diff options
| author | Massimiliano Culpo <massimiliano.culpo@gmail.com> | 2022-11-14 13:11:28 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-11-14 13:11:28 +0100 |
| commit | 3efa4ee26fac9c9a3cd3d6bf077faa20ccf229c6 (patch) | |
| tree | e72dcf67429f424332a3696d3be7e0ea8c166baf | |
| parent | f4c3d980647cd1fad8a9b179eef1461bfad77469 (diff) | |
| download | spack-3efa4ee26fac9c9a3cd3d6bf077faa20ccf229c6.tar.gz spack-3efa4ee26fac9c9a3cd3d6bf077faa20ccf229c6.tar.bz2 spack-3efa4ee26fac9c9a3cd3d6bf077faa20ccf229c6.tar.xz spack-3efa4ee26fac9c9a3cd3d6bf077faa20ccf229c6.zip | |
Remove support for running with Python 2.7 (#33063)
* Remove CI jobs related to Python 2.7
* Remove Python 2.7 specific code from Spack core
* Remove externals for Python 2 only
* Remove llnl.util.compat
65 files changed, 267 insertions, 4225 deletions
diff --git a/.github/workflows/bootstrap.yml b/.github/workflows/bootstrap.yml index df2b0f346e..70935c1d6f 100644 --- a/.github/workflows/bootstrap.yml +++ b/.github/workflows/bootstrap.yml @@ -214,7 +214,7 @@ jobs: - name: Bootstrap clingo run: | set -ex - for ver in '2.7' '3.6' '3.7' '3.8' '3.9' '3.10' ; do + for ver in '3.6' '3.7' '3.8' '3.9' '3.10' ; do not_found=1 ver_dir="$(find $RUNNER_TOOL_CACHE/Python -wholename "*/${ver}.*/*/bin" | grep . || true)" echo "Testing $ver_dir" diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml index 3b57bd9bb5..ef951f341b 100644 --- a/.github/workflows/ci.yaml +++ b/.github/workflows/ci.yaml @@ -20,12 +20,6 @@ jobs: uses: ./.github/workflows/valid-style.yml with: with_coverage: ${{ needs.changes.outputs.core }} - audit-ancient-python: - uses: ./.github/workflows/audit.yaml - needs: [ changes ] - with: - with_coverage: ${{ needs.changes.outputs.core }} - python_version: 2.7 all-prechecks: needs: [ prechecks ] runs-on: ubuntu-latest @@ -85,7 +79,7 @@ jobs: needs: [ prechecks ] uses: ./.github/workflows/windows_python.yml all: - needs: [ windows, unit-tests, bootstrap, audit-ancient-python ] + needs: [ windows, unit-tests, bootstrap ] runs-on: ubuntu-latest steps: - name: Success diff --git a/.github/workflows/unit_tests.yaml b/.github/workflows/unit_tests.yaml index 6a21d166f8..efb8949e23 100644 --- a/.github/workflows/unit_tests.yaml +++ b/.github/workflows/unit_tests.yaml @@ -14,14 +14,11 @@ jobs: runs-on: ubuntu-latest strategy: matrix: - python-version: ['2.7', '3.6', '3.7', '3.8', '3.9', '3.10', '3.11'] + python-version: ['3.6', '3.7', '3.8', '3.9', '3.10', '3.11'] concretizer: ['clingo'] on_develop: - ${{ github.ref == 'refs/heads/develop' }} include: - - python-version: 2.7 - concretizer: original - on_develop: ${{ github.ref == 'refs/heads/develop' }} - python-version: '3.11' concretizer: original on_develop: ${{ github.ref == 'refs/heads/develop' }} @@ -66,10 +63,6 @@ jobs: if python -c 'import sys; sys.exit(not sys.version_info >= (3, 6))'; then pip install --upgrade flake8 "isort>=4.3.5" "mypy>=0.900" "click==8.0.4" "black<=21.12b0" fi - - name: Pin pathlib for Python 2.7 - if: ${{ matrix.python-version == 2.7 }} - run: | - pip install -U pathlib2==2.3.6 toml - name: Setup git configuration run: | # Need this for the git tests to succeed. @@ -89,7 +82,7 @@ jobs: SPACK_TEST_SOLVER: ${{ matrix.concretizer }} SPACK_TEST_PARALLEL: 2 COVERAGE: true - UNIT_TEST_COVERAGE: ${{ (matrix.python-version == '3.11') }} + UNIT_TEST_COVERAGE: ${{ matrix.python-version == '3.11' }} run: | share/spack/qa/run-unit-tests - uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70 diff --git a/.github/workflows/valid-style.yml b/.github/workflows/valid-style.yml index a82c786b44..2d70406471 100644 --- a/.github/workflows/valid-style.yml +++ b/.github/workflows/valid-style.yml @@ -28,9 +28,9 @@ jobs: pip install --upgrade pip pip install --upgrade vermin - name: vermin (Spack's Core) - run: vermin --backport argparse --violations --backport typing -t=2.7- -t=3.6- -vvv lib/spack/spack/ lib/spack/llnl/ bin/ + run: vermin --backport importlib --backport argparse --violations --backport typing -t=3.6- -vvv lib/spack/spack/ lib/spack/llnl/ bin/ - name: vermin (Repositories) - run: vermin --backport argparse --violations --backport typing -t=2.7- -t=3.6- -vvv var/spack/repos + run: vermin --backport importlib --backport argparse --violations --backport typing -t=3.6- -vvv var/spack/repos # Run style checks on the files that have been changed style: runs-on: ubuntu-latest @@ -44,7 +44,7 @@ jobs: cache: 'pip' - name: Install Python packages run: | - python3 -m pip install --upgrade pip six setuptools types-six click==8.0.2 'black==21.12b0' mypy isort clingo flake8 + python3 -m pip install --upgrade pip six setuptools types-six black mypy isort clingo flake8 - name: Setup git configuration run: | # Need this for the git tests to succeed. @@ -31,13 +31,11 @@ import os import os.path import sys -min_python3 = (3, 5) +min_python3 = (3, 6) -if sys.version_info[:2] < (2, 7) or ( - sys.version_info[:2] >= (3, 0) and sys.version_info[:2] < min_python3 -): +if sys.version_info[:2] < min_python3: v_info = sys.version_info[:3] - msg = "Spack requires Python 2.7 or %d.%d or higher " % min_python3 + msg = "Spack requires Python %d.%d or higher " % min_python3 msg += "You are running spack with Python %d.%d.%d." % v_info sys.exit(msg) diff --git a/lib/spack/docs/conf.py b/lib/spack/docs/conf.py index 4fc321c72d..55848106de 100644 --- a/lib/spack/docs/conf.py +++ b/lib/spack/docs/conf.py @@ -37,12 +37,6 @@ if not os.path.exists(link_name): os.symlink(os.path.abspath("../../.."), link_name, target_is_directory=True) sys.path.insert(0, os.path.abspath("_spack_root/lib/spack/external")) sys.path.insert(0, os.path.abspath("_spack_root/lib/spack/external/pytest-fallback")) - -if sys.version_info[0] < 3: - sys.path.insert(0, os.path.abspath("_spack_root/lib/spack/external/yaml/lib")) -else: - sys.path.insert(0, os.path.abspath("_spack_root/lib/spack/external/yaml/lib3")) - sys.path.append(os.path.abspath("_spack_root/lib/spack/")) # Add the Spack bin directory to the path so that we can use its output in docs. @@ -160,8 +154,8 @@ source_encoding = "utf-8-sig" master_doc = "index" # General information about the project. -project = u"Spack" -copyright = u"2013-2021, Lawrence Livermore National Laboratory." +project = "Spack" +copyright = "2013-2021, Lawrence Livermore National Laboratory." # The version info for the project you're documenting, acts as replacement for # |version| and |release|, also used in various other places throughout the @@ -350,7 +344,7 @@ latex_elements = { # Grouping the document tree into LaTeX files. List of tuples # (source start file, target name, title, author, documentclass [howto/manual]). latex_documents = [ - ("index", "Spack.tex", u"Spack Documentation", u"Todd Gamblin", "manual"), + ("index", "Spack.tex", "Spack Documentation", "Todd Gamblin", "manual"), ] # The name of an image file (relative to this directory) to place at the top of @@ -378,7 +372,7 @@ latex_documents = [ # One entry per manual page. List of tuples # (source start file, name, description, authors, manual section). -man_pages = [("index", "spack", u"Spack Documentation", [u"Todd Gamblin"], 1)] +man_pages = [("index", "spack", "Spack Documentation", ["Todd Gamblin"], 1)] # If true, show URL addresses after external links. # man_show_urls = False @@ -393,8 +387,8 @@ texinfo_documents = [ ( "index", "Spack", - u"Spack Documentation", - u"Todd Gamblin", + "Spack Documentation", + "Todd Gamblin", "Spack", "One line description of project.", "Miscellaneous", diff --git a/lib/spack/external/py2/argparse.py b/lib/spack/external/py2/argparse.py deleted file mode 100644 index d2d232d51e..0000000000 --- a/lib/spack/external/py2/argparse.py +++ /dev/null @@ -1,2392 +0,0 @@ -# Author: Steven J. Bethard <steven.bethard@gmail.com>. -# Maintainer: Thomas Waldmann <tw@waldmann-edv.de> - -"""Command-line parsing library - -This module is an optparse-inspired command-line parsing library that: - - - handles both optional and positional arguments - - produces highly informative usage messages - - supports parsers that dispatch to sub-parsers - -The following is a simple usage example that sums integers from the -command-line and writes the result to a file:: - - parser = argparse.ArgumentParser( - description='sum the integers at the command line') - parser.add_argument( - 'integers', metavar='int', nargs='+', type=int, - help='an integer to be summed') - parser.add_argument( - '--log', default=sys.stdout, type=argparse.FileType('w'), - help='the file where the sum should be written') - args = parser.parse_args() - args.log.write('%s' % sum(args.integers)) - args.log.close() - -The module contains the following public classes: - - - ArgumentParser -- The main entry point for command-line parsing. As the - example above shows, the add_argument() method is used to populate - the parser with actions for optional and positional arguments. Then - the parse_args() method is invoked to convert the args at the - command-line into an object with attributes. - - - ArgumentError -- The exception raised by ArgumentParser objects when - there are errors with the parser's actions. Errors raised while - parsing the command-line are caught by ArgumentParser and emitted - as command-line messages. - - - FileType -- A factory for defining types of files to be created. As the - example above shows, instances of FileType are typically passed as - the type= argument of add_argument() calls. - - - Action -- The base class for parser actions. Typically actions are - selected by passing strings like 'store_true' or 'append_const' to - the action= argument of add_argument(). However, for greater - customization of ArgumentParser actions, subclasses of Action may - be defined and passed as the action= argument. - - - HelpFormatter, RawDescriptionHelpFormatter, RawTextHelpFormatter, - ArgumentDefaultsHelpFormatter -- Formatter classes which - may be passed as the formatter_class= argument to the - ArgumentParser constructor. HelpFormatter is the default, - RawDescriptionHelpFormatter and RawTextHelpFormatter tell the parser - not to change the formatting for help text, and - ArgumentDefaultsHelpFormatter adds information about argument defaults - to the help. - -All other classes in this module are considered implementation details. -(Also note that HelpFormatter and RawDescriptionHelpFormatter are only -considered public as object names -- the API of the formatter objects is -still considered an implementation detail.) -""" - -__version__ = '1.4.0' # we use our own version number independant of the - # one in stdlib and we release this on pypi. - -__external_lib__ = True # to make sure the tests really test THIS lib, - # not the builtin one in Python stdlib - -__all__ = [ - 'ArgumentParser', - 'ArgumentError', - 'ArgumentTypeError', - 'FileType', - 'HelpFormatter', - 'ArgumentDefaultsHelpFormatter', - 'RawDescriptionHelpFormatter', - 'RawTextHelpFormatter', - 'Namespace', - 'Action', - 'ONE_OR_MORE', - 'OPTIONAL', - 'PARSER', - 'REMAINDER', - 'SUPPRESS', - 'ZERO_OR_MORE', -] - - -import copy as _copy -import os as _os -import re as _re -import sys as _sys -import textwrap as _textwrap - -from llnl.util.tty.colify import colified - -from gettext import gettext as _ - -try: - set -except NameError: - # for python < 2.4 compatibility (sets module is there since 2.3): - from sets import Set as set - -try: - basestring -except NameError: - basestring = str - -try: - sorted -except NameError: - # for python < 2.4 compatibility: - def sorted(iterable, reverse=False): - result = list(iterable) - result.sort() - if reverse: - result.reverse() - return result - - -def _callable(obj): - return hasattr(obj, '__call__') or hasattr(obj, '__bases__') - - -SUPPRESS = '==SUPPRESS==' - -OPTIONAL = '?' -ZERO_OR_MORE = '*' -ONE_OR_MORE = '+' -PARSER = 'A...' -REMAINDER = '...' -_UNRECOGNIZED_ARGS_ATTR = '_unrecognized_args' - -# ============================= -# Utility functions and classes -# ============================= - -class _AttributeHolder(object): - """Abstract base class that provides __repr__. - - The __repr__ method returns a string in the format:: - ClassName(attr=name, attr=name, ...) - The attributes are determined either by a class-level attribute, - '_kwarg_names', or by inspecting the instance __dict__. - """ - - def __repr__(self): - type_name = type(self).__name__ - arg_strings = [] - for arg in self._get_args(): - arg_strings.append(repr(arg)) - for name, value in self._get_kwargs(): - arg_strings.append('%s=%r' % (name, value)) - return '%s(%s)' % (type_name, ', '.join(arg_strings)) - - def _get_kwargs(self): - return sorted(self.__dict__.items()) - - def _get_args(self): - return [] - - -def _ensure_value(namespace, name, value): - if getattr(namespace, name, None) is None: - setattr(namespace, name, value) - return getattr(namespace, name) - - -# =============== -# Formatting Help -# =============== - -class HelpFormatter(object): - """Formatter for generating usage messages and argument help strings. - - Only the name of this class is considered a public API. All the methods - provided by the class are considered an implementation detail. - """ - - def __init__(self, - prog, - indent_increment=2, - max_help_position=24, - width=None): - - # default setting for width - if width is None: - try: - width = int(_os.environ['COLUMNS']) - except (KeyError, ValueError): - width = 80 - width -= 2 - - self._prog = prog - self._indent_increment = indent_increment - self._max_help_position = max_help_position - self._width = width - - self._current_indent = 0 - self._level = 0 - self._action_max_length = 0 - - self._root_section = self._Section(self, None) - self._current_section = self._root_section - - self._whitespace_matcher = _re.compile(r'\s+') - self._long_break_matcher = _re.compile(r'\n\n\n+') - - # =============================== - # Section and indentation methods - # =============================== - def _indent(self): - self._current_indent += self._indent_increment - self._level += 1 - - def _dedent(self): - self._current_indent -= self._indent_increment - assert self._current_indent >= 0, 'Indent decreased below 0.' - self._level -= 1 - - class _Section(object): - - def __init__(self, formatter, parent, heading=None): - self.formatter = formatter - self.parent = parent - self.heading = heading - self.items = [] - - def format_help(self): - # format the indented section - if self.parent is not None: - self.formatter._indent() - join = self.formatter._join_parts - for func, args in self.items: - func(*args) - item_help = join([func(*args) for func, args in self.items]) - if self.parent is not None: - self.formatter._dedent() - - # return nothing if the section was empty - if not item_help: - return '' - - # add the heading if the section was non-empty - if self.heading is not SUPPRESS and self.heading is not None: - current_indent = self.formatter._current_indent - heading = '%*s%s:\n' % (current_indent, '', self.heading) - else: - heading = '' - - # join the section-initial newline, the heading and the help - return join(['\n', heading, item_help, '\n']) - - def _add_item(self, func, args): - self._current_section.items.append((func, args)) - - # ======================== - # Message building methods - # ======================== - def start_section(self, heading): - self._indent() - section = self._Section(self, self._current_section, heading) - self._add_item(section.format_help, []) - self._current_section = section - - def end_section(self): - self._current_section = self._current_section.parent - self._dedent() - - def add_text(self, text): - if text is not SUPPRESS and text is not None: - self._add_item(self._format_text, [text]) - - def add_usage(self, usage, actions, groups, prefix=None): - if usage is not SUPPRESS: - args = usage, actions, groups, prefix - self._add_item(self._format_usage, args) - - def add_argument(self, action): - if action.help is not SUPPRESS: - - # find all invocations - get_invocation = self._format_action_invocation - invocations = [get_invocation(action)] - for subaction in self._iter_indented_subactions(action): - invocations.append(get_invocation(subaction)) - - # update the maximum item length - invocation_length = max([len(s) for s in invocations]) - action_length = invocation_length + self._current_indent - self._action_max_length = max(self._action_max_length, - action_length) - - # add the item to the list - self._add_item(self._format_action, [action]) - - def add_arguments(self, actions): - for action in actions: - self.add_argument(action) - - # ======================= - # Help-formatting methods - # ======================= - def format_help(self): - help = self._root_section.format_help() - if help: - help = self._long_break_matcher.sub('\n\n', help) - help = help.strip('\n') + '\n' - return help - - def _join_parts(self, part_strings): - return ''.join([part - for part in part_strings - if part and part is not SUPPRESS]) - - def _format_usage(self, usage, actions, groups, prefix): - if prefix is None: - prefix = _('usage: ') - - # if usage is specified, use that - if usage is not None: - usage = usage % dict(prog=self._prog) - - # if no optionals or positionals are available, usage is just prog - elif usage is None and not actions: - usage = '%(prog)s' % dict(prog=self._prog) - - # if optionals and positionals are available, calculate usage - elif usage is None: - prog = '%(prog)s' % dict(prog=self._prog) - - # split optionals from positionals - optionals = [] - positionals = [] - for action in actions: - if action.option_strings: - optionals.append(action) - else: - positionals.append(action) - - # build full usage string - format = self._format_actions_usage - action_usage = format(optionals + positionals, groups) - usage = ' '.join([s for s in [prog, action_usage] if s]) - - # wrap the usage parts if it's too long - text_width = self._width - self._current_indent - if len(prefix) + len(usage) > text_width: - - # break usage into wrappable parts - part_regexp = r'\(.*?\)+|\[.*?\]+|\S+' - opt_usage = format(optionals, groups) - pos_usage = format(positionals, groups) - opt_parts = _re.findall(part_regexp, opt_usage) - pos_parts = _re.findall(part_regexp, pos_usage) - - # helper for wrapping lines - def get_lines(parts, indent, prefix=None): - lines = [] - line = [] - if prefix is not None: - line_len = len(prefix) - 1 - else: - line_len = len(indent) - 1 - for part in parts: - if line_len + 1 + len(part) > text_width: - lines.append(indent + ' '.join(line)) - line = [] - line_len = len(indent) - 1 - line.append(part) - line_len += len(part) + 1 - if line: - lines.append(indent + ' '.join(line)) - if prefix is not None: - lines[0] = lines[0][len(indent):] - return lines - - # if prog is short, follow it with optionals or positionals - if len(prefix) + len(prog) <= 0.75 * text_width: - indent = ' ' * (len(prefix) + len(prog) + 1) - if opt_parts: - lines = get_lines([prog] + opt_parts, indent, prefix) - lines.extend(get_lines(pos_parts, indent)) - elif pos_parts: - lines = get_lines([prog] + pos_parts, indent, prefix) - else: - lines = [prog] - - # if prog is long, put it on its own line - else: - indent = ' ' * len(prefix) - parts = opt_parts + pos_parts - lines = get_lines(parts, indent) - if len(lines) > 1: - lines = [] - lines.extend(get_lines(opt_parts, indent)) - lines.extend(get_lines(pos_parts, indent)) - lines = [prog] + lines - - # join lines into usage - usage = '\n'.join(lines) - - # prefix with 'usage:' - return '%s%s\n\n' % (prefix, usage) - - def _format_actions_usage(self, actions, groups): - # find group indices and identify actions in groups - group_actions = set() - inserts = {} - for group in groups: - try: - start = actions.index(group._group_actions[0]) - except ValueError: - continue - else: - end = start + len(group._group_actions) - if actions[start:end] == group._group_actions: - for action in group._group_actions: - group_actions.add(action) - if not group.required: - if start in inserts: - inserts[start] += ' [' - else: - inserts[start] = '[' - inserts[end] = ']' - else: - if start in inserts: - inserts[start] += ' (' - else: - inserts[start] = '(' - inserts[end] = ')' - for i in range(start + 1, end): - inserts[i] = '|' - - # collect all actions format strings - parts = [] - for i, action in enumerate(actions): - - # suppressed arguments are marked with None - # remove | separators for suppressed arguments - if action.help is SUPPRESS: - parts.append(None) - if inserts.get(i) == '|': - inserts.pop(i) - elif inserts.get(i + 1) == '|': - inserts.pop(i + 1) - - # produce all arg strings - elif not action.option_strings: - part = self._format_args(action, action.dest) - - # if it's in a group, strip the outer [] - if action in group_actions: - if part[0] == '[' and part[-1] == ']': - part = part[1:-1] - - # add the action string to the list - parts.append(part) - - # produce the first way to invoke the option in brackets - else: - option_string = action.option_strings[0] - - # if the Optional doesn't take a value, format is: - # -s or --long - if action.nargs == 0: - part = '%s' % option_string - - # if the Optional takes a value, format is: - # -s ARGS or --long ARGS - else: - default = action.dest.upper() - args_string = self._format_args(action, default) - part = '%s %s' % (option_string, args_string) - - # make it look optional if it's not required or in a group - if not action.required and action not in group_actions: - part = '[%s]' % part - - # add the action string to the list - parts.append(part) - - # insert things at the necessary indices - for i in sorted(inserts, reverse=True): - parts[i:i] = [inserts[i]] - - # join all the action items with spaces - text = ' '.join([item for item in parts if item is not None]) - - # clean up separators for mutually exclusive groups - open = r'[\[(]' - close = r'[\])]' - text = _re.sub(r'(%s) ' % open, r'\1', text) - text = _re.sub(r' (%s)' % close, r'\1', text) - text = _re.sub(r'%s *%s' % (open, close), r'', text) - text = _re.sub(r'\(([^|]*)\)', r'\1', text) - text = text.strip() - - # return the text - return text - - def _format_text(self, text): - if '%(prog)' in text: - text = text % dict(prog=self._prog) - text_width = self._width - self._current_indent - indent = ' ' * self._current_indent - return self._fill_text(text, text_width, indent) + '\n\n' - - def _format_action(self, action): - # determine the required width and the entry label - help_position = min(self._action_max_length + 2, - self._max_help_position) - help_width = self._width - help_position - action_width = help_position - self._current_indent - 2 - action_header = self._format_action_invocation(action) - - # ho nelp; start on same line and add a final newline - if not action.help: - tup = self._current_indent, '', action_header - action_header = '%*s%s\n' % tup - - # short action name; start on the same line and pad two spaces - elif len(action_header) <= action_width: - tup = self._current_indent, '', action_width, action_header - action_header = '%*s%-*s ' % tup - indent_first = 0 - - # long action name; start on the next line - else: - tup = self._current_indent, '', action_header - action_header = '%*s%s\n' % tup - indent_first = help_position - - # collect the pieces of the action help - parts = [action_header] - - # if there was help for the action, add lines of help text - if action.help: - help_text = self._expand_help(action) - help_lines = self._split_lines(help_text, help_width) - parts.append('%*s%s\n' % (indent_first, '', help_lines[0])) - for line in help_lines[1:]: - parts.append('%*s%s\n' % (help_position, '', line)) - - # or add a newline if the description doesn't end with one - elif not action_header.endswith('\n'): - parts.append('\n') - - # if there are any sub-actions, add their help as well - for subaction in self._iter_indented_subactions(action): - parts.append(self._format_action(subaction)) - - # return a single string - return self._join_parts(parts) - - def _format_action_invocation(self, action): - if not action.option_strings: - metavar, = self._metavar_formatter(action, action.dest)(1) - return metavar - - else: - parts = [] - - # if the Optional doesn't take a value, format is: - # -s, --long - if action.nargs == 0: - parts.extend(action.option_strings) - - # if the Optional takes a value, format is: - # -s ARGS, --long ARGS - else: - default = action.dest.upper() - args_string = self._format_args(action, default) - for option_string in action.option_strings: - parts.append('%s %s' % (option_string, args_string)) - - return ', '.join(parts) - - def _metavar_formatter(self, action, default_metavar): - if action.metavar is not None: - result = action.metavar - elif action.choices is not None: - choice_strs = [str(choice) for choice in action.choices] - result = '{%s}' % ','.join(choice_strs) - else: - result = default_metavar - - def format(tuple_size): - if isinstance(result, tuple): - return result - else: - return (result, ) * tuple_size - return format - - def _format_args(self, action, default_metavar): - get_metavar = self._metavar_formatter(action, default_metavar) - if action.nargs is None: - result = '%s' % get_metavar(1) - elif action.nargs == OPTIONAL: - result = '[%s]' % get_metavar(1) - elif action.nargs == ZERO_OR_MORE: - result = '[%s [%s ...]]' % get_metavar(2) - elif action.nargs == ONE_OR_MORE: - result = '%s [%s ...]' % get_metavar(2) - elif action.nargs == REMAINDER: - result = '...' - elif action.nargs == PARSER: - result = '%s ...' % get_metavar(1) - else: - formats = ['%s' for _ in range(action.nargs)] - result = ' '.join(formats) % get_metavar(action.nargs) - return result - - def _expand_help(self, action): - params = dict(vars(action), prog=self._prog) - for name in list(params): - if params[name] is SUPPRESS: - del params[name] - for name in list(params): - if hasattr(params[name], '__name__'): - params[name] = params[name].__name__ - if params.get('choices') is not None: - choices_str = ', '.join([str(c) for c in params['choices']]) - params['choices'] = choices_str - return self._get_help_string(action) % params - - def _iter_indented_subactions(self, action): - try: - get_subactions = action._get_subactions - except AttributeError: - pass - else: - self._indent() - for subaction in get_subactions(): - yield subaction - self._dedent() - - def _split_lines(self, text, width): - text = self._whitespace_matcher.sub(' ', text).strip() - return _textwrap.wrap(text, width) - - def _fill_text(self, text, width, indent): - text = self._whitespace_matcher.sub(' ', text).strip() - return _textwrap.fill(text, width, initial_indent=indent, - subsequent_indent=indent) - - def _get_help_string(self, action): - return action.help - - -class RawDescriptionHelpFormatter(HelpFormatter): - """Help message formatter which retains any formatting in descriptions. - - Only the name of this class is considered a public API. All the methods - provided by the class are considered an implementation detail. - """ - - def _fill_text(self, text, width, indent): - return ''.join([indent + line for line in text.splitlines(True)]) - - -class RawTextHelpFormatter(RawDescriptionHelpFormatter): - """Help message formatter which retains formatting of all help text. - - Only the name of this class is considered a public API. All the methods - provided by the class are considered an implementation detail. - """ - - def _split_lines(self, text, width): - return text.splitlines() - - -class ArgumentDefaultsHelpFormatter(HelpFormatter): - """Help message formatter which adds default values to argument help. - - Only the name of this class is considered a public API. All the methods - provided by the class are considered an implementation detail. - """ - - def _get_help_string(self, action): - help = action.help - if '%(default)' not in action.help: - if action.default is not SUPPRESS: - defaulting_nargs = [OPTIONAL, ZERO_OR_MORE] - if action.option_strings or action.nargs in defaulting_nargs: - help += ' (default: %(default)s)' - return help - - -# ===================== -# Options and Arguments -# ===================== - -def _get_action_name(argument): - if argument is None: - return None - elif argument.option_strings: - return '/'.join(argument.option_strings) - elif argument.metavar not in (None, SUPPRESS): - return argument.metavar - elif argument.dest not in (None, SUPPRESS): - return argument.dest - else: - return None - - -class ArgumentError(Exception): - """An error from creating or using an argument (optional or positional). - - The string value of this exception is the message, augmented with - information about the argument that caused it. - """ - - def __init__(self, argument, message): - self.argument_name = _get_action_name(argument) - self.message = message - - def __str__(self): - if self.argument_name is None: - format = '%(message)s' - else: - format = 'argument %(argument_name)s: %(message)s' - return format % dict(message=self.message, - argument_name=self.argument_name) - - -class ArgumentTypeError(Exception): - """An error from trying to convert a command line string to a type.""" - pass - - -# ============== -# Action classes -# ============== - -class Action(_AttributeHolder): - """Information about how to convert command line strings to Python objects. - - Action objects are used by an ArgumentParser to represent the information - needed to parse a single argument from one or more strings from the - command line. The keyword arguments to the Action constructor are also - all attributes of Action instances. - - Keyword Arguments: - - - option_strings -- A list of command-line option strings which - should be associated with this action. - - - dest -- The name of the attribute to hold the created object(s) - - - nargs -- The number of command-line arguments that should be - consumed. By default, one argument will be consumed and a single - value will be produced. Other values include: - - N (an integer) consumes N arguments (and produces a list) - - '?' consumes zero or one arguments - - '*' consumes zero or more arguments (and produces a list) - - '+' consumes one or more arguments (and produces a list) - Note that the difference between the default and nargs=1 is that - with the default, a single value will be produced, while with - nargs=1, a list containing a single value will be produced. - - - const -- The value to be produced if the option is specified and the - option uses an action that takes no values. - - - default -- The value to be produced if the option is not specified. - - - type -- The type which the command-line arguments should be converted - to, should be one of 'string', 'int', 'float', 'complex' or a - callable object that accepts a single string argument. If None, - 'string' is assumed. - - - choices -- A container of values that should be allowed. If not None, - after a command-line argument has been converted to the appropriate - type, an exception will be raised if it is not a member of this - collection. - - - required -- True if the action must always be specified at the - command line. This is only meaningful for optional command-line - arguments. - - - help -- The help string describing the argument. - - - metavar -- The name to be used for the option's argument with the - help string. If None, the 'dest' value will be used as the name. - """ - - def __init__(self, - option_strings, - dest, - nargs=None, - const=None, - default=None, - type=None, - choices=None, - required=False, - help=None, - metavar=None): - self.option_strings = option_strings - self.dest = dest - self.nargs = nargs - self.const = const - self.default = default - self.type = type - self.choices = choices - self.required = required - self.help = help - self.metavar = metavar - - def _get_kwargs(self): - names = [ - 'option_strings', - 'dest', - 'nargs', - 'const', - 'default', - 'type', - 'choices', - 'help', - 'metavar', - ] - return [(name, getattr(self, name)) for name in names] - - def __call__(self, parser, namespace, values, option_string=None): - raise NotImplementedError(_('.__call__() not defined')) - - -class _StoreAction(Action): - - def __init__(self, - option_strings, - dest, - nargs=None, - const=None, - default=None, - type=None, - choices=None, - required=False, - help=None, - metavar=None): - if nargs == 0: - raise ValueError('nargs for store actions must be > 0; if you ' - 'have nothing to store, actions such as store ' - 'true or store const may be more appropriate') - if const is not None and nargs != OPTIONAL: - raise ValueError('nargs must be %r to supply const' % OPTIONAL) - super(_StoreAction, self).__init__( - option_strings=option_strings, - dest=dest, - nargs=nargs, - const=const, - default=default, - type=type, - choices=choices, - required=required, - help=help, - metavar=metavar) - - def __call__(self, parser, namespace, values, option_string=None): - setattr(namespace, self.dest, values) - - -class _StoreConstAction(Action): - - def __init__(self, - option_strings, - dest, - const, - default=None, - required=False, - help=None, - metavar=None): - super(_StoreConstAction, self).__init__( - option_strings=option_strings, - dest=dest, - nargs=0, - const=const, - default=default, - required=required, - help=help) - - def __call__(self, parser, namespace, values, option_string=None): - setattr(namespace, self.dest, self.const) - - -class _StoreTrueAction(_StoreConstAction): - - def __init__(self, - option_strings, - dest, - default=False, - required=False, - help=None): - super(_StoreTrueAction, self).__init__( - option_strings=option_strings, - dest=dest, - const=True, - default=default, - required=required, - help=help) - - -class _StoreFalseAction(_StoreConstAction): - - def __init__(self, - option_strings, - dest, - default=True, - required=False, - help=None): - super(_StoreFalseAction, self).__init__( - option_strings=option_strings, - dest=dest, - const=False, - default=default, - required=required, - help=help) - - -class _AppendAction(Action): - - def __init__(self, - option_strings, - dest, - nargs=None, - const=None, - default=None, - type=None, - choices=None, - required=False, - help=None, - metavar=None): - if nargs == 0: - raise ValueError('nargs for append actions must be > 0; if arg ' - 'strings are not supplying the value to append, ' - 'the append const action may be more appropriate') - if const is not None and nargs != OPTIONAL: - raise ValueError('nargs must be %r to supply const' % OPTIONAL) - super(_AppendAction, self).__init__( - option_strings=option_strings, - dest=dest, - nargs=nargs, - const=const, - default=default, - type=type, - choices=choices, - required=required, - help=help, - metavar=metavar) - - def __call__(self, parser, namespace, values, option_string=None): - items = _copy.copy(_ensure_value(namespace, self.dest, [])) - items.append(values) - setattr(namespace, self.dest, items) - - -class _AppendConstAction(Action): - - def __init__(self, - option_strings, - dest, - const, - default=None, - required=False, - help=None, - metavar=None): - super(_AppendConstAction, self).__init__( - option_strings=option_strings, - dest=dest, - nargs=0, - const=const, - default=default, - required=required, - help=help, - metavar=metavar) - - def __call__(self, parser, namespace, values, option_string=None): - items = _copy.copy(_ensure_value(namespace, self.dest, [])) - items.append(self.const) - setattr(namespace, self.dest, items) - - -class _CountAction(Action): - - def __init__(self, - option_strings, - dest, - default=None, - required=False, - help=None): - super(_CountAction, self).__init__( - option_strings=option_strings, - dest=dest, - nargs=0, - default=default, - required=required, - help=help) - - def __call__(self, parser, namespace, values, option_string=None): - new_count = _ensure_value(namespace, self.dest, 0) + 1 - setattr(namespace, self.dest, new_count) - - -class _HelpAction(Action): - - def __init__(self, - option_strings, - dest=SUPPRESS, - default=SUPPRESS, - help=None): - super(_HelpAction, self).__init__( - option_strings=option_strings, - dest=dest, - default=default, - nargs=0, - help=help) - - def __call__(self, parser, namespace, values, option_string=None): - parser.print_help() - parser.exit() - - -class _VersionAction(Action): - - def __init__(self, - option_strings, - version=None, - dest=SUPPRESS, - default=SUPPRESS, - help="show program's version number and exit"): - super(_VersionAction, self).__init__( - option_strings=option_strings, - dest=dest, - default=default, - nargs=0, - help=help) - self.version = version - - def __call__(self, parser, namespace, values, option_string=None): - version = self.version - if version is None: - version = parser.version - formatter = parser._get_formatter() - formatter.add_text(version) - parser.exit(message=formatter.format_help()) - - -class _SubParsersAction(Action): - - class _ChoicesPseudoAction(Action): - - def __init__(self, name, aliases, help): - metavar = dest = name - if aliases: - metavar += ' (%s)' % ', '.join(aliases) - sup = super(_SubParsersAction._ChoicesPseudoAction, self) - sup.__init__(option_strings=[], dest=dest, help=help, - metavar=metavar) - - def __init__(self, - option_strings, - prog, - parser_class, - dest=SUPPRESS, - help=None, - metavar=None): - - self._prog_prefix = prog - self._parser_class = parser_class - self._name_parser_map = {} - self._choices_actions = [] - - super(_SubParsersAction, self).__init__( - option_strings=option_strings, - dest=dest, - nargs=PARSER, - choices=self._name_parser_map, - help=help, - metavar=metavar) - - def add_parser(self, name, **kwargs): - # set prog from the existing prefix - if kwargs.get('prog') is None: - kwargs['prog'] = '%s %s' % (self._prog_prefix, name) - - aliases = kwargs.pop('aliases', ()) - - # create a pseudo-action to hold the choice help - if 'help' in kwargs: - help = kwargs.pop('help') - choice_action = self._ChoicesPseudoAction(name, aliases, help) - self._choices_actions.append(choice_action) - - # create the parser and add it to the map - parser = self._parser_class(**kwargs) - self._name_parser_map[name] = parser - - # make parser available under aliases also - for alias in aliases: - self._name_parser_map[alias] = parser - - return parser - - def _get_subactions(self): - return self._choices_actions - - def __call__(self, parser, namespace, values, option_string=None): - parser_name = values[0] - arg_strings = values[1:] - - # set the parser name if requested - if self.dest is not SUPPRESS: - setattr(namespace, self.dest, parser_name) - - # select the parser - try: - parser = self._name_parser_map[parser_name] - except KeyError: - tup = parser_name, ', '.join(self._name_parser_map) - msg = _('unknown parser %r (choices: %s)' % tup) - raise ArgumentError(self, msg) - - # parse all the remaining options into the namespace - # store any unrecognized options on the object, so that the top - # level parser can decide what to do with them - namespace, arg_strings = parser.parse_known_args(arg_strings, namespace) - if arg_strings: - vars(namespace).setdefault(_UNRECOGNIZED_ARGS_ATTR, []) - getattr(namespace, _UNRECOGNIZED_ARGS_ATTR).extend(arg_strings) - - -# ============== -# Type classes -# ============== - -class FileType(object): - """Factory for creating file object types - - Instances of FileType are typically passed as type= arguments to the - ArgumentParser add_argument() method. - - Keyword Arguments: - - mode -- A string indicating how the file is to be opened. Accepts the - same values as the builtin open() function. - - bufsize -- The file's desired buffer size. Accepts the same values as - the builtin open() function. - """ - - def __init__(self, mode='r', bufsize=None): - self._mode = mode - self._bufsize = bufsize - - def __call__(self, string): - # the special argument "-" means sys.std{in,out} - if string == '-': - if 'r' in self._mode: - return _sys.stdin - elif 'w' in self._mode: - return _sys.stdout - else: - msg = _('argument "-" with mode %r' % self._mode) - raise ValueError(msg) - - try: - # all other arguments are used as file names - if self._bufsize: - return open(string, self._mode, self._bufsize) - else: - return open(string, self._mode) - except IOError: - err = _sys.exc_info()[1] - message = _("can't open '%s': %s") - raise ArgumentTypeError(message % (string, err)) - - def __repr__(self): - args = [self._mode, self._bufsize] - args_str = ', '.join([repr(arg) for arg in args if arg is not None]) - return '%s(%s)' % (type(self).__name__, args_str) - -# =========================== -# Optional and Positional Parsing -# =========================== - -class Namespace(_AttributeHolder): - """Simple object for storing attributes. - - Implements equality by attribute names and values, and provides a simple - string representation. - """ - - def __init__(self, **kwargs): - for name in kwargs: - setattr(self, name, kwargs[name]) - - __hash__ = None - - def __eq__(self, other): - return vars(self) == vars(other) - - def __ne__(self, other): - return not (self == other) - - def __contains__(self, key): - return key in self.__dict__ - - -class _ActionsContainer(object): - - def __init__(self, - description, - prefix_chars, - argument_default, - conflict_handler): - super(_ActionsContainer, self).__init__() - - self.description = description - self.argument_default = argument_default - self.prefix_chars = prefix_chars - self.conflict_handler = conflict_handler - - # set up registries - self._registries = {} - - # register actions - self.register('action', None, _StoreAction) - self.register('action', 'store', _StoreAction) - self.register('action', 'store_const', _StoreConstAction) - self.register('action', 'store_true', _StoreTrueAction) - self.register('action', 'store_false', _StoreFalseAction) - self.register('action', 'append', _AppendAction) - self.register('action', 'append_const', _AppendConstAction) - self.register('action', 'count', _CountAction) - self.register('action', 'help', _HelpAction) - self.register('action', 'version', _VersionAction) - self.register('action', 'parsers', _SubParsersAction) - - # raise an exception if the conflict handler is invalid - self._get_handler() - - # action storage - self._actions = [] - self._option_string_actions = {} - - # groups - self._action_groups = [] - self._mutually_exclusive_groups = [] - - # defaults storage - self._defaults = {} - - # determines whether an "option" looks like a negative number - self._negative_number_matcher = _re.compile(r'^-\d+$|^-\d*\.\d+$') - - # whether or not there are any optionals that look like negative - # numbers -- uses a list so it can be shared and edited - self._has_negative_number_optionals = [] - - # ==================== - # Registration methods - # ==================== - def register(self, registry_name, value, object): - registry = self._registries.setdefault(registry_name, {}) - registry[value] = object - - def _registry_get(self, registry_name, value, default=None): - return self._registries[registry_name].get(value, default) - - # ================================== - # Namespace default accessor methods - # ================================== - def set_defaults(self, **kwargs): - self._defaults.update(kwargs) - - # if these defaults match any existing arguments, replace - # the previous default on the object with the new one - for action in self._actions: - if action.dest in kwargs: - action.default = kwargs[action.dest] - - def get_default(self, dest): - for action in self._actions: - if action.dest == dest and action.default is not None: - return action.default - return self._defaults.get(dest, None) - - - # ======================= - # Adding argument actions - # ======================= - def add_argument(self, *args, **kwargs): - """ - add_argument(dest, ..., name=value, ...) - add_argument(option_string, option_string, ..., name=value, ...) - """ - - # if no positional args are supplied or only one is supplied and - # it doesn't look like an option string, parse a positional - # argument - chars = self.prefix_chars - if not args or len(args) == 1 and args[0][0] not in chars: - if args and 'dest' in kwargs: - raise ValueError('dest supplied twice for positional argument') - kwargs = self._get_positional_kwargs(*args, **kwargs) - - # otherwise, we're adding an optional argument - else: - kwargs = self._get_optional_kwargs(*args, **kwargs) - - # if no default was supplied, use the parser-level default - if 'default' not in kwargs: - dest = kwargs['dest'] - if dest in self._defaults: - kwargs['default'] = self._defaults[dest] - elif self.argument_default is not None: - kwargs['default'] = self.argument_default - - # create the action object, and add it to the parser - action_class = self._pop_action_class(kwargs) - if not _callable(action_class): - raise ValueError('unknown action "%s"' % action_class) - action = action_class(**kwargs) - - # raise an error if the action type is not callable - type_func = self._registry_get('type', action.type, action.type) - if not _callable(type_func): - raise ValueError('%r is not callable' % type_func) - - return self._add_action(action) - - def add_argument_group(self, *args, **kwargs): - group = _ArgumentGroup(self, *args, **kwargs) - self._action_groups.append(group) - return group - - def add_mutually_exclusive_group(self, **kwargs): - group = _MutuallyExclusiveGroup(self, **kwargs) - self._mutually_exclusive_groups.append(group) - return group - - def _add_action(self, action): - # resolve any conflicts - self._check_conflict(action) - - # add to actions list - self._actions.append(action) - action.container = self - - # index the action by any option strings it has - for option_string in action.option_strings: - self._option_string_actions[option_string] = action - - # set the flag if any option strings look like negative numbers - for option_string in action.option_strings: - if self._negative_number_matcher.match(option_string): - if not self._has_negative_number_optionals: - self._has_negative_number_optionals.append(True) - - # return the created action - return action - - def _remove_action(self, action): - self._actions.remove(action) - - def _add_container_actions(self, container): - # collect groups by titles - title_group_map = {} - for group in self._action_groups: - if group.title in title_group_map: - msg = _('cannot merge actions - two groups are named %r') - raise ValueError(msg % (group.title)) - title_group_map[group.title] = group - - # map each action to its group - group_map = {} - for group in container._action_groups: - - # if a group with the title exists, use that, otherwise - # create a new group matching the container's group - if group.title not in title_group_map: - title_group_map[group.title] = self.add_argument_group( - title=group.title, - description=group.description, - conflict_handler=group.conflict_handler) - - # map the actions to their new group - for action in group._group_actions: - group_map[action] = title_group_map[group.title] - - # add container's mutually exclusive groups - # NOTE: if add_mutually_exclusive_group ever gains title= and - # description= then this code will need to be expanded as above - for group in container._mutually_exclusive_groups: - mutex_group = self.add_mutually_exclusive_group( - required=group.required) - - # map the actions to their new mutex group - for action in group._group_actions: - group_map[action] = mutex_group - - # add all actions to this container or their group - for action in container._actions: - group_map.get(action, self)._add_action(action) - - def _get_positional_kwargs(self, dest, **kwargs): - # make sure required is not specified - if 'required' in kwargs: - msg = _("'required' is an invalid argument for positionals") - raise TypeError(msg) - - # mark positional arguments as required if at least one is - # always required - if kwargs.get('nargs') not in [OPTIONAL, ZERO_OR_MORE]: - kwargs['required'] = True - if kwargs.get('nargs') == ZERO_OR_MORE and 'default' not in kwargs: - kwargs['required'] = True - - # return the keyword arguments with no option strings - return dict(kwargs, dest=dest, option_strings=[]) - - def _get_optional_kwargs(self, *args, **kwargs): - # determine short and long option strings - option_strings = [] - long_option_strings = [] - for option_string in args: - # error on strings that don't start with an appropriate prefix - if not option_string[0] in self.prefix_chars: - msg = _('invalid option string %r: ' - 'must start with a character %r') - tup = option_string, self.prefix_chars - raise ValueError(msg % tup) - - # strings starting with two prefix characters are long options - option_strings.append(option_string) - if option_string[0] in self.prefix_chars: - if len(option_string) > 1: - if option_string[1] in self.prefix_chars: - long_option_strings.append(option_string) - - # infer destination, '--foo-bar' -> 'foo_bar' and '-x' -> 'x' - dest = kwargs.pop('dest', None) - if dest is None: - if long_option_strings: - dest_option_string = long_option_strings[0] - else: - dest_option_string = option_strings[0] - dest = dest_option_string.lstrip(self.prefix_chars) - if not dest: - msg = _('dest= is required for options like %r') - raise ValueError(msg % option_string) - dest = dest.replace('-', '_') - - # return the updated keyword arguments - return dict(kwargs, dest=dest, option_strings=option_strings) - - def _pop_action_class(self, kwargs, default=None): - action = kwargs.pop('action', default) - return self._registry_get('action', action, action) - - def _get_handler(self): - # determine function from conflict handler string - handler_func_name = '_handle_conflict_%s' % self.conflict_handler - try: - return getattr(self, handler_func_name) - except AttributeError: - msg = _('invalid conflict_resolution value: %r') - raise ValueError(msg % self.conflict_handler) - - def _check_conflict(self, action): - - # find all options that conflict with this option - confl_optionals = [] - for option_string in action.option_strings: - if option_string in self._option_string_actions: - confl_optional = self._option_string_actions[option_string] - confl_optionals.append((option_string, confl_optional)) - - # resolve any conflicts - if confl_optionals: - conflict_handler = self._get_handler() - conflict_handler(action, confl_optionals) - - def _handle_conflict_error(self, action, conflicting_actions): - message = _('conflicting option string(s): %s') - conflict_string = ', '.join([option_string - for option_string, action - in conflicting_actions]) - raise ArgumentError(action, message % conflict_string) - - def _handle_conflict_resolve(self, action, conflicting_actions): - - # remove all conflicting options - for option_string, action in conflicting_actions: - - # remove the conflicting option - action.option_strings.remove(option_string) - self._option_string_actions.pop(option_string, None) - - # if the option now has no option string, remove it from the - # container holding it - if not action.option_strings: - action.container._remove_action(action) - - -class _ArgumentGroup(_ActionsContainer): - - def __init__(self, container, title=None, description=None, **kwargs): - # add any missing keyword arguments by checking the container - update = kwargs.setdefault - update('conflict_handler', container.conflict_handler) - update('prefix_chars', container.prefix_chars) - update('argument_default', container.argument_default) - super_init = super(_ArgumentGroup, self).__init__ - super_init(description=description, **kwargs) - - # group attributes - self.title = title - self._group_actions = [] - - # share most attributes with the container - self._registries = container._registries - self._actions = container._actions - self._option_string_actions = container._option_string_actions - self._defaults = container._defaults - self._has_negative_number_optionals = \ - container._has_negative_number_optionals - - def _add_action(self, action): - action = super(_ArgumentGroup, self)._add_action(action) - self._group_actions.append(action) - return action - - def _remove_action(self, action): - super(_ArgumentGroup, self)._remove_action(action) - self._group_actions.remove(action) - - -class _MutuallyExclusiveGroup(_ArgumentGroup): - - def __init__(self, container, required=False): - super(_MutuallyExclusiveGroup, self).__init__(container) - self.required = required - self._container = container - - def _add_action(self, action): - if action.required: - msg = _('mutually exclusive arguments must be optional') - raise ValueError(msg) - action = self._container._add_action(action) - self._group_actions.append(action) - return action - - def _remove_action(self, action): - self._container._remove_action(action) - self._group_actions.remove(action) - - -class ArgumentParser(_AttributeHolder, _ActionsContainer): - """Object for parsing command line strings into Python objects. - - Keyword Arguments: - - prog -- The name of the program (default: sys.argv[0]) - - usage -- A usage message (default: auto-generated from arguments) - - description -- A description of what the program does - - epilog -- Text following the argument descriptions - - parents -- Parsers whose arguments should be copied into this one - - formatter_class -- HelpFormatter class for printing help messages - - prefix_chars -- Characters that prefix optional arguments - - fromfile_prefix_chars -- Characters that prefix files containing - additional arguments - - argument_default -- The default value for all arguments - - conflict_handler -- String indicating how to handle conflicts - - add_help -- Add a -h/-help option - """ - - def __init__(self, - prog=None, - usage=None, - description=None, - epilog=None, - version=None, - parents=[], - formatter_class=HelpFormatter, - prefix_chars='-', - fromfile_prefix_chars=None, - argument_default=None, - conflict_handler='error', - add_help=True): - - if version is not None: - import warnings - warnings.warn( - """The "version" argument to ArgumentParser is deprecated. """ - """Please use """ - """"add_argument(..., action='version', version="N", ...)" """ - """instead""", DeprecationWarning) - - superinit = super(ArgumentParser, self).__init__ - superinit(description=description, - prefix_chars=prefix_chars, - argument_default=argument_default, - conflict_handler=conflict_handler) - - # default setting for prog - if prog is None: - prog = _os.path.basename(_sys.argv[0]) - - self.prog = prog - self.usage = usage - self.epilog = epilog - self.version = version - self.formatter_class = formatter_class - self.fromfile_prefix_chars = fromfile_prefix_chars - self.add_help = add_help - - add_group = self.add_argument_group - self._positionals = add_group(_('positional arguments')) - self._optionals = add_group(_('optional arguments')) - self._subparsers = None - - # register types - def identity(string): - return string - self.register('type', None, identity) - - # add help and version arguments if necessary - # (using explicit default to override global argument_default) - if '-' in prefix_chars: - default_prefix = '-' - else: - default_prefix = prefix_chars[0] - if self.add_help: - self.add_argument( - default_prefix+'h', default_prefix*2+'help', - action='help', default=SUPPRESS, - help=_('show this help message and exit')) - if self.version: - self.add_argument( - default_prefix+'v', default_prefix*2+'version', - action='version', default=SUPPRESS, - version=self.version, - help=_("show program's version number and exit")) - - # add parent arguments and defaults - for parent in parents: - self._add_container_actions(parent) - try: - defaults = parent._defaults - except AttributeError: - pass - else: - self._defaults.update(defaults) - - # ======================= - # Pretty __repr__ methods - # ======================= - def _get_kwargs(self): - names = [ - 'prog', - 'usage', - 'description', - 'version', - 'formatter_class', - 'conflict_handler', - 'add_help', - ] - return [(name, getattr(self, name)) for name in names] - - # ================================== - # Optional/Positional adding methods - # ================================== - def add_subparsers(self, **kwargs): - if self._subparsers is not None: - self.error(_('cannot have multiple subparser arguments')) - - # add the parser class to the arguments if it's not present - kwargs.setdefault('parser_class', type(self)) - - if 'title' in kwargs or 'description' in kwargs: - title = _(kwargs.pop('title', 'subcommands')) - description = _(kwargs.pop('description', None)) - self._subparsers = self.add_argument_group(title, description) - else: - self._subparsers = self._positionals - - # prog defaults to the usage message of this parser, skipping - # optional arguments and with no "usage:" prefix - if kwargs.get('prog') is None: - formatter = self._get_formatter() - positionals = self._get_positional_actions() - groups = self._mutually_exclusive_groups - formatter.add_usage(self.usage, positionals, groups, '') - kwargs['prog'] = formatter.format_help().strip() - - # create the parsers action and add it to the positionals list - parsers_class = self._pop_action_class(kwargs, 'parsers') - action = parsers_class(option_strings=[], **kwargs) - self._subparsers._add_action(action) - - # return the created parsers action - return action - - def _add_action(self, action): - if action.option_strings: - self._optionals._add_action(action) - else: - self._positionals._add_action(action) - return action - - def _get_optional_actions(self): - return [action - for action in self._actions - if action.option_strings] - - def _get_positional_actions(self): - return [action - for action in self._actions - if not action.option_strings] - - # ===================================== - # Command line argument parsing methods - # ===================================== - def parse_args(self, args=None, namespace=None): - args, argv = self.parse_known_args(args, namespace) - if argv: - msg = _('unrecognized arguments: %s') - self.error(msg % ' '.join(argv)) - return args - - def parse_known_args(self, args=None, namespace=None): - # args default to the system args - if args is None: - args = _sys.argv[1:] - - # default Namespace built from parser defaults - if namespace is None: - namespace = Namespace() - - # add any action defaults that aren't present - for action in self._actions: - if action.dest is not SUPPRESS: - if not hasattr(namespace, action.dest): - if action.default is not SUPPRESS: - setattr(namespace, action.dest, action.default) - - # add any parser defaults that aren't present - for dest in self._defaults: - if not hasattr(namespace, dest): - setattr(namespace, dest, self._defaults[dest]) - - # parse the arguments and exit if there are any errors - try: - namespace, args = self._parse_known_args(args, namespace) - if hasattr(namespace, _UNRECOGNIZED_ARGS_ATTR): - args.extend(getattr(namespace, _UNRECOGNIZED_ARGS_ATTR)) - delattr(namespace, _UNRECOGNIZED_ARGS_ATTR) - return namespace, args - except ArgumentError: - err = _sys.exc_info()[1] - self.error(str(err)) - - def _parse_known_args(self, arg_strings, namespace): - # replace arg strings that are file references - if self.fromfile_prefix_chars is not None: - arg_strings = self._read_args_from_files(arg_strings) - - # map all mutually exclusive arguments to the other arguments - # they can't occur with - action_conflicts = {} - for mutex_group in self._mutually_exclusive_groups: - group_actions = mutex_group._group_actions - for i, mutex_action in enumerate(mutex_group._group_actions): - conflicts = action_conflicts.setdefault(mutex_action, []) - conflicts.extend(group_actions[:i]) - conflicts.extend(group_actions[i + 1:]) - - # find all option indices, and determine the arg_string_pattern - # which has an 'O' if there is an option at an index, - # an 'A' if there is an argument, or a '-' if there is a '--' - option_string_indices = {} - arg_string_pattern_parts = [] - arg_strings_iter = iter(arg_strings) - for i, arg_string in enumerate(arg_strings_iter): - - # all args after -- are non-options - if arg_string == '--': - arg_string_pattern_parts.append('-') - for arg_string in arg_strings_iter: - arg_string_pattern_parts.append('A') - - # otherwise, add the arg to the arg strings - # and note the index if it was an option - else: - option_tuple = self._parse_optional(arg_string) - if option_tuple is None: - pattern = 'A' - else: - option_string_indices[i] = option_tuple - pattern = 'O' - arg_string_pattern_parts.append(pattern) - - # join the pieces together to form the pattern - arg_strings_pattern = ''.join(arg_string_pattern_parts) - - # converts arg strings to the appropriate and then takes the action - seen_actions = set() - seen_non_default_actions = set() - - def take_action(action, argument_strings, option_string=None): - seen_actions.add(action) - argument_values = self._get_values(action, argument_strings) - - # error if this argument is not allowed with other previously - # seen arguments, assuming that actions that use the default - # value don't really count as "present" - if argument_values is not action.default: - seen_non_default_actions.add(action) - for conflict_action in action_conflicts.get(action, []): - if conflict_action in seen_non_default_actions: - msg = _('not allowed with argument %s') - action_name = _get_action_name(conflict_action) - raise ArgumentError(action, msg % action_name) - - # take the action if we didn't receive a SUPPRESS value - # (e.g. from a default) - if argument_values is not SUPPRESS: - action(self, namespace, argument_values, option_string) - - # function to convert arg_strings into an optional action - def consume_optional(start_index): - - # get the optional identified at this index - option_tuple = option_string_indices[start_index] - action, option_string, explicit_arg = option_tuple - - # identify additional optionals in the same arg string - # (e.g. -xyz is the same as -x -y -z if no args are required) - match_argument = self._match_argument - action_tuples = [] - while True: - - # if we found no optional action, skip it - if action is None: - extras.append(arg_strings[start_index]) - return start_index + 1 - - # if there is an explicit argument, try to match the - # optional's string arguments to only this - if explicit_arg is not None: - arg_count = match_argument(action, 'A') - - # if the action is a single-dash option and takes no - # arguments, try to parse more single-dash options out - # of the tail of the option string - chars = self.prefix_chars - if arg_count == 0 and option_string[1] not in chars: - action_tuples.append((action, [], option_string)) - char = option_string[0] - option_string = char + explicit_arg[0] - new_explicit_arg = explicit_arg[1:] or None - optionals_map = self._option_string_actions - if option_string in optionals_map: - action = optionals_map[option_string] - explicit_arg = new_explicit_arg - else: - msg = _('ignored explicit argument %r') - raise ArgumentError(action, msg % explicit_arg) - - # if the action expect exactly one argument, we've - # successfully matched the option; exit the loop - elif arg_count == 1: - stop = start_index + 1 - args = [explicit_arg] - action_tuples.append((action, args, option_string)) - break - - # error if a double-dash option did not use the - # explicit argument - else: - msg = _('ignored explicit argument %r') - raise ArgumentError(action, msg % explicit_arg) - - # if there is no explicit argument, try to match the - # optional's string arguments with the following strings - # if successful, exit the loop - else: - start = start_index + 1 - selected_patterns = arg_strings_pattern[start:] - arg_count = match_argument(action, selected_patterns) - stop = start + arg_count - args = arg_strings[start:stop] - action_tuples.append((action, args, option_string)) - break - - # add the Optional to the list and return the index at which - # the Optional's string args stopped - assert action_tuples - for action, args, option_string in action_tuples: - take_action(action, args, option_string) - return stop - - # the list of Positionals left to be parsed; this is modified - # by consume_positionals() - positionals = self._get_positional_actions() - - # function to convert arg_strings into positional actions - def consume_positionals(start_index): - # match as many Positionals as possible - match_partial = self._match_arguments_partial - selected_pattern = arg_strings_pattern[start_index:] - arg_counts = match_partial(positionals, selected_pattern) - - # slice off the appropriate arg strings for each Positional - # and add the Positional and its args to the list - for action, arg_count in zip(positionals, arg_counts): - args = arg_strings[start_index: start_index + arg_count] - start_index += arg_count - take_action(action, args) - - # slice off the Positionals that we just parsed and return the - # index at which the Positionals' string args stopped - positionals[:] = positionals[len(arg_counts):] - return start_index - - # consume Positionals and Optionals alternately, until we have - # passed the last option string - extras = [] - start_index = 0 - if option_string_indices: - max_option_string_index = max(option_string_indices) - else: - max_option_string_index = -1 - while start_index <= max_option_string_index: - - # consume any Positionals preceding the next option - next_option_string_index = min([ - index - for index in option_string_indices - if index >= start_index]) - if start_index != next_option_string_index: - positionals_end_index = consume_positionals(start_index) - - # only try to parse the next optional if we didn't consume - # the option string during the positionals parsing - if positionals_end_index > start_index: - start_index = positionals_end_index - continue - else: - start_index = positionals_end_index - - # if we consumed all the positionals we could and we're not - # at the index of an option string, there were extra arguments - if start_index not in option_string_indices: - strings = arg_strings[start_index:next_option_string_index] - extras.extend(strings) - start_index = next_option_string_index - - # consume the next optional and any arguments for it - start_index = consume_optional(start_index) - - # consume any positionals following the last Optional - stop_index = consume_positionals(start_index) - - # if we didn't consume all the argument strings, there were extras - extras.extend(arg_strings[stop_index:]) - - # if we didn't use all the Positional objects, there were too few - # arg strings supplied. - if positionals: - self.error(_('too few arguments')) - - # make sure all required actions were present, and convert defaults. - for action in self._actions: - if action not in seen_actions: - if action.required: - name = _get_action_name(action) - self.error(_('argument %s is required') % name) - else: - # Convert action default now instead of doing it before - # parsing arguments to avoid calling convert functions - # twice (which may fail) if the argument was given, but - # only if it was defined already in the namespace - if (action.default is not None and - isinstance(action.default, basestring) and - hasattr(namespace, action.dest) and - action.default is getattr(namespace, action.dest)): - setattr(namespace, action.dest, - self._get_value(action, action.default)) - - # make sure all required groups had one option present - for group in self._mutually_exclusive_groups: - if group.required: - for action in group._group_actions: - if action in seen_non_default_actions: - break - - # if no actions were used, report the error - else: - names = [_get_action_name(action) - for action in group._group_actions - if action.help is not SUPPRESS] - msg = _('one of the arguments %s is required') - self.error(msg % ' '.join(names)) - - # return the updated namespace and the extra arguments - return namespace, extras - - def _read_args_from_files(self, arg_strings): - # expand arguments referencing files - new_arg_strings = [] - for arg_string in arg_strings: - - # for regular arguments, just add them back into the list - if arg_string[0] not in self.fromfile_prefix_chars: - new_arg_strings.append(arg_string) - - # replace arguments referencing files with the file content - else: - try: - args_file = open(arg_string[1:]) - try: - arg_strings = [] - for arg_line in args_file.read().splitlines(): - for arg in self.convert_arg_line_to_args(arg_line): - arg_strings.append(arg) - arg_strings = self._read_args_from_files(arg_strings) - new_arg_strings.extend(arg_strings) - finally: - args_file.close() - except IOError: - err = _sys.exc_info()[1] - self.error(str(err)) - - # return the modified argument list - return new_arg_strings - - def convert_arg_line_to_args(self, arg_line): - return [arg_line] - - def _match_argument(self, action, arg_strings_pattern): - # match the pattern for this action to the arg strings - nargs_pattern = self._get_nargs_pattern(action) - match = _re.match(nargs_pattern, arg_strings_pattern) - - # raise an exception if we weren't able to find a match - if match is None: - nargs_errors = { - None: _('expected one argument'), - OPTIONAL: _('expected at most one argument'), - ONE_OR_MORE: _('expected at least one argument'), - } - default = _('expected %s argument(s)') % action.nargs - msg = nargs_errors.get(action.nargs, default) - raise ArgumentError(action, msg) - - # return the number of arguments matched - return len(match.group(1)) - - def _match_arguments_partial(self, actions, arg_strings_pattern): - # progressively shorten the actions list by slicing off the - # final actions until we find a match - result = [] - for i in range(len(actions), 0, -1): - actions_slice = actions[:i] - pattern = ''.join([self._get_nargs_pattern(action) - for action in actions_slice]) - match = _re.match(pattern, arg_strings_pattern) - if match is not None: - result.extend([len(string) for string in match.groups()]) - break - - # return the list of arg string counts - return result - - def _parse_optional(self, arg_string): - # if it's an empty string, it was meant to be a positional - if not arg_string: - return None - - # if it doesn't start with a prefix, it was meant to be positional - if not arg_string[0] in self.prefix_chars: - return None - - # if the option string is present in the parser, return the action - if arg_string in self._option_string_actions: - action = self._option_string_actions[arg_string] - return action, arg_string, None - - # if it's just a single character, it was meant to be positional - if len(arg_string) == 1: - return None - - # if the option string before the "=" is present, return the action - if '=' in arg_string: - option_string, explicit_arg = arg_string.split('=', 1) - if option_string in self._option_string_actions: - action = self._option_string_actions[option_string] - return action, option_string, explicit_arg - - # search through all possible prefixes of the option string - # and all actions in the parser for possible interpretations - option_tuples = self._get_option_tuples(arg_string) - - # if multiple actions match, the option string was ambiguous - if len(option_tuples) > 1: - options = ', '.join([option_string - for action, option_string, explicit_arg in option_tuples]) - tup = arg_string, options - self.error(_('ambiguous option: %s could match %s') % tup) - - # if exactly one action matched, this segmentation is good, - # so return the parsed action - elif len(option_tuples) == 1: - option_tuple, = option_tuples - return option_tuple - - # if it was not found as an option, but it looks like a negative - # number, it was meant to be positional - # unless there are negative-number-like options - if self._negative_number_matcher.match(arg_string): - if not self._has_negative_number_optionals: - return None - - # if it contains a space, it was meant to be a positional - if ' ' in arg_string: - return None - - # it was meant to be an optional but there is no such option - # in this parser (though it might be a valid option in a subparser) - return None, arg_string, None - - def _get_option_tuples(self, option_string): - result = [] - - # option strings starting with two prefix characters are only - # split at the '=' - chars = self.prefix_chars - if option_string[0] in chars and option_string[1] in chars: - if '=' in option_string: - option_prefix, explicit_arg = option_string.split('=', 1) - else: - option_prefix = option_string - explicit_arg = None - for option_string in self._option_string_actions: - if option_string.startswith(option_prefix): - action = self._option_string_actions[option_string] - tup = action, option_string, explicit_arg - result.append(tup) - - # single character options can be concatenated with their arguments - # but multiple character options always have to have their argument - # separate - elif option_string[0] in chars and option_string[1] not in chars: - option_prefix = option_string - explicit_arg = None - short_option_prefix = option_string[:2] - short_explicit_arg = option_string[2:] - - for option_string in self._option_string_actions: - if option_string == short_option_prefix: - action = self._option_string_actions[option_string] - tup = action, option_string, short_explicit_arg - result.append(tup) - elif option_string.startswith(option_prefix): - action = self._option_string_actions[option_string] - tup = action, option_string, explicit_arg - result.append(tup) - - # shouldn't ever get here - else: - self.error(_('unexpected option string: %s') % option_string) - - # return the collected option tuples - return result - - def _get_nargs_pattern(self, action): - # in all examples below, we have to allow for '--' args - # which are represented as '-' in the pattern - nargs = action.nargs - - # the default (None) is assumed to be a single argument - if nargs is None: - nargs_pattern = '(-*A-*)' - - # allow zero or one arguments - elif nargs == OPTIONAL: - nargs_pattern = '(-*A?-*)' - - # allow zero or more arguments - elif nargs == ZERO_OR_MORE: - nargs_pattern = '(-*[A-]*)' - - # allow one or more arguments - elif nargs == ONE_OR_MORE: - nargs_pattern = '(-*A[A-]*)' - - # allow any number of options or arguments - elif nargs == REMAINDER: - nargs_pattern = '([-AO]*)' - - # allow one argument followed by any number of options or arguments - elif nargs == PARSER: - nargs_pattern = '(-*A[-AO]*)' - - # all others should be integers - else: - nargs_pattern = '(-*%s-*)' % '-*'.join('A' * nargs) - - # if this is an optional action, -- is not allowed - if action.option_strings: - nargs_pattern = nargs_pattern.replace('-*', '') - nargs_pattern = nargs_pattern.replace('-', '') - - # return the pattern - return nargs_pattern - - # ======================== - # Value conversion methods - # ======================== - def _get_values(self, action, arg_strings): - # for everything but PARSER args, strip out '--' - if action.nargs not in [PARSER, REMAINDER]: - arg_strings = [s for s in arg_strings if s != '--'] - - # optional argument produces a default when not present - if not arg_strings and action.nargs == OPTIONAL: - if action.option_strings: - value = action.const - else: - value = action.default - if isinstance(value, basestring): - value = self._get_value(action, value) - self._check_value(action, value) - - # when nargs='*' on a positional, if there were no command-line - # args, use the default if it is anything other than None - elif (not arg_strings and action.nargs == ZERO_OR_MORE and - not action.option_strings): - if action.default is not None: - value = action.default - else: - value = arg_strings - self._check_value(action, value) - - # single argument or optional argument produces a single value - elif len(arg_strings) == 1 and action.nargs in [None, OPTIONAL]: - arg_string, = arg_strings - value = self._get_value(action, arg_string) - self._check_value(action, value) - - # REMAINDER arguments convert all values, checking none - elif action.nargs == REMAINDER: - value = [self._get_value(action, v) for v in arg_strings] - - # PARSER arguments convert all values, but check only the first - elif action.nargs == PARSER: - value = [self._get_value(action, v) for v in arg_strings] - self._check_value(action, value[0]) - - # all other types of nargs produce a list - else: - value = [self._get_value(action, v) for v in arg_strings] - for v in value: - self._check_value(action, v) - - # return the converted value - return value - - def _get_value(self, action, arg_string): - type_func = self._registry_get('type', action.type, action.type) - if not _callable(type_func): - msg = _('%r is not callable') - raise ArgumentError(action, msg % type_func) - - # convert the value to the appropriate type - try: - result = type_func(arg_string) - - # ArgumentTypeErrors indicate errors - except ArgumentTypeError: - name = getattr(action.type, '__name__', repr(action.type)) - msg = str(_sys.exc_info()[1]) - raise ArgumentError(action, msg) - - # TypeErrors or ValueErrors also indicate errors - except (TypeError, ValueError): - name = getattr(action.type, '__name__', repr(action.type)) - msg = _('invalid %s value: %r') - raise ArgumentError(action, msg % (name, arg_string)) - - # return the converted value - return result - - def _check_value(self, action, value): - # converted value must be one of the choices (if specified) - if action.choices is not None and value not in action.choices: - cols = colified(sorted(action.choices), indent=4, tty=True) - msg = _('invalid choice: %r choose from:\n%s') % (value, cols) - raise ArgumentError(action, msg) - - # ======================= - # Help-formatting methods - # ======================= - def format_usage(self): - formatter = self._get_formatter() - formatter.add_usage(self.usage, self._actions, - self._mutually_exclusive_groups) - return formatter.format_help() - - def format_help(self): - formatter = self._get_formatter() - - # usage - formatter.add_usage(self.usage, self._actions, - self._mutually_exclusive_groups) - - # description - formatter.add_text(self.description) - - # positionals, optionals and user-defined groups - for action_group in self._action_groups: - formatter.start_section(action_group.title) - formatter.add_text(action_group.description) - formatter.add_arguments(action_group._group_actions) - formatter.end_section() - - # epilog - formatter.add_text(self.epilog) - - # determine help from format above - return formatter.format_help() - - def format_version(self): - import warnings - warnings.warn( - 'The format_version method is deprecated -- the "version" ' - 'argument to ArgumentParser is no longer supported.', - DeprecationWarning) - formatter = self._get_formatter() - formatter.add_text(self.version) - return formatter.format_help() - - def _get_formatter(self): - return self.formatter_class(prog=self.prog) - - # ===================== - # Help-printing methods - # ===================== - def print_usage(self, file=None): - if file is None: - file = _sys.stdout - self._print_message(self.format_usage(), file) - - def print_help(self, file=None): - if file is None: - file = _sys.stdout - self._print_message(self.format_help(), file) - - def print_version(self, file=None): - import warnings - warnings.warn( - 'The print_version method is deprecated -- the "version" ' - 'argument to ArgumentParser is no longer supported.', - DeprecationWarning) - self._print_message(self.format_version(), file) - - def _print_message(self, message, file=None): - if message: - if file is None: - file = _sys.stderr - file.write(message) - - # =============== - # Exiting methods - # =============== - def exit(self, status=0, message=None): - if message: - self._print_message(message, _sys.stderr) - _sys.exit(status) - - def error(self, message): - """error(message: string) - - Prints a usage message incorporating the message to stderr and - exits. - - If you override this in a subclass, it should not return -- it - should either exit or raise an exception. - """ - self.print_usage(_sys.stderr) - self.exit(2, _('%s: error: %s\n') % (self.prog, message)) diff --git a/lib/spack/external/py2/functools32/LICENSE b/lib/spack/external/py2/functools32/LICENSE deleted file mode 100644 index 43388e7e13..0000000000 --- a/lib/spack/external/py2/functools32/LICENSE +++ /dev/null @@ -1,289 +0,0 @@ -A. HISTORY OF THE SOFTWARE -========================== - -Python was created in the early 1990s by Guido van Rossum at Stichting -Mathematisch Centrum (CWI, see http://www.cwi.nl) in the Netherlands -as a successor of a language called ABC. Guido remains Python's -principal author, although it includes many contributions from others. - -In 1995, Guido continued his work on Python at the Corporation for -National Research Initiatives (CNRI, see http://www.cnri.reston.va.us) -in Reston, Virginia where he released several versions of the -software. - -In May 2000, Guido and the Python core development team moved to -BeOpen.com to form the BeOpen PythonLabs team. In October of the same -year, the PythonLabs team moved to Digital Creations (now Zope -Corporation, see http://www.zope.com). In 2001, the Python Software -Foundation (PSF, see http://www.python.org/psf/) was formed, a -non-profit organization created specifically to own Python-related -Intellectual Property. Zope Corporation is a sponsoring member of -the PSF. - -All Python releases are Open Source (see http://www.opensource.org for -the Open Source Definition). Historically, most, but not all, Python -releases have also been GPL-compatible; the table below summarizes -the various releases. - - Release Derived Year Owner GPL- - from compatible? (1) - - 0.9.0 thru 1.2 1991-1995 CWI yes - 1.3 thru 1.5.2 1.2 1995-1999 CNRI yes - 1.6 1.5.2 2000 CNRI no - 2.0 1.6 2000 BeOpen.com no - 1.6.1 1.6 2001 CNRI yes (2) - 2.1 2.0+1.6.1 2001 PSF no - 2.0.1 2.0+1.6.1 2001 PSF yes - 2.1.1 2.1+2.0.1 2001 PSF yes - 2.2 2.1.1 2001 PSF yes - 2.1.2 2.1.1 2002 PSF yes - 2.1.3 2.1.2 2002 PSF yes - 2.2.1 2.2 2002 PSF yes - 2.2.2 2.2.1 2002 PSF yes - 2.2.3 2.2.2 2003 PSF yes - 2.3 2.2.2 2002-2003 PSF yes - 2.3.1 2.3 2002-2003 PSF yes - 2.3.2 2.3.1 2002-2003 PSF yes - 2.3.3 2.3.2 2002-2003 PSF yes - 2.3.4 2.3.3 2004 PSF yes - 2.3.5 2.3.4 2005 PSF yes - 2.4 2.3 2004 PSF yes - 2.4.1 2.4 2005 PSF yes - 2.4.2 2.4.1 2005 PSF yes - 2.4.3 2.4.2 2006 PSF yes - 2.4.4 2.4.3 2006 PSF yes - 2.5 2.4 2006 PSF yes - 2.5.1 2.5 2007 PSF yes - 2.5.2 2.5.1 2008 PSF yes - 2.5.3 2.5.2 2008 PSF yes - 2.6 2.5 2008 PSF yes - 2.6.1 2.6 2008 PSF yes - 2.6.2 2.6.1 2009 PSF yes - 2.6.3 2.6.2 2009 PSF yes - 2.6.4 2.6.3 2009 PSF yes - 2.6.5 2.6.4 2010 PSF yes - 3.0 2.6 2008 PSF yes - 3.0.1 3.0 2009 PSF yes - 3.1 3.0.1 2009 PSF yes - 3.1.1 3.1 2009 PSF yes - 3.1.2 3.1.1 2010 PSF yes - 3.1.3 3.1.2 2010 PSF yes - 3.1.4 3.1.3 2011 PSF yes - 3.2 3.1 2011 PSF yes - 3.2.1 3.2 2011 PSF yes - 3.2.2 3.2.1 2011 PSF yes - 3.2.3 3.2.2 2012 PSF yes - -Footnotes: - -(1) GPL-compatible doesn't mean that we're distributing Python under - the GPL. All Python licenses, unlike the GPL, let you distribute - a modified version without making your changes open source. The - GPL-compatible licenses make it possible to combine Python with - other software that is released under the GPL; the others don't. - -(2) According to Richard Stallman, 1.6.1 is not GPL-compatible, - because its license has a choice of law clause. According to - CNRI, however, Stallman's lawyer has told CNRI's lawyer that 1.6.1 - is "not incompatible" with the GPL. - -Thanks to the many outside volunteers who have worked under Guido's -direction to make these releases possible. - - -B. TERMS AND CONDITIONS FOR ACCESSING OR OTHERWISE USING PYTHON -=============================================================== - -PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2 --------------------------------------------- - -1. This LICENSE AGREEMENT is between the Python Software Foundation -("PSF"), and the Individual or Organization ("Licensee") accessing and -otherwise using this software ("Python") in source or binary form and -its associated documentation. - -2. Subject to the terms and conditions of this License Agreement, PSF hereby -grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce, -analyze, test, perform and/or display publicly, prepare derivative works, -distribute, and otherwise use Python alone or in any derivative version, -provided, however, that PSF's License Agreement and PSF's notice of copyright, -i.e., "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, -2011, 2012 Python Software Foundation; All Rights Reserved" are retained in Python -alone or in any derivative version prepared by Licensee. - -3. In the event Licensee prepares a derivative work that is based on -or incorporates Python or any part thereof, and wants to make -the derivative work available to others as provided herein, then -Licensee hereby agrees to include in any such work a brief summary of -the changes made to Python. - -4. PSF is making Python available to Licensee on an "AS IS" -basis. PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR -IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND -DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS -FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT -INFRINGE ANY THIRD PARTY RIGHTS. - -5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON -FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS -A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON, -OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. - -6. This License Agreement will automatically terminate upon a material -breach of its terms and conditions. - -7. Nothing in this License Agreement shall be deemed to create any -relationship of agency, partnership, or joint venture between PSF and -Licensee. This License Agreement does not grant permission to use PSF -trademarks or trade name in a trademark sense to endorse or promote -products or services of Licensee, or any third party. - -8. By copying, installing or otherwise using Python, Licensee -agrees to be bound by the terms and conditions of this License -Agreement. - - -BEOPEN.COM LICENSE AGREEMENT FOR PYTHON 2.0 -------------------------------------------- - -BEOPEN PYTHON OPEN SOURCE LICENSE AGREEMENT VERSION 1 - -1. This LICENSE AGREEMENT is between BeOpen.com ("BeOpen"), having an -office at 160 Saratoga Avenue, Santa Clara, CA 95051, and the -Individual or Organization ("Licensee") accessing and otherwise using -this software in source or binary form and its associated -documentation ("the Software"). - -2. Subject to the terms and conditions of this BeOpen Python License -Agreement, BeOpen hereby grants Licensee a non-exclusive, -royalty-free, world-wide license to reproduce, analyze, test, perform -and/or display publicly, prepare derivative works, distribute, and -otherwise use the Software alone or in any derivative version, -provided, however, that the BeOpen Python License is retained in the -Software, alone or in any derivative version prepared by Licensee. - -3. BeOpen is making the Software available to Licensee on an "AS IS" -basis. BEOPEN MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR -IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, BEOPEN MAKES NO AND -DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS -FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE WILL NOT -INFRINGE ANY THIRD PARTY RIGHTS. - -4. BEOPEN SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF THE -SOFTWARE FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS -AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE, OR ANY -DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. - -5. This License Agreement will automatically terminate upon a material -breach of its terms and conditions. - -6. This License Agreement shall be governed by and interpreted in all -respects by the law of the State of California, excluding conflict of -law provisions. Nothing in this License Agreement shall be deemed to -create any relationship of agency, partnership, or joint venture -between BeOpen and Licensee. This License Agreement does not grant -permission to use BeOpen trademarks or trade names in a trademark -sense to endorse or promote products or services of Licensee, or any -third party. As an exception, the "BeOpen Python" logos available at -http://www.pythonlabs.com/logos.html may be used according to the -permissions granted on that web page. - -7. By copying, installing or otherwise using the software, Licensee -agrees to be bound by the terms and conditions of this License -Agreement. - - -CNRI LICENSE AGREEMENT FOR PYTHON 1.6.1 ---------------------------------------- - -1. This LICENSE AGREEMENT is between the Corporation for National -Research Initiatives, having an office at 1895 Preston White Drive, -Reston, VA 20191 ("CNRI"), and the Individual or Organization -("Licensee") accessing and otherwise using Python 1.6.1 software in -source or binary form and its associated documentation. - -2. Subject to the terms and conditions of this License Agreement, CNRI -hereby grants Licensee a nonexclusive, royalty-free, world-wide -license to reproduce, analyze, test, perform and/or display publicly, -prepare derivative works, distribute, and otherwise use Python 1.6.1 -alone or in any derivative version, provided, however, that CNRI's -License Agreement and CNRI's notice of copyright, i.e., "Copyright (c) -1995-2001 Corporation for National Research Initiatives; All Rights -Reserved" are retained in Python 1.6.1 alone or in any derivative -version prepared by Licensee. Alternately, in lieu of CNRI's License -Agreement, Licensee may substitute the following text (omitting the -quotes): "Python 1.6.1 is made available subject to the terms and -conditions in CNRI's License Agreement. This Agreement together with -Python 1.6.1 may be located on the Internet using the following -unique, persistent identifier (known as a handle): 1895.22/1013. This -Agreement may also be obtained from a proxy server on the Internet -using the following URL: http://hdl.handle.net/1895.22/1013". - -3. In the event Licensee prepares a derivative work that is based on -or incorporates Python 1.6.1 or any part thereof, and wants to make -the derivative work available to others as provided herein, then -Licensee hereby agrees to include in any such work a brief summary of -the changes made to Python 1.6.1. - -4. CNRI is making Python 1.6.1 available to Licensee on an "AS IS" -basis. CNRI MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR -IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, CNRI MAKES NO AND -DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS -FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON 1.6.1 WILL NOT -INFRINGE ANY THIRD PARTY RIGHTS. - -5. CNRI SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON -1.6.1 FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS -A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON 1.6.1, -OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF. - -6. This License Agreement will automatically terminate upon a material -breach of its terms and conditions. - -7. This License Agreement shall be governed by the federal -intellectual property law of the United States, including without -limitation the federal copyright law, and, to the extent such -U.S. federal law does not apply, by the law of the Commonwealth of -Virginia, excluding Virginia's conflict of law provisions. -Notwithstanding the foregoing, with regard to derivative works based -on Python 1.6.1 that incorporate non-separable material that was -previously distributed under the GNU General Public License (GPL), the -law of the Commonwealth of Virginia shall govern this License -Agreement only as to issues arising under or with respect to -Paragraphs 4, 5, and 7 of this License Agreement. Nothing in this -License Agreement shall be deemed to create any relationship of -agency, partnership, or joint venture between CNRI and Licensee. This -License Agreement does not grant permission to use CNRI trademarks or -trade name in a trademark sense to endorse or promote products or -services of Licensee, or any third party. - -8. By clicking on the "ACCEPT" button where indicated, or by copying, -installing or otherwise using Python 1.6.1, Licensee agrees to be -bound by the terms and conditions of this License Agreement. - - ACCEPT - - -CWI LICENSE AGREEMENT FOR PYTHON 0.9.0 THROUGH 1.2 --------------------------------------------------- - -Copyright (c) 1991 - 1995, Stichting Mathematisch Centrum Amsterdam, -The Netherlands. All rights reserved. - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Stichting Mathematisch -Centrum or CWI not be used in advertising or publicity pertaining to -distribution of the software without specific, written prior -permission. - -STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO -THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND -FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE -FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT -OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/lib/spack/external/py2/functools32/__init__.py b/lib/spack/external/py2/functools32/__init__.py deleted file mode 100644 index 837f7fb651..0000000000 --- a/lib/spack/external/py2/functools32/__init__.py +++ /dev/null @@ -1 +0,0 @@ -from .functools32 import * diff --git a/lib/spack/external/py2/functools32/_dummy_thread32.py b/lib/spack/external/py2/functools32/_dummy_thread32.py deleted file mode 100644 index 8503b0e3dd..0000000000 --- a/lib/spack/external/py2/functools32/_dummy_thread32.py +++ /dev/null @@ -1,158 +0,0 @@ -"""Drop-in replacement for the thread module. - -Meant to be used as a brain-dead substitute so that threaded code does -not need to be rewritten for when the thread module is not present. - -Suggested usage is:: - - try: - try: - import _thread # Python >= 3 - except: - import thread as _thread # Python < 3 - except ImportError: - import _dummy_thread as _thread - -""" -# Exports only things specified by thread documentation; -# skipping obsolete synonyms allocate(), start_new(), exit_thread(). -__all__ = ['error', 'start_new_thread', 'exit', 'get_ident', 'allocate_lock', - 'interrupt_main', 'LockType'] - -# A dummy value -TIMEOUT_MAX = 2**31 - -# NOTE: this module can be imported early in the extension building process, -# and so top level imports of other modules should be avoided. Instead, all -# imports are done when needed on a function-by-function basis. Since threads -# are disabled, the import lock should not be an issue anyway (??). - -class error(Exception): - """Dummy implementation of _thread.error.""" - - def __init__(self, *args): - self.args = args - -def start_new_thread(function, args, kwargs={}): - """Dummy implementation of _thread.start_new_thread(). - - Compatibility is maintained by making sure that ``args`` is a - tuple and ``kwargs`` is a dictionary. If an exception is raised - and it is SystemExit (which can be done by _thread.exit()) it is - caught and nothing is done; all other exceptions are printed out - by using traceback.print_exc(). - - If the executed function calls interrupt_main the KeyboardInterrupt will be - raised when the function returns. - - """ - if type(args) != type(tuple()): - raise TypeError("2nd arg must be a tuple") - if type(kwargs) != type(dict()): - raise TypeError("3rd arg must be a dict") - global _main - _main = False - try: - function(*args, **kwargs) - except SystemExit: - pass - except: - import traceback - traceback.print_exc() - _main = True - global _interrupt - if _interrupt: - _interrupt = False - raise KeyboardInterrupt - -def exit(): - """Dummy implementation of _thread.exit().""" - raise SystemExit - -def get_ident(): - """Dummy implementation of _thread.get_ident(). - - Since this module should only be used when _threadmodule is not - available, it is safe to assume that the current process is the - only thread. Thus a constant can be safely returned. - """ - return -1 - -def allocate_lock(): - """Dummy implementation of _thread.allocate_lock().""" - return LockType() - -def stack_size(size=None): - """Dummy implementation of _thread.stack_size().""" - if size is not None: - raise error("setting thread stack size not supported") - return 0 - -class LockType(object): - """Class implementing dummy implementation of _thread.LockType. - - Compatibility is maintained by maintaining self.locked_status - which is a boolean that stores the state of the lock. Pickling of - the lock, though, should not be done since if the _thread module is - then used with an unpickled ``lock()`` from here problems could - occur from this class not having atomic methods. - - """ - - def __init__(self): - self.locked_status = False - - def acquire(self, waitflag=None, timeout=-1): - """Dummy implementation of acquire(). - - For blocking calls, self.locked_status is automatically set to - True and returned appropriately based on value of - ``waitflag``. If it is non-blocking, then the value is - actually checked and not set if it is already acquired. This - is all done so that threading.Condition's assert statements - aren't triggered and throw a little fit. - - """ - if waitflag is None or waitflag: - self.locked_status = True - return True - else: - if not self.locked_status: - self.locked_status = True - return True - else: - if timeout > 0: - import time - time.sleep(timeout) - return False - - __enter__ = acquire - - def __exit__(self, typ, val, tb): - self.release() - - def release(self): - """Release the dummy lock.""" - # XXX Perhaps shouldn't actually bother to test? Could lead - # to problems for complex, threaded code. - if not self.locked_status: - raise error - self.locked_status = False - return True - - def locked(self): - return self.locked_status - -# Used to signal that interrupt_main was called in a "thread" -_interrupt = False -# True when not executing in a "thread" -_main = True - -def interrupt_main(): - """Set _interrupt flag to True to have start_new_thread raise - KeyboardInterrupt upon exiting.""" - if _main: - raise KeyboardInterrupt - else: - global _interrupt - _interrupt = True diff --git a/lib/spack/external/py2/functools32/functools32.py b/lib/spack/external/py2/functools32/functools32.py deleted file mode 100644 index c44551fac0..0000000000 --- a/lib/spack/external/py2/functools32/functools32.py +++ /dev/null @@ -1,423 +0,0 @@ -"""functools.py - Tools for working with functions and callable objects -""" -# Python module wrapper for _functools C module -# to allow utilities written in Python to be added -# to the functools module. -# Written by Nick Coghlan <ncoghlan at gmail.com> -# and Raymond Hettinger <python at rcn.com> -# Copyright (C) 2006-2010 Python Software Foundation. -# See C source code for _functools credits/copyright - -__all__ = ['update_wrapper', 'wraps', 'WRAPPER_ASSIGNMENTS', 'WRAPPER_UPDATES', - 'total_ordering', 'cmp_to_key', 'lru_cache', 'reduce', 'partial'] - -from _functools import partial, reduce -from collections import MutableMapping, namedtuple -from .reprlib32 import recursive_repr as _recursive_repr -from weakref import proxy as _proxy -import sys as _sys -try: - from thread import allocate_lock as Lock -except ImportError: - from ._dummy_thread32 import allocate_lock as Lock - -################################################################################ -### OrderedDict -################################################################################ - -class _Link(object): - __slots__ = 'prev', 'next', 'key', '__weakref__' - -class OrderedDict(dict): - 'Dictionary that remembers insertion order' - # An inherited dict maps keys to values. - # The inherited dict provides __getitem__, __len__, __contains__, and get. - # The remaining methods are order-aware. - # Big-O running times for all methods are the same as regular dictionaries. - - # The internal self.__map dict maps keys to links in a doubly linked list. - # The circular doubly linked list starts and ends with a sentinel element. - # The sentinel element never gets deleted (this simplifies the algorithm). - # The sentinel is in self.__hardroot with a weakref proxy in self.__root. - # The prev links are weakref proxies (to prevent circular references). - # Individual links are kept alive by the hard reference in self.__map. - # Those hard references disappear when a key is deleted from an OrderedDict. - - def __init__(self, *args, **kwds): - '''Initialize an ordered dictionary. The signature is the same as - regular dictionaries, but keyword arguments are not recommended because - their insertion order is arbitrary. - - ''' - if len(args) > 1: - raise TypeError('expected at most 1 arguments, got %d' % len(args)) - try: - self.__root - except AttributeError: - self.__hardroot = _Link() - self.__root = root = _proxy(self.__hardroot) - root.prev = root.next = root - self.__map = {} - self.__update(*args, **kwds) - - def __setitem__(self, key, value, - dict_setitem=dict.__setitem__, proxy=_proxy, Link=_Link): - 'od.__setitem__(i, y) <==> od[i]=y' - # Setting a new item creates a new link at the end of the linked list, - # and the inherited dictionary is updated with the new key/value pair. - if key not in self: - self.__map[key] = link = Link() - root = self.__root - last = root.prev - link.prev, link.next, link.key = last, root, key - last.next = link - root.prev = proxy(link) - dict_setitem(self, key, value) - - def __delitem__(self, key, dict_delitem=dict.__delitem__): - 'od.__delitem__(y) <==> del od[y]' - # Deleting an existing item uses self.__map to find the link which gets - # removed by updating the links in the predecessor and successor nodes. - dict_delitem(self, key) - link = self.__map.pop(key) - link_prev = link.prev - link_next = link.next - link_prev.next = link_next - link_next.prev = link_prev - - def __iter__(self): - 'od.__iter__() <==> iter(od)' - # Traverse the linked list in order. - root = self.__root - curr = root.next - while curr is not root: - yield curr.key - curr = curr.next - - def __reversed__(self): - 'od.__reversed__() <==> reversed(od)' - # Traverse the linked list in reverse order. - root = self.__root - curr = root.prev - while curr is not root: - yield curr.key - curr = curr.prev - - def clear(self): - 'od.clear() -> None. Remove all items from od.' - root = self.__root - root.prev = root.next = root - self.__map.clear() - dict.clear(self) - - def popitem(self, last=True): - '''od.popitem() -> (k, v), return and remove a (key, value) pair. - Pairs are returned in LIFO order if last is true or FIFO order if false. - - ''' - if not self: - raise KeyError('dictionary is empty') - root = self.__root - if last: - link = root.prev - link_prev = link.prev - link_prev.next = root - root.prev = link_prev - else: - link = root.next - link_next = link.next - root.next = link_next - link_next.prev = root - key = link.key - del self.__map[key] - value = dict.pop(self, key) - return key, value - - def move_to_end(self, key, last=True): - '''Move an existing element to the end (or beginning if last==False). - - Raises KeyError if the element does not exist. - When last=True, acts like a fast version of self[key]=self.pop(key). - - ''' - link = self.__map[key] - link_prev = link.prev - link_next = link.next - link_prev.next = link_next - link_next.prev = link_prev - root = self.__root - if last: - last = root.prev - link.prev = last - link.next = root - last.next = root.prev = link - else: - first = root.next - link.prev = root - link.next = first - root.next = first.prev = link - - def __sizeof__(self): - sizeof = _sys.getsizeof - n = len(self) + 1 # number of links including root - size = sizeof(self.__dict__) # instance dictionary - size += sizeof(self.__map) * 2 # internal dict and inherited dict - size += sizeof(self.__hardroot) * n # link objects - size += sizeof(self.__root) * n # proxy objects - return size - - update = __update = MutableMapping.update - keys = MutableMapping.keys - values = MutableMapping.values - items = MutableMapping.items - __ne__ = MutableMapping.__ne__ - - __marker = object() - - def pop(self, key, default=__marker): - '''od.pop(k[,d]) -> v, remove specified key and return the corresponding - value. If key is not found, d is returned if given, otherwise KeyError - is raised. - - ''' - if key in self: - result = self[key] - del self[key] - return result - if default is self.__marker: - raise KeyError(key) - return default - - def setdefault(self, key, default=None): - 'od.setdefault(k[,d]) -> od.get(k,d), also set od[k]=d if k not in od' - if key in self: - return self[key] - self[key] = default - return default - - @_recursive_repr() - def __repr__(self): - 'od.__repr__() <==> repr(od)' - if not self: - return '%s()' % (self.__class__.__name__,) - return '%s(%r)' % (self.__class__.__name__, list(self.items())) - - def __reduce__(self): - 'Return state information for pickling' - items = [[k, self[k]] for k in self] - inst_dict = vars(self).copy() - for k in vars(OrderedDict()): - inst_dict.pop(k, None) - if inst_dict: - return (self.__class__, (items,), inst_dict) - return self.__class__, (items,) - - def copy(self): - 'od.copy() -> a shallow copy of od' - return self.__class__(self) - - @classmethod - def fromkeys(cls, iterable, value=None): - '''OD.fromkeys(S[, v]) -> New ordered dictionary with keys from S. - If not specified, the value defaults to None. - - ''' - self = cls() - for key in iterable: - self[key] = value - return self - - def __eq__(self, other): - '''od.__eq__(y) <==> od==y. Comparison to another OD is order-sensitive - while comparison to a regular mapping is order-insensitive. - - ''' - if isinstance(other, OrderedDict): - return len(self)==len(other) and \ - all(p==q for p, q in zip(self.items(), other.items())) - return dict.__eq__(self, other) - -# update_wrapper() and wraps() are tools to help write -# wrapper functions that can handle naive introspection - -WRAPPER_ASSIGNMENTS = ('__module__', '__name__', '__doc__') -WRAPPER_UPDATES = ('__dict__',) -def update_wrapper(wrapper, - wrapped, - assigned = WRAPPER_ASSIGNMENTS, - updated = WRAPPER_UPDATES): - """Update a wrapper function to look like the wrapped function - - wrapper is the function to be updated - wrapped is the original function - assigned is a tuple naming the attributes assigned directly - from the wrapped function to the wrapper function (defaults to - functools.WRAPPER_ASSIGNMENTS) - updated is a tuple naming the attributes of the wrapper that - are updated with the corresponding attribute from the wrapped - function (defaults to functools.WRAPPER_UPDATES) - """ - wrapper.__wrapped__ = wrapped - for attr in assigned: - try: - value = getattr(wrapped, attr) - except AttributeError: - pass - else: - setattr(wrapper, attr, value) - for attr in updated: - getattr(wrapper, attr).update(getattr(wrapped, attr, {})) - # Return the wrapper so this can be used as a decorator via partial() - return wrapper - -def wraps(wrapped, - assigned = WRAPPER_ASSIGNMENTS, - updated = WRAPPER_UPDATES): - """Decorator factory to apply update_wrapper() to a wrapper function - - Returns a decorator that invokes update_wrapper() with the decorated - function as the wrapper argument and the arguments to wraps() as the - remaining arguments. Default arguments are as for update_wrapper(). - This is a convenience function to simplify applying partial() to - update_wrapper(). - """ - return partial(update_wrapper, wrapped=wrapped, - assigned=assigned, updated=updated) - -def total_ordering(cls): - """Class decorator that fills in missing ordering methods""" - convert = { - '__lt__': [('__gt__', lambda self, other: not (self < other or self == other)), - ('__le__', lambda self, other: self < other or self == other), - ('__ge__', lambda self, other: not self < other)], - '__le__': [('__ge__', lambda self, other: not self <= other or self == other), - ('__lt__', lambda self, other: self <= other and not self == other), - ('__gt__', lambda self, other: not self <= other)], - '__gt__': [('__lt__', lambda self, other: not (self > other or self == other)), - ('__ge__', lambda self, other: self > other or self == other), - ('__le__', lambda self, other: not self > other)], - '__ge__': [('__le__', lambda self, other: (not self >= other) or self == other), - ('__gt__', lambda self, other: self >= other and not self == other), - ('__lt__', lambda self, other: not self >= other)] - } - roots = set(dir(cls)) & set(convert) - if not roots: - raise ValueError('must define at least one ordering operation: < > <= >=') - root = max(roots) # prefer __lt__ to __le__ to __gt__ to __ge__ - for opname, opfunc in convert[root]: - if opname not in roots: - opfunc.__name__ = opname - opfunc.__doc__ = getattr(int, opname).__doc__ - setattr(cls, opname, opfunc) - return cls - -def cmp_to_key(mycmp): - """Convert a cmp= function into a key= function""" - class K(object): - __slots__ = ['obj'] - def __init__(self, obj): - self.obj = obj - def __lt__(self, other): - return mycmp(self.obj, other.obj) < 0 - def __gt__(self, other): - return mycmp(self.obj, other.obj) > 0 - def __eq__(self, other): - return mycmp(self.obj, other.obj) == 0 - def __le__(self, other): - return mycmp(self.obj, other.obj) <= 0 - def __ge__(self, other): - return mycmp(self.obj, other.obj) >= 0 - def __ne__(self, other): - return mycmp(self.obj, other.obj) != 0 - __hash__ = None - return K - -_CacheInfo = namedtuple("CacheInfo", "hits misses maxsize currsize") - -def lru_cache(maxsize=100): - """Least-recently-used cache decorator. - - If *maxsize* is set to None, the LRU features are disabled and the cache - can grow without bound. - - Arguments to the cached function must be hashable. - - View the cache statistics named tuple (hits, misses, maxsize, currsize) with - f.cache_info(). Clear the cache and statistics with f.cache_clear(). - Access the underlying function with f.__wrapped__. - - See: http://en.wikipedia.org/wiki/Cache_algorithms#Least_Recently_Used - - """ - # Users should only access the lru_cache through its public API: - # cache_info, cache_clear, and f.__wrapped__ - # The internals of the lru_cache are encapsulated for thread safety and - # to allow the implementation to change (including a possible C version). - - def decorating_function(user_function, - tuple=tuple, sorted=sorted, len=len, KeyError=KeyError): - - hits, misses = [0], [0] - kwd_mark = (object(),) # separates positional and keyword args - lock = Lock() # needed because OrderedDict isn't threadsafe - - if maxsize is None: - cache = dict() # simple cache without ordering or size limit - - @wraps(user_function) - def wrapper(*args, **kwds): - key = args - if kwds: - key += kwd_mark + tuple(sorted(kwds.items())) - try: - result = cache[key] - hits[0] += 1 - return result - except KeyError: - pass - result = user_function(*args, **kwds) - cache[key] = result - misses[0] += 1 - return result - else: - cache = OrderedDict() # ordered least recent to most recent - cache_popitem = cache.popitem - cache_renew = cache.move_to_end - - @wraps(user_function) - def wrapper(*args, **kwds): - key = args - if kwds: - key += kwd_mark + tuple(sorted(kwds.items())) - with lock: - try: - result = cache[key] - cache_renew(key) # record recent use of this key - hits[0] += 1 - return result - except KeyError: - pass - result = user_function(*args, **kwds) - with lock: - cache[key] = result # record recent use of this key - misses[0] += 1 - if len(cache) > maxsize: - cache_popitem(0) # purge least recently used cache entry - return result - - def cache_info(): - """Report cache statistics""" - with lock: - return _CacheInfo(hits[0], misses[0], maxsize, len(cache)) - - def cache_clear(): - """Clear the cache and cache statistics""" - with lock: - cache.clear() - hits[0] = misses[0] = 0 - - wrapper.cache_info = cache_info - wrapper.cache_clear = cache_clear - return wrapper - - return decorating_function diff --git a/lib/spack/external/py2/functools32/reprlib32.py b/lib/spack/external/py2/functools32/reprlib32.py deleted file mode 100644 index af919758ca..0000000000 --- a/lib/spack/external/py2/functools32/reprlib32.py +++ /dev/null @@ -1,157 +0,0 @@ -"""Redo the builtin repr() (representation) but with limits on most sizes.""" - -__all__ = ["Repr", "repr", "recursive_repr"] - -import __builtin__ as builtins -from itertools import islice -try: - from thread import get_ident -except ImportError: - from _dummy_thread32 import get_ident - -def recursive_repr(fillvalue='...'): - 'Decorator to make a repr function return fillvalue for a recursive call' - - def decorating_function(user_function): - repr_running = set() - - def wrapper(self): - key = id(self), get_ident() - if key in repr_running: - return fillvalue - repr_running.add(key) - try: - result = user_function(self) - finally: - repr_running.discard(key) - return result - - # Can't use functools.wraps() here because of bootstrap issues - wrapper.__module__ = getattr(user_function, '__module__') - wrapper.__doc__ = getattr(user_function, '__doc__') - wrapper.__name__ = getattr(user_function, '__name__') - wrapper.__annotations__ = getattr(user_function, '__annotations__', {}) - return wrapper - - return decorating_function - -class Repr: - - def __init__(self): - self.maxlevel = 6 - self.maxtuple = 6 - self.maxlist = 6 - self.maxarray = 5 - self.maxdict = 4 - self.maxset = 6 - self.maxfrozenset = 6 - self.maxdeque = 6 - self.maxstring = 30 - self.maxlong = 40 - self.maxother = 30 - - def repr(self, x): - return self.repr1(x, self.maxlevel) - - def repr1(self, x, level): - typename = type(x).__name__ - if ' ' in typename: - parts = typename.split() - typename = '_'.join(parts) - if hasattr(self, 'repr_' + typename): - return getattr(self, 'repr_' + typename)(x, level) - else: - return self.repr_instance(x, level) - - def _repr_iterable(self, x, level, left, right, maxiter, trail=''): - n = len(x) - if level <= 0 and n: - s = '...' - else: - newlevel = level - 1 - repr1 = self.repr1 - pieces = [repr1(elem, newlevel) for elem in islice(x, maxiter)] - if n > maxiter: pieces.append('...') - s = ', '.join(pieces) - if n == 1 and trail: right = trail + right - return '%s%s%s' % (left, s, right) - - def repr_tuple(self, x, level): - return self._repr_iterable(x, level, '(', ')', self.maxtuple, ',') - - def repr_list(self, x, level): - return self._repr_iterable(x, level, '[', ']', self.maxlist) - - def repr_array(self, x, level): - header = "array('%s', [" % x.typecode - return self._repr_iterable(x, level, header, '])', self.maxarray) - - def repr_set(self, x, level): - x = _possibly_sorted(x) - return self._repr_iterable(x, level, 'set([', '])', self.maxset) - - def repr_frozenset(self, x, level): - x = _possibly_sorted(x) - return self._repr_iterable(x, level, 'frozenset([', '])', - self.maxfrozenset) - - def repr_deque(self, x, level): - return self._repr_iterable(x, level, 'deque([', '])', self.maxdeque) - - def repr_dict(self, x, level): - n = len(x) - if n == 0: return '{}' - if level <= 0: return '{...}' - newlevel = level - 1 - repr1 = self.repr1 - pieces = [] - for key in islice(_possibly_sorted(x), self.maxdict): - keyrepr = repr1(key, newlevel) - valrepr = repr1(x[key], newlevel) - pieces.append('%s: %s' % (keyrepr, valrepr)) - if n > self.maxdict: pieces.append('...') - s = ', '.join(pieces) - return '{%s}' % (s,) - - def repr_str(self, x, level): - s = builtins.repr(x[:self.maxstring]) - if len(s) > self.maxstring: - i = max(0, (self.maxstring-3)//2) - j = max(0, self.maxstring-3-i) - s = builtins.repr(x[:i] + x[len(x)-j:]) - s = s[:i] + '...' + s[len(s)-j:] - return s - - def repr_int(self, x, level): - s = builtins.repr(x) # XXX Hope this isn't too slow... - if len(s) > self.maxlong: - i = max(0, (self.maxlong-3)//2) - j = max(0, self.maxlong-3-i) - s = s[:i] + '...' + s[len(s)-j:] - return s - - def repr_instance(self, x, level): - try: - s = builtins.repr(x) - # Bugs in x.__repr__() can cause arbitrary - # exceptions -- then make up something - except Exception: - return '<%s instance at %x>' % (x.__class__.__name__, id(x)) - if len(s) > self.maxother: - i = max(0, (self.maxother-3)//2) - j = max(0, self.maxother-3-i) - s = s[:i] + '...' + s[len(s)-j:] - return s - - -def _possibly_sorted(x): - # Since not all sequences of items can be sorted and comparison - # functions may raise arbitrary exceptions, return an unsorted - # sequence in that case. - try: - return sorted(x) - except Exception: - return list(x) - -aRepr = Repr() -repr = aRepr.repr diff --git a/lib/spack/external/py2/typing.py b/lib/spack/external/py2/typing.py deleted file mode 100644 index a74bd4a1ea..0000000000 --- a/lib/spack/external/py2/typing.py +++ /dev/null @@ -1,103 +0,0 @@ -# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other -# Spack Project Developers. See the top-level COPYRIGHT file for details. -# -# SPDX-License-Identifier: (Apache-2.0 OR MIT) -""" -This is a fake set of symbols to allow spack to import typing in python -versions where we do not support type checking (<3) -""" -from collections import defaultdict - -# (1) Unparameterized types. -Annotated = object -Any = object -AnyStr = object -ByteString = object -Counter = object -Final = object -Hashable = object -NoReturn = object -Sized = object -SupportsAbs = object -SupportsBytes = object -SupportsComplex = object -SupportsFloat = object -SupportsIndex = object -SupportsInt = object -SupportsRound = object - -# (2) Parameterized types. -AbstractSet = defaultdict(lambda: object) -AsyncContextManager = defaultdict(lambda: object) -AsyncGenerator = defaultdict(lambda: object) -AsyncIterable = defaultdict(lambda: object) -AsyncIterator = defaultdict(lambda: object) -Awaitable = defaultdict(lambda: object) -Callable = defaultdict(lambda: object) -ChainMap = defaultdict(lambda: object) -ClassVar = defaultdict(lambda: object) -Collection = defaultdict(lambda: object) -Container = defaultdict(lambda: object) -ContextManager = defaultdict(lambda: object) -Coroutine = defaultdict(lambda: object) -DefaultDict = defaultdict(lambda: object) -Deque = defaultdict(lambda: object) -Dict = defaultdict(lambda: object) -ForwardRef = defaultdict(lambda: object) -FrozenSet = defaultdict(lambda: object) -Generator = defaultdict(lambda: object) -Generic = defaultdict(lambda: object) -ItemsView = defaultdict(lambda: object) -Iterable = defaultdict(lambda: object) -Iterator = defaultdict(lambda: object) -KeysView = defaultdict(lambda: object) -List = defaultdict(lambda: object) -Literal = defaultdict(lambda: object) -Mapping = defaultdict(lambda: object) -MappingView = defaultdict(lambda: object) -MutableMapping = defaultdict(lambda: object) -MutableSequence = defaultdict(lambda: object) -MutableSet = defaultdict(lambda: object) -NamedTuple = defaultdict(lambda: object) -Optional = defaultdict(lambda: object) -OrderedDict = defaultdict(lambda: object) -Reversible = defaultdict(lambda: object) -Sequence = defaultdict(lambda: object) -Set = defaultdict(lambda: object) -Tuple = defaultdict(lambda: object) -Type = defaultdict(lambda: object) -TypedDict = defaultdict(lambda: object) -Union = defaultdict(lambda: object) -ValuesView = defaultdict(lambda: object) - -# (3) Type variable declarations. -TypeVar = lambda *args, **kwargs: None - -# (4) Functions. -cast = lambda _type, x: x -get_args = None -get_origin = None -get_type_hints = None -no_type_check = None -no_type_check_decorator = None - -## typing_extensions -# We get a ModuleNotFoundError when attempting to import anything from typing_extensions -# if we separate this into a separate typing_extensions.py file for some reason. - -# (1) Unparameterized types. -IntVar = object -Literal = object -NewType = object -Text = object - -# (2) Parameterized types. -Protocol = defaultdict(lambda: object) - -# (3) Macro for avoiding evaluation except during type checking. -TYPE_CHECKING = False - -# (4) Decorators. -final = lambda x: x -overload = lambda x: x -runtime_checkable = lambda x: x diff --git a/lib/spack/llnl/util/compat.py b/lib/spack/llnl/util/compat.py deleted file mode 100644 index ebe509f3a7..0000000000 --- a/lib/spack/llnl/util/compat.py +++ /dev/null @@ -1,39 +0,0 @@ -# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other -# Spack Project Developers. See the top-level COPYRIGHT file for details. -# -# SPDX-License-Identifier: (Apache-2.0 OR MIT) -# isort: off - -import sys - -if sys.version_info < (3,): - from itertools import ifilter as filter - from itertools import imap as map - from itertools import izip as zip - from itertools import izip_longest as zip_longest # novm - from urllib import urlencode as urlencode - from urllib import urlopen as urlopen -else: - filter = filter - map = map - zip = zip - from itertools import zip_longest as zip_longest # novm # noqa: F401 - from urllib.parse import urlencode as urlencode # novm # noqa: F401 - from urllib.request import urlopen as urlopen # novm # noqa: F401 - -if sys.version_info >= (3, 3): - from collections.abc import Hashable as Hashable # novm - from collections.abc import Iterable as Iterable # novm - from collections.abc import Mapping as Mapping # novm - from collections.abc import MutableMapping as MutableMapping # novm - from collections.abc import MutableSequence as MutableSequence # novm - from collections.abc import MutableSet as MutableSet # novm - from collections.abc import Sequence as Sequence # novm -else: - from collections import Hashable as Hashable # noqa: F401 - from collections import Iterable as Iterable # noqa: F401 - from collections import Mapping as Mapping # noqa: F401 - from collections import MutableMapping as MutableMapping # noqa: F401 - from collections import MutableSequence as MutableSequence # noqa: F401 - from collections import MutableSet as MutableSet # noqa: F401 - from collections import Sequence as Sequence # noqa: F401 diff --git a/lib/spack/llnl/util/filesystem.py b/lib/spack/llnl/util/filesystem.py index aece52f843..30ecc1ebc8 100644 --- a/lib/spack/llnl/util/filesystem.py +++ b/lib/spack/llnl/util/filesystem.py @@ -3,6 +3,7 @@ # # SPDX-License-Identifier: (Apache-2.0 OR MIT) import collections +import collections.abc import errno import glob import hashlib @@ -20,7 +21,6 @@ from sys import platform as _platform import six from llnl.util import tty -from llnl.util.compat import Sequence from llnl.util.lang import dedupe, memoized from llnl.util.symlink import islink, symlink @@ -290,9 +290,7 @@ def filter_file(regex, repl, *filenames, **kwargs): shutil.copy(filename, tmp_filename) try: - extra_kwargs = {} - if sys.version_info > (3, 0): - extra_kwargs = {"errors": "surrogateescape"} + extra_kwargs = {"errors": "surrogateescape"} # Open as a text file and filter until the end of the file is # reached or we found a marker in the line if it was specified @@ -1309,46 +1307,34 @@ def visit_directory_tree(root, visitor, rel_path="", depth=0): depth (str): current depth from the root """ dir = os.path.join(root, rel_path) - - if sys.version_info >= (3, 5, 0): - dir_entries = sorted(os.scandir(dir), key=lambda d: d.name) # novermin - else: - dir_entries = os.listdir(dir) - dir_entries.sort() + dir_entries = sorted(os.scandir(dir), key=lambda d: d.name) for f in dir_entries: - if sys.version_info >= (3, 5, 0): - rel_child = os.path.join(rel_path, f.name) - islink = f.is_symlink() - # On Windows, symlinks to directories are distinct from - # symlinks to files, and it is possible to create a - # broken symlink to a directory (e.g. using os.symlink - # without `target_is_directory=True`), invoking `isdir` - # on a symlink on Windows that is broken in this manner - # will result in an error. In this case we can work around - # the issue by reading the target and resolving the - # directory ourselves - try: - isdir = f.is_dir() - except OSError as e: - if is_windows and hasattr(e, "winerror") and e.winerror == 5 and islink: - # if path is a symlink, determine destination and - # evaluate file vs directory - link_target = resolve_link_target_relative_to_the_link(f) - # link_target might be relative but - # resolve_link_target_relative_to_the_link - # will ensure that if so, that it is relative - # to the CWD and therefore - # makes sense - isdir = os.path.isdir(link_target) - else: - raise e - - else: - rel_child = os.path.join(rel_path, f) - lexists, islink, isdir = lexists_islink_isdir(os.path.join(dir, f)) - if not lexists: - continue + rel_child = os.path.join(rel_path, f.name) + islink = f.is_symlink() + # On Windows, symlinks to directories are distinct from + # symlinks to files, and it is possible to create a + # broken symlink to a directory (e.g. using os.symlink + # without `target_is_directory=True`), invoking `isdir` + # on a symlink on Windows that is broken in this manner + # will result in an error. In this case we can work around + # the issue by reading the target and resolving the + # directory ourselves + try: + isdir = f.is_dir() + except OSError as e: + if is_windows and hasattr(e, "winerror") and e.winerror == 5 and islink: + # if path is a symlink, determine destination and + # evaluate file vs directory + link_target = resolve_link_target_relative_to_the_link(f) + # link_target might be relative but + # resolve_link_target_relative_to_the_link + # will ensure that if so, that it is relative + # to the CWD and therefore + # makes sense + isdir = os.path.isdir(link_target) + else: + raise e if not isdir and not islink: # handle non-symlink files @@ -1609,7 +1595,7 @@ def find(root, files, recursive=True): Parameters: root (str): The root directory to start searching from - files (str or Sequence): Library name(s) to search for + files (str or collections.abc.Sequence): Library name(s) to search for recursive (bool): if False search only root folder, if True descends top-down from the root. Defaults to True. @@ -1673,7 +1659,7 @@ def _find_non_recursive(root, search_files): # Utilities for libraries and headers -class FileList(Sequence): +class FileList(collections.abc.Sequence): """Sequence of absolute paths to files. Provides a few convenience methods to manipulate file paths. @@ -1914,7 +1900,7 @@ def find_headers(headers, root, recursive=False): """ if isinstance(headers, six.string_types): headers = [headers] - elif not isinstance(headers, Sequence): + elif not isinstance(headers, collections.abc.Sequence): message = "{0} expects a string or sequence of strings as the " message += "first argument [got {1} instead]" message = message.format(find_headers.__name__, type(headers)) @@ -2080,7 +2066,7 @@ def find_system_libraries(libraries, shared=True): """ if isinstance(libraries, six.string_types): libraries = [libraries] - elif not isinstance(libraries, Sequence): + elif not isinstance(libraries, collections.abc.Sequence): message = "{0} expects a string or sequence of strings as the " message += "first argument [got {1} instead]" message = message.format(find_system_libraries.__name__, type(libraries)) @@ -2137,7 +2123,7 @@ def find_libraries(libraries, root, shared=True, recursive=False, runtime=True): """ if isinstance(libraries, six.string_types): libraries = [libraries] - elif not isinstance(libraries, Sequence): + elif not isinstance(libraries, collections.abc.Sequence): message = "{0} expects a string or sequence of strings as the " message += "first argument [got {1} instead]" message = message.format(find_libraries.__name__, type(libraries)) diff --git a/lib/spack/llnl/util/lang.py b/lib/spack/llnl/util/lang.py index 51bd710ddb..d8f3cc9b9b 100644 --- a/lib/spack/llnl/util/lang.py +++ b/lib/spack/llnl/util/lang.py @@ -5,9 +5,11 @@ from __future__ import division +import collections.abc import contextlib import functools import inspect +import itertools import os import re import sys @@ -18,8 +20,6 @@ from typing import Any, Callable, Iterable, List, Tuple import six from six import string_types -from llnl.util.compat import MutableMapping, MutableSequence, zip_longest - # Ignore emacs backups when listing modules ignore_modules = [r"^\.#", "~$"] @@ -312,7 +312,7 @@ def lazy_eq(lseq, rseq): # zip_longest is implemented in native code, so use it for speed. # use zip_longest instead of zip because it allows us to tell # which iterator was longer. - for left, right in zip_longest(liter, riter, fillvalue=done): + for left, right in itertools.zip_longest(liter, riter, fillvalue=done): if (left is done) or (right is done): return False @@ -332,7 +332,7 @@ def lazy_lt(lseq, rseq): liter = lseq() riter = rseq() - for left, right in zip_longest(liter, riter, fillvalue=done): + for left, right in itertools.zip_longest(liter, riter, fillvalue=done): if (left is done) or (right is done): return left is done # left was shorter than right @@ -482,7 +482,7 @@ def lazy_lexicographic_ordering(cls, set_hash=True): @lazy_lexicographic_ordering -class HashableMap(MutableMapping): +class HashableMap(collections.abc.MutableMapping): """This is a hashable, comparable dictionary. Hash is performed on a tuple of the values in the dictionary.""" @@ -887,32 +887,28 @@ def load_module_from_file(module_name, module_path): ImportError: when the module can't be loaded FileNotFoundError: when module_path doesn't exist """ + import importlib.util + if module_name in sys.modules: return sys.modules[module_name] # This recipe is adapted from https://stackoverflow.com/a/67692/771663 - if sys.version_info[0] == 3 and sys.version_info[1] >= 5: - import importlib.util - spec = importlib.util.spec_from_file_location(module_name, module_path) # novm - module = importlib.util.module_from_spec(spec) # novm - # The module object needs to exist in sys.modules before the - # loader executes the module code. - # - # See https://docs.python.org/3/reference/import.html#loading - sys.modules[spec.name] = module + spec = importlib.util.spec_from_file_location(module_name, module_path) # novm + module = importlib.util.module_from_spec(spec) # novm + # The module object needs to exist in sys.modules before the + # loader executes the module code. + # + # See https://docs.python.org/3/reference/import.html#loading + sys.modules[spec.name] = module + try: + spec.loader.exec_module(module) + except BaseException: try: - spec.loader.exec_module(module) - except BaseException: - try: - del sys.modules[spec.name] - except KeyError: - pass - raise - elif sys.version_info[0] == 2: - import imp - - module = imp.load_source(module_name, module_path) + del sys.modules[spec.name] + except KeyError: + pass + raise return module @@ -1030,7 +1026,7 @@ def ensure_last(lst, *elements): lst.append(lst.pop(lst.index(elt))) -class TypedMutableSequence(MutableSequence): +class TypedMutableSequence(collections.abc.MutableSequence): """Base class that behaves like a list, just with a different type. Client code can inherit from this base class: diff --git a/lib/spack/llnl/util/tty/__init__.py b/lib/spack/llnl/util/tty/__init__.py index ed847298ef..7c86411dbe 100644 --- a/lib/spack/llnl/util/tty/__init__.py +++ b/lib/spack/llnl/util/tty/__init__.py @@ -372,10 +372,5 @@ def terminal_size(): return int(rc[0]), int(rc[1]) else: - if sys.version_info[0] < 3: - raise RuntimeError( - "Terminal size not obtainable on Windows with a\ -Python version older than 3" - ) rc = (os.environ.get("LINES", 25), os.environ.get("COLUMNS", 80)) return int(rc[0]), int(rc[1]) diff --git a/lib/spack/llnl/util/tty/log.py b/lib/spack/llnl/util/tty/log.py index e155fa1d26..2d6609c390 100644 --- a/lib/spack/llnl/util/tty/log.py +++ b/lib/spack/llnl/util/tty/log.py @@ -241,8 +241,7 @@ class keyboard_input(object): """If termios was available, restore old settings.""" if self.old_cfg: self._restore_default_terminal_settings() - if sys.version_info >= (3,): - atexit.unregister(self._restore_default_terminal_settings) + atexit.unregister(self._restore_default_terminal_settings) # restore SIGSTP and SIGCONT handlers if self.old_handlers: @@ -323,10 +322,7 @@ class FileWrapper(object): def unwrap(self): if self.open: if self.file_like: - if sys.version_info < (3,): - self.file = open(self.file_like, "w") - else: - self.file = open(self.file_like, "w", encoding="utf-8") # novm + self.file = open(self.file_like, "w", encoding="utf-8") else: self.file = StringIO() return self.file @@ -699,13 +695,10 @@ class StreamWrapper: self.sys_attr = sys_attr self.saved_stream = None if sys.platform.startswith("win32"): - if sys.version_info < (3, 5): - libc = ctypes.CDLL(ctypes.util.find_library("c")) + if hasattr(sys, "gettotalrefcount"): # debug build + libc = ctypes.CDLL("ucrtbased") else: - if hasattr(sys, "gettotalrefcount"): # debug build - libc = ctypes.CDLL("ucrtbased") - else: - libc = ctypes.CDLL("api-ms-win-crt-stdio-l1-1-0") + libc = ctypes.CDLL("api-ms-win-crt-stdio-l1-1-0") kernel32 = ctypes.WinDLL("kernel32") @@ -927,13 +920,10 @@ def _writer_daemon( if sys.version_info < (3, 8) or sys.platform != "darwin": os.close(write_fd) - # Use line buffering (3rd param = 1) since Python 3 has a bug + # 1. Use line buffering (3rd param = 1) since Python 3 has a bug # that prevents unbuffered text I/O. - if sys.version_info < (3,): - in_pipe = os.fdopen(read_multiprocess_fd.fd, "r", 1) - else: - # Python 3.x before 3.7 does not open with UTF-8 encoding by default - in_pipe = os.fdopen(read_multiprocess_fd.fd, "r", 1, encoding="utf-8") + # 2. Python 3.x before 3.7 does not open with UTF-8 encoding by default + in_pipe = os.fdopen(read_multiprocess_fd.fd, "r", 1, encoding="utf-8") if stdin_multiprocess_fd: stdin = os.fdopen(stdin_multiprocess_fd.fd) diff --git a/lib/spack/spack/audit.py b/lib/spack/spack/audit.py index de9fc1a05b..5187961930 100644 --- a/lib/spack/spack/audit.py +++ b/lib/spack/spack/audit.py @@ -37,6 +37,7 @@ as input. """ import ast import collections +import collections.abc import inspect import itertools import pickle @@ -45,7 +46,6 @@ import re from six.moves.urllib.request import urlopen import llnl.util.lang -from llnl.util.compat import Sequence import spack.config import spack.patch @@ -81,7 +81,7 @@ class Error(object): return hash(value) -class AuditClass(Sequence): +class AuditClass(collections.abc.Sequence): def __init__(self, group, tag, description, kwargs): """Return an object that acts as a decorator to register functions associated with a specific class of sanity checks. diff --git a/lib/spack/spack/bootstrap.py b/lib/spack/spack/bootstrap.py index 60f8153ae2..1715eeaafd 100644 --- a/lib/spack/spack/bootstrap.py +++ b/lib/spack/spack/bootstrap.py @@ -476,21 +476,14 @@ def source_is_enabled_or_raise(conf): def spec_for_current_python(): """For bootstrapping purposes we are just interested in the Python - minor version (all patches are ABI compatible with the same minor) - and on whether ucs4 support has been enabled for Python 2.7 + minor version (all patches are ABI compatible with the same minor). See: https://www.python.org/dev/peps/pep-0513/ https://stackoverflow.com/a/35801395/771663 """ version_str = ".".join(str(x) for x in sys.version_info[:2]) - variant_str = "" - if sys.version_info[0] == 2 and sys.version_info[1] == 7: - unicode_size = sysconfig.get_config_var("Py_UNICODE_SIZE") - variant_str = "+ucs4" if unicode_size == 4 else "~ucs4" - - spec_fmt = "python@{0} {1}" - return spec_fmt.format(version_str, variant_str) + return "python@{0}".format(version_str) @contextlib.contextmanager @@ -873,9 +866,7 @@ def ensure_mypy_in_path_or_raise(): def black_root_spec(): - # black v21 is the last version to support Python 2.7. - # Upgrade when we no longer support Python 2.7 - return _root_spec("py-black@:21") + return _root_spec("py-black") def ensure_black_in_path_or_raise(): diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py index 9247d9f150..c2a61280ef 100644 --- a/lib/spack/spack/build_environment.py +++ b/lib/spack/spack/build_environment.py @@ -353,10 +353,8 @@ def set_compiler_environment_variables(pkg, env): if isinstance(pkg.flag_handler, types.FunctionType): handler = pkg.flag_handler else: - if sys.version_info >= (3, 0): - handler = pkg.flag_handler.__func__ - else: - handler = pkg.flag_handler.im_func + handler = pkg.flag_handler.__func__ + injf, envf, bsf = handler(pkg, flag, spec.compiler_flags[flag][:]) inject_flags[flag] = injf or [] env_flags[flag] = envf or [] diff --git a/lib/spack/spack/build_systems/cmake.py b/lib/spack/spack/build_systems/cmake.py index 1d0c50ea07..9456726d3e 100644 --- a/lib/spack/spack/build_systems/cmake.py +++ b/lib/spack/spack/build_systems/cmake.py @@ -2,6 +2,7 @@ # Spack Project Developers. See the top-level COPYRIGHT file for details. # # SPDX-License-Identifier: (Apache-2.0 OR MIT) +import collections.abc import inspect import os import platform @@ -12,7 +13,6 @@ from typing import List, Tuple import six import llnl.util.filesystem as fs -from llnl.util.compat import Sequence import spack.build_environment import spack.builder @@ -302,7 +302,9 @@ class CMakeBuilder(BaseBuilder): value = "ON" if value else "OFF" else: kind = "STRING" - if isinstance(value, Sequence) and not isinstance(value, six.string_types): + if isinstance(value, collections.abc.Sequence) and not isinstance( + value, six.string_types + ): value = ";".join(str(v) for v in value) else: value = str(value) diff --git a/lib/spack/spack/builder.py b/lib/spack/spack/builder.py index 7ae36b6e0a..063a7f0611 100644 --- a/lib/spack/spack/builder.py +++ b/lib/spack/spack/builder.py @@ -3,6 +3,7 @@ # # SPDX-License-Identifier: (Apache-2.0 OR MIT) import collections +import collections.abc import copy import functools import inspect @@ -10,8 +11,6 @@ from typing import List, Optional, Tuple import six -import llnl.util.compat - import spack.build_environment #: Builder classes, as registered by the "builder" decorator @@ -280,7 +279,7 @@ class PhaseCallbacksMeta(type): return _decorator -class BuilderMeta(PhaseCallbacksMeta, type(llnl.util.compat.Sequence)): # type: ignore +class BuilderMeta(PhaseCallbacksMeta, type(collections.abc.Sequence)): # type: ignore pass @@ -457,7 +456,7 @@ class InstallationPhase(object): return copy.deepcopy(self) -class Builder(six.with_metaclass(BuilderMeta, llnl.util.compat.Sequence)): +class Builder(six.with_metaclass(BuilderMeta, collections.abc.Sequence)): """A builder is a class that, given a package object (i.e. associated with concrete spec), knows how to install it. diff --git a/lib/spack/spack/ci_needs_workaround.py b/lib/spack/spack/ci_needs_workaround.py index 16f18db0a0..e1c7be3180 100644 --- a/lib/spack/spack/ci_needs_workaround.py +++ b/lib/spack/spack/ci_needs_workaround.py @@ -2,12 +2,11 @@ # Spack Project Developers. See the top-level COPYRIGHT file for details. # # SPDX-License-Identifier: (Apache-2.0 OR MIT) - -from llnl.util.compat import Mapping +import collections.abc get_job_name = lambda needs_entry: ( needs_entry.get("job") - if (isinstance(needs_entry, Mapping) and needs_entry.get("artifacts", True)) + if (isinstance(needs_entry, collections.abc.Mapping) and needs_entry.get("artifacts", True)) else needs_entry if isinstance(needs_entry, str) else None @@ -15,7 +14,7 @@ get_job_name = lambda needs_entry: ( def convert_job(job_entry): - if not isinstance(job_entry, Mapping): + if not isinstance(job_entry, collections.abc.Mapping): return job_entry needs = job_entry.get("needs") diff --git a/lib/spack/spack/ci_optimization.py b/lib/spack/spack/ci_optimization.py index f4f05f0acb..1af575292d 100644 --- a/lib/spack/spack/ci_optimization.py +++ b/lib/spack/spack/ci_optimization.py @@ -2,23 +2,21 @@ # Spack Project Developers. See the top-level COPYRIGHT file for details. # # SPDX-License-Identifier: (Apache-2.0 OR MIT) - +import collections +import collections.abc import copy import hashlib -from collections import defaultdict - -from llnl.util.compat import Mapping, Sequence import spack.util.spack_yaml as syaml def sort_yaml_obj(obj): - if isinstance(obj, Mapping): + if isinstance(obj, collections.abc.Mapping): return syaml.syaml_dict( (k, sort_yaml_obj(v)) for k, v in sorted(obj.items(), key=(lambda item: str(item[0]))) ) - if isinstance(obj, Sequence) and not isinstance(obj, str): + if isinstance(obj, collections.abc.Sequence) and not isinstance(obj, str): return syaml.syaml_list(sort_yaml_obj(x) for x in obj) return obj @@ -38,15 +36,15 @@ def matches(obj, proto): Precondition: proto must not have any reference cycles """ - if isinstance(obj, Mapping): - if not isinstance(proto, Mapping): + if isinstance(obj, collections.abc.Mapping): + if not isinstance(proto, collections.abc.Mapping): return False return all((key in obj and matches(obj[key], val)) for key, val in proto.items()) - if isinstance(obj, Sequence) and not isinstance(obj, str): + if isinstance(obj, collections.abc.Sequence) and not isinstance(obj, str): - if not (isinstance(proto, Sequence) and not isinstance(proto, str)): + if not (isinstance(proto, collections.abc.Sequence) and not isinstance(proto, str)): return False if len(obj) != len(proto): @@ -76,7 +74,9 @@ def subkeys(obj, proto): Otherwise, obj is returned. """ - if not (isinstance(obj, Mapping) and isinstance(proto, Mapping)): + if not ( + isinstance(obj, collections.abc.Mapping) and isinstance(proto, collections.abc.Mapping) + ): return obj new_obj = {} @@ -88,7 +88,7 @@ def subkeys(obj, proto): if matches(value, proto[key]) and matches(proto[key], value): continue - if isinstance(value, Mapping): + if isinstance(value, collections.abc.Mapping): new_obj[key] = subkeys(value, proto[key]) continue @@ -116,7 +116,7 @@ def add_extends(yaml, key): has_key = "extends" in yaml extends = yaml.get("extends") - if has_key and not isinstance(extends, (str, Sequence)): + if has_key and not isinstance(extends, (str, collections.abc.Sequence)): return if extends is None: @@ -261,7 +261,7 @@ def build_histogram(iterator, key): The list is sorted in descending order by count, yielding the most frequently occuring hashes first. """ - buckets = defaultdict(int) + buckets = collections.defaultdict(int) values = {} num_objects = 0 diff --git a/lib/spack/spack/cmd/list.py b/lib/spack/spack/cmd/list.py index 6bb5da7196..fbb7458e7f 100644 --- a/lib/spack/spack/cmd/list.py +++ b/lib/spack/spack/cmd/list.py @@ -12,6 +12,7 @@ import math import os import re import sys +from html import escape import llnl.util.tty as tty from llnl.util.tty.colify import colify @@ -21,11 +22,6 @@ import spack.dependency import spack.repo from spack.version import VersionList -if sys.version_info > (3, 1): - from html import escape # novm -else: - from cgi import escape - description = "list and search available packages" section = "basic" level = "short" diff --git a/lib/spack/spack/cmd/style.py b/lib/spack/spack/cmd/style.py index dc4426c8b9..0172c9f6d4 100644 --- a/lib/spack/spack/cmd/style.py +++ b/lib/spack/spack/cmd/style.py @@ -9,6 +9,7 @@ import argparse import os import re import sys +from itertools import zip_longest import llnl.util.tty as tty import llnl.util.tty.color as color @@ -18,14 +19,6 @@ import spack.bootstrap import spack.paths from spack.util.executable import which -if sys.version_info < (3, 0): - from itertools import izip_longest # novm - - zip_longest = izip_longest -else: - from itertools import zip_longest # novm - - description = "runs source code style checks on spack" section = "developer" level = "long" @@ -267,7 +260,7 @@ def run_flake8(flake8_cmd, file_list, args): "--config=%s" % os.path.join(spack.paths.prefix, ".flake8"), *chunk, fail_on_error=False, - output=str + output=str, ) returncode |= flake8_cmd.returncode @@ -375,14 +368,6 @@ def run_black(black_cmd, file_list, args): packed_args = black_args + tuple(chunk) output = black_cmd(*packed_args, fail_on_error=False, output=str, error=str) returncode |= black_cmd.returncode - - # ignore Python 2.7 deprecation error because we already know it's deprecated. - output = "\n".join( - line - for line in output.split("\n") - if "DEPRECATION: Python 2 support will be removed" not in line - ) - rewrite_and_print_output(output, args, pat, replacement) print_tool_result("black", returncode) @@ -400,10 +385,6 @@ def validate_toolset(arg_value): def style(parser, args): - # ensure python version is new enough - if sys.version_info < (3, 6): - tty.die("spack style requires Python 3.6 or later.") - # save initial working directory for relativizing paths later args.initial_working_dir = os.getcwd() diff --git a/lib/spack/spack/compilers/msvc.py b/lib/spack/spack/compilers/msvc.py index 5cf0b1356c..110ef8099e 100644 --- a/lib/spack/spack/compilers/msvc.py +++ b/lib/spack/spack/compilers/msvc.py @@ -6,7 +6,6 @@ import os import re import subprocess -import sys from distutils.version import StrictVersion from typing import Dict, List, Set # novm @@ -98,38 +97,33 @@ class Msvc(Compiler): def setup_custom_environment(self, pkg, env): """Set environment variables for MSVC using the Microsoft-provided script.""" - if sys.version_info[:2] > (2, 6): - # Set the build environment variables for spack. Just using - # subprocess.call() doesn't work since that operates in its own - # environment which is destroyed (along with the adjusted variables) - # once the process terminates. So go the long way around: examine - # output, sort into dictionary, use that to make the build - # environment. - out = subprocess.check_output( # novermin - 'cmd /u /c "{}" {} && set'.format(self.setvarsfile, "amd64"), - stderr=subprocess.STDOUT, - ) - if sys.version_info[0] >= 3: - out = out.decode("utf-16le", errors="replace") # novermin - - int_env = dict( - (key.lower(), value) - for key, _, value in (line.partition("=") for line in out.splitlines()) - if key and value - ) - - if "path" in int_env: - env.set_path("PATH", int_env["path"].split(";")) - env.set_path("INCLUDE", int_env.get("include", "").split(";")) - env.set_path("LIB", int_env.get("lib", "").split(";")) - - env.set("CC", self.cc) - env.set("CXX", self.cxx) - env.set("FC", self.fc) - env.set("F77", self.f77) - else: - # Should not this be an exception? - print("Cannot pull msvc compiler information in Python 2.6 or below") + # Set the build environment variables for spack. Just using + # subprocess.call() doesn't work since that operates in its own + # environment which is destroyed (along with the adjusted variables) + # once the process terminates. So go the long way around: examine + # output, sort into dictionary, use that to make the build + # environment. + out = subprocess.check_output( # novermin + 'cmd /u /c "{}" {} && set'.format(self.setvarsfile, "amd64"), + stderr=subprocess.STDOUT, + ) + out = out.decode("utf-16le", errors="replace") # novermin + + int_env = dict( + (key.lower(), value) + for key, _, value in (line.partition("=") for line in out.splitlines()) + if key and value + ) + + if "path" in int_env: + env.set_path("PATH", int_env["path"].split(";")) + env.set_path("INCLUDE", int_env.get("include", "").split(";")) + env.set_path("LIB", int_env.get("lib", "").split(";")) + + env.set("CC", self.cc) + env.set("CXX", self.cxx) + env.set("FC", self.fc) + env.set("F77", self.f77) @classmethod def fc_version(cls, fc): diff --git a/lib/spack/spack/cray_manifest.py b/lib/spack/spack/cray_manifest.py index d15c8450a3..631280c473 100644 --- a/lib/spack/spack/cray_manifest.py +++ b/lib/spack/spack/cray_manifest.py @@ -4,7 +4,6 @@ # SPDX-License-Identifier: (Apache-2.0 OR MIT) import json -import sys import jsonschema import jsonschema.exceptions @@ -163,11 +162,7 @@ def entries_to_specs(entries): def read(path, apply_updates): - if sys.version_info >= (3, 0): - decode_exception_type = json.decoder.JSONDecodeError - else: - decode_exception_type = ValueError - + decode_exception_type = json.decoder.JSONDecodeError try: with open(path, "r") as json_file: json_data = json.load(json_file) diff --git a/lib/spack/spack/directives.py b/lib/spack/spack/directives.py index a4c13c70b7..412e34bf05 100644 --- a/lib/spack/spack/directives.py +++ b/lib/spack/spack/directives.py @@ -28,6 +28,7 @@ The available directives are: * ``version`` """ +import collections.abc import functools import os.path import re @@ -37,7 +38,6 @@ import six import llnl.util.lang import llnl.util.tty.color -from llnl.util.compat import Sequence import spack.error import spack.patch @@ -237,7 +237,7 @@ class DirectiveMeta(type): if isinstance(dicts, six.string_types): dicts = (dicts,) - if not isinstance(dicts, Sequence): + if not isinstance(dicts, collections.abc.Sequence): message = "dicts arg must be list, tuple, or string. Found {0}" raise TypeError(message.format(type(dicts))) @@ -300,7 +300,7 @@ class DirectiveMeta(type): # ...so if it is not a sequence make it so values = result - if not isinstance(values, Sequence): + if not isinstance(values, collections.abc.Sequence): values = (values,) DirectiveMeta._directives_to_be_executed.extend(values) diff --git a/lib/spack/spack/filesystem_view.py b/lib/spack/spack/filesystem_view.py index 553d0b4108..51bceeb906 100644 --- a/lib/spack/spack/filesystem_view.py +++ b/lib/spack/spack/filesystem_view.py @@ -12,7 +12,6 @@ import shutil import sys from llnl.util import tty -from llnl.util.compat import filter, map, zip from llnl.util.filesystem import ( mkdirp, remove_dead_links, diff --git a/lib/spack/spack/install_test.py b/lib/spack/spack/install_test.py index 3c976febb1..130dca088a 100644 --- a/lib/spack/spack/install_test.py +++ b/lib/spack/spack/install_test.py @@ -7,7 +7,6 @@ import hashlib import os import re import shutil -import sys import six @@ -163,8 +162,7 @@ class TestSuite(object): json_text = sjson.dump(self.to_dict()) sha = hashlib.sha1(json_text.encode("utf-8")) b32_hash = base64.b32encode(sha.digest()).lower() - if sys.version_info[0] >= 3: - b32_hash = b32_hash.decode("utf-8") + b32_hash = b32_hash.decode("utf-8") self._hash = b32_hash return self._hash diff --git a/lib/spack/spack/main.py b/lib/spack/spack/main.py index a9a9d20df7..58785d8390 100644 --- a/lib/spack/spack/main.py +++ b/lib/spack/spack/main.py @@ -320,9 +320,9 @@ class SpackArgumentParser(argparse.ArgumentParser): kwargs.setdefault("required", True) sp = super(SpackArgumentParser, self).add_subparsers(**kwargs) - # This monkey patching is needed for Python 3.5 and 3.6, which support + # This monkey patching is needed for Python 3.6, which supports # having a required subparser but don't expose the API used above - if sys.version_info[:2] == (3, 5) or sys.version_info[:2] == (3, 6): + if sys.version_info[:2] == (3, 6): sp.required = True old_add_parser = sp.add_parser @@ -388,7 +388,7 @@ def make_argument_parser(**kwargs): "A flexible package manager that supports multiple versions,\n" "configurations, platforms, and compilers." ), - **kwargs + **kwargs, ) # stat names in groups of 7, for nice wrapping. @@ -560,12 +560,6 @@ def setup_main_options(args): # Assign a custom function to show warnings warnings.showwarning = send_warning_to_tty - if sys.version_info[:2] == (2, 7): - warnings.warn( - "Python 2.7 support is deprecated and will be removed in Spack v0.20.\n" - " Please move to Python 3.6 or higher." - ) - # Set up environment based on args. tty.set_verbose(args.verbose) tty.set_debug(args.debug) @@ -1015,10 +1009,7 @@ def main(argv=None): raise sys.stderr.write("\n") tty.error("Keyboard interrupt.") - if sys.version_info >= (3, 5): - return signal.SIGINT.value - else: - return signal.SIGINT + return signal.SIGINT.value except SystemExit as e: if spack.config.get("config:debug") or SHOW_BACKTRACE: diff --git a/lib/spack/spack/mirror.py b/lib/spack/spack/mirror.py index 1bd9c6cd28..41853c39b9 100644 --- a/lib/spack/spack/mirror.py +++ b/lib/spack/spack/mirror.py @@ -11,6 +11,7 @@ where spack is run is not connected to the internet, it allows spack to download packages directly from a mirror (e.g., on an intranet). """ import collections +import collections.abc import operator import os import os.path @@ -21,7 +22,6 @@ import ruamel.yaml.error as yaml_error import six import llnl.util.tty as tty -from llnl.util.compat import Mapping from llnl.util.filesystem import mkdirp import spack.config @@ -228,7 +228,7 @@ class Mirror(object): self._push_url = None -class MirrorCollection(Mapping): +class MirrorCollection(collections.abc.Mapping): """A mapping of mirror names to mirrors.""" def __init__(self, mirrors=None, scope=None): diff --git a/lib/spack/spack/mixins.py b/lib/spack/spack/mixins.py index b43b85aa02..2f6a68a2c0 100644 --- a/lib/spack/spack/mixins.py +++ b/lib/spack/spack/mixins.py @@ -7,13 +7,6 @@ package. """ import os -import sys -from typing import Callable, DefaultDict, List # novm - -if sys.version_info >= (3, 5): - CallbackDict = DefaultDict[str, List[Callable]] -else: - CallbackDict = None import llnl.util.filesystem diff --git a/lib/spack/spack/operating_systems/windows_os.py b/lib/spack/spack/operating_systems/windows_os.py index 02d45fd8d2..ec563f5336 100755 --- a/lib/spack/spack/operating_systems/windows_os.py +++ b/lib/spack/spack/operating_systems/windows_os.py @@ -7,7 +7,6 @@ import glob import os import platform import subprocess -import sys from spack.error import SpackError from spack.version import Version @@ -34,9 +33,7 @@ class WindowsOs(OperatingSystem): root = os.environ.get("ProgramFiles(x86)") or os.environ.get("ProgramFiles") if root: try: - extra_args = {} - if sys.version_info[:3] >= (3, 6, 0): - extra_args = {"encoding": "mbcs", "errors": "strict"} + extra_args = {"encoding": "mbcs", "errors": "strict"} paths = subprocess.check_output( # type: ignore[call-overload] # novermin [ os.path.join(root, "Microsoft Visual Studio", "Installer", "vswhere.exe"), @@ -48,10 +45,8 @@ class WindowsOs(OperatingSystem): "-products", "*", ], - **extra_args + **extra_args, ).strip() - if (3, 0) <= sys.version_info[:2] <= (3, 5): - paths = paths.decode() vs_install_paths = paths.split("\n") msvc_paths = [os.path.join(path, "VC", "Tools", "MSVC") for path in vs_install_paths] for p in msvc_paths: diff --git a/lib/spack/spack/package_base.py b/lib/spack/spack/package_base.py index 4e25cb6b04..957b947f79 100644 --- a/lib/spack/spack/package_base.py +++ b/lib/spack/spack/package_base.py @@ -66,13 +66,12 @@ from spack.util.prefix import Prefix from spack.util.web import FetchError from spack.version import GitVersion, Version, VersionBase -if sys.version_info[0] >= 3: - FLAG_HANDLER_RETURN_TYPE = Tuple[ - Optional[Iterable[str]], - Optional[Iterable[str]], - Optional[Iterable[str]], - ] - FLAG_HANDLER_TYPE = Callable[[str, Iterable[str]], FLAG_HANDLER_RETURN_TYPE] +FLAG_HANDLER_RETURN_TYPE = Tuple[ + Optional[Iterable[str]], + Optional[Iterable[str]], + Optional[Iterable[str]], +] +FLAG_HANDLER_TYPE = Callable[[str, Iterable[str]], FLAG_HANDLER_RETURN_TYPE] """Allowed URL schemes for spack packages.""" _ALLOWED_URL_SCHEMES = ["http", "https", "ftp", "file", "git"] @@ -1661,10 +1660,7 @@ class PackageBase(six.with_metaclass(PackageMeta, WindowsRPathMeta, PackageViewM b32_hash = base64.b32encode( hashlib.sha256(bytes().join(sorted(hash_content))).digest() ).lower() - - # convert from bytes if running python 3 - if sys.version_info[0] >= 3: - b32_hash = b32_hash.decode("utf-8") + b32_hash = b32_hash.decode("utf-8") return b32_hash diff --git a/lib/spack/spack/repo.py b/lib/spack/spack/repo.py index 11370f7b56..e8c593f948 100644 --- a/lib/spack/spack/repo.py +++ b/lib/spack/spack/repo.py @@ -4,10 +4,13 @@ # SPDX-License-Identifier: (Apache-2.0 OR MIT) import abc +import collections.abc import contextlib import errno import functools import importlib +import importlib.machinery # novm +import importlib.util import inspect import itertools import os @@ -18,7 +21,6 @@ import shutil import stat import string import sys -import tempfile import traceback import types import uuid @@ -30,7 +32,6 @@ import six import llnl.util.filesystem as fs import llnl.util.lang import llnl.util.tty as tty -from llnl.util.compat import Mapping from llnl.util.filesystem import working_dir import spack.caches @@ -79,125 +80,23 @@ def namespace_from_fullname(fullname): return namespace -# The code below is needed to have a uniform Loader interface that could cover both -# Python 2.7 and Python 3.X when we load Spack packages as Python modules, e.g. when -# we do "import spack.pkg.builtin.mpich" in package recipes. -if sys.version_info[0] == 2: - import imp +class _PrependFileLoader(importlib.machinery.SourceFileLoader): # novm + def __init__(self, fullname, path, prepend=None): + super(_PrependFileLoader, self).__init__(fullname, path) + self.prepend = prepend - @contextlib.contextmanager - def import_lock(): - try: - imp.acquire_lock() - yield - finally: - imp.release_lock() - - def load_source(fullname, path, prepend=None): - """Import a Python module from source. - - Load the source file and add it to ``sys.modules``. - - Args: - fullname (str): full name of the module to be loaded - path (str): path to the file that should be loaded - prepend (str or None): some optional code to prepend to the - loaded module; e.g., can be used to inject import statements - - Returns: - the loaded module - """ - with import_lock(): - with prepend_open(path, text=prepend) as f: - return imp.load_source(fullname, path, f) - - @contextlib.contextmanager - def prepend_open(f, *args, **kwargs): - """Open a file for reading, but prepend with some text prepended - - Arguments are same as for ``open()``, with one keyword argument, - ``text``, specifying the text to prepend. - - We have to write and read a tempfile for the ``imp``-based importer, - as the ``file`` argument to ``imp.load_source()`` requires a - low-level file handle. - - See the ``importlib``-based importer for a faster way to do this in - later versions of python. - """ - text = kwargs.get("text", None) - - with open(f, *args) as f: - with tempfile.NamedTemporaryFile(mode="w+") as tf: - if text: - tf.write(text + "\n") - tf.write(f.read()) - tf.seek(0) - yield tf.file - - class _PrependFileLoader(object): - def __init__(self, fullname, path, prepend=None): - # Done to have a compatible interface with Python 3 - # - # All the object attributes used in this method must be defined - # by a derived class - pass - - def package_module(self): - try: - module = load_source(self.fullname, self.package_py, prepend=self._package_prepend) - except SyntaxError as e: - # SyntaxError strips the path from the filename, so we need to - # manually construct the error message in order to give the - # user the correct package.py where the syntax error is located - msg = "invalid syntax in {0:}, line {1:}" - raise SyntaxError(msg.format(self.package_py, e.lineno)) + def path_stats(self, path): + stats = super(_PrependFileLoader, self).path_stats(path) + if self.prepend: + stats["size"] += len(self.prepend) + 1 + return stats - module.__package__ = self.repo.full_namespace - module.__loader__ = self - return module - - def load_module(self, fullname): - # Compatibility method to support Python 2.7 - if fullname in sys.modules: - return sys.modules[fullname] - - namespace, dot, module_name = fullname.rpartition(".") - - try: - module = self.package_module() - except Exception as e: - raise ImportError(str(e)) - - module.__loader__ = self - sys.modules[fullname] = module - if namespace != fullname: - parent = sys.modules[namespace] - if not hasattr(parent, module_name): - setattr(parent, module_name, module) - - return module - -else: - import importlib.machinery # novm - - class _PrependFileLoader(importlib.machinery.SourceFileLoader): # novm - def __init__(self, fullname, path, prepend=None): - super(_PrependFileLoader, self).__init__(fullname, path) - self.prepend = prepend - - def path_stats(self, path): - stats = super(_PrependFileLoader, self).path_stats(path) - if self.prepend: - stats["size"] += len(self.prepend) + 1 - return stats - - def get_data(self, path): - data = super(_PrependFileLoader, self).get_data(path) - if path != self.path or self.prepend is None: - return data - else: - return self.prepend.encode() + b"\n" + data + def get_data(self, path): + data = super(_PrependFileLoader, self).get_data(path) + if path != self.path or self.prepend is None: + return data + else: + return self.prepend.encode() + b"\n" + data class RepoLoader(_PrependFileLoader): @@ -227,22 +126,6 @@ class SpackNamespaceLoader(object): def exec_module(self, module): module.__loader__ = self - def load_module(self, fullname): - # Compatibility method to support Python 2.7 - if fullname in sys.modules: - return sys.modules[fullname] - module = SpackNamespace(fullname) - self.exec_module(module) - - namespace, dot, module_name = fullname.rpartition(".") - sys.modules[fullname] = module - if namespace != fullname: - parent = sys.modules[namespace] - if not hasattr(parent, module_name): - setattr(parent, module_name, module) - - return module - class ReposFinder(object): """MetaPathFinder class that loads a Python module corresponding to a Spack package @@ -251,9 +134,6 @@ class ReposFinder(object): """ def find_spec(self, fullname, python_path, target=None): - # This function is Python 3 only and will not be called by Python 2.7 - import importlib.util - # "target" is not None only when calling importlib.reload() if target is not None: raise RuntimeError('cannot reload module "{0}"'.format(fullname)) @@ -292,12 +172,6 @@ class ReposFinder(object): return None - def find_module(self, fullname, python_path=None): - # Compatibility method to support Python 2.7 - if not fullname.startswith(ROOT_PYTHON_NAMESPACE): - return None - return self.compute_loader(fullname) - # # These names describe how repos should be laid out in the filesystem. @@ -483,7 +357,7 @@ class SpackNamespace(types.ModuleType): return getattr(self, name) -class FastPackageChecker(Mapping): +class FastPackageChecker(collections.abc.Mapping): """Cache that maps package names to the stats obtained on the 'package.py' files associated with them. diff --git a/lib/spack/spack/schema/environment.py b/lib/spack/spack/schema/environment.py index 2a295764a2..b192ad7206 100644 --- a/lib/spack/spack/schema/environment.py +++ b/lib/spack/spack/schema/environment.py @@ -5,6 +5,7 @@ """Schema for environment modifications. Meant for inclusion in other schemas. """ +import collections.abc array_of_strings_or_num = { "type": "array", @@ -39,15 +40,13 @@ def parse(config_obj): config_obj: a configuration dictionary conforming to the schema definition for environment modifications """ - from llnl.util.compat import Sequence - import spack.util.environment as ev env = ev.EnvironmentModifications() for command, variable in config_obj.items(): # Distinguish between commands that take only a name as argument # (e.g. unset) and commands that take a name and a value. - if isinstance(variable, Sequence): + if isinstance(variable, collections.abc.Sequence): for name in variable: getattr(env, command)(name) else: diff --git a/lib/spack/spack/solver/asp.py b/lib/spack/spack/solver/asp.py index 5f387636cc..844252c97b 100644 --- a/lib/spack/spack/solver/asp.py +++ b/lib/spack/spack/solver/asp.py @@ -5,6 +5,7 @@ from __future__ import division, print_function import collections +import collections.abc import copy import itertools import os @@ -17,8 +18,6 @@ from six import string_types import archspec.cpu -from llnl.util.compat import Sequence - try: import clingo # type: ignore[import] @@ -216,7 +215,7 @@ def build_criteria_names(costs, tuples): def issequence(obj): if isinstance(obj, string_types): return False - return isinstance(obj, (Sequence, types.GeneratorType)) + return isinstance(obj, (collections.abc.Sequence, types.GeneratorType)) def listify(args): diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py index 96b137622a..015c5b8061 100644 --- a/lib/spack/spack/spec.py +++ b/lib/spack/spack/spec.py @@ -80,6 +80,7 @@ specs to avoid ambiguity. Both are provided because ~ can cause shell expansion when it is the first character in an id typed on the command line. """ import collections +import collections.abc import itertools import os import re @@ -93,7 +94,6 @@ import llnl.util.filesystem as fs import llnl.util.lang as lang import llnl.util.tty as tty import llnl.util.tty.color as clr -from llnl.util.compat import Mapping import spack.compiler import spack.compilers @@ -894,7 +894,7 @@ EdgeDirection = lang.enum(parent=0, child=1) @lang.lazy_lexicographic_ordering -class _EdgeMap(Mapping): +class _EdgeMap(collections.abc.Mapping): """Represent a collection of edges (DependencySpec objects) in the DAG. Objects of this class are used in Specs to track edges that are @@ -2409,8 +2409,54 @@ class Spec(object): Args: data: a nested dict/list data structure read from YAML or JSON. """ + if isinstance(data["spec"], list): # Legacy specfile format + return _spec_from_old_dict(data) + + # Current specfile format + nodes = data["spec"]["nodes"] + hash_type = None + any_deps = False + + # Pass 0: Determine hash type + for node in nodes: + if "dependencies" in node.keys(): + any_deps = True + for _, _, _, dhash_type in Spec.dependencies_from_node_dict(node): + if dhash_type: + hash_type = dhash_type + break + + if not any_deps: # If we never see a dependency... + hash_type = ht.dag_hash.name + elif not hash_type: # Seen a dependency, still don't know hash_type + raise spack.error.SpecError( + "Spec dictionary contains malformed " "dependencies. Old format?" + ) - return _spec_from_dict(data) + hash_dict = {} + root_spec_hash = None + + # Pass 1: Create a single lookup dictionary by hash + for i, node in enumerate(nodes): + node_hash = node[hash_type] + node_spec = Spec.from_node_dict(node) + hash_dict[node_hash] = node + hash_dict[node_hash]["node_spec"] = node_spec + if i == 0: + root_spec_hash = node_hash + if not root_spec_hash: + raise spack.error.SpecError("Spec dictionary contains no nodes.") + + # Pass 2: Finish construction of all DAG edges (including build specs) + for node_hash, node in hash_dict.items(): + node_spec = node["node_spec"] + for _, dhash, dtypes, _ in Spec.dependencies_from_node_dict(node): + node_spec._add_dependency(hash_dict[dhash]["node_spec"], dtypes) + if "build_spec" in node.keys(): + _, bhash, _ = Spec.build_spec_from_node_dict(node, hash_type=hash_type) + node_spec._build_spec = hash_dict[bhash]["node_spec"] + + return hash_dict[root_spec_hash]["node_spec"] @staticmethod def from_yaml(stream): @@ -2496,7 +2542,7 @@ class Spec(object): msg = 'cannot validate "{0}" since it was not created ' "using Spec.from_detection".format( self ) - assert isinstance(self.extra_attributes, Mapping), msg + assert isinstance(self.extra_attributes, collections.abc.Mapping), msg # Validate the spec calling a package specific method pkg_cls = spack.repo.path.get_pkg_class(self.name) @@ -4854,7 +4900,7 @@ class Spec(object): return hash(lang.tuplify(self._cmp_iter)) def __reduce__(self): - return _spec_from_dict, (self.to_dict(hash=ht.process_hash),) + return Spec.from_dict, (self.to_dict(hash=ht.process_hash),) def merge_abstract_anonymous_specs(*abstract_specs): @@ -4914,66 +4960,6 @@ def _spec_from_old_dict(data): return spec -# Note: This function has been refactored from being a static method -# of Spec to be a function at the module level. This was needed to -# support its use in __reduce__ to pickle a Spec object in Python 2. -# It can be moved back safely after we drop support for Python 2.7 -def _spec_from_dict(data): - """Construct a spec from YAML. - - Parameters: - data -- a nested dict/list data structure read from YAML or JSON. - """ - if isinstance(data["spec"], list): # Legacy specfile format - return _spec_from_old_dict(data) - - # Current specfile format - nodes = data["spec"]["nodes"] - hash_type = None - any_deps = False - - # Pass 0: Determine hash type - for node in nodes: - if "dependencies" in node.keys(): - any_deps = True - for _, _, _, dhash_type in Spec.dependencies_from_node_dict(node): - if dhash_type: - hash_type = dhash_type - break - - if not any_deps: # If we never see a dependency... - hash_type = ht.dag_hash.name - elif not hash_type: # Seen a dependency, still don't know hash_type - raise spack.error.SpecError( - "Spec dictionary contains malformed " "dependencies. Old format?" - ) - - hash_dict = {} - root_spec_hash = None - - # Pass 1: Create a single lookup dictionary by hash - for i, node in enumerate(nodes): - node_hash = node[hash_type] - node_spec = Spec.from_node_dict(node) - hash_dict[node_hash] = node - hash_dict[node_hash]["node_spec"] = node_spec - if i == 0: - root_spec_hash = node_hash - if not root_spec_hash: - raise spack.error.SpecError("Spec dictionary contains no nodes.") - - # Pass 2: Finish construction of all DAG edges (including build specs) - for node_hash, node in hash_dict.items(): - node_spec = node["node_spec"] - for _, dhash, dtypes, _ in Spec.dependencies_from_node_dict(node): - node_spec._add_dependency(hash_dict[dhash]["node_spec"], dtypes) - if "build_spec" in node.keys(): - _, bhash, _ = Spec.build_spec_from_node_dict(node, hash_type=hash_type) - node_spec._build_spec = hash_dict[bhash]["node_spec"] - - return hash_dict[root_spec_hash]["node_spec"] - - class LazySpecCache(collections.defaultdict): """Cache for Specs that uses a spec_like as key, and computes lazily the corresponding value ``Spec(spec_like``. diff --git a/lib/spack/spack/tag.py b/lib/spack/spack/tag.py index fb019b9c45..fd08883093 100644 --- a/lib/spack/spack/tag.py +++ b/lib/spack/spack/tag.py @@ -5,12 +5,7 @@ """Classes and functions to manage package tags""" import collections import copy -import sys - -if sys.version_info >= (3, 5): - from collections.abc import Mapping # novm -else: - from collections import Mapping +from collections.abc import Mapping import spack.error import spack.util.spack_json as sjson diff --git a/lib/spack/spack/test/cmd/commands.py b/lib/spack/spack/test/cmd/commands.py index da20927589..d972f86d7f 100644 --- a/lib/spack/spack/test/cmd/commands.py +++ b/lib/spack/spack/test/cmd/commands.py @@ -22,9 +22,6 @@ parser = spack.main.make_argument_parser() spack.main.add_all_commands(parser) -@pytest.mark.skipif( - sys.version_info[:2] == (2, 7), reason="Fails as the output contains a warning on Python 2.7" -) def test_names(): """Test default output of spack commands.""" out1 = commands().strip().split("\n") diff --git a/lib/spack/spack/test/cmd/style.py b/lib/spack/spack/test/cmd/style.py index fd727d088e..6738f90cf8 100644 --- a/lib/spack/spack/test/cmd/style.py +++ b/lib/spack/spack/test/cmd/style.py @@ -6,7 +6,6 @@ import filecmp import os import shutil -import sys import pytest @@ -38,12 +37,6 @@ pytestmark = pytest.mark.skipif( not has_develop_branch(), reason="requires git with develop branch" ) -# The style tools have requirements to use newer Python versions. We simplify by -# requiring Python 3.6 or higher to run spack style. -skip_old_python = pytest.mark.skipif( - sys.version_info < (3, 6), reason="requires Python 3.6 or higher" -) - @pytest.fixture(scope="function") def flake8_package(tmpdir): @@ -156,14 +149,6 @@ def test_changed_files_all_files(): assert not any(f.startswith(spack.paths.external_path) for f in files) -@pytest.mark.skipif(sys.version_info >= (3, 6), reason="doesn't apply to newer python") -def test_fail_on_old_python(): - """Ensure that `spack style` runs but fails with older python.""" - output = style(fail_on_error=False) - assert "spack style requires Python 3.6" in output - - -@skip_old_python def test_bad_root(tmpdir): """Ensure that `spack style` doesn't run on non-spack directories.""" output = style("--root", str(tmpdir), fail_on_error=False) @@ -215,7 +200,6 @@ def external_style_root(flake8_package_with_errors, tmpdir): yield tmpdir, py_file -@skip_old_python @pytest.mark.skipif(not which("isort"), reason="isort is not installed.") @pytest.mark.skipif(not which("black"), reason="black is not installed.") def test_fix_style(external_style_root): @@ -235,7 +219,6 @@ def test_fix_style(external_style_root): assert filecmp.cmp(broken_py, fixed_py) -@skip_old_python @pytest.mark.skipif(not which("flake8"), reason="flake8 is not installed.") @pytest.mark.skipif(not which("isort"), reason="isort is not installed.") @pytest.mark.skipif(not which("mypy"), reason="mypy is not installed.") @@ -265,7 +248,6 @@ def test_external_root(external_style_root): assert "lib/spack/spack/dummy.py:7: [F401] 'os' imported but unused" in output -@skip_old_python @pytest.mark.skipif(not which("flake8"), reason="flake8 is not installed.") def test_style(flake8_package, tmpdir): root_relative = os.path.relpath(flake8_package, spack.paths.prefix) @@ -292,7 +274,6 @@ def test_style(flake8_package, tmpdir): assert "spack style checks were clean" in output -@skip_old_python @pytest.mark.skipif(not which("flake8"), reason="flake8 is not installed.") def test_style_with_errors(flake8_package_with_errors): root_relative = os.path.relpath(flake8_package_with_errors, spack.paths.prefix) @@ -304,7 +285,6 @@ def test_style_with_errors(flake8_package_with_errors): assert "spack style found errors" in output -@skip_old_python @pytest.mark.skipif(not which("black"), reason="black is not installed.") @pytest.mark.skipif(not which("flake8"), reason="flake8 is not installed.") def test_style_with_black(flake8_package_with_errors): @@ -314,7 +294,6 @@ def test_style_with_black(flake8_package_with_errors): assert "spack style found errors" in output -@skip_old_python def test_skip_tools(): output = style("--skip", "isort,mypy,black,flake8") assert "Nothing to run" in output diff --git a/lib/spack/spack/test/compilers/basics.py b/lib/spack/spack/test/compilers/basics.py index 6405acc7d1..4e03c9a288 100644 --- a/lib/spack/spack/test/compilers/basics.py +++ b/lib/spack/spack/test/compilers/basics.py @@ -84,7 +84,6 @@ def test_all_compilers(config): assert len(filtered) == 1 -@pytest.mark.skipif(sys.version_info[0] == 2, reason="make_args_for_version requires python 3") @pytest.mark.parametrize( "input_version,expected_version,expected_error", [(None, None, "Couldn't get version for compiler /usr/bin/gcc"), ("4.9", "4.9", None)], diff --git a/lib/spack/spack/test/concretize.py b/lib/spack/spack/test/concretize.py index f2d7edf126..9afbf8f45b 100644 --- a/lib/spack/spack/test/concretize.py +++ b/lib/spack/spack/test/concretize.py @@ -840,7 +840,6 @@ class TestConcretize(object): ("py-extension3@1.0 ^python@3.5.1", ["patchelf@0.10"], []), ], ) - @pytest.mark.skipif(sys.version_info[:2] == (3, 5), reason="Known failure with Python3.5") def test_conditional_dependencies(self, spec_str, expected, unexpected): s = Spec(spec_str).concretized() @@ -955,7 +954,6 @@ class TestConcretize(object): assert s.satisfies("^cumulative-vrange-bottom@2.2") @pytest.mark.regression("9937") - @pytest.mark.skipif(sys.version_info[:2] == (3, 5), reason="Known failure with Python3.5") def test_dependency_conditional_on_another_dependency_state(self): root_str = "variant-on-dependency-condition-root" dep_str = "variant-on-dependency-condition-a" @@ -1225,9 +1223,6 @@ class TestConcretize(object): second_spec.concretize() assert first_spec.dag_hash() != second_spec.dag_hash() - @pytest.mark.skipif( - sys.version_info[:2] == (2, 7), reason="Fixture fails intermittently with Python 2.7" - ) @pytest.mark.regression("20292") @pytest.mark.parametrize( "context", @@ -1552,9 +1547,6 @@ class TestConcretize(object): s = Spec("python target=k10").concretized() assert s.satisfies("target=k10") - @pytest.mark.skipif( - sys.version_info[:2] == (2, 7), reason="Fixture fails intermittently with Python 2.7" - ) @pytest.mark.regression("29201") def test_delete_version_and_reuse(self, mutable_database, repo_with_changing_recipe): """Test that we can reuse installed specs with versions not @@ -1573,9 +1565,6 @@ class TestConcretize(object): assert root.dag_hash() == new_root.dag_hash() @pytest.mark.regression("29201") - @pytest.mark.skipif( - sys.version_info[:2] == (2, 7), reason="Fixture fails intermittently with Python 2.7" - ) def test_installed_version_is_selected_only_for_reuse( self, mutable_database, repo_with_changing_recipe ): @@ -1841,9 +1830,6 @@ class TestConcretize(object): s.concretized() @pytest.mark.regression("31484") - @pytest.mark.skipif( - sys.version_info[:2] == (2, 7), reason="Fixture fails intermittently with Python 2.7" - ) def test_installed_externals_are_reused(self, mutable_database, repo_with_changing_recipe): """Test that external specs that are in the DB can be reused.""" if spack.config.get("config:concretizer") == "original": diff --git a/lib/spack/spack/test/graph.py b/lib/spack/spack/test/graph.py index 60d041d60b..dc7181538e 100644 --- a/lib/spack/spack/test/graph.py +++ b/lib/spack/spack/test/graph.py @@ -79,7 +79,6 @@ def test_dynamic_dot_graph_mpileaks(mock_packages, config): assert ' "{0}" -> "{1}"\n'.format(hashes[parent], hashes[child]) in dot -@pytest.mark.skipif(sys.version_info < (3, 6), reason="Ordering might not be consistent") def test_ascii_graph_mpileaks(config, mock_packages, monkeypatch): monkeypatch.setattr(spack.graph.AsciiGraph, "_node_label", lambda self, node: node.name) s = spack.spec.Spec("mpileaks").concretized() diff --git a/lib/spack/spack/test/llnl/util/filesystem.py b/lib/spack/spack/test/llnl/util/filesystem.py index 4950558db6..7999726dd2 100644 --- a/lib/spack/spack/test/llnl/util/filesystem.py +++ b/lib/spack/spack/test/llnl/util/filesystem.py @@ -498,9 +498,7 @@ def test_filter_files_with_different_encodings(regex, replacement, filename, tmp # This should not raise exceptions fs.filter_file(regex, replacement, target_file, **keyword_args) # Check the strings have been replaced - extra_kwargs = {} - if sys.version_info > (3, 0): - extra_kwargs = {"errors": "surrogateescape"} + extra_kwargs = {"errors": "surrogateescape"} with open(target_file, mode="r", **extra_kwargs) as f: assert replacement in f.read() @@ -518,9 +516,7 @@ def test_filter_files_multiple(tmpdir): fs.filter_file(r"\<string.h\>", "<unistd.h>", target_file) fs.filter_file(r"\<stdio.h\>", "<unistd.h>", target_file) # Check the strings have been replaced - extra_kwargs = {} - if sys.version_info > (3, 0): - extra_kwargs = {"errors": "surrogateescape"} + extra_kwargs = {"errors": "surrogateescape"} with open(target_file, mode="r", **extra_kwargs) as f: assert "<malloc.h>" not in f.read() diff --git a/lib/spack/spack/test/llnl/util/tty/log.py b/lib/spack/spack/test/llnl/util/tty/log.py index 333088b6af..24171ecc11 100644 --- a/lib/spack/spack/test/llnl/util/tty/log.py +++ b/lib/spack/spack/test/llnl/util/tty/log.py @@ -72,11 +72,7 @@ def test_log_python_output_with_invalid_utf8(capfd, tmpdir): with log.log_output("foo.txt"): sys.stdout.buffer.write(b"\xc3\x28\n") - # python2 and 3 treat invalid UTF-8 differently - if sys.version_info.major == 2: - expected = b"\xc3(\n" - else: - expected = b"<line lost: output was not encoded as UTF-8>\n" + expected = b"<line lost: output was not encoded as UTF-8>\n" with open("foo.txt", "rb") as f: written = f.read() assert written == expected @@ -465,7 +461,6 @@ def mock_shell_v_v_no_termios(proc, ctl, **kwargs): def test_foreground_background_output(test_fn, capfd, termios_on_or_off, tmpdir): """Tests hitting 'v' toggles output, and that force_echo works.""" if sys.version_info >= (3, 8) and sys.platform == "darwin" and termios_on_or_off == no_termios: - return shell = pty.PseudoShell(test_fn, synchronized_logger) diff --git a/lib/spack/spack/test/repo.py b/lib/spack/spack/test/repo.py index 402723d226..a22a431173 100644 --- a/lib/spack/spack/test/repo.py +++ b/lib/spack/spack/test/repo.py @@ -3,7 +3,6 @@ # # SPDX-License-Identifier: (Apache-2.0 OR MIT) import os -import sys import pytest @@ -56,9 +55,6 @@ def test_repo_unknown_pkg(mutable_mock_repo): @pytest.mark.maybeslow -@pytest.mark.skipif( - sys.version_info < (3, 5), reason="Test started failing spuriously on Python 2.7" -) def test_repo_last_mtime(): latest_mtime = max( os.path.getmtime(p.module.__file__) for p in spack.repo.path.all_package_classes() diff --git a/lib/spack/spack/test/schema.py b/lib/spack/spack/test/schema.py index 214a2e52fd..4623823609 100644 --- a/lib/spack/spack/test/schema.py +++ b/lib/spack/spack/test/schema.py @@ -5,7 +5,6 @@ import json import os.path -import sys import jsonschema import pytest @@ -87,9 +86,6 @@ def test_module_suffixes(module_suffixes_schema): @pytest.mark.regression("10246") -@pytest.mark.skipif( - sys.version_info < (2, 7), reason="requires python2.7 or higher because of importlib" -) @pytest.mark.parametrize( "config_name", ["compilers", "config", "env", "merged", "mirrors", "modules", "packages", "repos"], diff --git a/lib/spack/spack/test/spec_semantics.py b/lib/spack/spack/test/spec_semantics.py index e2cbf706da..811f35b1d7 100644 --- a/lib/spack/spack/test/spec_semantics.py +++ b/lib/spack/spack/test/spec_semantics.py @@ -3,8 +3,6 @@ # # SPDX-License-Identifier: (Apache-2.0 OR MIT) -import sys - import pytest import spack.directives @@ -894,7 +892,6 @@ class TestSpecSematics(object): with pytest.raises(spack.variant.InvalidVariantValueCombinationError): Spec("multivalue-variant foo=*,bar") - @pytest.mark.skipif(sys.version_info[0] == 2, reason="__wrapped__ requires python 3") def test_errors_in_variant_directive(self): variant = spack.directives.variant.__wrapped__ diff --git a/lib/spack/spack/test/spec_yaml.py b/lib/spack/spack/test/spec_yaml.py index b69c0a1d9a..b939674550 100644 --- a/lib/spack/spack/test/spec_yaml.py +++ b/lib/spack/spack/test/spec_yaml.py @@ -12,13 +12,12 @@ from __future__ import print_function import ast import collections +import collections.abc import inspect import os import pytest -from llnl.util.compat import Iterable, Mapping - import spack.hash_types as ht import spack.paths import spack.repo @@ -148,12 +147,12 @@ def test_using_ordered_dict(mock_packages): """ def descend_and_check(iterable, level=0): - if isinstance(iterable, Mapping): + if isinstance(iterable, collections.abc.Mapping): assert isinstance(iterable, syaml_dict) return descend_and_check(iterable.values(), level=level + 1) max_level = level for value in iterable: - if isinstance(value, Iterable) and not isinstance(value, str): + if isinstance(value, collections.abc.Iterable) and not isinstance(value, str): nlevel = descend_and_check(value, level=level + 1) if nlevel > max_level: max_level = nlevel diff --git a/lib/spack/spack/test/util/executable.py b/lib/spack/spack/test/util/executable.py index 8d360ea4e9..ea254f5634 100644 --- a/lib/spack/spack/test/util/executable.py +++ b/lib/spack/spack/test/util/executable.py @@ -31,10 +31,6 @@ def test_read_unicode(tmpdir, working_env): f.write( """#!{0} from __future__ import print_function -import sys -if sys.version_info < (3, 0, 0): - reload(sys) - sys.setdefaultencoding('utf8') print(u'\\xc3') """.format( sys.executable @@ -45,7 +41,7 @@ print(u'\\xc3') fs.set_executable(script_name) filter_shebangs_in_directory(".", [script_name]) - assert u"\xc3" == script(output=str).strip() + assert "\xc3" == script(output=str).strip() def test_which_relative_path_with_slash(tmpdir, working_env): diff --git a/lib/spack/spack/util/crypto.py b/lib/spack/spack/util/crypto.py index 5595d15cd3..69004ae8a2 100644 --- a/lib/spack/spack/util/crypto.py +++ b/lib/spack/spack/util/crypto.py @@ -4,7 +4,6 @@ # SPDX-License-Identifier: (Apache-2.0 OR MIT) import hashlib -import sys from typing import Any, Callable, Dict # novm import llnl.util.tty as tty @@ -82,7 +81,7 @@ def checksum(hashlib_algo, filename, **kwargs): """Returns a hex digest of the filename generated using an algorithm from hashlib. """ - block_size = kwargs.get("block_size", 2 ** 20) + block_size = kwargs.get("block_size", 2**20) hasher = hashlib_algo() with open(filename, "rb") as file: while True: @@ -116,7 +115,7 @@ class Checker(object): """ def __init__(self, hexdigest, **kwargs): - self.block_size = kwargs.get("block_size", 2 ** 20) + self.block_size = kwargs.get("block_size", 2**20) self.hexdigest = hexdigest self.sum = None self.hash_fun = hash_fun_for_digest(hexdigest) @@ -137,11 +136,7 @@ class Checker(object): def prefix_bits(byte_array, bits): """Return the first <bits> bits of a byte array as an integer.""" - if sys.version_info < (3,): - b2i = ord # In Python 2, indexing byte_array gives str - else: - b2i = lambda b: b # In Python 3, indexing byte_array gives int - + b2i = lambda b: b # In Python 3, indexing byte_array gives int result = 0 n = 0 for i, b in enumerate(byte_array): diff --git a/lib/spack/spack/util/elf.py b/lib/spack/spack/util/elf.py index 0b2e5a4e71..e93a107d67 100644 --- a/lib/spack/spack/util/elf.py +++ b/lib/spack/spack/util/elf.py @@ -6,7 +6,6 @@ import bisect import re import struct -import sys from collections import namedtuple from struct import calcsize, unpack, unpack_from @@ -94,12 +93,6 @@ class ELF_CONSTANTS: SHT_STRTAB = 3 -def get_byte_at(byte_array, idx): - if sys.version_info[0] < 3: - return ord(byte_array[idx]) - return byte_array[idx] - - class ElfFile(object): """Parsed ELF file.""" @@ -381,7 +374,7 @@ def parse_header(f, elf): raise ElfParsingError("Not an ELF file") # Defensively require a valid class and data. - e_ident_class, e_ident_data = get_byte_at(e_ident, 4), get_byte_at(e_ident, 5) + e_ident_class, e_ident_data = e_ident[4], e_ident[5] if e_ident_class not in (ELF_CONSTANTS.CLASS32, ELF_CONSTANTS.CLASS64): raise ElfParsingError("Invalid class found") @@ -453,8 +446,7 @@ def get_rpaths(path): # If it does, split the string in components rpath = elf.dt_rpath_str - if sys.version_info[0] >= 3: - rpath = rpath.decode("utf-8") + rpath = rpath.decode("utf-8") return rpath.split(":") diff --git a/lib/spack/spack/util/hash.py b/lib/spack/spack/util/hash.py index 929c97977c..b8a55524ea 100644 --- a/lib/spack/spack/util/hash.py +++ b/lib/spack/spack/util/hash.py @@ -5,7 +5,6 @@ import base64 import hashlib -import sys import spack.util.crypto @@ -14,10 +13,7 @@ def b32_hash(content): """Return the b32 encoded sha1 hash of the input string as a string.""" sha = hashlib.sha1(content.encode("utf-8")) b32_hash = base64.b32encode(sha.digest()).lower() - - if sys.version_info[0] >= 3: - b32_hash = b32_hash.decode("utf-8") - + b32_hash = b32_hash.decode("utf-8") return b32_hash diff --git a/lib/spack/spack/util/module_cmd.py b/lib/spack/spack/util/module_cmd.py index 007861085a..f83af678a3 100644 --- a/lib/spack/spack/util/module_cmd.py +++ b/lib/spack/spack/util/module_cmd.py @@ -10,7 +10,6 @@ parsing environment modules. import os import re import subprocess -import sys import llnl.util.tty as tty @@ -50,10 +49,7 @@ def module(*args, **kwargs): # Update os.environ with new dict os.environ.clear() - if sys.version_info >= (3, 2): - os.environb.update(environ) # novermin - else: - os.environ.update(environ) + os.environb.update(environ) # novermin else: # Simply execute commands that don't change state and return output diff --git a/lib/spack/spack/util/pattern.py b/lib/spack/spack/util/pattern.py index 6732fbf945..7d689d3c50 100644 --- a/lib/spack/spack/util/pattern.py +++ b/lib/spack/spack/util/pattern.py @@ -2,12 +2,10 @@ # Spack Project Developers. See the top-level COPYRIGHT file for details. # # SPDX-License-Identifier: (Apache-2.0 OR MIT) - +import collections.abc import functools import inspect -from llnl.util.compat import MutableSequence - class Delegate(object): def __init__(self, name, container): @@ -38,7 +36,7 @@ def composite(interface=None, method_list=None, container=list): non-special methods will be taken into account method_list (list): names of methods that should be part of the composite - container (MutableSequence): container for the composite object + container (collections.abc.MutableSequence): container for the composite object (default = list). Must fulfill the MutableSequence contract. The composite class will expose the container API to manage object composition @@ -52,7 +50,7 @@ def composite(interface=None, method_list=None, container=list): # exception if it doesn't. The patched class returned by the decorator will # inherit from the container class to expose the interface needed to manage # objects composition - if not issubclass(container, MutableSequence): + if not issubclass(container, collections.abc.MutableSequence): raise TypeError("Container must fulfill the MutableSequence contract") # Check if at least one of the 'interface' or the 'method_list' arguments diff --git a/lib/spack/spack/util/spack_yaml.py b/lib/spack/spack/util/spack_yaml.py index a6c2a5660c..88bd4b45a6 100644 --- a/lib/spack/spack/util/spack_yaml.py +++ b/lib/spack/spack/util/spack_yaml.py @@ -13,6 +13,7 @@ """ import collections +import collections.abc import ctypes import re from typing import List # novm @@ -21,7 +22,6 @@ import ruamel.yaml as yaml from ruamel.yaml import RoundTripDumper, RoundTripLoader from six import StringIO, string_types -from llnl.util.compat import Mapping from llnl.util.tty.color import cextra, clen, colorize import spack.error @@ -352,7 +352,7 @@ def sorted_dict(dict_like): """ result = syaml_dict(sorted(dict_like.items())) for key, value in result.items(): - if isinstance(value, Mapping): + if isinstance(value, collections.abc.Mapping): result[key] = sorted_dict(value) return result diff --git a/lib/spack/spack/util/web.py b/lib/spack/spack/util/web.py index 939ec669c0..9d8588c2b9 100644 --- a/lib/spack/spack/util/web.py +++ b/lib/spack/spack/util/web.py @@ -15,6 +15,7 @@ import shutil import ssl import sys import traceback +from html.parser import HTMLParser import six from six.moves.urllib.error import URLError @@ -39,16 +40,10 @@ from spack.util.path import convert_to_posix_path #: User-Agent used in Request objects SPACK_USER_AGENT = "Spackbot/{0}".format(spack.spack_version) -if sys.version_info < (3, 0): - # Python 2 had these in the HTMLParser package. - from HTMLParser import HTMLParseError, HTMLParser # novm -else: - # In Python 3, things moved to html.parser - from html.parser import HTMLParser - # Also, HTMLParseError is deprecated and never raised. - class HTMLParseError(Exception): - pass +# Also, HTMLParseError is deprecated and never raised. +class HTMLParseError(Exception): + pass class LinkParser(HTMLParser): @@ -676,11 +671,6 @@ def spider(root_urls, depth=0, concurrency=32): except HTMLParseError as e: # This error indicates that Python's HTML parser sucks. msg = "Got an error parsing HTML." - - # Pre-2.7.3 Pythons in particular have rather prickly HTML parsing. - if sys.version_info[:3] < (2, 7, 3): - msg += " Use Python 2.7.3 or newer for better HTML parsing." - tty.warn(msg, url, "HTMLParseError: " + str(e)) except Exception as e: diff --git a/lib/spack/spack/variant.py b/lib/spack/spack/variant.py index cfb43cfc70..b006ae985e 100644 --- a/lib/spack/spack/variant.py +++ b/lib/spack/spack/variant.py @@ -6,7 +6,7 @@ """The variant module contains data structures that are needed to manage variants both in packages and in specs. """ - +import collections.abc import functools import inspect import itertools @@ -17,7 +17,6 @@ from six import StringIO import llnl.util.lang as lang import llnl.util.tty.color -from llnl.util.compat import Sequence import spack.directives import spack.error as error @@ -712,7 +711,7 @@ def substitute_abstract_variants(spec): # The class below inherit from Sequence to disguise as a tuple and comply # with the semantic expected by the 'values' argument of the variant directive -class DisjointSetsOfValues(Sequence): +class DisjointSetsOfValues(collections.abc.Sequence): """Allows combinations from one of many mutually exclusive sets. The value ``('none',)`` is reserved to denote the empty set diff --git a/lib/spack/spack_installable/main.py b/lib/spack/spack_installable/main.py index 4a4001b999..7b4c40b8d9 100644 --- a/lib/spack/spack_installable/main.py +++ b/lib/spack/spack_installable/main.py @@ -1,3 +1,7 @@ +# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other +# Spack Project Developers. See the top-level COPYRIGHT file for details. +# +# SPDX-License-Identifier: (Apache-2.0 OR MIT) import os import sys from os.path import dirname as dn @@ -14,10 +18,6 @@ def main(argv=None): # Add external libs spack_external_libs = os.path.join(spack_lib_path, "external") - - if sys.version_info[:2] <= (2, 7): - sys.path.insert(0, os.path.join(spack_external_libs, "py2")) - sys.path.insert(0, spack_external_libs) # Here we delete ruamel.yaml in case it has been already imported from site # (see #9206 for a broader description of the issue). @@ -31,29 +31,6 @@ def main(argv=None): if "ruamel" in sys.modules: del sys.modules["ruamel"] - # The following code is here to avoid failures when updating - # the develop version, due to spurious argparse.pyc files remaining - # in the libs/spack/external directory, see: - # https://github.com/spack/spack/pull/25376 - # TODO: Remove in v0.18.0 or later - try: - import argparse # noqa: F401 - except ImportError: - argparse_pyc = os.path.join(spack_external_libs, "argparse.pyc") - if not os.path.exists(argparse_pyc): - raise - try: - os.remove(argparse_pyc) - import argparse # noqa: F401 - except Exception: - msg = ( - "The file\n\n\t{0}\n\nis corrupted and cannot be deleted by Spack. " - "Either delete it manually or ask some administrator to " - "delete it for you." - ) - print(msg.format(argparse_pyc)) - sys.exit(1) - import spack.main # noqa: E402 sys.exit(spack.main.main(argv)) diff --git a/pyproject.toml b/pyproject.toml index 30b621dec4..512d48546e 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -71,7 +71,7 @@ features = [ [tool.black] line-length = 99 -target-version = ['py27', 'py35', 'py36', 'py37', 'py38', 'py39', 'py310'] +target-version = ['py36', 'py37', 'py38', 'py39', 'py310'] include = ''' \.pyi?$ ''' diff --git a/var/spack/repos/builtin/packages/libpng/package.py b/var/spack/repos/builtin/packages/libpng/package.py index eb3b10a2d9..6dd83d732f 100644 --- a/var/spack/repos/builtin/packages/libpng/package.py +++ b/var/spack/repos/builtin/packages/libpng/package.py @@ -31,8 +31,8 @@ class Libpng(AutotoolsPackage): # not honored, see # https://sourceforge.net/p/libpng/bugs/210/#33f1 # '--with-zlib=' + self.spec['zlib'].prefix, - "CPPFLAGS={0}".format(self.spec["zlib"].headers.include_flags), - "LDFLAGS={0}".format(self.spec["zlib"].libs.search_flags), + f"CPPFLAGS={self.spec['zlib'].headers.include_flags}", + f"LDFLAGS={self.spec['zlib'].libs.search_flags}", ] return args |