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Diffstat (limited to 'lib/spack/external/pyqver2.py')
| -rwxr-xr-x | lib/spack/external/pyqver2.py | 344 |
1 files changed, 0 insertions, 344 deletions
diff --git a/lib/spack/external/pyqver2.py b/lib/spack/external/pyqver2.py deleted file mode 100755 index 07b191425b..0000000000 --- a/lib/spack/external/pyqver2.py +++ /dev/null @@ -1,344 +0,0 @@ -#!/usr/bin/env python -# -# pyqver2.py -# by Greg Hewgill -# https://github.com/ghewgill/pyqver -# -# This software is provided 'as-is', without any express or implied -# warranty. In no event will the author be held liable for any damages -# arising from the use of this software. -# -# Permission is granted to anyone to use this software for any purpose, -# including commercial applications, and to alter it and redistribute it -# freely, subject to the following restrictions: -# -# 1. The origin of this software must not be misrepresented; you must not -# claim that you wrote the original software. If you use this software -# in a product, an acknowledgment in the product documentation would be -# appreciated but is not required. -# 2. Altered source versions must be plainly marked as such, and must not be -# misrepresented as being the original software. -# 3. This notice may not be removed or altered from any source distribution. -# -# Copyright (c) 2009-2013 Greg Hewgill http://hewgill.com -# - -import compiler -import platform -import sys - -StandardModules = { - "__future__": (2, 1), - "abc": (2, 6), -# skip argparse now that it's in lib/spack/external -# "argparse": (2, 7), - "ast": (2, 6), - "atexit": (2, 0), - "bz2": (2, 3), - "cgitb": (2, 2), - "collections": (2, 4), - "contextlib": (2, 5), - "cookielib": (2, 4), - "cProfile": (2, 5), - "csv": (2, 3), - "ctypes": (2, 5), - "datetime": (2, 3), - "decimal": (2, 4), - "difflib": (2, 1), - "DocXMLRPCServer": (2, 3), - "dummy_thread": (2, 3), - "dummy_threading": (2, 3), - "email": (2, 2), - "fractions": (2, 6), - "functools": (2, 5), - "future_builtins": (2, 6), - "hashlib": (2, 5), - "heapq": (2, 3), - "hmac": (2, 2), - "hotshot": (2, 2), - "HTMLParser": (2, 2), - "importlib": (2, 7), - "inspect": (2, 1), - "io": (2, 6), - "itertools": (2, 3), - "json": (2, 6), - "logging": (2, 3), - "modulefinder": (2, 3), - "msilib": (2, 5), - "multiprocessing": (2, 6), - "netrc": (1, 5, 2), - "numbers": (2, 6), - "optparse": (2, 3), - "ossaudiodev": (2, 3), - "pickletools": (2, 3), - "pkgutil": (2, 3), - "platform": (2, 3), - "pydoc": (2, 1), - "runpy": (2, 5), - "sets": (2, 3), - "shlex": (1, 5, 2), - "SimpleXMLRPCServer": (2, 2), - "spwd": (2, 5), - "sqlite3": (2, 5), - "ssl": (2, 6), - "stringprep": (2, 3), - "subprocess": (2, 4), - "sysconfig": (2, 7), - "tarfile": (2, 3), - "textwrap": (2, 3), - "timeit": (2, 3), - "unittest": (2, 1), - "uuid": (2, 5), - "warnings": (2, 1), - "weakref": (2, 1), - "winsound": (1, 5, 2), - "wsgiref": (2, 5), - "xml.dom": (2, 0), - "xml.dom.minidom": (2, 0), - "xml.dom.pulldom": (2, 0), - "xml.etree.ElementTree": (2, 5), - "xml.parsers.expat":(2, 0), - "xml.sax": (2, 0), - "xml.sax.handler": (2, 0), - "xml.sax.saxutils": (2, 0), - "xml.sax.xmlreader":(2, 0), - "xmlrpclib": (2, 2), - "zipfile": (1, 6), - "zipimport": (2, 3), - "_ast": (2, 5), - "_winreg": (2, 0), -} - -Functions = { - "all": (2, 5), - "any": (2, 5), - "collections.Counter": (2, 7), - "collections.defaultdict": (2, 5), - "collections.OrderedDict": (2, 7), - "functools.total_ordering": (2, 7), - "enumerate": (2, 3), - "frozenset": (2, 4), - "itertools.compress": (2, 7), - "math.erf": (2, 7), - "math.erfc": (2, 7), - "math.expm1": (2, 7), - "math.gamma": (2, 7), - "math.lgamma": (2, 7), - "memoryview": (2, 7), - "next": (2, 6), - "os.getresgid": (2, 7), - "os.getresuid": (2, 7), - "os.initgroups": (2, 7), - "os.setresgid": (2, 7), - "os.setresuid": (2, 7), - "reversed": (2, 4), - "set": (2, 4), - "subprocess.check_call": (2, 5), - "subprocess.check_output": (2, 7), - "sum": (2, 3), - "symtable.is_declared_global": (2, 7), - "weakref.WeakSet": (2, 7), -} - -Identifiers = { - "False": (2, 2), - "True": (2, 2), -} - -def uniq(a): - if len(a) == 0: - return [] - else: - return [a[0]] + uniq([x for x in a if x != a[0]]) - -class NodeChecker(object): - def __init__(self): - self.vers = dict() - self.vers[(2,0)] = [] - def add(self, node, ver, msg): - if ver not in self.vers: - self.vers[ver] = [] - self.vers[ver].append((node.lineno, msg)) - def default(self, node): - for child in node.getChildNodes(): - self.visit(child) - def visitCallFunc(self, node): - def rollup(n): - if isinstance(n, compiler.ast.Name): - return n.name - elif isinstance(n, compiler.ast.Const): - return type(n.value).__name__ - elif isinstance(n, compiler.ast.Getattr): - r = rollup(n.expr) - if r: - return r + "." + n.attrname - name = rollup(node.node) - if name: - # Special handling for empty format strings, which aren't - # allowed in Python 2.6 - if name in ('unicode.format', 'str.format'): - n = node.node - if isinstance(n, compiler.ast.Getattr): - n = n.expr - if isinstance(n, compiler.ast.Const): - if '{}' in n.value: - self.add(node, (2,7), name + ' with {} format string') - - v = Functions.get(name) - if v is not None: - self.add(node, v, name) - self.default(node) - def visitClass(self, node): - if node.bases: - self.add(node, (2,2), "new-style class") - if node.decorators: - self.add(node, (2,6), "class decorator") - self.default(node) - def visitDictComp(self, node): - self.add(node, (2,7), "dictionary comprehension") - self.default(node) - def visitFloorDiv(self, node): - self.add(node, (2,2), "// operator") - self.default(node) - def visitFrom(self, node): - v = StandardModules.get(node.modname) - if v is not None: - self.add(node, v, node.modname) - for n in node.names: - name = node.modname + "." + n[0] - v = Functions.get(name) - if v is not None: - self.add(node, v, name) - def visitFunction(self, node): - if node.decorators: - self.add(node, (2,4), "function decorator") - self.default(node) - def visitGenExpr(self, node): - self.add(node, (2,4), "generator expression") - self.default(node) - def visitGetattr(self, node): - if (isinstance(node.expr, compiler.ast.Const) - and isinstance(node.expr.value, str) - and node.attrname == "format"): - self.add(node, (2,6), "string literal .format()") - self.default(node) - def visitIfExp(self, node): - self.add(node, (2,5), "inline if expression") - self.default(node) - def visitImport(self, node): - for n in node.names: - v = StandardModules.get(n[0]) - if v is not None: - self.add(node, v, n[0]) - self.default(node) - def visitName(self, node): - v = Identifiers.get(node.name) - if v is not None: - self.add(node, v, node.name) - self.default(node) - def visitSet(self, node): - self.add(node, (2,7), "set literal") - self.default(node) - def visitSetComp(self, node): - self.add(node, (2,7), "set comprehension") - self.default(node) - def visitTryFinally(self, node): - # try/finally with a suite generates a Stmt node as the body, - # but try/except/finally generates a TryExcept as the body - if isinstance(node.body, compiler.ast.TryExcept): - self.add(node, (2,5), "try/except/finally") - self.default(node) - def visitWith(self, node): - if isinstance(node.body, compiler.ast.With): - self.add(node, (2,7), "with statement with multiple contexts") - else: - self.add(node, (2,5), "with statement") - self.default(node) - def visitYield(self, node): - self.add(node, (2,2), "yield expression") - self.default(node) - -def get_versions(source, filename=None): - """Return information about the Python versions required for specific features. - - The return value is a dictionary with keys as a version number as a tuple - (for example Python 2.6 is (2,6)) and the value are a list of features that - require the indicated Python version. - """ - tree = compiler.parse(source) - checker = compiler.walk(tree, NodeChecker()) - return checker.vers - -def v27(source): - if sys.version_info >= (2, 7): - return qver(source) - else: - print >>sys.stderr, "Not all features tested, run --test with Python 2.7" - return (2, 7) - -def qver(source): - """Return the minimum Python version required to run a particular bit of code. - - >>> qver('print "hello world"') - (2, 0) - >>> qver('class test(object): pass') - (2, 2) - >>> qver('yield 1') - (2, 2) - >>> qver('a // b') - (2, 2) - >>> qver('True') - (2, 2) - >>> qver('enumerate(a)') - (2, 3) - >>> qver('total = sum') - (2, 0) - >>> qver('sum(a)') - (2, 3) - >>> qver('(x*x for x in range(5))') - (2, 4) - >>> qver('class C:\\n @classmethod\\n def m(): pass') - (2, 4) - >>> qver('y if x else z') - (2, 5) - >>> qver('import hashlib') - (2, 5) - >>> qver('from hashlib import md5') - (2, 5) - >>> qver('import xml.etree.ElementTree') - (2, 5) - >>> qver('try:\\n try: pass;\\n except: pass;\\nfinally: pass') - (2, 0) - >>> qver('try: pass;\\nexcept: pass;\\nfinally: pass') - (2, 5) - >>> qver('from __future__ import with_statement\\nwith x: pass') - (2, 5) - >>> qver('collections.defaultdict(list)') - (2, 5) - >>> qver('from collections import defaultdict') - (2, 5) - >>> qver('"{0}".format(0)') - (2, 6) - >>> qver('memoryview(x)') - (2, 7) - >>> v27('{1, 2, 3}') - (2, 7) - >>> v27('{x for x in s}') - (2, 7) - >>> v27('{x: y for x in s}') - (2, 7) - >>> qver('from __future__ import with_statement\\nwith x:\\n with y: pass') - (2, 5) - >>> v27('from __future__ import with_statement\\nwith x, y: pass') - (2, 7) - >>> qver('@decorator\\ndef f(): pass') - (2, 4) - >>> qver('@decorator\\nclass test:\\n pass') - (2, 6) - - #>>> qver('0o0') - #(2, 6) - #>>> qver('@foo\\nclass C: pass') - #(2, 6) - """ - return max(get_versions(source).keys()) |