diff options
Diffstat (limited to 'lib/spack/external/_pytest/helpconfig.py')
| -rw-r--r-- | lib/spack/external/_pytest/helpconfig.py | 82 |
1 files changed, 61 insertions, 21 deletions
diff --git a/lib/spack/external/_pytest/helpconfig.py b/lib/spack/external/_pytest/helpconfig.py index 6e66b11c48..e744637f86 100644 --- a/lib/spack/external/_pytest/helpconfig.py +++ b/lib/spack/external/_pytest/helpconfig.py @@ -1,25 +1,61 @@ """ version info, help messages, tracing configuration. """ +from __future__ import absolute_import, division, print_function + import py import pytest -import os, sys +from _pytest.config import PrintHelp +import os +import sys +from argparse import Action + + +class HelpAction(Action): + """This is an argparse Action that will raise an exception in + order to skip the rest of the argument parsing when --help is passed. + This prevents argparse from quitting due to missing required arguments + when any are defined, for example by ``pytest_addoption``. + This is similar to the way that the builtin argparse --help option is + implemented by raising SystemExit. + """ + + def __init__(self, + option_strings, + dest=None, + default=False, + help=None): + super(HelpAction, self).__init__( + option_strings=option_strings, + dest=dest, + const=True, + default=default, + nargs=0, + help=help) + + def __call__(self, parser, namespace, values, option_string=None): + setattr(namespace, self.dest, self.const) + + # We should only skip the rest of the parsing after preparse is done + if getattr(parser._parser, 'after_preparse', False): + raise PrintHelp + def pytest_addoption(parser): group = parser.getgroup('debugconfig') group.addoption('--version', action="store_true", - help="display pytest lib version and import information.") - group._addoption("-h", "--help", action="store_true", dest="help", - help="show help message and configuration info") - group._addoption('-p', action="append", dest="plugins", default = [], - metavar="name", - help="early-load given plugin (multi-allowed). " - "To avoid loading of plugins, use the `no:` prefix, e.g. " - "`no:doctest`.") + help="display pytest lib version and import information.") + group._addoption("-h", "--help", action=HelpAction, dest="help", + help="show help message and configuration info") + group._addoption('-p', action="append", dest="plugins", default=[], + metavar="name", + help="early-load given plugin (multi-allowed). " + "To avoid loading of plugins, use the `no:` prefix, e.g. " + "`no:doctest`.") group.addoption('--traceconfig', '--trace-config', - action="store_true", default=False, - help="trace considerations of conftest.py files."), + action="store_true", default=False, + help="trace considerations of conftest.py files."), group.addoption('--debug', - action="store_true", dest="debug", default=False, - help="store internal tracing debug information in 'pytestdebug.log'.") + action="store_true", dest="debug", default=False, + help="store internal tracing debug information in 'pytestdebug.log'.") group._addoption( '-o', '--override-ini', nargs='*', dest="override_ini", action="append", @@ -34,10 +70,10 @@ def pytest_cmdline_parse(): path = os.path.abspath("pytestdebug.log") debugfile = open(path, 'w') debugfile.write("versions pytest-%s, py-%s, " - "python-%s\ncwd=%s\nargs=%s\n\n" %( - pytest.__version__, py.__version__, - ".".join(map(str, sys.version_info)), - os.getcwd(), config._origargs)) + "python-%s\ncwd=%s\nargs=%s\n\n" % ( + pytest.__version__, py.__version__, + ".".join(map(str, sys.version_info)), + os.getcwd(), config._origargs)) config.trace.root.setwriter(debugfile.write) undo_tracing = config.pluginmanager.enable_tracing() sys.stderr.write("writing pytestdebug information to %s\n" % path) @@ -51,11 +87,12 @@ def pytest_cmdline_parse(): config.add_cleanup(unset_tracing) + def pytest_cmdline_main(config): if config.option.version: p = py.path.local(pytest.__file__) sys.stderr.write("This is pytest version %s, imported from %s\n" % - (pytest.__version__, p)) + (pytest.__version__, p)) plugininfo = getpluginversioninfo(config) if plugininfo: for line in plugininfo: @@ -67,6 +104,7 @@ def pytest_cmdline_main(config): config._ensure_unconfigure() return 0 + def showhelp(config): reporter = config.pluginmanager.get_plugin('terminalreporter') tw = reporter._tw @@ -82,7 +120,7 @@ def showhelp(config): if type is None: type = "string" spec = "%s (%s)" % (name, type) - line = " %-24s %s" %(spec, help) + line = " %-24s %s" % (spec, help) tw.line(line[:tw.fullwidth]) tw.line() @@ -111,6 +149,7 @@ conftest_options = [ ('pytest_plugins', 'list of plugin names to load'), ] + def getpluginversioninfo(config): lines = [] plugininfo = config.pluginmanager.list_plugin_distinfo() @@ -122,11 +161,12 @@ def getpluginversioninfo(config): lines.append(" " + content) return lines + def pytest_report_header(config): lines = [] if config.option.debug or config.option.traceconfig: lines.append("using: pytest-%s pylib-%s" % - (pytest.__version__,py.__version__)) + (pytest.__version__, py.__version__)) verinfo = getpluginversioninfo(config) if verinfo: @@ -140,5 +180,5 @@ def pytest_report_header(config): r = plugin.__file__ else: r = repr(plugin) - lines.append(" %-20s: %s" %(name, r)) + lines.append(" %-20s: %s" % (name, r)) return lines |