1396 lines
51 KiB
Python
1396 lines
51 KiB
Python
""" command line options, ini-file and conftest.py processing. """
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from __future__ import absolute_import, division, print_function
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import argparse
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import shlex
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import traceback
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import types
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import warnings
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import six
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import py
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# DON't import pytest here because it causes import cycle troubles
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import sys
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import os
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import _pytest._code
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import _pytest.hookspec # the extension point definitions
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import _pytest.assertion
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from pluggy import PluginManager, HookimplMarker, HookspecMarker
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from _pytest.compat import safe_str
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hookimpl = HookimplMarker("pytest")
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hookspec = HookspecMarker("pytest")
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# pytest startup
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#
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class ConftestImportFailure(Exception):
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def __init__(self, path, excinfo):
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Exception.__init__(self, path, excinfo)
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self.path = path
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self.excinfo = excinfo
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def __str__(self):
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etype, evalue, etb = self.excinfo
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formatted = traceback.format_tb(etb)
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# The level of the tracebacks we want to print is hand crafted :(
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return repr(evalue) + '\n' + ''.join(formatted[2:])
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def main(args=None, plugins=None):
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""" return exit code, after performing an in-process test run.
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:arg args: list of command line arguments.
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:arg plugins: list of plugin objects to be auto-registered during
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initialization.
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"""
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try:
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try:
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config = _prepareconfig(args, plugins)
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except ConftestImportFailure as e:
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tw = py.io.TerminalWriter(sys.stderr)
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for line in traceback.format_exception(*e.excinfo):
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tw.line(line.rstrip(), red=True)
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tw.line("ERROR: could not load %s\n" % (e.path), red=True)
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return 4
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else:
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try:
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return config.hook.pytest_cmdline_main(config=config)
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finally:
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config._ensure_unconfigure()
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except UsageError as e:
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for msg in e.args:
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sys.stderr.write("ERROR: %s\n" % (msg,))
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return 4
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class cmdline: # compatibility namespace
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main = staticmethod(main)
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class UsageError(Exception):
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""" error in pytest usage or invocation"""
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class PrintHelp(Exception):
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"""Raised when pytest should print it's help to skip the rest of the
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argument parsing and validation."""
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pass
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def filename_arg(path, optname):
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""" Argparse type validator for filename arguments.
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:path: path of filename
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:optname: name of the option
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"""
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if os.path.isdir(path):
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raise UsageError("{0} must be a filename, given: {1}".format(optname, path))
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return path
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def directory_arg(path, optname):
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"""Argparse type validator for directory arguments.
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:path: path of directory
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:optname: name of the option
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"""
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if not os.path.isdir(path):
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raise UsageError("{0} must be a directory, given: {1}".format(optname, path))
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return path
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default_plugins = (
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"mark main terminal runner python fixtures debugging unittest capture skipping "
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"tmpdir monkeypatch recwarn pastebin helpconfig nose assertion "
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"junitxml resultlog doctest cacheprovider freeze_support "
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"setuponly setupplan warnings logging").split()
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builtin_plugins = set(default_plugins)
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builtin_plugins.add("pytester")
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def get_config():
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# subsequent calls to main will create a fresh instance
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pluginmanager = PytestPluginManager()
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config = Config(pluginmanager)
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for spec in default_plugins:
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pluginmanager.import_plugin(spec)
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return config
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def get_plugin_manager():
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"""
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Obtain a new instance of the
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:py:class:`_pytest.config.PytestPluginManager`, with default plugins
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already loaded.
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This function can be used by integration with other tools, like hooking
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into pytest to run tests into an IDE.
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"""
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return get_config().pluginmanager
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def _prepareconfig(args=None, plugins=None):
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warning = None
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if args is None:
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args = sys.argv[1:]
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elif isinstance(args, py.path.local):
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args = [str(args)]
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elif not isinstance(args, (tuple, list)):
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if not isinstance(args, str):
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raise ValueError("not a string or argument list: %r" % (args,))
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args = shlex.split(args, posix=sys.platform != "win32")
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from _pytest import deprecated
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warning = deprecated.MAIN_STR_ARGS
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config = get_config()
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pluginmanager = config.pluginmanager
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try:
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if plugins:
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for plugin in plugins:
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if isinstance(plugin, six.string_types):
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pluginmanager.consider_pluginarg(plugin)
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else:
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pluginmanager.register(plugin)
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if warning:
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config.warn('C1', warning)
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return pluginmanager.hook.pytest_cmdline_parse(
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pluginmanager=pluginmanager, args=args)
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except BaseException:
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config._ensure_unconfigure()
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raise
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class PytestPluginManager(PluginManager):
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"""
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Overwrites :py:class:`pluggy.PluginManager <pluggy.PluginManager>` to add pytest-specific
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functionality:
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* loading plugins from the command line, ``PYTEST_PLUGIN`` env variable and
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``pytest_plugins`` global variables found in plugins being loaded;
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* ``conftest.py`` loading during start-up;
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"""
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def __init__(self):
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super(PytestPluginManager, self).__init__("pytest", implprefix="pytest_")
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self._conftest_plugins = set()
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# state related to local conftest plugins
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self._path2confmods = {}
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self._conftestpath2mod = {}
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self._confcutdir = None
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self._noconftest = False
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self._duplicatepaths = set()
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self.add_hookspecs(_pytest.hookspec)
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self.register(self)
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if os.environ.get('PYTEST_DEBUG'):
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err = sys.stderr
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encoding = getattr(err, 'encoding', 'utf8')
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try:
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err = py.io.dupfile(err, encoding=encoding)
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except Exception:
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pass
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self.trace.root.setwriter(err.write)
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self.enable_tracing()
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# Config._consider_importhook will set a real object if required.
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self.rewrite_hook = _pytest.assertion.DummyRewriteHook()
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def addhooks(self, module_or_class):
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"""
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.. deprecated:: 2.8
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Use :py:meth:`pluggy.PluginManager.add_hookspecs <PluginManager.add_hookspecs>`
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instead.
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"""
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warning = dict(code="I2",
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fslocation=_pytest._code.getfslineno(sys._getframe(1)),
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nodeid=None,
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message="use pluginmanager.add_hookspecs instead of "
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"deprecated addhooks() method.")
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self._warn(warning)
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return self.add_hookspecs(module_or_class)
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def parse_hookimpl_opts(self, plugin, name):
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# pytest hooks are always prefixed with pytest_
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# so we avoid accessing possibly non-readable attributes
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# (see issue #1073)
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if not name.startswith("pytest_"):
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return
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# ignore some historic special names which can not be hooks anyway
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if name == "pytest_plugins" or name.startswith("pytest_funcarg__"):
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return
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method = getattr(plugin, name)
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opts = super(PytestPluginManager, self).parse_hookimpl_opts(plugin, name)
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if opts is not None:
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for name in ("tryfirst", "trylast", "optionalhook", "hookwrapper"):
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opts.setdefault(name, hasattr(method, name))
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return opts
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def parse_hookspec_opts(self, module_or_class, name):
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opts = super(PytestPluginManager, self).parse_hookspec_opts(
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module_or_class, name)
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if opts is None:
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method = getattr(module_or_class, name)
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if name.startswith("pytest_"):
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opts = {"firstresult": hasattr(method, "firstresult"),
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"historic": hasattr(method, "historic")}
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return opts
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def register(self, plugin, name=None):
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ret = super(PytestPluginManager, self).register(plugin, name)
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if ret:
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self.hook.pytest_plugin_registered.call_historic(
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kwargs=dict(plugin=plugin, manager=self))
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if isinstance(plugin, types.ModuleType):
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self.consider_module(plugin)
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return ret
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def getplugin(self, name):
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# support deprecated naming because plugins (xdist e.g.) use it
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return self.get_plugin(name)
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def hasplugin(self, name):
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"""Return True if the plugin with the given name is registered."""
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return bool(self.get_plugin(name))
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def pytest_configure(self, config):
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# XXX now that the pluginmanager exposes hookimpl(tryfirst...)
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# we should remove tryfirst/trylast as markers
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config.addinivalue_line("markers",
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"tryfirst: mark a hook implementation function such that the "
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"plugin machinery will try to call it first/as early as possible.")
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config.addinivalue_line("markers",
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"trylast: mark a hook implementation function such that the "
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"plugin machinery will try to call it last/as late as possible.")
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def _warn(self, message):
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kwargs = message if isinstance(message, dict) else {
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'code': 'I1',
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'message': message,
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'fslocation': None,
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'nodeid': None,
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}
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self.hook.pytest_logwarning.call_historic(kwargs=kwargs)
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#
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# internal API for local conftest plugin handling
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#
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def _set_initial_conftests(self, namespace):
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""" load initial conftest files given a preparsed "namespace".
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As conftest files may add their own command line options
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which have arguments ('--my-opt somepath') we might get some
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false positives. All builtin and 3rd party plugins will have
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been loaded, however, so common options will not confuse our logic
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here.
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"""
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current = py.path.local()
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self._confcutdir = current.join(namespace.confcutdir, abs=True) \
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if namespace.confcutdir else None
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self._noconftest = namespace.noconftest
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testpaths = namespace.file_or_dir
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foundanchor = False
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for path in testpaths:
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path = str(path)
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# remove node-id syntax
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i = path.find("::")
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if i != -1:
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path = path[:i]
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anchor = current.join(path, abs=1)
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if exists(anchor): # we found some file object
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self._try_load_conftest(anchor)
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foundanchor = True
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if not foundanchor:
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self._try_load_conftest(current)
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def _try_load_conftest(self, anchor):
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self._getconftestmodules(anchor)
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# let's also consider test* subdirs
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if anchor.check(dir=1):
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for x in anchor.listdir("test*"):
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if x.check(dir=1):
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self._getconftestmodules(x)
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def _getconftestmodules(self, path):
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if self._noconftest:
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return []
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try:
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return self._path2confmods[path]
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except KeyError:
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if path.isfile():
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clist = self._getconftestmodules(path.dirpath())
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else:
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# XXX these days we may rather want to use config.rootdir
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# and allow users to opt into looking into the rootdir parent
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# directories instead of requiring to specify confcutdir
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clist = []
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for parent in path.parts():
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if self._confcutdir and self._confcutdir.relto(parent):
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continue
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conftestpath = parent.join("conftest.py")
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if conftestpath.isfile():
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mod = self._importconftest(conftestpath)
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clist.append(mod)
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self._path2confmods[path] = clist
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return clist
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def _rget_with_confmod(self, name, path):
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modules = self._getconftestmodules(path)
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for mod in reversed(modules):
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try:
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return mod, getattr(mod, name)
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except AttributeError:
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continue
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raise KeyError(name)
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def _importconftest(self, conftestpath):
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try:
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return self._conftestpath2mod[conftestpath]
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except KeyError:
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pkgpath = conftestpath.pypkgpath()
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if pkgpath is None:
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_ensure_removed_sysmodule(conftestpath.purebasename)
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try:
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mod = conftestpath.pyimport()
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except Exception:
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raise ConftestImportFailure(conftestpath, sys.exc_info())
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self._conftest_plugins.add(mod)
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self._conftestpath2mod[conftestpath] = mod
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dirpath = conftestpath.dirpath()
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if dirpath in self._path2confmods:
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for path, mods in self._path2confmods.items():
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if path and path.relto(dirpath) or path == dirpath:
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assert mod not in mods
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mods.append(mod)
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self.trace("loaded conftestmodule %r" % (mod))
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self.consider_conftest(mod)
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return mod
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#
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# API for bootstrapping plugin loading
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#
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#
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def consider_preparse(self, args):
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for opt1, opt2 in zip(args, args[1:]):
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if opt1 == "-p":
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self.consider_pluginarg(opt2)
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def consider_pluginarg(self, arg):
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if arg.startswith("no:"):
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name = arg[3:]
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self.set_blocked(name)
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if not name.startswith("pytest_"):
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self.set_blocked("pytest_" + name)
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else:
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self.import_plugin(arg)
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def consider_conftest(self, conftestmodule):
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self.register(conftestmodule, name=conftestmodule.__file__)
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def consider_env(self):
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self._import_plugin_specs(os.environ.get("PYTEST_PLUGINS"))
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def consider_module(self, mod):
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self._import_plugin_specs(getattr(mod, 'pytest_plugins', []))
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def _import_plugin_specs(self, spec):
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plugins = _get_plugin_specs_as_list(spec)
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for import_spec in plugins:
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self.import_plugin(import_spec)
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def import_plugin(self, modname):
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# most often modname refers to builtin modules, e.g. "pytester",
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# "terminal" or "capture". Those plugins are registered under their
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# basename for historic purposes but must be imported with the
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# _pytest prefix.
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assert isinstance(modname, (six.text_type, str)), "module name as text required, got %r" % modname
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modname = str(modname)
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if self.get_plugin(modname) is not None:
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return
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if modname in builtin_plugins:
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importspec = "_pytest." + modname
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else:
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importspec = modname
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self.rewrite_hook.mark_rewrite(importspec)
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try:
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__import__(importspec)
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except ImportError as e:
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new_exc = ImportError('Error importing plugin "%s": %s' % (modname, safe_str(e.args[0])))
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# copy over name and path attributes
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for attr in ('name', 'path'):
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if hasattr(e, attr):
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setattr(new_exc, attr, getattr(e, attr))
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raise new_exc
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except Exception as e:
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import pytest
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if not hasattr(pytest, 'skip') or not isinstance(e, pytest.skip.Exception):
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raise
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self._warn("skipped plugin %r: %s" % ((modname, e.msg)))
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else:
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mod = sys.modules[importspec]
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self.register(mod, modname)
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|
|
|
|
|
def _get_plugin_specs_as_list(specs):
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"""
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Parses a list of "plugin specs" and returns a list of plugin names.
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Plugin specs can be given as a list of strings separated by "," or already as a list/tuple in
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which case it is returned as a list. Specs can also be `None` in which case an
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empty list is returned.
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"""
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if specs is not None:
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if isinstance(specs, str):
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specs = specs.split(',') if specs else []
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if not isinstance(specs, (list, tuple)):
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raise UsageError("Plugin specs must be a ','-separated string or a "
|
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"list/tuple of strings for plugin names. Given: %r" % specs)
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return list(specs)
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return []
|
|
|
|
|
|
class Parser:
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|
""" Parser for command line arguments and ini-file values.
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|
|
|
:ivar extra_info: dict of generic param -> value to display in case
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there's an error processing the command line arguments.
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|
"""
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|
|
|
def __init__(self, usage=None, processopt=None):
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self._anonymous = OptionGroup("custom options", parser=self)
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self._groups = []
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self._processopt = processopt
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self._usage = usage
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|
self._inidict = {}
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|
self._ininames = []
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|
self.extra_info = {}
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|
|
|
def processoption(self, option):
|
|
if self._processopt:
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|
if option.dest:
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|
self._processopt(option)
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|
|
|
def getgroup(self, name, description="", after=None):
|
|
""" get (or create) a named option Group.
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|
:name: name of the option group.
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|
:description: long description for --help output.
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:after: name of other group, used for ordering --help output.
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|
|
The returned group object has an ``addoption`` method with the same
|
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signature as :py:func:`parser.addoption
|
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<_pytest.config.Parser.addoption>` but will be shown in the
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respective group in the output of ``pytest. --help``.
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|
"""
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|
for group in self._groups:
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if group.name == name:
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return group
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group = OptionGroup(name, description, parser=self)
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i = 0
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for i, grp in enumerate(self._groups):
|
|
if grp.name == after:
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break
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self._groups.insert(i + 1, group)
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return group
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|
|
|
def addoption(self, *opts, **attrs):
|
|
""" register a command line option.
|
|
|
|
:opts: option names, can be short or long options.
|
|
:attrs: same attributes which the ``add_option()`` function of the
|
|
`argparse library
|
|
<http://docs.python.org/2/library/argparse.html>`_
|
|
accepts.
|
|
|
|
After command line parsing options are available on the pytest config
|
|
object via ``config.option.NAME`` where ``NAME`` is usually set
|
|
by passing a ``dest`` attribute, for example
|
|
``addoption("--long", dest="NAME", ...)``.
|
|
"""
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|
self._anonymous.addoption(*opts, **attrs)
|
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|
|
def parse(self, args, namespace=None):
|
|
from _pytest._argcomplete import try_argcomplete
|
|
self.optparser = self._getparser()
|
|
try_argcomplete(self.optparser)
|
|
return self.optparser.parse_args([str(x) for x in args], namespace=namespace)
|
|
|
|
def _getparser(self):
|
|
from _pytest._argcomplete import filescompleter
|
|
optparser = MyOptionParser(self, self.extra_info)
|
|
groups = self._groups + [self._anonymous]
|
|
for group in groups:
|
|
if group.options:
|
|
desc = group.description or group.name
|
|
arggroup = optparser.add_argument_group(desc)
|
|
for option in group.options:
|
|
n = option.names()
|
|
a = option.attrs()
|
|
arggroup.add_argument(*n, **a)
|
|
# bash like autocompletion for dirs (appending '/')
|
|
optparser.add_argument(FILE_OR_DIR, nargs='*').completer = filescompleter
|
|
return optparser
|
|
|
|
def parse_setoption(self, args, option, namespace=None):
|
|
parsedoption = self.parse(args, namespace=namespace)
|
|
for name, value in parsedoption.__dict__.items():
|
|
setattr(option, name, value)
|
|
return getattr(parsedoption, FILE_OR_DIR)
|
|
|
|
def parse_known_args(self, args, namespace=None):
|
|
"""parses and returns a namespace object with known arguments at this
|
|
point.
|
|
"""
|
|
return self.parse_known_and_unknown_args(args, namespace=namespace)[0]
|
|
|
|
def parse_known_and_unknown_args(self, args, namespace=None):
|
|
"""parses and returns a namespace object with known arguments, and
|
|
the remaining arguments unknown at this point.
|
|
"""
|
|
optparser = self._getparser()
|
|
args = [str(x) for x in args]
|
|
return optparser.parse_known_args(args, namespace=namespace)
|
|
|
|
def addini(self, name, help, type=None, default=None):
|
|
""" register an ini-file option.
|
|
|
|
:name: name of the ini-variable
|
|
:type: type of the variable, can be ``pathlist``, ``args``, ``linelist``
|
|
or ``bool``.
|
|
:default: default value if no ini-file option exists but is queried.
|
|
|
|
The value of ini-variables can be retrieved via a call to
|
|
:py:func:`config.getini(name) <_pytest.config.Config.getini>`.
|
|
"""
|
|
assert type in (None, "pathlist", "args", "linelist", "bool")
|
|
self._inidict[name] = (help, type, default)
|
|
self._ininames.append(name)
|
|
|
|
|
|
class ArgumentError(Exception):
|
|
"""
|
|
Raised if an Argument instance is created with invalid or
|
|
inconsistent arguments.
|
|
"""
|
|
|
|
def __init__(self, msg, option):
|
|
self.msg = msg
|
|
self.option_id = str(option)
|
|
|
|
def __str__(self):
|
|
if self.option_id:
|
|
return "option %s: %s" % (self.option_id, self.msg)
|
|
else:
|
|
return self.msg
|
|
|
|
|
|
class Argument:
|
|
"""class that mimics the necessary behaviour of optparse.Option
|
|
|
|
its currently a least effort implementation
|
|
and ignoring choices and integer prefixes
|
|
https://docs.python.org/3/library/optparse.html#optparse-standard-option-types
|
|
"""
|
|
_typ_map = {
|
|
'int': int,
|
|
'string': str,
|
|
'float': float,
|
|
'complex': complex,
|
|
}
|
|
|
|
def __init__(self, *names, **attrs):
|
|
"""store parms in private vars for use in add_argument"""
|
|
self._attrs = attrs
|
|
self._short_opts = []
|
|
self._long_opts = []
|
|
self.dest = attrs.get('dest')
|
|
if '%default' in (attrs.get('help') or ''):
|
|
warnings.warn(
|
|
'pytest now uses argparse. "%default" should be'
|
|
' changed to "%(default)s" ',
|
|
DeprecationWarning,
|
|
stacklevel=3)
|
|
try:
|
|
typ = attrs['type']
|
|
except KeyError:
|
|
pass
|
|
else:
|
|
# this might raise a keyerror as well, don't want to catch that
|
|
if isinstance(typ, six.string_types):
|
|
if typ == 'choice':
|
|
warnings.warn(
|
|
'type argument to addoption() is a string %r.'
|
|
' For parsearg this is optional and when supplied'
|
|
' should be a type.'
|
|
' (options: %s)' % (typ, names),
|
|
DeprecationWarning,
|
|
stacklevel=3)
|
|
# argparse expects a type here take it from
|
|
# the type of the first element
|
|
attrs['type'] = type(attrs['choices'][0])
|
|
else:
|
|
warnings.warn(
|
|
'type argument to addoption() is a string %r.'
|
|
' For parsearg this should be a type.'
|
|
' (options: %s)' % (typ, names),
|
|
DeprecationWarning,
|
|
stacklevel=3)
|
|
attrs['type'] = Argument._typ_map[typ]
|
|
# used in test_parseopt -> test_parse_defaultgetter
|
|
self.type = attrs['type']
|
|
else:
|
|
self.type = typ
|
|
try:
|
|
# attribute existence is tested in Config._processopt
|
|
self.default = attrs['default']
|
|
except KeyError:
|
|
pass
|
|
self._set_opt_strings(names)
|
|
if not self.dest:
|
|
if self._long_opts:
|
|
self.dest = self._long_opts[0][2:].replace('-', '_')
|
|
else:
|
|
try:
|
|
self.dest = self._short_opts[0][1:]
|
|
except IndexError:
|
|
raise ArgumentError(
|
|
'need a long or short option', self)
|
|
|
|
def names(self):
|
|
return self._short_opts + self._long_opts
|
|
|
|
def attrs(self):
|
|
# update any attributes set by processopt
|
|
attrs = 'default dest help'.split()
|
|
if self.dest:
|
|
attrs.append(self.dest)
|
|
for attr in attrs:
|
|
try:
|
|
self._attrs[attr] = getattr(self, attr)
|
|
except AttributeError:
|
|
pass
|
|
if self._attrs.get('help'):
|
|
a = self._attrs['help']
|
|
a = a.replace('%default', '%(default)s')
|
|
# a = a.replace('%prog', '%(prog)s')
|
|
self._attrs['help'] = a
|
|
return self._attrs
|
|
|
|
def _set_opt_strings(self, opts):
|
|
"""directly from optparse
|
|
|
|
might not be necessary as this is passed to argparse later on"""
|
|
for opt in opts:
|
|
if len(opt) < 2:
|
|
raise ArgumentError(
|
|
"invalid option string %r: "
|
|
"must be at least two characters long" % opt, self)
|
|
elif len(opt) == 2:
|
|
if not (opt[0] == "-" and opt[1] != "-"):
|
|
raise ArgumentError(
|
|
"invalid short option string %r: "
|
|
"must be of the form -x, (x any non-dash char)" % opt,
|
|
self)
|
|
self._short_opts.append(opt)
|
|
else:
|
|
if not (opt[0:2] == "--" and opt[2] != "-"):
|
|
raise ArgumentError(
|
|
"invalid long option string %r: "
|
|
"must start with --, followed by non-dash" % opt,
|
|
self)
|
|
self._long_opts.append(opt)
|
|
|
|
def __repr__(self):
|
|
args = []
|
|
if self._short_opts:
|
|
args += ['_short_opts: ' + repr(self._short_opts)]
|
|
if self._long_opts:
|
|
args += ['_long_opts: ' + repr(self._long_opts)]
|
|
args += ['dest: ' + repr(self.dest)]
|
|
if hasattr(self, 'type'):
|
|
args += ['type: ' + repr(self.type)]
|
|
if hasattr(self, 'default'):
|
|
args += ['default: ' + repr(self.default)]
|
|
return 'Argument({0})'.format(', '.join(args))
|
|
|
|
|
|
class OptionGroup:
|
|
def __init__(self, name, description="", parser=None):
|
|
self.name = name
|
|
self.description = description
|
|
self.options = []
|
|
self.parser = parser
|
|
|
|
def addoption(self, *optnames, **attrs):
|
|
""" add an option to this group.
|
|
|
|
if a shortened version of a long option is specified it will
|
|
be suppressed in the help. addoption('--twowords', '--two-words')
|
|
results in help showing '--two-words' only, but --twowords gets
|
|
accepted **and** the automatic destination is in args.twowords
|
|
"""
|
|
conflict = set(optnames).intersection(
|
|
name for opt in self.options for name in opt.names())
|
|
if conflict:
|
|
raise ValueError("option names %s already added" % conflict)
|
|
option = Argument(*optnames, **attrs)
|
|
self._addoption_instance(option, shortupper=False)
|
|
|
|
def _addoption(self, *optnames, **attrs):
|
|
option = Argument(*optnames, **attrs)
|
|
self._addoption_instance(option, shortupper=True)
|
|
|
|
def _addoption_instance(self, option, shortupper=False):
|
|
if not shortupper:
|
|
for opt in option._short_opts:
|
|
if opt[0] == '-' and opt[1].islower():
|
|
raise ValueError("lowercase shortoptions reserved")
|
|
if self.parser:
|
|
self.parser.processoption(option)
|
|
self.options.append(option)
|
|
|
|
|
|
class MyOptionParser(argparse.ArgumentParser):
|
|
def __init__(self, parser, extra_info=None):
|
|
if not extra_info:
|
|
extra_info = {}
|
|
self._parser = parser
|
|
argparse.ArgumentParser.__init__(self, usage=parser._usage,
|
|
add_help=False, formatter_class=DropShorterLongHelpFormatter)
|
|
# extra_info is a dict of (param -> value) to display if there's
|
|
# an usage error to provide more contextual information to the user
|
|
self.extra_info = extra_info
|
|
|
|
def parse_args(self, args=None, namespace=None):
|
|
"""allow splitting of positional arguments"""
|
|
args, argv = self.parse_known_args(args, namespace)
|
|
if argv:
|
|
for arg in argv:
|
|
if arg and arg[0] == '-':
|
|
lines = ['unrecognized arguments: %s' % (' '.join(argv))]
|
|
for k, v in sorted(self.extra_info.items()):
|
|
lines.append(' %s: %s' % (k, v))
|
|
self.error('\n'.join(lines))
|
|
getattr(args, FILE_OR_DIR).extend(argv)
|
|
return args
|
|
|
|
|
|
class DropShorterLongHelpFormatter(argparse.HelpFormatter):
|
|
"""shorten help for long options that differ only in extra hyphens
|
|
|
|
- collapse **long** options that are the same except for extra hyphens
|
|
- special action attribute map_long_option allows surpressing additional
|
|
long options
|
|
- shortcut if there are only two options and one of them is a short one
|
|
- cache result on action object as this is called at least 2 times
|
|
"""
|
|
|
|
def _format_action_invocation(self, action):
|
|
orgstr = argparse.HelpFormatter._format_action_invocation(self, action)
|
|
if orgstr and orgstr[0] != '-': # only optional arguments
|
|
return orgstr
|
|
res = getattr(action, '_formatted_action_invocation', None)
|
|
if res:
|
|
return res
|
|
options = orgstr.split(', ')
|
|
if len(options) == 2 and (len(options[0]) == 2 or len(options[1]) == 2):
|
|
# a shortcut for '-h, --help' or '--abc', '-a'
|
|
action._formatted_action_invocation = orgstr
|
|
return orgstr
|
|
return_list = []
|
|
option_map = getattr(action, 'map_long_option', {})
|
|
if option_map is None:
|
|
option_map = {}
|
|
short_long = {}
|
|
for option in options:
|
|
if len(option) == 2 or option[2] == ' ':
|
|
continue
|
|
if not option.startswith('--'):
|
|
raise ArgumentError('long optional argument without "--": [%s]'
|
|
% (option), self)
|
|
xxoption = option[2:]
|
|
if xxoption.split()[0] not in option_map:
|
|
shortened = xxoption.replace('-', '')
|
|
if shortened not in short_long or \
|
|
len(short_long[shortened]) < len(xxoption):
|
|
short_long[shortened] = xxoption
|
|
# now short_long has been filled out to the longest with dashes
|
|
# **and** we keep the right option ordering from add_argument
|
|
for option in options:
|
|
if len(option) == 2 or option[2] == ' ':
|
|
return_list.append(option)
|
|
if option[2:] == short_long.get(option.replace('-', '')):
|
|
return_list.append(option.replace(' ', '=', 1))
|
|
action._formatted_action_invocation = ', '.join(return_list)
|
|
return action._formatted_action_invocation
|
|
|
|
|
|
def _ensure_removed_sysmodule(modname):
|
|
try:
|
|
del sys.modules[modname]
|
|
except KeyError:
|
|
pass
|
|
|
|
|
|
class CmdOptions(object):
|
|
""" holds cmdline options as attributes."""
|
|
|
|
def __init__(self, values=()):
|
|
self.__dict__.update(values)
|
|
|
|
def __repr__(self):
|
|
return "<CmdOptions %r>" % (self.__dict__,)
|
|
|
|
def copy(self):
|
|
return CmdOptions(self.__dict__)
|
|
|
|
|
|
class Notset:
|
|
def __repr__(self):
|
|
return "<NOTSET>"
|
|
|
|
|
|
notset = Notset()
|
|
FILE_OR_DIR = 'file_or_dir'
|
|
|
|
|
|
def _iter_rewritable_modules(package_files):
|
|
for fn in package_files:
|
|
is_simple_module = '/' not in fn and fn.endswith('.py')
|
|
is_package = fn.count('/') == 1 and fn.endswith('__init__.py')
|
|
if is_simple_module:
|
|
module_name, _ = os.path.splitext(fn)
|
|
yield module_name
|
|
elif is_package:
|
|
package_name = os.path.dirname(fn)
|
|
yield package_name
|
|
|
|
|
|
class Config(object):
|
|
""" access to configuration values, pluginmanager and plugin hooks. """
|
|
|
|
def __init__(self, pluginmanager):
|
|
#: access to command line option as attributes.
|
|
#: (deprecated), use :py:func:`getoption() <_pytest.config.Config.getoption>` instead
|
|
self.option = CmdOptions()
|
|
_a = FILE_OR_DIR
|
|
self._parser = Parser(
|
|
usage="%%(prog)s [options] [%s] [%s] [...]" % (_a, _a),
|
|
processopt=self._processopt,
|
|
)
|
|
#: a pluginmanager instance
|
|
self.pluginmanager = pluginmanager
|
|
self.trace = self.pluginmanager.trace.root.get("config")
|
|
self.hook = self.pluginmanager.hook
|
|
self._inicache = {}
|
|
self._override_ini = ()
|
|
self._opt2dest = {}
|
|
self._cleanup = []
|
|
self._warn = self.pluginmanager._warn
|
|
self.pluginmanager.register(self, "pytestconfig")
|
|
self._configured = False
|
|
|
|
def do_setns(dic):
|
|
import pytest
|
|
setns(pytest, dic)
|
|
|
|
self.hook.pytest_namespace.call_historic(do_setns, {})
|
|
self.hook.pytest_addoption.call_historic(kwargs=dict(parser=self._parser))
|
|
|
|
def add_cleanup(self, func):
|
|
""" Add a function to be called when the config object gets out of
|
|
use (usually coninciding with pytest_unconfigure)."""
|
|
self._cleanup.append(func)
|
|
|
|
def _do_configure(self):
|
|
assert not self._configured
|
|
self._configured = True
|
|
self.hook.pytest_configure.call_historic(kwargs=dict(config=self))
|
|
|
|
def _ensure_unconfigure(self):
|
|
if self._configured:
|
|
self._configured = False
|
|
self.hook.pytest_unconfigure(config=self)
|
|
self.hook.pytest_configure._call_history = []
|
|
while self._cleanup:
|
|
fin = self._cleanup.pop()
|
|
fin()
|
|
|
|
def warn(self, code, message, fslocation=None, nodeid=None):
|
|
""" generate a warning for this test session. """
|
|
self.hook.pytest_logwarning.call_historic(kwargs=dict(
|
|
code=code, message=message,
|
|
fslocation=fslocation, nodeid=nodeid))
|
|
|
|
def get_terminal_writer(self):
|
|
return self.pluginmanager.get_plugin("terminalreporter").writer
|
|
|
|
def pytest_cmdline_parse(self, pluginmanager, args):
|
|
# REF1 assert self == pluginmanager.config, (self, pluginmanager.config)
|
|
self.parse(args)
|
|
return self
|
|
|
|
def notify_exception(self, excinfo, option=None):
|
|
if option and option.fulltrace:
|
|
style = "long"
|
|
else:
|
|
style = "native"
|
|
excrepr = excinfo.getrepr(funcargs=True,
|
|
showlocals=getattr(option, 'showlocals', False),
|
|
style=style,
|
|
)
|
|
res = self.hook.pytest_internalerror(excrepr=excrepr,
|
|
excinfo=excinfo)
|
|
if not any(res):
|
|
for line in str(excrepr).split("\n"):
|
|
sys.stderr.write("INTERNALERROR> %s\n" % line)
|
|
sys.stderr.flush()
|
|
|
|
def cwd_relative_nodeid(self, nodeid):
|
|
# nodeid's are relative to the rootpath, compute relative to cwd
|
|
if self.invocation_dir != self.rootdir:
|
|
fullpath = self.rootdir.join(nodeid)
|
|
nodeid = self.invocation_dir.bestrelpath(fullpath)
|
|
return nodeid
|
|
|
|
@classmethod
|
|
def fromdictargs(cls, option_dict, args):
|
|
""" constructor useable for subprocesses. """
|
|
config = get_config()
|
|
config.option.__dict__.update(option_dict)
|
|
config.parse(args, addopts=False)
|
|
for x in config.option.plugins:
|
|
config.pluginmanager.consider_pluginarg(x)
|
|
return config
|
|
|
|
def _processopt(self, opt):
|
|
for name in opt._short_opts + opt._long_opts:
|
|
self._opt2dest[name] = opt.dest
|
|
|
|
if hasattr(opt, 'default') and opt.dest:
|
|
if not hasattr(self.option, opt.dest):
|
|
setattr(self.option, opt.dest, opt.default)
|
|
|
|
@hookimpl(trylast=True)
|
|
def pytest_load_initial_conftests(self, early_config):
|
|
self.pluginmanager._set_initial_conftests(early_config.known_args_namespace)
|
|
|
|
def _initini(self, args):
|
|
ns, unknown_args = self._parser.parse_known_and_unknown_args(args, namespace=self.option.copy())
|
|
r = determine_setup(ns.inifilename, ns.file_or_dir + unknown_args, warnfunc=self.warn)
|
|
self.rootdir, self.inifile, self.inicfg = r
|
|
self._parser.extra_info['rootdir'] = self.rootdir
|
|
self._parser.extra_info['inifile'] = self.inifile
|
|
self.invocation_dir = py.path.local()
|
|
self._parser.addini('addopts', 'extra command line options', 'args')
|
|
self._parser.addini('minversion', 'minimally required pytest version')
|
|
self._override_ini = ns.override_ini or ()
|
|
|
|
def _consider_importhook(self, args):
|
|
"""Install the PEP 302 import hook if using assertion re-writing.
|
|
|
|
Needs to parse the --assert=<mode> option from the commandline
|
|
and find all the installed plugins to mark them for re-writing
|
|
by the importhook.
|
|
"""
|
|
ns, unknown_args = self._parser.parse_known_and_unknown_args(args)
|
|
mode = ns.assertmode
|
|
if mode == 'rewrite':
|
|
try:
|
|
hook = _pytest.assertion.install_importhook(self)
|
|
except SystemError:
|
|
mode = 'plain'
|
|
else:
|
|
self._mark_plugins_for_rewrite(hook)
|
|
self._warn_about_missing_assertion(mode)
|
|
|
|
def _mark_plugins_for_rewrite(self, hook):
|
|
"""
|
|
Given an importhook, mark for rewrite any top-level
|
|
modules or packages in the distribution package for
|
|
all pytest plugins.
|
|
"""
|
|
import pkg_resources
|
|
self.pluginmanager.rewrite_hook = hook
|
|
|
|
# 'RECORD' available for plugins installed normally (pip install)
|
|
# 'SOURCES.txt' available for plugins installed in dev mode (pip install -e)
|
|
# for installed plugins 'SOURCES.txt' returns an empty list, and vice-versa
|
|
# so it shouldn't be an issue
|
|
metadata_files = 'RECORD', 'SOURCES.txt'
|
|
|
|
package_files = (
|
|
entry.split(',')[0]
|
|
for entrypoint in pkg_resources.iter_entry_points('pytest11')
|
|
for metadata in metadata_files
|
|
for entry in entrypoint.dist._get_metadata(metadata)
|
|
)
|
|
|
|
for name in _iter_rewritable_modules(package_files):
|
|
hook.mark_rewrite(name)
|
|
|
|
def _warn_about_missing_assertion(self, mode):
|
|
try:
|
|
assert False
|
|
except AssertionError:
|
|
pass
|
|
else:
|
|
if mode == 'plain':
|
|
sys.stderr.write("WARNING: ASSERTIONS ARE NOT EXECUTED"
|
|
" and FAILING TESTS WILL PASS. Are you"
|
|
" using python -O?")
|
|
else:
|
|
sys.stderr.write("WARNING: assertions not in test modules or"
|
|
" plugins will be ignored"
|
|
" because assert statements are not executed "
|
|
"by the underlying Python interpreter "
|
|
"(are you using python -O?)\n")
|
|
|
|
def _preparse(self, args, addopts=True):
|
|
self._initini(args)
|
|
if addopts:
|
|
args[:] = shlex.split(os.environ.get('PYTEST_ADDOPTS', '')) + args
|
|
args[:] = self.getini("addopts") + args
|
|
self._checkversion()
|
|
self._consider_importhook(args)
|
|
self.pluginmanager.consider_preparse(args)
|
|
self.pluginmanager.load_setuptools_entrypoints('pytest11')
|
|
self.pluginmanager.consider_env()
|
|
self.known_args_namespace = ns = self._parser.parse_known_args(args, namespace=self.option.copy())
|
|
if self.known_args_namespace.confcutdir is None and self.inifile:
|
|
confcutdir = py.path.local(self.inifile).dirname
|
|
self.known_args_namespace.confcutdir = confcutdir
|
|
try:
|
|
self.hook.pytest_load_initial_conftests(early_config=self,
|
|
args=args, parser=self._parser)
|
|
except ConftestImportFailure:
|
|
e = sys.exc_info()[1]
|
|
if ns.help or ns.version:
|
|
# we don't want to prevent --help/--version to work
|
|
# so just let is pass and print a warning at the end
|
|
self._warn("could not load initial conftests (%s)\n" % e.path)
|
|
else:
|
|
raise
|
|
|
|
def _checkversion(self):
|
|
import pytest
|
|
minver = self.inicfg.get('minversion', None)
|
|
if minver:
|
|
ver = minver.split(".")
|
|
myver = pytest.__version__.split(".")
|
|
if myver < ver:
|
|
raise pytest.UsageError(
|
|
"%s:%d: requires pytest-%s, actual pytest-%s'" % (
|
|
self.inicfg.config.path, self.inicfg.lineof('minversion'),
|
|
minver, pytest.__version__))
|
|
|
|
def parse(self, args, addopts=True):
|
|
# parse given cmdline arguments into this config object.
|
|
assert not hasattr(self, 'args'), (
|
|
"can only parse cmdline args at most once per Config object")
|
|
self._origargs = args
|
|
self.hook.pytest_addhooks.call_historic(
|
|
kwargs=dict(pluginmanager=self.pluginmanager))
|
|
self._preparse(args, addopts=addopts)
|
|
# XXX deprecated hook:
|
|
self.hook.pytest_cmdline_preparse(config=self, args=args)
|
|
self._parser.after_preparse = True
|
|
try:
|
|
args = self._parser.parse_setoption(args, self.option, namespace=self.option)
|
|
if not args:
|
|
cwd = os.getcwd()
|
|
if cwd == self.rootdir:
|
|
args = self.getini('testpaths')
|
|
if not args:
|
|
args = [cwd]
|
|
self.args = args
|
|
except PrintHelp:
|
|
pass
|
|
|
|
def addinivalue_line(self, name, line):
|
|
""" add a line to an ini-file option. The option must have been
|
|
declared but might not yet be set in which case the line becomes the
|
|
the first line in its value. """
|
|
x = self.getini(name)
|
|
assert isinstance(x, list)
|
|
x.append(line) # modifies the cached list inline
|
|
|
|
def getini(self, name):
|
|
""" return configuration value from an :ref:`ini file <inifiles>`. If the
|
|
specified name hasn't been registered through a prior
|
|
:py:func:`parser.addini <_pytest.config.Parser.addini>`
|
|
call (usually from a plugin), a ValueError is raised. """
|
|
try:
|
|
return self._inicache[name]
|
|
except KeyError:
|
|
self._inicache[name] = val = self._getini(name)
|
|
return val
|
|
|
|
def _getini(self, name):
|
|
try:
|
|
description, type, default = self._parser._inidict[name]
|
|
except KeyError:
|
|
raise ValueError("unknown configuration value: %r" % (name,))
|
|
value = self._get_override_ini_value(name)
|
|
if value is None:
|
|
try:
|
|
value = self.inicfg[name]
|
|
except KeyError:
|
|
if default is not None:
|
|
return default
|
|
if type is None:
|
|
return ''
|
|
return []
|
|
if type == "pathlist":
|
|
dp = py.path.local(self.inicfg.config.path).dirpath()
|
|
l = []
|
|
for relpath in shlex.split(value):
|
|
l.append(dp.join(relpath, abs=True))
|
|
return l
|
|
elif type == "args":
|
|
return shlex.split(value)
|
|
elif type == "linelist":
|
|
return [t for t in map(lambda x: x.strip(), value.split("\n")) if t]
|
|
elif type == "bool":
|
|
return bool(_strtobool(value.strip()))
|
|
else:
|
|
assert type is None
|
|
return value
|
|
|
|
def _getconftest_pathlist(self, name, path):
|
|
try:
|
|
mod, relroots = self.pluginmanager._rget_with_confmod(name, path)
|
|
except KeyError:
|
|
return None
|
|
modpath = py.path.local(mod.__file__).dirpath()
|
|
l = []
|
|
for relroot in relroots:
|
|
if not isinstance(relroot, py.path.local):
|
|
relroot = relroot.replace("/", py.path.local.sep)
|
|
relroot = modpath.join(relroot, abs=True)
|
|
l.append(relroot)
|
|
return l
|
|
|
|
def _get_override_ini_value(self, name):
|
|
value = None
|
|
# override_ini is a list of list, to support both -o foo1=bar1 foo2=bar2 and
|
|
# and -o foo1=bar1 -o foo2=bar2 options
|
|
# always use the last item if multiple value set for same ini-name,
|
|
# e.g. -o foo=bar1 -o foo=bar2 will set foo to bar2
|
|
for ini_config_list in self._override_ini:
|
|
for ini_config in ini_config_list:
|
|
try:
|
|
(key, user_ini_value) = ini_config.split("=", 1)
|
|
except ValueError:
|
|
raise UsageError("-o/--override-ini expects option=value style.")
|
|
if key == name:
|
|
value = user_ini_value
|
|
return value
|
|
|
|
def getoption(self, name, default=notset, skip=False):
|
|
""" return command line option value.
|
|
|
|
:arg name: name of the option. You may also specify
|
|
the literal ``--OPT`` option instead of the "dest" option name.
|
|
:arg default: default value if no option of that name exists.
|
|
:arg skip: if True raise pytest.skip if option does not exists
|
|
or has a None value.
|
|
"""
|
|
name = self._opt2dest.get(name, name)
|
|
try:
|
|
val = getattr(self.option, name)
|
|
if val is None and skip:
|
|
raise AttributeError(name)
|
|
return val
|
|
except AttributeError:
|
|
if default is not notset:
|
|
return default
|
|
if skip:
|
|
import pytest
|
|
pytest.skip("no %r option found" % (name,))
|
|
raise ValueError("no option named %r" % (name,))
|
|
|
|
def getvalue(self, name, path=None):
|
|
""" (deprecated, use getoption()) """
|
|
return self.getoption(name)
|
|
|
|
def getvalueorskip(self, name, path=None):
|
|
""" (deprecated, use getoption(skip=True)) """
|
|
return self.getoption(name, skip=True)
|
|
|
|
|
|
def exists(path, ignore=EnvironmentError):
|
|
try:
|
|
return path.check()
|
|
except ignore:
|
|
return False
|
|
|
|
|
|
def getcfg(args, warnfunc=None):
|
|
"""
|
|
Search the list of arguments for a valid ini-file for pytest,
|
|
and return a tuple of (rootdir, inifile, cfg-dict).
|
|
|
|
note: warnfunc is an optional function used to warn
|
|
about ini-files that use deprecated features.
|
|
This parameter should be removed when pytest
|
|
adopts standard deprecation warnings (#1804).
|
|
"""
|
|
from _pytest.deprecated import SETUP_CFG_PYTEST
|
|
inibasenames = ["pytest.ini", "tox.ini", "setup.cfg"]
|
|
args = [x for x in args if not str(x).startswith("-")]
|
|
if not args:
|
|
args = [py.path.local()]
|
|
for arg in args:
|
|
arg = py.path.local(arg)
|
|
for base in arg.parts(reverse=True):
|
|
for inibasename in inibasenames:
|
|
p = base.join(inibasename)
|
|
if exists(p):
|
|
iniconfig = py.iniconfig.IniConfig(p)
|
|
if 'pytest' in iniconfig.sections:
|
|
if inibasename == 'setup.cfg' and warnfunc:
|
|
warnfunc('C1', SETUP_CFG_PYTEST)
|
|
return base, p, iniconfig['pytest']
|
|
if inibasename == 'setup.cfg' and 'tool:pytest' in iniconfig.sections:
|
|
return base, p, iniconfig['tool:pytest']
|
|
elif inibasename == "pytest.ini":
|
|
# allowed to be empty
|
|
return base, p, {}
|
|
return None, None, None
|
|
|
|
|
|
def get_common_ancestor(paths):
|
|
common_ancestor = None
|
|
for path in paths:
|
|
if not path.exists():
|
|
continue
|
|
if common_ancestor is None:
|
|
common_ancestor = path
|
|
else:
|
|
if path.relto(common_ancestor) or path == common_ancestor:
|
|
continue
|
|
elif common_ancestor.relto(path):
|
|
common_ancestor = path
|
|
else:
|
|
shared = path.common(common_ancestor)
|
|
if shared is not None:
|
|
common_ancestor = shared
|
|
if common_ancestor is None:
|
|
common_ancestor = py.path.local()
|
|
elif common_ancestor.isfile():
|
|
common_ancestor = common_ancestor.dirpath()
|
|
return common_ancestor
|
|
|
|
|
|
def get_dirs_from_args(args):
|
|
def is_option(x):
|
|
return str(x).startswith('-')
|
|
|
|
def get_file_part_from_node_id(x):
|
|
return str(x).split('::')[0]
|
|
|
|
def get_dir_from_path(path):
|
|
if path.isdir():
|
|
return path
|
|
return py.path.local(path.dirname)
|
|
|
|
# These look like paths but may not exist
|
|
possible_paths = (
|
|
py.path.local(get_file_part_from_node_id(arg))
|
|
for arg in args
|
|
if not is_option(arg)
|
|
)
|
|
|
|
return [
|
|
get_dir_from_path(path)
|
|
for path in possible_paths
|
|
if path.exists()
|
|
]
|
|
|
|
|
|
def determine_setup(inifile, args, warnfunc=None):
|
|
dirs = get_dirs_from_args(args)
|
|
if inifile:
|
|
iniconfig = py.iniconfig.IniConfig(inifile)
|
|
try:
|
|
inicfg = iniconfig["pytest"]
|
|
except KeyError:
|
|
inicfg = None
|
|
rootdir = get_common_ancestor(dirs)
|
|
else:
|
|
ancestor = get_common_ancestor(dirs)
|
|
rootdir, inifile, inicfg = getcfg([ancestor], warnfunc=warnfunc)
|
|
if rootdir is None:
|
|
for rootdir in ancestor.parts(reverse=True):
|
|
if rootdir.join("setup.py").exists():
|
|
break
|
|
else:
|
|
rootdir, inifile, inicfg = getcfg(dirs, warnfunc=warnfunc)
|
|
if rootdir is None:
|
|
rootdir = get_common_ancestor([py.path.local(), ancestor])
|
|
is_fs_root = os.path.splitdrive(str(rootdir))[1] == '/'
|
|
if is_fs_root:
|
|
rootdir = ancestor
|
|
return rootdir, inifile, inicfg or {}
|
|
|
|
|
|
def setns(obj, dic):
|
|
import pytest
|
|
for name, value in dic.items():
|
|
if isinstance(value, dict):
|
|
mod = getattr(obj, name, None)
|
|
if mod is None:
|
|
modname = "pytest.%s" % name
|
|
mod = types.ModuleType(modname)
|
|
sys.modules[modname] = mod
|
|
mod.__all__ = []
|
|
setattr(obj, name, mod)
|
|
obj.__all__.append(name)
|
|
setns(mod, value)
|
|
else:
|
|
setattr(obj, name, value)
|
|
obj.__all__.append(name)
|
|
# if obj != pytest:
|
|
# pytest.__all__.append(name)
|
|
setattr(pytest, name, value)
|
|
|
|
|
|
def create_terminal_writer(config, *args, **kwargs):
|
|
"""Create a TerminalWriter instance configured according to the options
|
|
in the config object. Every code which requires a TerminalWriter object
|
|
and has access to a config object should use this function.
|
|
"""
|
|
tw = py.io.TerminalWriter(*args, **kwargs)
|
|
if config.option.color == 'yes':
|
|
tw.hasmarkup = True
|
|
if config.option.color == 'no':
|
|
tw.hasmarkup = False
|
|
return tw
|
|
|
|
|
|
def _strtobool(val):
|
|
"""Convert a string representation of truth to true (1) or false (0).
|
|
|
|
True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values
|
|
are 'n', 'no', 'f', 'false', 'off', and '0'. Raises ValueError if
|
|
'val' is anything else.
|
|
|
|
.. note:: copied from distutils.util
|
|
"""
|
|
val = val.lower()
|
|
if val in ('y', 'yes', 't', 'true', 'on', '1'):
|
|
return 1
|
|
elif val in ('n', 'no', 'f', 'false', 'off', '0'):
|
|
return 0
|
|
else:
|
|
raise ValueError("invalid truth value %r" % (val,))
|