1146 lines
42 KiB
Python
1146 lines
42 KiB
Python
""" command line options, ini-file and conftest.py processing. """
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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 py
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# DON't import pytest here because it causes import cycle troubles
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import sys, os
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import _pytest.hookspec # the extension point definitions
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from pluggy import PluginManager, HookimplMarker, HookspecMarker
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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 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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config.pluginmanager.check_pending()
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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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_preinit = []
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default_plugins = (
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"mark main terminal runner python pdb unittest capture skipping "
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"tmpdir monkeypatch recwarn pastebin helpconfig nose assertion genscript "
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"junitxml resultlog doctest").split()
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builtin_plugins = set(default_plugins)
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builtin_plugins.add("pytester")
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def _preloadplugins():
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assert not _preinit
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_preinit.append(get_config())
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def get_config():
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if _preinit:
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return _preinit.pop(0)
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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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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)
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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, py.builtin._basestring):
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pluginmanager.consider_pluginarg(plugin)
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else:
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pluginmanager.register(plugin)
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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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def exclude_pytest_names(name):
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return not name.startswith(name) or name == "pytest_plugins" or \
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name.startswith("pytest_funcarg__")
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class PytestPluginManager(PluginManager):
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"""
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Overwrites :py:class:`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._warnings = []
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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.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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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` instead.
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"""
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warning = dict(code="I2",
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fslocation=py.code.getfslineno(sys._getframe(1)),
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message="use pluginmanager.add_hookspecs instead of "
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"deprecated addhooks() method.")
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self._warnings.append(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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if exclude_pytest_names(name):
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return None
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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 _verify_hook(self, hook, hookmethod):
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super(PytestPluginManager, self)._verify_hook(hook, hookmethod)
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if "__multicall__" in hookmethod.argnames:
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fslineno = py.code.getfslineno(hookmethod.function)
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warning = dict(code="I1",
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fslocation=fslineno,
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message="%r hook uses deprecated __multicall__ "
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"argument" % (hook.name))
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self._warnings.append(warning)
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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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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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for warning in self._warnings:
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if isinstance(warning, dict):
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config.warn(**warning)
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else:
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config.warn(code="I1", message=warning)
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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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if self.register(conftestmodule, name=conftestmodule.__file__):
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self.consider_module(conftestmodule)
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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", None))
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def _import_plugin_specs(self, spec):
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if spec:
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if isinstance(spec, str):
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spec = spec.split(",")
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for import_spec in spec:
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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, str)
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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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try:
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__import__(importspec)
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except ImportError:
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raise
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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._warnings.append("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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self.consider_module(mod)
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|
|
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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):
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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):
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""" 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
|
|
|
|
def addoption(self, *opts, **attrs):
|
|
""" register a command line option.
|
|
|
|
:opts: option names, can be short or long options.
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|
:attrs: same attributes which the ``add_option()`` function of the
|
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`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)
|
|
|
|
def parse(self, args):
|
|
from _pytest._argcomplete import try_argcomplete
|
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self.optparser = self._getparser()
|
|
try_argcomplete(self.optparser)
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return self.optparser.parse_args([str(x) for x in args])
|
|
|
|
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:
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|
desc = group.description or group.name
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|
arggroup = optparser.add_argument_group(desc)
|
|
for option in group.options:
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|
n = option.names()
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|
a = option.attrs()
|
|
arggroup.add_argument(*n, **a)
|
|
# bash like autocompletion for dirs (appending '/')
|
|
optparser.add_argument(FILE_OR_DIR, nargs='*').completer=filescompleter
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|
return optparser
|
|
|
|
def parse_setoption(self, args, option):
|
|
parsedoption = self.parse(args)
|
|
for name, value in parsedoption.__dict__.items():
|
|
setattr(option, name, value)
|
|
return getattr(parsedoption, FILE_OR_DIR)
|
|
|
|
def parse_known_args(self, args):
|
|
optparser = self._getparser()
|
|
args = [str(x) for x in args]
|
|
return optparser.parse_known_args(args)[0]
|
|
|
|
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`` or ``linelist``.
|
|
: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")
|
|
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 """
|
|
_typ_map = {
|
|
'int': int,
|
|
'string': str,
|
|
}
|
|
# enable after some grace period for plugin writers
|
|
TYPE_WARN = False
|
|
|
|
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 self.TYPE_WARN:
|
|
try:
|
|
help = attrs['help']
|
|
if '%default' in help:
|
|
warnings.warn(
|
|
'pytest now uses argparse. "%default" should be'
|
|
' changed to "%(default)s" ',
|
|
FutureWarning,
|
|
stacklevel=3)
|
|
except KeyError:
|
|
pass
|
|
try:
|
|
typ = attrs['type']
|
|
except KeyError:
|
|
pass
|
|
else:
|
|
# this might raise a keyerror as well, don't want to catch that
|
|
if isinstance(typ, py.builtin._basestring):
|
|
if typ == 'choice':
|
|
if self.TYPE_WARN:
|
|
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),
|
|
FutureWarning,
|
|
stacklevel=3)
|
|
# argparse expects a type here take it from
|
|
# the type of the first element
|
|
attrs['type'] = type(attrs['choices'][0])
|
|
else:
|
|
if self.TYPE_WARN:
|
|
warnings.warn(
|
|
'type argument to addoption() is a string %r.'
|
|
' For parsearg this should be a type.'
|
|
' (options: %s)' % (typ, names),
|
|
FutureWarning,
|
|
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):
|
|
retval = 'Argument('
|
|
if self._short_opts:
|
|
retval += '_short_opts: ' + repr(self._short_opts) + ', '
|
|
if self._long_opts:
|
|
retval += '_long_opts: ' + repr(self._long_opts) + ', '
|
|
retval += 'dest: ' + repr(self.dest) + ', '
|
|
if hasattr(self, 'type'):
|
|
retval += 'type: ' + repr(self.type) + ', '
|
|
if hasattr(self, 'default'):
|
|
retval += 'default: ' + repr(self.default) + ', '
|
|
if retval[-2:] == ', ': # always long enough to test ("Argument(" )
|
|
retval = retval[:-2]
|
|
retval += ')'
|
|
return retval
|
|
|
|
|
|
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
|
|
"""
|
|
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(' ', '='))
|
|
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, **kwargs):
|
|
self.__dict__.update(kwargs)
|
|
def __repr__(self):
|
|
return "<CmdOptions %r>" %(self.__dict__,)
|
|
|
|
class Notset:
|
|
def __repr__(self):
|
|
return "<NOTSET>"
|
|
|
|
notset = Notset()
|
|
FILE_OR_DIR = 'file_or_dir'
|
|
|
|
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._opt2dest = {}
|
|
self._cleanup = []
|
|
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):
|
|
""" generate a warning for this test session. """
|
|
self.hook.pytest_logwarning(code=code, message=message,
|
|
fslocation=fslocation, nodeid=None)
|
|
|
|
def get_terminal_writer(self):
|
|
return self.pluginmanager.get_plugin("terminalreporter")._tw
|
|
|
|
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 py.builtin.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._preparse(args, addopts=False)
|
|
config.option.__dict__.update(option_dict)
|
|
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):
|
|
parsed_args = self._parser.parse_known_args(args)
|
|
r = determine_setup(parsed_args.inifilename, parsed_args.file_or_dir)
|
|
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')
|
|
|
|
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.pluginmanager.consider_preparse(args)
|
|
try:
|
|
self.pluginmanager.load_setuptools_entrypoints("pytest11")
|
|
except ImportError as e:
|
|
self.warn("I2", "could not load setuptools entry import: %s" % (e,))
|
|
self.pluginmanager.consider_env()
|
|
self.known_args_namespace = ns = self._parser.parse_known_args(args)
|
|
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.pluginmanager._warnings.append(
|
|
"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):
|
|
# 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)
|
|
# XXX deprecated hook:
|
|
self.hook.pytest_cmdline_preparse(config=self, args=args)
|
|
args = self._parser.parse_setoption(args, self.option)
|
|
if not args:
|
|
cwd = os.getcwd()
|
|
if cwd == self.rootdir:
|
|
args = self.getini('testpaths')
|
|
if not args:
|
|
args = [cwd]
|
|
self.args = args
|
|
|
|
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,))
|
|
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]
|
|
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 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, inibasenames):
|
|
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:
|
|
return base, p, iniconfig['pytest']
|
|
elif inibasename == "pytest.ini":
|
|
# allowed to be empty
|
|
return base, p, {}
|
|
return None, None, None
|
|
|
|
|
|
def get_common_ancestor(args):
|
|
# args are what we get after early command line parsing (usually
|
|
# strings, but can be py.path.local objects as well)
|
|
common_ancestor = None
|
|
for arg in args:
|
|
if str(arg)[0] == "-":
|
|
continue
|
|
p = py.path.local(arg)
|
|
if common_ancestor is None:
|
|
common_ancestor = p
|
|
else:
|
|
if p.relto(common_ancestor) or p == common_ancestor:
|
|
continue
|
|
elif common_ancestor.relto(p):
|
|
common_ancestor = p
|
|
else:
|
|
shared = p.common(common_ancestor)
|
|
if shared is not None:
|
|
common_ancestor = shared
|
|
if common_ancestor is None:
|
|
common_ancestor = py.path.local()
|
|
elif not common_ancestor.isdir():
|
|
common_ancestor = common_ancestor.dirpath()
|
|
return common_ancestor
|
|
|
|
|
|
def determine_setup(inifile, args):
|
|
if inifile:
|
|
iniconfig = py.iniconfig.IniConfig(inifile)
|
|
try:
|
|
inicfg = iniconfig["pytest"]
|
|
except KeyError:
|
|
inicfg = None
|
|
rootdir = get_common_ancestor(args)
|
|
else:
|
|
ancestor = get_common_ancestor(args)
|
|
rootdir, inifile, inicfg = getcfg(
|
|
[ancestor], ["pytest.ini", "tox.ini", "setup.cfg"])
|
|
if rootdir is None:
|
|
for rootdir in ancestor.parts(reverse=True):
|
|
if rootdir.join("setup.py").exists():
|
|
break
|
|
else:
|
|
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
|