Source code for _pytest.config

""" command line options, ini-file and conftest.py processing. """
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import argparse
import copy
import inspect
import os
import shlex
import sys
import types
import warnings

import py
import six
from pluggy import HookimplMarker
from pluggy import HookspecMarker
from pluggy import PluginManager

import _pytest._code
import _pytest.assertion
import _pytest.hookspec  # the extension point definitions
from .exceptions import PrintHelp
from .exceptions import UsageError
from .findpaths import determine_setup
from .findpaths import exists
from _pytest import deprecated
from _pytest._code import ExceptionInfo
from _pytest._code import filter_traceback
from _pytest.compat import lru_cache
from _pytest.compat import safe_str
from _pytest.outcomes import fail
from _pytest.outcomes import Skipped
from _pytest.warning_types import PytestWarning

hookimpl = HookimplMarker("pytest")
hookspec = HookspecMarker("pytest")


class ConftestImportFailure(Exception):
    def __init__(self, path, excinfo):
        Exception.__init__(self, path, excinfo)
        self.path = path
        self.excinfo = excinfo


[docs]def main(args=None, plugins=None): """ return exit code, after performing an in-process test run. :arg args: list of command line arguments. :arg plugins: list of plugin objects to be auto-registered during initialization. """ from _pytest.main import EXIT_USAGEERROR try: try: config = _prepareconfig(args, plugins) except ConftestImportFailure as e: exc_info = ExceptionInfo(e.excinfo) tw = py.io.TerminalWriter(sys.stderr) tw.line( "ImportError while loading conftest '{e.path}'.".format(e=e), red=True ) exc_info.traceback = exc_info.traceback.filter(filter_traceback) exc_repr = ( exc_info.getrepr(style="short", chain=False) if exc_info.traceback else exc_info.exconly() ) formatted_tb = safe_str(exc_repr) for line in formatted_tb.splitlines(): tw.line(line.rstrip(), red=True) return 4 else: try: return config.hook.pytest_cmdline_main(config=config) finally: config._ensure_unconfigure() except UsageError as e: tw = py.io.TerminalWriter(sys.stderr) for msg in e.args: tw.line("ERROR: {}\n".format(msg), red=True) return EXIT_USAGEERROR
class cmdline(object): # compatibility namespace main = staticmethod(main) def filename_arg(path, optname): """ Argparse type validator for filename arguments. :path: path of filename :optname: name of the option """ if os.path.isdir(path): raise UsageError("{} must be a filename, given: {}".format(optname, path)) return path def directory_arg(path, optname): """Argparse type validator for directory arguments. :path: path of directory :optname: name of the option """ if not os.path.isdir(path): raise UsageError("{} must be a directory, given: {}".format(optname, path)) return path default_plugins = ( "mark", "main", "terminal", "runner", "python", "fixtures", "debugging", "unittest", "capture", "skipping", "tmpdir", "monkeypatch", "recwarn", "pastebin", "helpconfig", "nose", "assertion", "junitxml", "resultlog", "doctest", "cacheprovider", "freeze_support", "setuponly", "setupplan", "stepwise", "warnings", "logging", "reports", ) builtin_plugins = set(default_plugins) builtin_plugins.add("pytester") def get_config(args=None): # subsequent calls to main will create a fresh instance pluginmanager = PytestPluginManager() config = Config(pluginmanager) if args is not None: # Handle any "-p no:plugin" args. pluginmanager.consider_preparse(args) for spec in default_plugins: pluginmanager.import_plugin(spec) return config def get_plugin_manager(): """ Obtain a new instance of the :py:class:`_pytest.config.PytestPluginManager`, with default plugins already loaded. This function can be used by integration with other tools, like hooking into pytest to run tests into an IDE. """ return get_config().pluginmanager def _prepareconfig(args=None, plugins=None): warning = None if args is None: args = sys.argv[1:] elif isinstance(args, py.path.local): args = [str(args)] elif not isinstance(args, (tuple, list)): msg = "`args` parameter expected to be a list or tuple of strings, got: {!r} (type: {})" raise TypeError(msg.format(args, type(args))) config = get_config(args) pluginmanager = config.pluginmanager try: if plugins: for plugin in plugins: if isinstance(plugin, six.string_types): pluginmanager.consider_pluginarg(plugin) else: pluginmanager.register(plugin) if warning: from _pytest.warnings import _issue_warning_captured _issue_warning_captured(warning, hook=config.hook, stacklevel=4) return pluginmanager.hook.pytest_cmdline_parse( pluginmanager=pluginmanager, args=args ) except BaseException: config._ensure_unconfigure() raise
[docs]class PytestPluginManager(PluginManager): """ Overwrites :py:class:`pluggy.PluginManager <pluggy.PluginManager>` to add pytest-specific functionality: * loading plugins from the command line, ``PYTEST_PLUGINS`` env variable and ``pytest_plugins`` global variables found in plugins being loaded; * ``conftest.py`` loading during start-up; """ def __init__(self): super(PytestPluginManager, self).__init__("pytest") self._conftest_plugins = set() # state related to local conftest plugins self._dirpath2confmods = {} self._conftestpath2mod = {} self._confcutdir = None self._noconftest = False self._duplicatepaths = set() self.add_hookspecs(_pytest.hookspec) self.register(self) if os.environ.get("PYTEST_DEBUG"): err = sys.stderr encoding = getattr(err, "encoding", "utf8") try: err = py.io.dupfile(err, encoding=encoding) except Exception: pass self.trace.root.setwriter(err.write) self.enable_tracing() # Config._consider_importhook will set a real object if required. self.rewrite_hook = _pytest.assertion.DummyRewriteHook() # Used to know when we are importing conftests after the pytest_configure stage self._configured = False
[docs] def addhooks(self, module_or_class): """ .. deprecated:: 2.8 Use :py:meth:`pluggy.PluginManager.add_hookspecs <PluginManager.add_hookspecs>` instead. """ warnings.warn(deprecated.PLUGIN_MANAGER_ADDHOOKS, stacklevel=2) return self.add_hookspecs(module_or_class)
[docs] def parse_hookimpl_opts(self, plugin, name): # pytest hooks are always prefixed with pytest_ # so we avoid accessing possibly non-readable attributes # (see issue #1073) if not name.startswith("pytest_"): return # ignore names which can not be hooks if name == "pytest_plugins": return method = getattr(plugin, name) opts = super(PytestPluginManager, self).parse_hookimpl_opts(plugin, name) # consider only actual functions for hooks (#3775) if not inspect.isroutine(method): return # collect unmarked hooks as long as they have the `pytest_' prefix if opts is None and name.startswith("pytest_"): opts = {} if opts is not None: # TODO: DeprecationWarning, people should use hookimpl # https://github.com/pytest-dev/pytest/issues/4562 known_marks = {m.name for m in getattr(method, "pytestmark", [])} for name in ("tryfirst", "trylast", "optionalhook", "hookwrapper"): opts.setdefault(name, hasattr(method, name) or name in known_marks) return opts
[docs] def parse_hookspec_opts(self, module_or_class, name): opts = super(PytestPluginManager, self).parse_hookspec_opts( module_or_class, name ) if opts is None: method = getattr(module_or_class, name) if name.startswith("pytest_"): # todo: deprecate hookspec hacks # https://github.com/pytest-dev/pytest/issues/4562 known_marks = {m.name for m in getattr(method, "pytestmark", [])} opts = { "firstresult": hasattr(method, "firstresult") or "firstresult" in known_marks, "historic": hasattr(method, "historic") or "historic" in known_marks, } return opts
[docs] def register(self, plugin, name=None): if name in ["pytest_catchlog", "pytest_capturelog"]: warnings.warn( PytestWarning( "{} plugin has been merged into the core, " "please remove it from your requirements.".format( name.replace("_", "-") ) ) ) return ret = super(PytestPluginManager, self).register(plugin, name) if ret: self.hook.pytest_plugin_registered.call_historic( kwargs=dict(plugin=plugin, manager=self) ) if isinstance(plugin, types.ModuleType): self.consider_module(plugin) return ret
[docs] def getplugin(self, name): # support deprecated naming because plugins (xdist e.g.) use it return self.get_plugin(name)
[docs] def hasplugin(self, name): """Return True if the plugin with the given name is registered.""" return bool(self.get_plugin(name))
[docs] def pytest_configure(self, config): # XXX now that the pluginmanager exposes hookimpl(tryfirst...) # we should remove tryfirst/trylast as markers config.addinivalue_line( "markers", "tryfirst: mark a hook implementation function such that the " "plugin machinery will try to call it first/as early as possible.", ) config.addinivalue_line( "markers", "trylast: mark a hook implementation function such that the " "plugin machinery will try to call it last/as late as possible.", ) self._configured = True
# # internal API for local conftest plugin handling # def _set_initial_conftests(self, namespace): """ load initial conftest files given a preparsed "namespace". As conftest files may add their own command line options which have arguments ('--my-opt somepath') we might get some false positives. All builtin and 3rd party plugins will have been loaded, however, so common options will not confuse our logic here. """ current = py.path.local() self._confcutdir = ( current.join(namespace.confcutdir, abs=True) if namespace.confcutdir else None ) self._noconftest = namespace.noconftest self._using_pyargs = namespace.pyargs testpaths = namespace.file_or_dir foundanchor = False for path in testpaths: path = str(path) # remove node-id syntax i = path.find("::") if i != -1: path = path[:i] anchor = current.join(path, abs=1) if exists(anchor): # we found some file object self._try_load_conftest(anchor) foundanchor = True if not foundanchor: self._try_load_conftest(current) def _try_load_conftest(self, anchor): self._getconftestmodules(anchor) # let's also consider test* subdirs if anchor.check(dir=1): for x in anchor.listdir("test*"): if x.check(dir=1): self._getconftestmodules(x) @lru_cache(maxsize=128) def _getconftestmodules(self, path): if self._noconftest: return [] if path.isfile(): directory = path.dirpath() else: directory = path if six.PY2: # py2 is not using lru_cache. try: return self._dirpath2confmods[directory] except KeyError: pass # XXX these days we may rather want to use config.rootdir # and allow users to opt into looking into the rootdir parent # directories instead of requiring to specify confcutdir clist = [] for parent in directory.realpath().parts(): if self._confcutdir and self._confcutdir.relto(parent): continue conftestpath = parent.join("conftest.py") if conftestpath.isfile(): # Use realpath to avoid loading the same conftest twice # with build systems that create build directories containing # symlinks to actual files. mod = self._importconftest(conftestpath.realpath()) clist.append(mod) self._dirpath2confmods[directory] = clist return clist def _rget_with_confmod(self, name, path): modules = self._getconftestmodules(path) for mod in reversed(modules): try: return mod, getattr(mod, name) except AttributeError: continue raise KeyError(name) def _importconftest(self, conftestpath): try: return self._conftestpath2mod[conftestpath] except KeyError: pkgpath = conftestpath.pypkgpath() if pkgpath is None: _ensure_removed_sysmodule(conftestpath.purebasename) try: mod = conftestpath.pyimport() if ( hasattr(mod, "pytest_plugins") and self._configured and not self._using_pyargs ): from _pytest.deprecated import ( PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST, ) fail( PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST.format( conftestpath, self._confcutdir ), pytrace=False, ) except Exception: raise ConftestImportFailure(conftestpath, sys.exc_info()) self._conftest_plugins.add(mod) self._conftestpath2mod[conftestpath] = mod dirpath = conftestpath.dirpath() if dirpath in self._dirpath2confmods: for path, mods in self._dirpath2confmods.items(): if path and path.relto(dirpath) or path == dirpath: assert mod not in mods mods.append(mod) self.trace("loaded conftestmodule %r" % (mod)) self.consider_conftest(mod) return mod # # API for bootstrapping plugin loading # #
[docs] def consider_preparse(self, args): i = 0 n = len(args) while i < n: opt = args[i] i += 1 if isinstance(opt, six.string_types): if opt == "-p": try: parg = args[i] except IndexError: return i += 1 elif opt.startswith("-p"): parg = opt[2:] else: continue self.consider_pluginarg(parg)
[docs] def consider_pluginarg(self, arg): if arg.startswith("no:"): name = arg[3:] # PR #4304 : remove stepwise if cacheprovider is blocked if name == "cacheprovider": self.set_blocked("stepwise") self.set_blocked("pytest_stepwise") self.set_blocked(name) if not name.startswith("pytest_"): self.set_blocked("pytest_" + name) else: name = arg # Unblock the plugin. None indicates that it has been blocked. # There is no interface with pluggy for this. if self._name2plugin.get(name, -1) is None: del self._name2plugin[name] if not name.startswith("pytest_"): if self._name2plugin.get("pytest_" + name, -1) is None: del self._name2plugin["pytest_" + name] self.import_plugin(arg, consider_entry_points=True)
[docs] def consider_conftest(self, conftestmodule): self.register(conftestmodule, name=conftestmodule.__file__)
[docs] def consider_env(self): self._import_plugin_specs(os.environ.get("PYTEST_PLUGINS"))
[docs] def consider_module(self, mod): self._import_plugin_specs(getattr(mod, "pytest_plugins", []))
def _import_plugin_specs(self, spec): plugins = _get_plugin_specs_as_list(spec) for import_spec in plugins: self.import_plugin(import_spec)
[docs] def import_plugin(self, modname, consider_entry_points=False): """ Imports a plugin with ``modname``. If ``consider_entry_points`` is True, entry point names are also considered to find a plugin. """ # most often modname refers to builtin modules, e.g. "pytester", # "terminal" or "capture". Those plugins are registered under their # basename for historic purposes but must be imported with the # _pytest prefix. assert isinstance(modname, six.string_types), ( "module name as text required, got %r" % modname ) modname = str(modname) if self.is_blocked(modname) or self.get_plugin(modname) is not None: return importspec = "_pytest." + modname if modname in builtin_plugins else modname self.rewrite_hook.mark_rewrite(importspec) if consider_entry_points: loaded = self.load_setuptools_entrypoints("pytest11", name=modname) if loaded: return try: __import__(importspec) except ImportError as e: new_exc_message = 'Error importing plugin "%s": %s' % ( modname, safe_str(e.args[0]), ) new_exc = ImportError(new_exc_message) tb = sys.exc_info()[2] six.reraise(ImportError, new_exc, tb) except Skipped as e: from _pytest.warnings import _issue_warning_captured _issue_warning_captured( PytestWarning("skipped plugin %r: %s" % (modname, e.msg)), self.hook, stacklevel=1, ) else: mod = sys.modules[importspec] self.register(mod, modname)
def _get_plugin_specs_as_list(specs): """ Parses a list of "plugin specs" and returns a list of plugin names. Plugin specs can be given as a list of strings separated by "," or already as a list/tuple in which case it is returned as a list. Specs can also be `None` in which case an empty list is returned. """ if specs is not None and not isinstance(specs, types.ModuleType): if isinstance(specs, six.string_types): specs = specs.split(",") if specs else [] if not isinstance(specs, (list, tuple)): raise UsageError( "Plugin specs must be a ','-separated string or a " "list/tuple of strings for plugin names. Given: %r" % specs ) return list(specs) return [] def _ensure_removed_sysmodule(modname): try: del sys.modules[modname] except KeyError: pass class Notset(object): def __repr__(self): return "<NOTSET>" notset = Notset() 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
[docs]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 = argparse.Namespace() from .argparsing import Parser, FILE_OR_DIR _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.pluginmanager.register(self, "pytestconfig") self._configured = False self.invocation_dir = py.path.local() self.hook.pytest_addoption.call_historic(kwargs=dict(parser=self._parser))
[docs] 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 get_terminal_writer(self): return self.pluginmanager.get_plugin("terminalreporter")._tw def pytest_cmdline_parse(self, pluginmanager, args): try: self.parse(args) except UsageError: # Handle --version and --help here in a minimal fashion. # This gets done via helpconfig normally, but its # pytest_cmdline_main is not called in case of errors. if getattr(self.option, "version", False) or "--version" in args: from _pytest.helpconfig import showversion showversion(self) elif ( getattr(self.option, "help", False) or "--help" in args or "-h" in args ): self._parser._getparser().print_help() sys.stdout.write( "\nNOTE: displaying only minimal help due to UsageError.\n\n" ) raise return self def notify_exception(self, excinfo, option=None): if option and getattr(option, "fulltrace", False): 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
[docs] @classmethod def fromdictargs(cls, option_dict, args): """ constructor useable for subprocesses. """ config = get_config(args) 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=copy.copy(self.option) ) r = determine_setup( ns.inifilename, ns.file_or_dir + unknown_args, rootdir_cmd_arg=ns.rootdir or None, config=self, ) self.rootdir, self.inifile, self.inicfg = r self._parser.extra_info["rootdir"] = self.rootdir self._parser.extra_info["inifile"] = self.inifile 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 rewriting. Needs to parse the --assert=<mode> option from the commandline and find all the installed plugins to mark them for rewriting by the importhook. """ ns, unknown_args = self._parser.parse_known_and_unknown_args(args) mode = getattr(ns, "assertmode", "plain") if mode == "rewrite": try: hook = _pytest.assertion.install_importhook(self) except SystemError: mode = "plain" else: self._mark_plugins_for_rewrite(hook) _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 if os.environ.get("PYTEST_DISABLE_PLUGIN_AUTOLOAD"): # We don't autoload from setuptools entry points, no need to continue. return # '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 _validate_args(self, args, via): """Validate known args.""" self._parser._config_source_hint = via try: self._parser.parse_known_and_unknown_args( args, namespace=copy.copy(self.option) ) finally: del self._parser._config_source_hint return args def _preparse(self, args, addopts=True): if addopts: env_addopts = os.environ.get("PYTEST_ADDOPTS", "") if len(env_addopts): args[:] = ( self._validate_args(shlex.split(env_addopts), "via PYTEST_ADDOPTS") + args ) self._initini(args) if addopts: args[:] = ( self._validate_args(self.getini("addopts"), "via addopts config") + args ) self._checkversion() self._consider_importhook(args) self.pluginmanager.consider_preparse(args) if not os.environ.get("PYTEST_DISABLE_PLUGIN_AUTOLOAD"): # Don't autoload from setuptools entry point. Only explicitly specified # plugins are going to be loaded. self.pluginmanager.load_setuptools_entrypoints("pytest11") self.pluginmanager.consider_env() self.known_args_namespace = ns = self._parser.parse_known_args( args, namespace=copy.copy(self.option) ) 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 from _pytest.warnings import _issue_warning_captured _issue_warning_captured( PytestWarning( "could not load initial conftests: {}".format(e.path) ), self.hook, stacklevel=2, ) else: raise def _checkversion(self): import pytest from pkg_resources import parse_version minver = self.inicfg.get("minversion", None) if minver: if parse_version(minver) > parse_version(pytest.__version__): 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: if self.invocation_dir == self.rootdir: args = self.getini("testpaths") if not args: args = [str(self.invocation_dir)] self.args = args except PrintHelp: pass
[docs] 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
[docs] 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() values = [] for relpath in shlex.split(value): values.append(dp.join(relpath, abs=True)) return values 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() values = [] for relroot in relroots: if not isinstance(relroot, py.path.local): relroot = relroot.replace("/", py.path.local.sep) relroot = modpath.join(relroot, abs=True) values.append(relroot) return values def _get_override_ini_value(self, name): value = None # override_ini is a list of "ini=value" options # always use the last item if multiple values are set for same ini-name, # e.g. -o foo=bar1 -o foo=bar2 will set foo to bar2 for ini_config in self._override_ini: try: key, user_ini_value = ini_config.split("=", 1) except ValueError: raise UsageError("-o/--override-ini expects option=value style.") else: if key == name: value = user_ini_value return value
[docs] 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,))
[docs] def getvalue(self, name, path=None): """ (deprecated, use getoption()) """ return self.getoption(name)
[docs] def getvalueorskip(self, name, path=None): """ (deprecated, use getoption(skip=True)) """ return self.getoption(name, skip=True)
def _assertion_supported(): try: assert False except AssertionError: return True else: return False def _warn_about_missing_assertion(mode): if not _assertion_supported(): 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 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,))