""" command line options, ini-file and conftest.py processing. """
from __future__ import absolute_import, division, print_function
import argparse
import inspect
import shlex
import traceback
import types
import warnings
import copy
import six
import py
# DON't import pytest here because it causes import cycle troubles
import sys
import os
from _pytest.outcomes import Skipped
import _pytest._code
import _pytest.hookspec # the extension point definitions
import _pytest.assertion
from pluggy import PluginManager, HookimplMarker, HookspecMarker
from _pytest.compat import safe_str
from .exceptions import UsageError, PrintHelp
from .findpaths import determine_setup, exists
hookimpl = HookimplMarker("pytest")
hookspec = HookspecMarker("pytest")
# pytest startup
#
class ConftestImportFailure(Exception):
def __init__(self, path, excinfo):
Exception.__init__(self, path, excinfo)
self.path = path
self.excinfo = excinfo
def __str__(self):
etype, evalue, etb = self.excinfo
formatted = traceback.format_tb(etb)
# The level of the tracebacks we want to print is hand crafted :(
return repr(evalue) + "\n" + "".join(formatted[2:])
[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.
"""
try:
try:
config = _prepareconfig(args, plugins)
except ConftestImportFailure as e:
tw = py.io.TerminalWriter(sys.stderr)
for line in traceback.format_exception(*e.excinfo):
tw.line(line.rstrip(), red=True)
tw.line("ERROR: could not load %s\n" % (e.path,), 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 4
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",
"warnings",
"logging",
)
builtin_plugins = set(default_plugins)
builtin_plugins.add("pytester")
def get_config():
# subsequent calls to main will create a fresh instance
pluginmanager = PytestPluginManager()
config = Config(pluginmanager)
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)):
if not isinstance(args, str):
raise ValueError("not a string or argument list: %r" % (args,))
args = shlex.split(args, posix=sys.platform != "win32")
from _pytest import deprecated
warning = deprecated.MAIN_STR_ARGS
config = get_config()
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:
config.warn("C1", warning)
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._path2confmods = {}
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.
"""
warning = dict(
code="I2",
fslocation=_pytest._code.getfslineno(sys._getframe(1)),
nodeid=None,
message="use pluginmanager.add_hookspecs instead of "
"deprecated addhooks() method.",
)
self._warn(warning)
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 some historic special names which can not be hooks anyway
if name == "pytest_plugins" or name.startswith("pytest_funcarg__"):
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:
for name in ("tryfirst", "trylast", "optionalhook", "hookwrapper"):
opts.setdefault(name, hasattr(method, name))
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_"):
opts = {
"firstresult": hasattr(method, "firstresult"),
"historic": hasattr(method, "historic"),
}
return opts
[docs] def register(self, plugin, name=None):
if name in ["pytest_catchlog", "pytest_capturelog"]:
self._warn(
"{} 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))
def _warn(self, message):
kwargs = (
message
if isinstance(message, dict)
else {"code": "I1", "message": message, "fslocation": None, "nodeid": None}
)
self.hook.pytest_logwarning.call_historic(kwargs=kwargs)
#
# 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
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)
def _getconftestmodules(self, path):
if self._noconftest:
return []
try:
return self._path2confmods[path]
except KeyError:
if path.isfile():
clist = self._getconftestmodules(path.dirpath())
else:
# 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 path.parts():
if self._confcutdir and self._confcutdir.relto(parent):
continue
conftestpath = parent.join("conftest.py")
if conftestpath.isfile():
mod = self._importconftest(conftestpath)
clist.append(mod)
self._path2confmods[path] = 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:
from _pytest.deprecated import (
PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST
)
warnings.warn(PYTEST_PLUGINS_FROM_NON_TOP_LEVEL_CONFTEST)
except Exception:
raise ConftestImportFailure(conftestpath, sys.exc_info())
self._conftest_plugins.add(mod)
self._conftestpath2mod[conftestpath] = mod
dirpath = conftestpath.dirpath()
if dirpath in self._path2confmods:
for path, mods in self._path2confmods.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):
for opt1, opt2 in zip(args, args[1:]):
if opt1 == "-p":
self.consider_pluginarg(opt2)
[docs] def consider_pluginarg(self, arg):
if arg.startswith("no:"):
name = arg[3:]
self.set_blocked(name)
if not name.startswith("pytest_"):
self.set_blocked("pytest_" + name)
else:
self.import_plugin(arg)
[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):
# 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.text_type, str)), (
"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
if modname in builtin_plugins:
importspec = "_pytest." + modname
else:
importspec = modname
self.rewrite_hook.mark_rewrite(importspec)
try:
__import__(importspec)
except ImportError as e:
new_exc_type = ImportError
new_exc_message = 'Error importing plugin "%s": %s' % (
modname,
safe_str(e.args[0]),
)
new_exc = new_exc_type(new_exc_message)
six.reraise(new_exc_type, new_exc, sys.exc_info()[2])
except Skipped as e:
self._warn("skipped plugin %r: %s" % ((modname, e.msg)))
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:
if isinstance(specs, str):
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._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))
[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()
[docs] 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")._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 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()
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,
warnfunc=self.warn,
rootdir_cmd_arg=ns.rootdir or None,
)
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 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 = ns.assertmode
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
# '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 _preparse(self, args, addopts=True):
if addopts:
args[:] = shlex.split(os.environ.get("PYTEST_ADDOPTS", "")) + args
self._initini(args)
if addopts:
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=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
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
[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,))