"""Add backward compatibility support for the legacy py path type."""
import shlex
import subprocess
from pathlib import Path
from typing import List
from typing import Optional
from typing import TYPE_CHECKING
from typing import Union
import attr
from iniconfig import SectionWrapper
from _pytest.cacheprovider import Cache
from _pytest.compat import final
from _pytest.compat import LEGACY_PATH
from _pytest.compat import legacy_path
from _pytest.config import Config
from _pytest.config import hookimpl
from _pytest.config import PytestPluginManager
from _pytest.deprecated import check_ispytest
from _pytest.fixtures import fixture
from _pytest.fixtures import FixtureRequest
from _pytest.main import Session
from _pytest.monkeypatch import MonkeyPatch
from _pytest.nodes import Collector
from _pytest.nodes import Item
from _pytest.nodes import Node
from _pytest.pytester import HookRecorder
from _pytest.pytester import Pytester
from _pytest.pytester import RunResult
from _pytest.terminal import TerminalReporter
from _pytest.tmpdir import TempPathFactory
if TYPE_CHECKING:
from typing_extensions import Final
import pexpect
[文档]@final
class Testdir:
"""
Similar to :class:`Pytester`, but this class works with legacy legacy_path objects instead.
All methods just forward to an internal :class:`Pytester` instance, converting results
to `legacy_path` objects as necessary.
"""
__test__ = False
CLOSE_STDIN: "Final" = Pytester.CLOSE_STDIN
TimeoutExpired: "Final" = Pytester.TimeoutExpired
def __init__(self, pytester: Pytester, *, _ispytest: bool = False) -> None:
check_ispytest(_ispytest)
self._pytester = pytester
@property
def tmpdir(self) -> LEGACY_PATH:
"""Temporary directory where tests are executed."""
return legacy_path(self._pytester.path)
@property
def test_tmproot(self) -> LEGACY_PATH:
return legacy_path(self._pytester._test_tmproot)
@property
def request(self):
return self._pytester._request
@property
def plugins(self):
return self._pytester.plugins
@plugins.setter
def plugins(self, plugins):
self._pytester.plugins = plugins
@property
def monkeypatch(self) -> MonkeyPatch:
return self._pytester._monkeypatch
[文档] def make_hook_recorder(self, pluginmanager) -> HookRecorder:
"""See :meth:`Pytester.make_hook_recorder`."""
return self._pytester.make_hook_recorder(pluginmanager)
[文档] def chdir(self) -> None:
"""See :meth:`Pytester.chdir`."""
return self._pytester.chdir()
[文档] def finalize(self) -> None:
"""See :meth:`Pytester._finalize`."""
return self._pytester._finalize()
[文档] def makefile(self, ext, *args, **kwargs) -> LEGACY_PATH:
"""See :meth:`Pytester.makefile`."""
if ext and not ext.startswith("."):
# pytester.makefile is going to throw a ValueError in a way that
# testdir.makefile did not, because
# pathlib.Path is stricter suffixes than py.path
# This ext arguments is likely user error, but since testdir has
# allowed this, we will prepend "." as a workaround to avoid breaking
# testdir usage that worked before
ext = "." + ext
return legacy_path(self._pytester.makefile(ext, *args, **kwargs))
[文档] def makeconftest(self, source) -> LEGACY_PATH:
"""See :meth:`Pytester.makeconftest`."""
return legacy_path(self._pytester.makeconftest(source))
[文档] def makeini(self, source) -> LEGACY_PATH:
"""See :meth:`Pytester.makeini`."""
return legacy_path(self._pytester.makeini(source))
[文档] def getinicfg(self, source: str) -> SectionWrapper:
"""See :meth:`Pytester.getinicfg`."""
return self._pytester.getinicfg(source)
[文档] def makepyprojecttoml(self, source) -> LEGACY_PATH:
"""See :meth:`Pytester.makepyprojecttoml`."""
return legacy_path(self._pytester.makepyprojecttoml(source))
[文档] def makepyfile(self, *args, **kwargs) -> LEGACY_PATH:
"""See :meth:`Pytester.makepyfile`."""
return legacy_path(self._pytester.makepyfile(*args, **kwargs))
[文档] def maketxtfile(self, *args, **kwargs) -> LEGACY_PATH:
"""See :meth:`Pytester.maketxtfile`."""
return legacy_path(self._pytester.maketxtfile(*args, **kwargs))
[文档] def syspathinsert(self, path=None) -> None:
"""See :meth:`Pytester.syspathinsert`."""
return self._pytester.syspathinsert(path)
[文档] def mkdir(self, name) -> LEGACY_PATH:
"""See :meth:`Pytester.mkdir`."""
return legacy_path(self._pytester.mkdir(name))
[文档] def mkpydir(self, name) -> LEGACY_PATH:
"""See :meth:`Pytester.mkpydir`."""
return legacy_path(self._pytester.mkpydir(name))
[文档] def copy_example(self, name=None) -> LEGACY_PATH:
"""See :meth:`Pytester.copy_example`."""
return legacy_path(self._pytester.copy_example(name))
[文档] def getnode(self, config: Config, arg) -> Optional[Union[Item, Collector]]:
"""See :meth:`Pytester.getnode`."""
return self._pytester.getnode(config, arg)
[文档] def getpathnode(self, path):
"""See :meth:`Pytester.getpathnode`."""
return self._pytester.getpathnode(path)
[文档] def genitems(self, colitems: List[Union[Item, Collector]]) -> List[Item]:
"""See :meth:`Pytester.genitems`."""
return self._pytester.genitems(colitems)
[文档] def runitem(self, source):
"""See :meth:`Pytester.runitem`."""
return self._pytester.runitem(source)
[文档] def inline_runsource(self, source, *cmdlineargs):
"""See :meth:`Pytester.inline_runsource`."""
return self._pytester.inline_runsource(source, *cmdlineargs)
[文档] def inline_genitems(self, *args):
"""See :meth:`Pytester.inline_genitems`."""
return self._pytester.inline_genitems(*args)
[文档] def inline_run(self, *args, plugins=(), no_reraise_ctrlc: bool = False):
"""See :meth:`Pytester.inline_run`."""
return self._pytester.inline_run(
*args, plugins=plugins, no_reraise_ctrlc=no_reraise_ctrlc
)
[文档] def runpytest_inprocess(self, *args, **kwargs) -> RunResult:
"""See :meth:`Pytester.runpytest_inprocess`."""
return self._pytester.runpytest_inprocess(*args, **kwargs)
[文档] def runpytest(self, *args, **kwargs) -> RunResult:
"""See :meth:`Pytester.runpytest`."""
return self._pytester.runpytest(*args, **kwargs)
[文档] def parseconfig(self, *args) -> Config:
"""See :meth:`Pytester.parseconfig`."""
return self._pytester.parseconfig(*args)
[文档] def getitem(self, source, funcname="test_func"):
"""See :meth:`Pytester.getitem`."""
return self._pytester.getitem(source, funcname)
[文档] def getitems(self, source):
"""See :meth:`Pytester.getitems`."""
return self._pytester.getitems(source)
[文档] def getmodulecol(self, source, configargs=(), withinit=False):
"""See :meth:`Pytester.getmodulecol`."""
return self._pytester.getmodulecol(
source, configargs=configargs, withinit=withinit
)
[文档] def collect_by_name(
self, modcol: Collector, name: str
) -> Optional[Union[Item, Collector]]:
"""See :meth:`Pytester.collect_by_name`."""
return self._pytester.collect_by_name(modcol, name)
[文档] def popen(
self,
cmdargs,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
stdin=CLOSE_STDIN,
**kw,
):
"""See :meth:`Pytester.popen`."""
return self._pytester.popen(cmdargs, stdout, stderr, stdin, **kw)
[文档] def run(self, *cmdargs, timeout=None, stdin=CLOSE_STDIN) -> RunResult:
"""See :meth:`Pytester.run`."""
return self._pytester.run(*cmdargs, timeout=timeout, stdin=stdin)
[文档] def runpython(self, script) -> RunResult:
"""See :meth:`Pytester.runpython`."""
return self._pytester.runpython(script)
[文档] def runpython_c(self, command):
"""See :meth:`Pytester.runpython_c`."""
return self._pytester.runpython_c(command)
[文档] def runpytest_subprocess(self, *args, timeout=None) -> RunResult:
"""See :meth:`Pytester.runpytest_subprocess`."""
return self._pytester.runpytest_subprocess(*args, timeout=timeout)
[文档] def spawn_pytest(
self, string: str, expect_timeout: float = 10.0
) -> "pexpect.spawn":
"""See :meth:`Pytester.spawn_pytest`."""
return self._pytester.spawn_pytest(string, expect_timeout=expect_timeout)
[文档] def spawn(self, cmd: str, expect_timeout: float = 10.0) -> "pexpect.spawn":
"""See :meth:`Pytester.spawn`."""
return self._pytester.spawn(cmd, expect_timeout=expect_timeout)
def __repr__(self) -> str:
return f"<Testdir {self.tmpdir!r}>"
def __str__(self) -> str:
return str(self.tmpdir)
class LegacyTestdirPlugin:
@staticmethod
@fixture
def testdir(pytester: Pytester) -> Testdir:
"""
Identical to :fixture:`pytester`, and provides an instance whose methods return
legacy ``LEGACY_PATH`` objects instead when applicable.
New code should avoid using :fixture:`testdir` in favor of :fixture:`pytester`.
"""
return Testdir(pytester, _ispytest=True)
[文档]@final
@attr.s(init=False, auto_attribs=True)
class TempdirFactory:
"""Backward compatibility wrapper that implements :class:`py.path.local`
for :class:`TempPathFactory`.
.. note::
These days, it is preferred to use ``tmp_path_factory``.
:ref:`About the tmpdir and tmpdir_factory fixtures<tmpdir and tmpdir_factory>`.
"""
_tmppath_factory: TempPathFactory
def __init__(
self, tmppath_factory: TempPathFactory, *, _ispytest: bool = False
) -> None:
check_ispytest(_ispytest)
self._tmppath_factory = tmppath_factory
[文档] def mktemp(self, basename: str, numbered: bool = True) -> LEGACY_PATH:
"""Same as :meth:`TempPathFactory.mktemp`, but returns a :class:`py.path.local` object."""
return legacy_path(self._tmppath_factory.mktemp(basename, numbered).resolve())
[文档] def getbasetemp(self) -> LEGACY_PATH:
"""Same as :meth:`TempPathFactory.getbasetemp`, but returns a :class:`py.path.local` object."""
return legacy_path(self._tmppath_factory.getbasetemp().resolve())
class LegacyTmpdirPlugin:
@staticmethod
@fixture(scope="session")
def tmpdir_factory(request: FixtureRequest) -> TempdirFactory:
"""Return a :class:`pytest.TempdirFactory` instance for the test session."""
# Set dynamically by pytest_configure().
return request.config._tmpdirhandler # type: ignore
@staticmethod
@fixture
def tmpdir(tmp_path: Path) -> LEGACY_PATH:
"""Return a temporary directory path object which is unique to each test
function invocation, created as a sub directory of the base temporary
directory.
By default, a new base temporary directory is created each test session,
and old bases are removed after 3 sessions, to aid in debugging. If
``--basetemp`` is used then it is cleared each session. See :ref:`base
temporary directory`.
The returned object is a `legacy_path`_ object.
.. note::
These days, it is preferred to use ``tmp_path``.
:ref:`About the tmpdir and tmpdir_factory fixtures<tmpdir and tmpdir_factory>`.
.. _legacy_path: https://py.readthedocs.io/en/latest/path.html
"""
return legacy_path(tmp_path)
def Cache_makedir(self: Cache, name: str) -> LEGACY_PATH:
"""Return a directory path object with the given name.
Same as :func:`mkdir`, but returns a legacy py path instance.
"""
return legacy_path(self.mkdir(name))
def FixtureRequest_fspath(self: FixtureRequest) -> LEGACY_PATH:
"""(deprecated) The file system path of the test module which collected this test."""
return legacy_path(self.path)
def TerminalReporter_startdir(self: TerminalReporter) -> LEGACY_PATH:
"""The directory from which pytest was invoked.
Prefer to use ``startpath`` which is a :class:`pathlib.Path`.
:type: LEGACY_PATH
"""
return legacy_path(self.startpath)
def Config_invocation_dir(self: Config) -> LEGACY_PATH:
"""The directory from which pytest was invoked.
Prefer to use :attr:`invocation_params.dir <InvocationParams.dir>`,
which is a :class:`pathlib.Path`.
:type: LEGACY_PATH
"""
return legacy_path(str(self.invocation_params.dir))
def Config_rootdir(self: Config) -> LEGACY_PATH:
"""The path to the :ref:`rootdir <rootdir>`.
Prefer to use :attr:`rootpath`, which is a :class:`pathlib.Path`.
:type: LEGACY_PATH
"""
return legacy_path(str(self.rootpath))
def Config_inifile(self: Config) -> Optional[LEGACY_PATH]:
"""The path to the :ref:`configfile <configfiles>`.
Prefer to use :attr:`inipath`, which is a :class:`pathlib.Path`.
:type: Optional[LEGACY_PATH]
"""
return legacy_path(str(self.inipath)) if self.inipath else None
def Session_stardir(self: Session) -> LEGACY_PATH:
"""The path from which pytest was invoked.
Prefer to use ``startpath`` which is a :class:`pathlib.Path`.
:type: LEGACY_PATH
"""
return legacy_path(self.startpath)
def Config__getini_unknown_type(
self, name: str, type: str, value: Union[str, List[str]]
):
if type == "pathlist":
# TODO: This assert is probably not valid in all cases.
assert self.inipath is not None
dp = self.inipath.parent
input_values = shlex.split(value) if isinstance(value, str) else value
return [legacy_path(str(dp / x)) for x in input_values]
else:
raise ValueError(f"unknown configuration type: {type}", value)
def Node_fspath(self: Node) -> LEGACY_PATH:
"""(deprecated) returns a legacy_path copy of self.path"""
return legacy_path(self.path)
def Node_fspath_set(self: Node, value: LEGACY_PATH) -> None:
self.path = Path(value)
@hookimpl(tryfirst=True)
def pytest_load_initial_conftests(early_config: Config) -> None:
"""Monkeypatch legacy path attributes in several classes, as early as possible."""
mp = MonkeyPatch()
early_config.add_cleanup(mp.undo)
# Add Cache.makedir().
mp.setattr(Cache, "makedir", Cache_makedir, raising=False)
# Add FixtureRequest.fspath property.
mp.setattr(FixtureRequest, "fspath", property(FixtureRequest_fspath), raising=False)
# Add TerminalReporter.startdir property.
mp.setattr(
TerminalReporter, "startdir", property(TerminalReporter_startdir), raising=False
)
# Add Config.{invocation_dir,rootdir,inifile} properties.
mp.setattr(Config, "invocation_dir", property(Config_invocation_dir), raising=False)
mp.setattr(Config, "rootdir", property(Config_rootdir), raising=False)
mp.setattr(Config, "inifile", property(Config_inifile), raising=False)
# Add Session.startdir property.
mp.setattr(Session, "startdir", property(Session_stardir), raising=False)
# Add pathlist configuration type.
mp.setattr(Config, "_getini_unknown_type", Config__getini_unknown_type)
# Add Node.fspath property.
mp.setattr(Node, "fspath", property(Node_fspath, Node_fspath_set), raising=False)
@hookimpl
def pytest_configure(config: Config) -> None:
"""Installs the LegacyTmpdirPlugin if the ``tmpdir`` plugin is also installed."""
if config.pluginmanager.has_plugin("tmpdir"):
mp = MonkeyPatch()
config.add_cleanup(mp.undo)
# Create TmpdirFactory and attach it to the config object.
#
# This is to comply with existing plugins which expect the handler to be
# available at pytest_configure time, but ideally should be moved entirely
# to the tmpdir_factory session fixture.
try:
tmp_path_factory = config._tmp_path_factory # type: ignore[attr-defined]
except AttributeError:
# tmpdir plugin is blocked.
pass
else:
_tmpdirhandler = TempdirFactory(tmp_path_factory, _ispytest=True)
mp.setattr(config, "_tmpdirhandler", _tmpdirhandler, raising=False)
config.pluginmanager.register(LegacyTmpdirPlugin, "legacypath-tmpdir")
@hookimpl
def pytest_plugin_registered(plugin: object, manager: PytestPluginManager) -> None:
# pytester is not loaded by default and is commonly loaded from a conftest,
# so checking for it in `pytest_configure` is not enough.
is_pytester = plugin is manager.get_plugin("pytester")
if is_pytester and not manager.is_registered(LegacyTestdirPlugin):
manager.register(LegacyTestdirPlugin, "legacypath-pytester")
