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