text: """(Disabled by default) support for testing pytest and pytest plugins.
  
  PYTEST_DONT_REWRITE
  """
  import collections.abc
  import contextlib
  import gc
  import importlib
  import os
  import platform
  import re
  import shutil
  import subprocess
  import sys
  import traceback
  from fnmatch import fnmatch
  from io import StringIO
  from pathlib import Path
  from typing import Any
  from typing import Callable
  from typing import Dict
  from typing import Generator
  from typing import IO
  from typing import Iterable
  from typing import List
  from typing import Optional
  from typing import overload
  from typing import Sequence
  from typing import TextIO
  from typing import Tuple
  from typing import Type
  from typing import TYPE_CHECKING
  from typing import Union
  from weakref import WeakKeyDictionary
  
  from iniconfig import IniConfig
  from iniconfig import SectionWrapper
  
  from _pytest import timing
  from _pytest._code import Source
  from _pytest.capture import _get_multicapture
  from _pytest.compat import final
  from _pytest.compat import LEGACY_PATH
  from _pytest.compat import legacy_path
  from _pytest.compat import NOTSET
  from _pytest.compat import NotSetType
  from _pytest.config import _PluggyPlugin
  from _pytest.config import Config
  from _pytest.config import ExitCode
  from _pytest.config import hookimpl
  from _pytest.config import main
  from _pytest.config import PytestPluginManager
  from _pytest.config.argparsing import Parser
  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.outcomes import fail
  from _pytest.outcomes import importorskip
  from _pytest.outcomes import skip
  from _pytest.pathlib import bestrelpath
  from _pytest.pathlib import copytree
  from _pytest.pathlib import make_numbered_dir
  from _pytest.reports import CollectReport
  from _pytest.reports import TestReport
  from _pytest.tmpdir import TempPathFactory
  from _pytest.warning_types import PytestWarning
  
  
  if TYPE_CHECKING:
      from typing_extensions import Final
      from typing_extensions import Literal
  
      import pexpect
  
  
  pytest_plugins = ["pytester_assertions"]
  
  
  IGNORE_PAM = [  # filenames added when obtaining details about the current user
      "/var/lib/sss/mc/passwd"
  ]
  
  
  def pytest_addoption(parser: Parser) -> None:
      parser.addoption(
          "--lsof",
          action="store_true",
          dest="lsof",
          default=False,
          help="run FD checks if lsof is available",
      )
  
      parser.addoption(
          "--runpytest",
          default="inprocess",
          dest="runpytest",
          choices=("inprocess", "subprocess"),
          help=(
              "run pytest sub runs in tests using an 'inprocess' "
              "or 'subprocess' (python -m main) method"
          ),
      )
  
      parser.addini(
          "pytester_example_dir", help="directory to take the pytester example files from"
      )
  
  
  def pytest_configure(config: Config) -> None:
      if config.getvalue("lsof"):
          checker = LsofFdLeakChecker()
          if checker.matching_platform():
              config.pluginmanager.register(checker)
  
      config.addinivalue_line(
          "markers",
          "pytester_example_path(*path_segments): join the given path "
          "segments to `pytester_example_dir` for this test.",
      )
  
  
  class LsofFdLeakChecker:
      def get_open_files(self) -> List[Tuple[str, str]]:
          out = subprocess.run(
              ("lsof", "-Ffn0", "-p", str(os.getpid())),
              stdout=subprocess.PIPE,
              stderr=subprocess.DEVNULL,
              check=True,
              universal_newlines=True,
          ).stdout
  
          def isopen(line: str) -> bool:
              return line.startswith("f") and (
                  "deleted" not in line
                  and "mem" not in line
                  and "txt" not in line
                  and "cwd" not in line
              )
  
          open_files = []
  
          for line in out.split("\n"):
              if isopen(line):
                  fields = line.split("\0")
                  fd = fields[0][1:]
                  filename = fields[1][1:]
                  if filename in IGNORE_PAM:
                      continue
                  if filename.startswith("/"):
                      open_files.append((fd, filename))
  
          return open_files
  
      def matching_platform(self) -> bool:
          try:
              subprocess.run(("lsof", "-v"), check=True)
          except (OSError, subprocess.CalledProcessError):
              return False
          else:
              return True
  
      @hookimpl(hookwrapper=True, tryfirst=True)
      def pytest_runtest_protocol(self, item: Item) -> Generator[None, None, None]:
          lines1 = self.get_open_files()
          yield
          if hasattr(sys, "pypy_version_info"):
              gc.collect()
          lines2 = self.get_open_files()
  
          new_fds = {t[0] for t in lines2} - {t[0] for t in lines1}
          leaked_files = [t for t in lines2 if t[0] in new_fds]
          if leaked_files:
              error = [
                  "***** %s FD leakage detected" % len(leaked_files),
                  *(str(f) for f in leaked_files),
                  "*** Before:",
                  *(str(f) for f in lines1),
                  "*** After:",
                  *(str(f) for f in lines2),
                  "***** %s FD leakage detected" % len(leaked_files),
                  "*** function %s:%s: %s " % item.location,
                  "See issue #2366",
              ]
              item.warn(PytestWarning("\n".join(error)))
  
  
  # used at least by pytest-xdist plugin
  
  
  @fixture
  def _pytest(request: FixtureRequest) -> "PytestArg":
      """Return a helper which offers a gethookrecorder(hook) method which
      returns a HookRecorder instance which helps to make assertions about called
      hooks."""
      return PytestArg(request)
  
  
  class PytestArg:
      def __init__(self, request: FixtureRequest) -> None:
          self._request = request
  
      def gethookrecorder(self, hook) -> "HookRecorder":
          hookrecorder = HookRecorder(hook._pm)
          self._request.addfinalizer(hookrecorder.finish_recording)
          return hookrecorder
  
  
  def get_public_names(values: Iterable[str]) -> List[str]:
      """Only return names from iterator values without a leading underscore."""
      return [x for x in values if x[0] != "_"]
  
  
  class ParsedCall:
      def __init__(self, name: str, kwargs) -> None:
          self.__dict__.update(kwargs)
          self._name = name
  
      def __repr__(self) -> str:
          d = self.__dict__.copy()
          del d["_name"]
          return f"<ParsedCall {self._name!r}(**{d!r})>"
  
      if TYPE_CHECKING:
          # The class has undetermined attributes, this tells mypy about it.
          def __getattr__(self, key: str):
              ...
  
  
  class HookRecorder:
      """Record all hooks called in a plugin manager.
  
      This wraps all the hook calls in the plugin manager, recording each call
      before propagating the normal calls.
      """
  
      def __init__(self, pluginmanager: PytestPluginManager) -> None:
          self._pluginmanager = pluginmanager
          self.calls: List[ParsedCall] = []
          self.ret: Optional[Union[int, ExitCode]] = None
  
          def before(hook_name: str, hook_impls, kwargs) -> None:
              self.calls.append(ParsedCall(hook_name, kwargs))
  
          def after(outcome, hook_name: str, hook_impls, kwargs) -> None:
              pass
  
          self._undo_wrapping = pluginmanager.add_hookcall_monitoring(before, after)
  
      def finish_recording(self) -> None:
          self._undo_wrapping()
  
      def getcalls(self, names: Union[str, Iterable[str]]) -> List[ParsedCall]:
          if isinstance(names, str):
              names = names.split()
          return [call for call in self.calls if call._name in names]
  
      def assert_contains(self, entries: Sequence[Tuple[str, str]]) -> None:
          __tracebackhide__ = True
          i = 0
          entries = list(entries)
          backlocals = sys._getframe(1).f_locals
          while entries:
              name, check = entries.pop(0)
              for ind, call in enumerate(self.calls[i:]):
                  if call._name == name:
                      print("NAMEMATCH", name, call)
                      if eval(check, backlocals, call.__dict__):
                          print("CHECKERMATCH", repr(check), "->", call)
                      else:
                          print("NOCHECKERMATCH", repr(check), "-", call)
                          continue
                      i += ind + 1
                      break
                  print("NONAMEMATCH", name, "with", call)
              else:
                  fail(f"could not find {name!r} check {check!r}")
  
      def popcall(self, name: str) -> ParsedCall:
          __tracebackhide__ = True
          for i, call in enumerate(self.calls):
              if call._name == name:
                  del self.calls[i]
                  return call
          lines = [f"could not find call {name!r}, in:"]
          lines.extend(["  %s" % x for x in self.calls])
          fail("\n".join(lines))
  
      def getcall(self, name: str) -> ParsedCall:
          values = self.getcalls(name)
          assert len(values) == 1, (name, values)
          return values[0]
  
      # functionality for test reports
  
      @overload
      def getreports(
          self,
          names: "Literal['pytest_collectreport']",
      ) -> Sequence[CollectReport]:
          ...
  
      @overload
      def getreports(
          self,
          names: "Literal['pytest_runtest_logreport']",
      ) -> Sequence[TestReport]:
          ...
  
      @overload
      def getreports(
          self,
          names: Union[str, Iterable[str]] = (
              "pytest_collectreport",
              "pytest_runtest_logreport",
          ),
      ) -> Sequence[Union[CollectReport, TestReport]]:
          ...
  
      def getreports(
          self,
          names: Union[str, Iterable[str]] = (
              "pytest_collectreport",
              "pytest_runtest_logreport",
          ),
      ) -> Sequence[Union[CollectReport, TestReport]]:
          return [x.report for x in self.getcalls(names)]
  
      def matchreport(
          self,
          inamepart: str = "",
          names: Union[str, Iterable[str]] = (
              "pytest_runtest_logreport",
              "pytest_collectreport",
          ),
          when: Optional[str] = None,
      ) -> Union[CollectReport, TestReport]:
          """Return a testreport whose dotted import path matches."""
          values = []
          for rep in self.getreports(names=names):
              if not when and rep.when != "call" and rep.passed:
                  # setup/teardown passing reports - let's ignore those
                  continue
              if when and rep.when != when:
                  continue
              if not inamepart or inamepart in rep.nodeid.split("::"):
                  values.append(rep)
          if not values:
              raise ValueError(
                  "could not find test report matching %r: "
                  "no test reports at all!" % (inamepart,)
              )
          if len(values) > 1:
              raise ValueError(
                  "found 2 or more testreports matching {!r}: {}".format(
                      inamepart, values
                  )
              )
          return values[0]
  
      @overload
      def getfailures(
          self,
          names: "Literal['pytest_collectreport']",
      ) -> Sequence[CollectReport]:
          ...
  
      @overload
      def getfailures(
          self,
          names: "Literal['pytest_runtest_logreport']",
      ) -> Sequence[TestReport]:
          ...
  
      @overload
      def getfailures(
          self,
          names: Union[str, Iterable[str]] = (
              "pytest_collectreport",
              "pytest_runtest_logreport",
          ),
      ) -> Sequence[Union[CollectReport, TestReport]]:
          ...
  
      def getfailures(
          self,
          names: Union[str, Iterable[str]] = (
              "pytest_collectreport",
              "pytest_runtest_logreport",
          ),
      ) -> Sequence[Union[CollectReport, TestReport]]:
          return [rep for rep in self.getreports(names) if rep.failed]
  
      def getfailedcollections(self) -> Sequence[CollectReport]:
          return self.getfailures("pytest_collectreport")
  
      def listoutcomes(
          self,
      ) -> Tuple[
          Sequence[TestReport],
          Sequence[Union[CollectReport, TestReport]],
          Sequence[Union[CollectReport, TestReport]],
      ]:
          passed = []
          skipped = []
          failed = []
          for rep in self.getreports(
              ("pytest_collectreport", "pytest_runtest_logreport")
          ):
              if rep.passed:
                  if rep.when == "call":
                      assert isinstance(rep, TestReport)
                      passed.append(rep)
              elif rep.skipped:
                  skipped.append(rep)
              else:
                  assert rep.failed, f"Unexpected outcome: {rep!r}"
                  failed.append(rep)
          return passed, skipped, failed
  
      def countoutcomes(self) -> List[int]:
          return [len(x) for x in self.listoutcomes()]
  
      def assertoutcome(self, passed: int = 0, skipped: int = 0, failed: int = 0) -> None:
          __tracebackhide__ = True
          from _pytest.pytester_assertions import assertoutcome
  
          outcomes = self.listoutcomes()
          assertoutcome(
              outcomes,
              passed=passed,
              skipped=skipped,
              failed=failed,
          )
  
      def clear(self) -> None:
          self.calls[:] = []
  
  
  @fixture
  def linecomp() -> "LineComp":
      """A :class: `LineComp` instance for checking that an input linearly
      contains a sequence of strings."""
      return LineComp()
  
  
  @fixture(name="LineMatcher")
  def LineMatcher_fixture(request: FixtureRequest) -> Type["LineMatcher"]:
      """A reference to the :class: `LineMatcher`.
  
      This is instantiable with a list of lines (without their trailing newlines).
      This is useful for testing large texts, such as the output of commands.
      """
      return LineMatcher
  
  
  @fixture
  def pytester(request: FixtureRequest, tmp_path_factory: TempPathFactory) -> "Pytester":
      """
      Facilities to write tests/configuration files, execute pytest in isolation, and match
      against expected output, perfect for black-box testing of pytest plugins.
  
      It attempts to isolate the test run from external factors as much as possible, modifying
      the current working directory to ``path`` and environment variables during initialization.
  
      It is particularly useful for testing plugins. It is similar to the :fixture:`tmp_path`
      fixture but provides methods which aid in testing pytest itself.
      """
      return Pytester(request, tmp_path_factory, _ispytest=True)
  
  
  @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)
  
  
  @fixture
  def _sys_snapshot() -> Generator[None, None, None]:
      snappaths = SysPathsSnapshot()
      snapmods = SysModulesSnapshot()
      yield
      snapmods.restore()
      snappaths.restore()
  
  
  @fixture
  def _config_for_test() -> Generator[Config, None, None]:
      from _pytest.config import get_config
  
      config = get_config()
      yield config
      config._ensure_unconfigure()  # cleanup, e.g. capman closing tmpfiles.
  
  
  # Regex to match the session duration string in the summary: "74.34s".
  rex_session_duration = re.compile(r"\d+\.\d\ds")
  # Regex to match all the counts and phrases in the summary line: "34 passed, 111 skipped".
  rex_outcome = re.compile(r"(\d+) (\w+)")
  
  
  class RunResult:
      """The result of running a command."""
  
      def __init__(
          self,
          ret: Union[int, ExitCode],
          outlines: List[str],
          errlines: List[str],
          duration: float,
      ) -> None:
          try:
              self.ret: Union[int, ExitCode] = ExitCode(ret)
              """The return value."""
          except ValueError:
              self.ret = ret
          self.outlines = outlines
          """List of lines captured from stdout."""
          self.errlines = errlines
          """List of lines captured from stderr."""
          self.stdout = LineMatcher(outlines)
          """:class:`LineMatcher` of stdout.
  
          Use e.g. :func:`str(stdout) <LineMatcher.__str__()>` to reconstruct stdout, or the commonly used
          :func:`stdout.fnmatch_lines() <LineMatcher.fnmatch_lines()>` method.
          """
          self.stderr = LineMatcher(errlines)
          """:class:`LineMatcher` of stderr."""
          self.duration = duration
          """Duration in seconds."""
  
      def __repr__(self) -> str:
          return (
              "<RunResult ret=%s len(stdout.lines)=%d len(stderr.lines)=%d duration=%.2fs>"
              % (self.ret, len(self.stdout.lines), len(self.stderr.lines), self.duration)
          )
  
      def parseoutcomes(self) -> Dict[str, int]:
          """Return a dictionary of outcome noun -> count from parsing the terminal
          output that the test process produced.
  
          The returned nouns will always be in plural form::
  
              ======= 1 failed, 1 passed, 1 warning, 1 error in 0.13s ====
  
          Will return ``{"failed": 1, "passed": 1, "warnings": 1, "errors": 1}``.
          """
          return self.parse_summary_nouns(self.outlines)
  
      @classmethod
      def parse_summary_nouns(cls, lines) -> Dict[str, int]:
          """Extract the nouns from a pytest terminal summary line.
  
          It always returns the plural noun for consistency::
  
              ======= 1 failed, 1 passed, 1 warning, 1 error in 0.13s ====
  
          Will return ``{"failed": 1, "passed": 1, "warnings": 1, "errors": 1}``.
          """
          for line in reversed(lines):
              if rex_session_duration.search(line):
                  outcomes = rex_outcome.findall(line)
                  ret = {noun: int(count) for (count, noun) in outcomes}
                  break
          else:
              raise ValueError("Pytest terminal summary report not found")
  
          to_plural = {
              "warning": "warnings",
              "error": "errors",
          }
          return {to_plural.get(k, k): v for k, v in ret.items()}
  
      def assert_outcomes(
          self,
          passed: int = 0,
          skipped: int = 0,
          failed: int = 0,
          errors: int = 0,
          xpassed: int = 0,
          xfailed: int = 0,
          warnings: int = 0,
          deselected: int = 0,
      ) -> None:
          """Assert that the specified outcomes appear with the respective
          numbers (0 means it didn't occur) in the text output from a test run."""
          __tracebackhide__ = True
          from _pytest.pytester_assertions import assert_outcomes
  
          outcomes = self.parseoutcomes()
          assert_outcomes(
              outcomes,
              passed=passed,
              skipped=skipped,
              failed=failed,
              errors=errors,
              xpassed=xpassed,
              xfailed=xfailed,
              warnings=warnings,
              deselected=deselected,
          )
  
  
  class CwdSnapshot:
      def __init__(self) -> None:
          self.__saved = os.getcwd()
  
      def restore(self) -> None:
          os.chdir(self.__saved)
  
  
  class SysModulesSnapshot:
      def __init__(self, preserve: Optional[Callable[[str], bool]] = None) -> None:
          self.__preserve = preserve
          self.__saved = dict(sys.modules)
  
      def restore(self) -> None:
          if self.__preserve:
              self.__saved.update(
                  (k, m) for k, m in sys.modules.items() if self.__preserve(k)
              )
          sys.modules.clear()
          sys.modules.update(self.__saved)
  
  
  class SysPathsSnapshot:
      def __init__(self) -> None:
          self.__saved = list(sys.path), list(sys.meta_path)
  
      def restore(self) -> None:
          sys.path[:], sys.meta_path[:] = self.__saved
  
  
  @final
  class Pytester:
      """
      Facilities to write tests/configuration files, execute pytest in isolation, and match
      against expected output, perfect for black-box testing of pytest plugins.
  
      It attempts to isolate the test run from external factors as much as possible, modifying
      the current working directory to ``path`` and environment variables during initialization.
  
      Attributes:
  
      :ivar Path path: temporary directory path used to create files/run tests from, etc.
  
      :ivar plugins:
         A list of plugins to use with :py:meth:`parseconfig` and
         :py:meth:`runpytest`.  Initially this is an empty list but plugins can
         be added to the list.  The type of items to add to the list depends on
         the method using them so refer to them for details.
      """
  
      __test__ = False
  
      CLOSE_STDIN: "Final" = NOTSET
  
      class TimeoutExpired(Exception):
          pass
  
      def __init__(
          self,
          request: FixtureRequest,
          tmp_path_factory: TempPathFactory,
          *,
          _ispytest: bool = False,
      ) -> None:
          check_ispytest(_ispytest)
          self._request = request
          self._mod_collections: WeakKeyDictionary[
              Collector, List[Union[Item, Collector]]
          ] = WeakKeyDictionary()
          if request.function:
              name: str = request.function.__name__
          else:
              name = request.node.name
          self._name = name
          self._path: Path = tmp_path_factory.mktemp(name, numbered=True)
          self.plugins: List[Union[str, _PluggyPlugin]] = []
          self._cwd_snapshot = CwdSnapshot()
          self._sys_path_snapshot = SysPathsSnapshot()
          self._sys_modules_snapshot = self.__take_sys_modules_snapshot()
          self.chdir()
          self._request.addfinalizer(self._finalize)
          self._method = self._request.config.getoption("--runpytest")
          self._test_tmproot = tmp_path_factory.mktemp(f"tmp-{name}", numbered=True)
  
          self._monkeypatch = mp = MonkeyPatch()
          mp.setenv("PYTEST_DEBUG_TEMPROOT", str(self._test_tmproot))
          # Ensure no unexpected caching via tox.
          mp.delenv("TOX_ENV_DIR", raising=False)
          # Discard outer pytest options.
          mp.delenv("PYTEST_ADDOPTS", raising=False)
          # Ensure no user config is used.
          tmphome = str(self.path)
          mp.setenv("HOME", tmphome)
          mp.setenv("USERPROFILE", tmphome)
          # Do not use colors for inner runs by default.
          mp.setenv("PY_COLORS", "0")
  
      @property
      def path(self) -> Path:
          """Temporary directory where files are created and pytest is executed."""
          return self._path
  
      def __repr__(self) -> str:
          return f"<Pytester {self.path!r}>"
  
      def _finalize(self) -> None:
          """
          Clean up global state artifacts.
  
          Some methods modify the global interpreter state and this tries to
          clean this up. It does not remove the temporary directory however so
          it can be looked at after the test run has finished.
          """
          self._sys_modules_snapshot.restore()
          self._sys_path_snapshot.restore()
          self._cwd_snapshot.restore()
          self._monkeypatch.undo()
  
      def __take_sys_modules_snapshot(self) -> SysModulesSnapshot:
          # Some zope modules used by twisted-related tests keep internal state
          # and can't be deleted; we had some trouble in the past with
          # `zope.interface` for example.
          #
          # Preserve readline due to https://bugs.python.org/issue41033.
          # pexpect issues a SIGWINCH.
          def preserve_module(name):
              return name.startswith(("zope", "readline"))
  
          return SysModulesSnapshot(preserve=preserve_module)
  
      def make_hook_recorder(self, pluginmanager: PytestPluginManager) -> HookRecorder:
          """Create a new :py:class:`HookRecorder` for a PluginManager."""
          pluginmanager.reprec = reprec = HookRecorder(pluginmanager)
          self._request.addfinalizer(reprec.finish_recording)
          return reprec
  
      def chdir(self) -> None:
          """Cd into the temporary directory.
  
          This is done automatically upon instantiation.
          """
          os.chdir(self.path)
  
      def _makefile(
          self,
          ext: str,
          lines: Sequence[Union[Any, bytes]],
          files: Dict[str, str],
          encoding: str = "utf-8",
      ) -> Path:
          items = list(files.items())
  
          if ext and not ext.startswith("."):
              raise ValueError(
                  f"pytester.makefile expects a file extension, try .{ext} instead of {ext}"
              )
  
          def to_text(s: Union[Any, bytes]) -> str:
              return s.decode(encoding) if isinstance(s, bytes) else str(s)
  
          if lines:
              source = "\n".join(to_text(x) for x in lines)
              basename = self._name
              items.insert(0, (basename, source))
  
          ret = None
          for basename, value in items:
              p = self.path.joinpath(basename).with_suffix(ext)
              p.parent.mkdir(parents=True, exist_ok=True)
              source_ = Source(value)
              source = "\n".join(to_text(line) for line in source_.lines)
              p.write_text(source.strip(), encoding=encoding)
              if ret is None:
                  ret = p
          assert ret is not None
          return ret
  
      def makefile(self, ext: str, *args: str, **kwargs: str) -> Path:
          r"""Create new text file(s) in the test directory.
  
          :param str ext:
              The extension the file(s) should use, including the dot, e.g. `.py`.
          :param args:
              All args are treated as strings and joined using newlines.
              The result is written as contents to the file.  The name of the
              file is based on the test function requesting this fixture.
          :param kwargs:
              Each keyword is the name of a file, while the value of it will
              be written as contents of the file.
  
          Examples:
  
          .. code-block:: python
  
              pytester.makefile(".txt", "line1", "line2")
  
              pytester.makefile(".ini", pytest="[pytest]\naddopts=-rs\n")
  
          To create binary files, use :meth:`pathlib.Path.write_bytes` directly:
  
          .. code-block:: python
  
              filename = pytester.path.joinpath("foo.bin")
              filename.write_bytes(b"...")
          """
          return self._makefile(ext, args, kwargs)
  
      def makeconftest(self, source: str) -> Path:
          """Write a contest.py file with 'source' as contents."""
          return self.makepyfile(conftest=source)
  
      def makeini(self, source: str) -> Path:
          """Write a tox.ini file with 'source' as contents."""
          return self.makefile(".ini", tox=source)
  
      def getinicfg(self, source: str) -> SectionWrapper:
          """Return the pytest section from the tox.ini config file."""
          p = self.makeini(source)
          return IniConfig(str(p))["pytest"]
  
      def makepyprojecttoml(self, source: str) -> Path:
          """Write a pyproject.toml file with 'source' as contents.
  
          .. versionadded:: 6.0
          """
          return self.makefile(".toml", pyproject=source)
  
      def makepyfile(self, *args, **kwargs) -> Path:
          r"""Shortcut for .makefile() with a .py extension.
  
          Defaults to the test name with a '.py' extension, e.g test_foobar.py, overwriting
          existing files.
  
          Examples:
  
          .. code-block:: python
  
              def test_something(pytester):
                  # Initial file is created test_something.py.
                  pytester.makepyfile("foobar")
                  # To create multiple files, pass kwargs accordingly.
                  pytester.makepyfile(custom="foobar")
                  # At this point, both 'test_something.py' & 'custom.py' exist in the test directory.
  
          """
          return self._makefile(".py", args, kwargs)
  
      def maketxtfile(self, *args, **kwargs) -> Path:
          r"""Shortcut for .makefile() with a .txt extension.
  
          Defaults to the test name with a '.txt' extension, e.g test_foobar.txt, overwriting
          existing files.
  
          Examples:
  
          .. code-block:: python
  
              def test_something(pytester):
                  # Initial file is created test_something.txt.
                  pytester.maketxtfile("foobar")
                  # To create multiple files, pass kwargs accordingly.
                  pytester.maketxtfile(custom="foobar")
                  # At this point, both 'test_something.txt' & 'custom.txt' exist in the test directory.
  
          """
          return self._makefile(".txt", args, kwargs)
  
      def syspathinsert(
          self, path: Optional[Union[str, "os.PathLike[str]"]] = None
      ) -> None:
          """Prepend a directory to sys.path, defaults to :attr:`path`.
  
          This is undone automatically when this object dies at the end of each
          test.
          """
          if path is None:
              path = self.path
  
          self._monkeypatch.syspath_prepend(str(path))
  
      def mkdir(self, name: str) -> Path:
          """Create a new (sub)directory."""
          p = self.path / name
          p.mkdir()
          return p
  
      def mkpydir(self, name: str) -> Path:
          """Create a new python package.
  
          This creates a (sub)directory with an empty ``__init__.py`` file so it
          gets recognised as a Python package.
          """
          p = self.path / name
          p.mkdir()
          p.joinpath("__init__.py").touch()
          return p
  
      def copy_example(self, name: Optional[str] = None) -> Path:
          """Copy file from project's directory into the testdir.
  
          :param str name: The name of the file to copy.
          :return: path to the copied directory (inside ``self.path``).
  
          """
          example_dir = self._request.config.getini("pytester_example_dir")
          if example_dir is None:
              raise ValueError("pytester_example_dir is unset, can't copy examples")
          example_dir = self._request.config.rootpath / example_dir
  
          for extra_element in self._request.node.iter_markers("pytester_example_path"):
              assert extra_element.args
              example_dir = example_dir.joinpath(*extra_element.args)
  
          if name is None:
              func_name = self._name
              maybe_dir = example_dir / func_name
              maybe_file = example_dir / (func_name + ".py")
  
              if maybe_dir.is_dir():
                  example_path = maybe_dir
              elif maybe_file.is_file():
                  example_path = maybe_file
              else:
                  raise LookupError(
                      f"{func_name} can't be found as module or package in {example_dir}"
                  )
          else:
              example_path = example_dir.joinpath(name)
  
          if example_path.is_dir() and not example_path.joinpath("__init__.py").is_file():
              copytree(example_path, self.path)
              return self.path
          elif example_path.is_file():
              result = self.path.joinpath(example_path.name)
              shutil.copy(example_path, result)
              return result
          else:
              raise LookupError(
                  f'example "{example_path}" is not found as a file or directory'
              )
  
      Session = Session
  
      def getnode(
          self, config: Config, arg: Union[str, "os.PathLike[str]"]
      ) -> Optional[Union[Collector, Item]]:
          """Return the collection node of a file.
  
          :param pytest.Config config:
             A pytest config.
             See :py:meth:`parseconfig` and :py:meth:`parseconfigure` for creating it.
          :param os.PathLike[str] arg:
              Path to the file.
          """
          session = Session.from_config(config)
          assert "::" not in str(arg)
          p = Path(os.path.abspath(arg))
          config.hook.pytest_sessionstart(session=session)
          res = session.perform_collect([str(p)], genitems=False)[0]
          config.hook.pytest_sessionfinish(session=session, exitstatus=ExitCode.OK)
          return res
  
      def getpathnode(self, path: Union[str, "os.PathLike[str]"]):
          """Return the collection node of a file.
  
          This is like :py:meth:`getnode` but uses :py:meth:`parseconfigure` to
          create the (configured) pytest Config instance.
  
          :param os.PathLike[str] path: Path to the file.
          """
          path = Path(path)
          config = self.parseconfigure(path)
          session = Session.from_config(config)
          x = bestrelpath(session.path, path)
          config.hook.pytest_sessionstart(session=session)
          res = session.perform_collect([x], genitems=False)[0]
          config.hook.pytest_sessionfinish(session=session, exitstatus=ExitCode.OK)
          return res
  
      def genitems(self, colitems: Sequence[Union[Item, Collector]]) -> List[Item]:
          """Generate all test items from a collection node.
  
          This recurses into the collection node and returns a list of all the
          test items contained within.
          """
          session = colitems[0].session
          result: List[Item] = []
          for colitem in colitems:
              result.extend(session.genitems(colitem))
          return result
  
      def runitem(self, source: str) -> Any:
          """Run the "test_func" Item.
  
          The calling test instance (class containing the test method) must
          provide a ``.getrunner()`` method which should return a runner which
          can run the test protocol for a single item, e.g.
          :py:func:`_pytest.runner.runtestprotocol`.
          """
          # used from runner functional tests
          item = self.getitem(source)
          # the test class where we are called from wants to provide the runner
          testclassinstance = self._request.instance
          runner = testclassinstance.getrunner()
          return runner(item)
  
      def inline_runsource(self, source: str, *cmdlineargs) -> HookRecorder:
          """Run a test module in process using ``pytest.main()``.
  
          This run writes "source" into a temporary file and runs
          ``pytest.main()`` on it, returning a :py:class:`HookRecorder` instance
          for the result.
  
          :param source: The source code of the test module.
  
          :param cmdlineargs: Any extra command line arguments to use.
  
          :returns: :py:class:`HookRecorder` instance of the result.
          """
          p = self.makepyfile(source)
          values = list(cmdlineargs) + [p]
          return self.inline_run(*values)
  
      def inline_genitems(self, *args) -> Tuple[List[Item], HookRecorder]:
          """Run ``pytest.main(['--collectonly'])`` in-process.
  
          Runs the :py:func:`pytest.main` function to run all of pytest inside
          the test process itself like :py:meth:`inline_run`, but returns a
          tuple of the collected items and a :py:class:`HookRecorder` instance.
          """
          rec = self.inline_run("--collect-only", *args)
          items = [x.item for x in rec.getcalls("pytest_itemcollected")]
          return items, rec
  
      def inline_run(
          self,
          *args: Union[str, "os.PathLike[str]"],
          plugins=(),
          no_reraise_ctrlc: bool = False,
      ) -> HookRecorder:
          """Run ``pytest.main()`` in-process, returning a HookRecorder.
  
          Runs the :py:func:`pytest.main` function to run all of pytest inside
          the test process itself.  This means it can return a
          :py:class:`HookRecorder` instance which gives more detailed results
          from that run than can be done by matching stdout/stderr from
          :py:meth:`runpytest`.
  
          :param args:
              Command line arguments to pass to :py:func:`pytest.main`.
          :param plugins:
              Extra plugin instances the ``pytest.main()`` instance should use.
          :param no_reraise_ctrlc:
              Typically we reraise keyboard interrupts from the child run. If
              True, the KeyboardInterrupt exception is captured.
  
          :returns: A :py:class:`HookRecorder` instance.
          """
          # (maybe a cpython bug?) the importlib cache sometimes isn't updated
          # properly between file creation and inline_run (especially if imports
          # are interspersed with file creation)
          importlib.invalidate_caches()
  
          plugins = list(plugins)
          finalizers = []
          try:
              # Any sys.module or sys.path changes done while running pytest
              # inline should be reverted after the test run completes to avoid
              # clashing with later inline tests run within the same pytest test,
              # e.g. just because they use matching test module names.
              finalizers.append(self.__take_sys_modules_snapshot().restore)
              finalizers.append(SysPathsSnapshot().restore)
  
              # Important note:
              # - our tests should not leave any other references/registrations
              #   laying around other than possibly loaded test modules
              #   referenced from sys.modules, as nothing will clean those up
              #   automatically
  
              rec = []
  
              class Collect:
                  def pytest_configure(x, config: Config) -> None:
                      rec.append(self.make_hook_recorder(config.pluginmanager))
  
              plugins.append(Collect())
              ret = main([str(x) for x in args], plugins=plugins)
              if len(rec) == 1:
                  reprec = rec.pop()
              else:
  
                  class reprec:  # type: ignore
                      pass
  
              reprec.ret = ret
  
              # Typically we reraise keyboard interrupts from the child run
              # because it's our user requesting interruption of the testing.
              if ret == ExitCode.INTERRUPTED and not no_reraise_ctrlc:
                  calls = reprec.getcalls("pytest_keyboard_interrupt")
                  if calls and calls[-1].excinfo.type == KeyboardInterrupt:
                      raise KeyboardInterrupt()
              return reprec
          finally:
              for finalizer in finalizers:
                  finalizer()
  
      def runpytest_inprocess(
          self, *args: Union[str, "os.PathLike[str]"], **kwargs: Any
      ) -> RunResult:
          """Return result of running pytest in-process, providing a similar
          interface to what self.runpytest() provides."""
          syspathinsert = kwargs.pop("syspathinsert", False)
  
          if syspathinsert:
              self.syspathinsert()
          now = timing.time()
          capture = _get_multicapture("sys")
          capture.start_capturing()
          try:
              try:
                  reprec = self.inline_run(*args, **kwargs)
              except SystemExit as e:
                  ret = e.args[0]
                  try:
                      ret = ExitCode(e.args[0])
                  except ValueError:
                      pass
  
                  class reprec:  # type: ignore
                      ret = ret
  
              except Exception:
                  traceback.print_exc()
  
                  class reprec:  # type: ignore
                      ret = ExitCode(3)
  
          finally:
              out, err = capture.readouterr()
              capture.stop_capturing()
              sys.stdout.write(out)
              sys.stderr.write(err)
  
          assert reprec.ret is not None
          res = RunResult(
              reprec.ret, out.splitlines(), err.splitlines(), timing.time() - now
          )
          res.reprec = reprec  # type: ignore
          return res
  
      def runpytest(
          self, *args: Union[str, "os.PathLike[str]"], **kwargs: Any
      ) -> RunResult:
          """Run pytest inline or in a subprocess, depending on the command line
          option "--runpytest" and return a :py:class:`RunResult`."""
          new_args = self._ensure_basetemp(args)
          if self._method == "inprocess":
              return self.runpytest_inprocess(*new_args, **kwargs)
          elif self._method == "subprocess":
              return self.runpytest_subprocess(*new_args, **kwargs)
          raise RuntimeError(f"Unrecognized runpytest option: {self._method}")
  
      def _ensure_basetemp(
          self, args: Sequence[Union[str, "os.PathLike[str]"]]
      ) -> List[Union[str, "os.PathLike[str]"]]:
          new_args = list(args)
          for x in new_args:
              if str(x).startswith("--basetemp"):
                  break
          else:
              new_args.append("--basetemp=%s" % self.path.parent.joinpath("basetemp"))
          return new_args
  
      def parseconfig(self, *args: Union[str, "os.PathLike[str]"]) -> Config:
          """Return a new pytest Config instance from given commandline args.
  
          This invokes the pytest bootstrapping code in _pytest.config to create
          a new :py:class:`_pytest.core.PluginManager` and call the
          pytest_cmdline_parse hook to create a new
          :py:class:`pytest.Config` instance.
  
          If :py:attr:`plugins` has been populated they should be plugin modules
          to be registered with the PluginManager.
          """
          import _pytest.config
  
          new_args = self._ensure_basetemp(args)
          new_args = [str(x) for x in new_args]
  
          config = _pytest.config._prepareconfig(new_args, self.plugins)  # type: ignore[arg-type]
          # we don't know what the test will do with this half-setup config
          # object and thus we make sure it gets unconfigured properly in any
          # case (otherwise capturing could still be active, for example)
          self._request.addfinalizer(config._ensure_unconfigure)
          return config
  
      def parseconfigure(self, *args: Union[str, "os.PathLike[str]"]) -> Config:
          """Return a new pytest configured Config instance.
  
          Returns a new :py:class:`pytest.Config` instance like
          :py:meth:`parseconfig`, but also calls the pytest_configure hook.
          """
          config = self.parseconfig(*args)
          config._do_configure()
          return config
  
      def getitem(
          self, source: Union[str, "os.PathLike[str]"], funcname: str = "test_func"
      ) -> Item:
          """Return the test item for a test function.
  
          Writes the source to a python file and runs pytest's collection on
          the resulting module, returning the test item for the requested
          function name.
  
          :param source:
              The module source.
          :param funcname:
              The name of the test function for which to return a test item.
          """
          items = self.getitems(source)
          for item in items:
              if item.name == funcname:
                  return item
          assert 0, "{!r} item not found in module:\n{}\nitems: {}".format(
              funcname, source, items
          )
  
      def getitems(self, source: Union[str, "os.PathLike[str]"]) -> List[Item]:
          """Return all test items collected from the module.
  
          Writes the source to a Python file and runs pytest's collection on
          the resulting module, returning all test items contained within.
          """
          modcol = self.getmodulecol(source)
          return self.genitems([modcol])
  
      def getmodulecol(
          self,
          source: Union[str, "os.PathLike[str]"],
          configargs=(),
          *,
          withinit: bool = False,
      ):
          """Return the module collection node for ``source``.
  
          Writes ``source`` to a file using :py:meth:`makepyfile` and then
          runs the pytest collection on it, returning the collection node for the
          test module.
  
          :param source:
              The source code of the module to collect.
  
          :param configargs:
              Any extra arguments to pass to :py:meth:`parseconfigure`.
  
          :param withinit:
              Whether to also write an ``__init__.py`` file to the same
              directory to ensure it is a package.
          """
          if isinstance(source, os.PathLike):
              path = self.path.joinpath(source)
              assert not withinit, "not supported for paths"
          else:
              kw = {self._name: str(source)}
              path = self.makepyfile(**kw)
          if withinit:
              self.makepyfile(__init__="#")
          self.config = config = self.parseconfigure(path, *configargs)
          return self.getnode(config, path)
  
      def collect_by_name(
          self, modcol: Collector, name: str
      ) -> Optional[Union[Item, Collector]]:
          """Return the collection node for name from the module collection.
  
          Searchs a module collection node for a collection node matching the
          given name.
  
          :param modcol: A module collection node; see :py:meth:`getmodulecol`.
          :param name: The name of the node to return.
          """
          if modcol not in self._mod_collections:
              self._mod_collections[modcol] = list(modcol.collect())
          for colitem in self._mod_collections[modcol]:
              if colitem.name == name:
                  return colitem
          return None
  
      def popen(
          self,
          cmdargs: Sequence[Union[str, "os.PathLike[str]"]],
          stdout: Union[int, TextIO] = subprocess.PIPE,
          stderr: Union[int, TextIO] = subprocess.PIPE,
          stdin: Union[NotSetType, bytes, IO[Any], int] = CLOSE_STDIN,
          **kw,
      ):
          """Invoke :py:class:`subprocess.Popen`.
  
          Calls :py:class:`subprocess.Popen` making sure the current working
          directory is in ``PYTHONPATH``.
  
          You probably want to use :py:meth:`run` instead.
          """
          env = os.environ.copy()
          env["PYTHONPATH"] = os.pathsep.join(
              filter(None, [os.getcwd(), env.get("PYTHONPATH", "")])
          )
          kw["env"] = env
  
          if stdin is self.CLOSE_STDIN:
              kw["stdin"] = subprocess.PIPE
          elif isinstance(stdin, bytes):
              kw["stdin"] = subprocess.PIPE
          else:
              kw["stdin"] = stdin
  
          popen = subprocess.Popen(cmdargs, stdout=stdout, stderr=stderr, **kw)
          if stdin is self.CLOSE_STDIN:
              assert popen.stdin is not None
              popen.stdin.close()
          elif isinstance(stdin, bytes):
              assert popen.stdin is not None
              popen.stdin.write(stdin)
  
          return popen
  
      def run(
          self,
          *cmdargs: Union[str, "os.PathLike[str]"],
          timeout: Optional[float] = None,
          stdin: Union[NotSetType, bytes, IO[Any], int] = CLOSE_STDIN,
      ) -> RunResult:
          """Run a command with arguments.
  
          Run a process using :py:class:`subprocess.Popen` saving the stdout and
          stderr.
  
          :param cmdargs:
              The sequence of arguments to pass to :py:class:`subprocess.Popen`,
              with path-like objects being converted to :py:class:`str`
              automatically.
          :param timeout:
              The period in seconds after which to timeout and raise
              :py:class:`Pytester.TimeoutExpired`.
          :param stdin:
              Optional standard input.
  
              - If it is :py:attr:`CLOSE_STDIN` (Default), then this method calls
                :py:class:`subprocess.Popen` with ``stdin=subprocess.PIPE``, and
                the standard input is closed immediately after the new command is
                started.
  
              - If it is of type :py:class:`bytes`, these bytes are sent to the
                standard input of the command.
  
              - Otherwise, it is passed through to :py:class:`subprocess.Popen`.
                For further information in this case, consult the document of the
                ``stdin`` parameter in :py:class:`subprocess.Popen`.
          """
          __tracebackhide__ = True
  
          cmdargs = tuple(
              os.fspath(arg) if isinstance(arg, os.PathLike) else arg for arg in cmdargs
          )
          p1 = self.path.joinpath("stdout")
          p2 = self.path.joinpath("stderr")
          print("running:", *cmdargs)
          print("     in:", Path.cwd())
  
          with p1.open("w", encoding="utf8") as f1, p2.open("w", encoding="utf8") as f2:
              now = timing.time()
              popen = self.popen(
                  cmdargs,
                  stdin=stdin,
                  stdout=f1,
                  stderr=f2,
                  close_fds=(sys.platform != "win32"),
              )
              if popen.stdin is not None:
                  popen.stdin.close()
  
              def handle_timeout() -> None:
                  __tracebackhide__ = True
  
                  timeout_message = (
                      "{seconds} second timeout expired running:"
                      " {command}".format(seconds=timeout, command=cmdargs)
                  )
  
                  popen.kill()
                  popen.wait()
                  raise self.TimeoutExpired(timeout_message)
  
              if timeout is None:
                  ret = popen.wait()
              else:
                  try:
                      ret = popen.wait(timeout)
                  except subprocess.TimeoutExpired:
                      handle_timeout()
  
          with p1.open(encoding="utf8") as f1, p2.open(encoding="utf8") as f2:
              out = f1.read().splitlines()
              err = f2.read().splitlines()
  
          self._dump_lines(out, sys.stdout)
          self._dump_lines(err, sys.stderr)
  
          with contextlib.suppress(ValueError):
              ret = ExitCode(ret)
          return RunResult(ret, out, err, timing.time() - now)
  
      def _dump_lines(self, lines, fp):
          try:
              for line in lines:
                  print(line, file=fp)
          except UnicodeEncodeError:
              print(f"couldn't print to {fp} because of encoding")
  
      def _getpytestargs(self) -> Tuple[str, ...]:
          return sys.executable, "-mpytest"
  
      def runpython(self, script: "os.PathLike[str]") -> RunResult:
          """Run a python script using sys.executable as interpreter."""
          return self.run(sys.executable, script)
  
      def runpython_c(self, command: str) -> RunResult:
          """Run ``python -c "command"``."""
          return self.run(sys.executable, "-c", command)
  
      def runpytest_subprocess(
          self, *args: Union[str, "os.PathLike[str]"], timeout: Optional[float] = None
      ) -> RunResult:
          """Run pytest as a subprocess with given arguments.
  
          Any plugins added to the :py:attr:`plugins` list will be added using the
          ``-p`` command line option.  Additionally ``--basetemp`` is used to put
          any temporary files and directories in a numbered directory prefixed
          with "runpytest-" to not conflict with the normal numbered pytest
          location for temporary files and directories.
  
          :param args:
              The sequence of arguments to pass to the pytest subprocess.
          :param timeout:
              The period in seconds after which to timeout and raise
              :py:class:`Pytester.TimeoutExpired`.
          """
          __tracebackhide__ = True
          p = make_numbered_dir(root=self.path, prefix="runpytest-", mode=0o700)
          args = ("--basetemp=%s" % p,) + args
          plugins = [x for x in self.plugins if isinstance(x, str)]
          if plugins:
              args = ("-p", plugins[0]) + args
          args = self._getpytestargs() + args
          return self.run(*args, timeout=timeout)
  
      def spawn_pytest(
          self, string: str, expect_timeout: float = 10.0
      ) -> "pexpect.spawn":
          """Run pytest using pexpect.
  
          This makes sure to use the right pytest and sets up the temporary
          directory locations.
  
          The pexpect child is returned.
          """
          basetemp = self.path / "temp-pexpect"
          basetemp.mkdir(mode=0o700)
          invoke = " ".join(map(str, self._getpytestargs()))
          cmd = f"{invoke} --basetemp={basetemp} {string}"
          return self.spawn(cmd, expect_timeout=expect_timeout)
  
      def spawn(self, cmd: str, expect_timeout: float = 10.0) -> "pexpect.spawn":
          """Run a command using pexpect.
  
          The pexpect child is returned.
          """
          pexpect = importorskip("pexpect", "3.0")
          if hasattr(sys, "pypy_version_info") and "64" in platform.machine():
              skip("pypy-64 bit not supported")
          if not hasattr(pexpect, "spawn"):
              skip("pexpect.spawn not available")
          logfile = self.path.joinpath("spawn.out").open("wb")
  
          child = pexpect.spawn(cmd, logfile=logfile, timeout=expect_timeout)
          self._request.addfinalizer(logfile.close)
          return child
  
  
  class LineComp:
      def __init__(self) -> None:
          self.stringio = StringIO()
          """:class:`python:io.StringIO()` instance used for input."""
  
      def assert_contains_lines(self, lines2: Sequence[str]) -> None:
          """Assert that ``lines2`` are contained (linearly) in :attr:`stringio`'s value.
  
          Lines are matched using :func:`LineMatcher.fnmatch_lines`.
          """
          __tracebackhide__ = True
          val = self.stringio.getvalue()
          self.stringio.truncate(0)
          self.stringio.seek(0)
          lines1 = val.split("\n")
          LineMatcher(lines1).fnmatch_lines(lines2)
  
  
  @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
      Session: "Final" = Pytester.Session
  
      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
  
      def make_hook_recorder(self, pluginmanager) -> HookRecorder:
          """See :meth:`Pytester.make_hook_recorder`."""
          return self._pytester.make_hook_recorder(pluginmanager)
  
      def chdir(self) -> None:
          """See :meth:`Pytester.chdir`."""
          return self._pytester.chdir()
  
      def finalize(self) -> None:
          """See :meth:`Pytester._finalize`."""
          return self._pytester._finalize()
  
      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))
  
      def makeconftest(self, source) -> LEGACY_PATH:
          """See :meth:`Pytester.makeconftest`."""
          return legacy_path(self._pytester.makeconftest(source))
  
      def makeini(self, source) -> LEGACY_PATH:
          """See :meth:`Pytester.makeini`."""
          return legacy_path(self._pytester.makeini(source))
  
      def getinicfg(self, source: str) -> SectionWrapper:
          """See :meth:`Pytester.getinicfg`."""
          return self._pytester.getinicfg(source)
  
      def makepyprojecttoml(self, source) -> LEGACY_PATH:
          """See :meth:`Pytester.makepyprojecttoml`."""
          return legacy_path(self._pytester.makepyprojecttoml(source))
  
      def makepyfile(self, *args, **kwargs) -> LEGACY_PATH:
          """See :meth:`Pytester.makepyfile`."""
          return legacy_path(self._pytester.makepyfile(*args, **kwargs))
  
      def maketxtfile(self, *args, **kwargs) -> LEGACY_PATH:
          """See :meth:`Pytester.maketxtfile`."""
          return legacy_path(self._pytester.maketxtfile(*args, **kwargs))
  
      def syspathinsert(self, path=None) -> None:
          """See :meth:`Pytester.syspathinsert`."""
          return self._pytester.syspathinsert(path)
  
      def mkdir(self, name) -> LEGACY_PATH:
          """See :meth:`Pytester.mkdir`."""
          return legacy_path(self._pytester.mkdir(name))
  
      def mkpydir(self, name) -> LEGACY_PATH:
          """See :meth:`Pytester.mkpydir`."""
          return legacy_path(self._pytester.mkpydir(name))
  
      def copy_example(self, name=None) -> LEGACY_PATH:
          """See :meth:`Pytester.copy_example`."""
          return legacy_path(self._pytester.copy_example(name))
  
      def getnode(self, config: Config, arg) -> Optional[Union[Item, Collector]]:
          """See :meth:`Pytester.getnode`."""
          return self._pytester.getnode(config, arg)
  
      def getpathnode(self, path):
          """See :meth:`Pytester.getpathnode`."""
          return self._pytester.getpathnode(path)
  
      def genitems(self, colitems: List[Union[Item, Collector]]) -> List[Item]:
          """See :meth:`Pytester.genitems`."""
          return self._pytester.genitems(colitems)
  
      def runitem(self, source):
          """See :meth:`Pytester.runitem`."""
          return self._pytester.runitem(source)
  
      def inline_runsource(self, source, *cmdlineargs):
          """See :meth:`Pytester.inline_runsource`."""
          return self._pytester.inline_runsource(source, *cmdlineargs)
  
      def inline_genitems(self, *args):
          """See :meth:`Pytester.inline_genitems`."""
          return self._pytester.inline_genitems(*args)
  
      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
          )
  
      def runpytest_inprocess(self, *args, **kwargs) -> RunResult:
          """See :meth:`Pytester.runpytest_inprocess`."""
          return self._pytester.runpytest_inprocess(*args, **kwargs)
  
      def runpytest(self, *args, **kwargs) -> RunResult:
          """See :meth:`Pytester.runpytest`."""
          return self._pytester.runpytest(*args, **kwargs)
  
      def parseconfig(self, *args) -> Config:
          """See :meth:`Pytester.parseconfig`."""
          return self._pytester.parseconfig(*args)
  
      def parseconfigure(self, *args) -> Config:
          """See :meth:`Pytester.parseconfigure`."""
          return self._pytester.parseconfigure(*args)
  
      def getitem(self, source, funcname="test_func"):
          """See :meth:`Pytester.getitem`."""
          return self._pytester.getitem(source, funcname)
  
      def getitems(self, source):
          """See :meth:`Pytester.getitems`."""
          return self._pytester.getitems(source)
  
      def getmodulecol(self, source, configargs=(), withinit=False):
          """See :meth:`Pytester.getmodulecol`."""
          return self._pytester.getmodulecol(
              source, configargs=configargs, withinit=withinit
          )
  
      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)
  
      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)
  
      def run(self, *cmdargs, timeout=None, stdin=CLOSE_STDIN) -> RunResult:
          """See :meth:`Pytester.run`."""
          return self._pytester.run(*cmdargs, timeout=timeout, stdin=stdin)
  
      def runpython(self, script) -> RunResult:
          """See :meth:`Pytester.runpython`."""
          return self._pytester.runpython(script)
  
      def runpython_c(self, command):
          """See :meth:`Pytester.runpython_c`."""
          return self._pytester.runpython_c(command)
  
      def runpytest_subprocess(self, *args, timeout=None) -> RunResult:
          """See :meth:`Pytester.runpytest_subprocess`."""
          return self._pytester.runpytest_subprocess(*args, timeout=timeout)
  
      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)
  
      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 LineMatcher:
      """Flexible matching of text.
  
      This is a convenience class to test large texts like the output of
      commands.
  
      The constructor takes a list of lines without their trailing newlines, i.e.
      ``text.splitlines()``.
      """
  
      def __init__(self, lines: List[str]) -> None:
          self.lines = lines
          self._log_output: List[str] = []
  
      def __str__(self) -> str:
          """Return the entire original text.
  
          .. versionadded:: 6.2
              You can use :meth:`str` in older versions.
          """
          return "\n".join(self.lines)
  
      def _getlines(self, lines2: Union[str, Sequence[str], Source]) -> Sequence[str]:
          if isinstance(lines2, str):
              lines2 = Source(lines2)
          if isinstance(lines2, Source):
              lines2 = lines2.strip().lines
          return lines2
  
      def fnmatch_lines_random(self, lines2: Sequence[str]) -> None:
          """Check lines exist in the output in any order (using :func:`python:fnmatch.fnmatch`)."""
          __tracebackhide__ = True
          self._match_lines_random(lines2, fnmatch)
  
      def re_match_lines_random(self, lines2: Sequence[str]) -> None:
          """Check lines exist in the output in any order (using :func:`python:re.match`)."""
          __tracebackhide__ = True
          self._match_lines_random(lines2, lambda name, pat: bool(re.match(pat, name)))
  
      def _match_lines_random(
          self, lines2: Sequence[str], match_func: Callable[[str, str], bool]
      ) -> None:
          __tracebackhide__ = True
          lines2 = self._getlines(lines2)
          for line in lines2:
              for x in self.lines:
                  if line == x or match_func(x, line):
                      self._log("matched: ", repr(line))
                      break
              else:
                  msg = "line %r not found in output" % line
                  self._log(msg)
                  self._fail(msg)
  
      def get_lines_after(self, fnline: str) -> Sequence[str]:
          """Return all lines following the given line in the text.
  
          The given line can contain glob wildcards.
          """
          for i, line in enumerate(self.lines):
              if fnline == line or fnmatch(line, fnline):
                  return self.lines[i + 1 :]
          raise ValueError("line %r not found in output" % fnline)
  
      def _log(self, *args) -> None:
          self._log_output.append(" ".join(str(x) for x in args))
  
      @property
      def _log_text(self) -> str:
          return "\n".join(self._log_output)
  
      def fnmatch_lines(
          self, lines2: Sequence[str], *, consecutive: bool = False
      ) -> None:
          """Check lines exist in the output (using :func:`python:fnmatch.fnmatch`).
  
          The argument is a list of lines which have to match and can use glob
          wildcards.  If they do not match a pytest.fail() is called.  The
          matches and non-matches are also shown as part of the error message.
  
          :param lines2: String patterns to match.
          :param consecutive: Match lines consecutively?
          """
          __tracebackhide__ = True
          self._match_lines(lines2, fnmatch, "fnmatch", consecutive=consecutive)
  
      def re_match_lines(
          self, lines2: Sequence[str], *, consecutive: bool = False
      ) -> None:
          """Check lines exist in the output (using :func:`python:re.match`).
  
          The argument is a list of lines which have to match using ``re.match``.
          If they do not match a pytest.fail() is called.
  
          The matches and non-matches are also shown as part of the error message.
  
          :param lines2: string patterns to match.
          :param consecutive: match lines consecutively?
          """
          __tracebackhide__ = True
          self._match_lines(
              lines2,
              lambda name, pat: bool(re.match(pat, name)),
              "re.match",
              consecutive=consecutive,
          )
  
      def _match_lines(
          self,
          lines2: Sequence[str],
          match_func: Callable[[str, str], bool],
          match_nickname: str,
          *,
          consecutive: bool = False,
      ) -> None:
          """Underlying implementation of ``fnmatch_lines`` and ``re_match_lines``.
  
          :param Sequence[str] lines2:
              List of string patterns to match. The actual format depends on
              ``match_func``.
          :param match_func:
              A callable ``match_func(line, pattern)`` where line is the
              captured line from stdout/stderr and pattern is the matching
              pattern.
          :param str match_nickname:
              The nickname for the match function that will be logged to stdout
              when a match occurs.
          :param consecutive:
              Match lines consecutively?
          """
          if not isinstance(lines2, collections.abc.Sequence):
              raise TypeError(f"invalid type for lines2: {type(lines2).__name__}")
          lines2 = self._getlines(lines2)
          lines1 = self.lines[:]
          extralines = []
          __tracebackhide__ = True
          wnick = len(match_nickname) + 1
          started = False
          for line in lines2:
              nomatchprinted = False
              while lines1:
                  nextline = lines1.pop(0)
                  if line == nextline:
                      self._log("exact match:", repr(line))
                      started = True
                      break
                  elif match_func(nextline, line):
                      self._log("%s:" % match_nickname, repr(line))
                      self._log(
                          "{:>{width}}".format("with:", width=wnick), repr(nextline)
                      )
                      started = True
                      break
                  else:
                      if consecutive and started:
                          msg = f"no consecutive match: {line!r}"
                          self._log(msg)
                          self._log(
                              "{:>{width}}".format("with:", width=wnick), repr(nextline)
                          )
                          self._fail(msg)
                      if not nomatchprinted:
                          self._log(
                              "{:>{width}}".format("nomatch:", width=wnick), repr(line)
                          )
                          nomatchprinted = True
                      self._log("{:>{width}}".format("and:", width=wnick), repr(nextline))
                  extralines.append(nextline)
              else:
                  msg = f"remains unmatched: {line!r}"
                  self._log(msg)
                  self._fail(msg)
          self._log_output = []
  
      def no_fnmatch_line(self, pat: str) -> None:
          """Ensure captured lines do not match the given pattern, using ``fnmatch.fnmatch``.
  
          :param str pat: The pattern to match lines.
          """
          __tracebackhide__ = True
          self._no_match_line(pat, fnmatch, "fnmatch")
  
      def no_re_match_line(self, pat: str) -> None:
          """Ensure captured lines do not match the given pattern, using ``re.match``.
  
          :param str pat: The regular expression to match lines.
          """
          __tracebackhide__ = True
          self._no_match_line(
              pat, lambda name, pat: bool(re.match(pat, name)), "re.match"
          )
  
      def _no_match_line(
          self, pat: str, match_func: Callable[[str, str], bool], match_nickname: str
      ) -> None:
          """Ensure captured lines does not have a the given pattern, using ``fnmatch.fnmatch``.
  
          :param str pat: The pattern to match lines.
          """
          __tracebackhide__ = True
          nomatch_printed = False
          wnick = len(match_nickname) + 1
          for line in self.lines:
              if match_func(line, pat):
                  msg = f"{match_nickname}: {pat!r}"
                  self._log(msg)
                  self._log("{:>{width}}".format("with:", width=wnick), repr(line))
                  self._fail(msg)
              else:
                  if not nomatch_printed:
                      self._log("{:>{width}}".format("nomatch:", width=wnick), repr(pat))
                      nomatch_printed = True
                  self._log("{:>{width}}".format("and:", width=wnick), repr(line))
          self._log_output = []
  
      def _fail(self, msg: str) -> None:
          __tracebackhide__ = True
          log_text = self._log_text
          self._log_output = []
          fail(log_text)
  
      def str(self) -> str:
          """Return the entire original text."""
          return str(self)
  