config: expose Config for typing purposes

This type is used in hooks and fixtures.

The constructor is publicly documented so is not marked private.

changelog/7469.feature.rst

@@ -2,6 +2,7 @@ The types of objects used in pytest's API are now exported so they may be used i
 
 The newly-exported types are:
 
+- ``pytest.Config`` for :class:`Config <pytest.Config>`.
 - ``pytest.Mark`` for :class:`marks <pytest.Mark>`.
 - ``pytest.MarkDecorator`` for :class:`mark decorators <pytest.MarkDecorator>`.
 - ``pytest.MarkGenerator`` for the :class:`pytest.mark <pytest.MarkGenerator>` singleton.

doc/en/builtin.rst

@@ -61,7 +61,7 @@ For information about fixtures, see :ref:`fixtures`. To see a complete list of a
         namespace of doctests.
 
     pytestconfig [session scope]
-        Session-scoped fixture that returns the :class:`_pytest.config.Config` object.
+        Session-scoped fixture that returns the :class:`pytest.Config` object.
 
         Example::
 

doc/en/reference/customize.rst

@@ -179,12 +179,12 @@ Files will only be matched for configuration if:
 The files are considered in the order above. Options from multiple ``configfiles`` candidates
 are never merged - the first match wins.
 
-The internal :class:`Config <_pytest.config.Config>` object (accessible via hooks or through the :fixture:`pytestconfig` fixture)
+The :class:`Config <pytest.Config>` object (accessible via hooks or through the :fixture:`pytestconfig` fixture)
 will subsequently carry these attributes:
 
-- :attr:`config.rootpath <_pytest.config.Config.rootpath>`: the determined root directory, guaranteed to exist.
+- :attr:`config.rootpath <pytest.Config.rootpath>`: the determined root directory, guaranteed to exist.
 
-- :attr:`config.inipath <_pytest.config.Config.inipath>`: the determined ``configfile``, may be ``None``
+- :attr:`config.inipath <pytest.Config.inipath>`: the determined ``configfile``, may be ``None``
   (it is named ``inipath`` for historical reasons).
 
 .. versionadded:: 6.1

doc/en/reference/reference.rst

@@ -787,7 +787,7 @@ CollectReport
 Config
 ~~~~~~
 
-.. autoclass:: _pytest.config.Config()
+.. autoclass:: pytest.Config()
     :members:
 
 ExceptionInfo

src/_pytest/config/__init__.py

@@ -841,6 +841,7 @@ class Config:
     """Access to configuration values, pluginmanager and plugin hooks.
 
     :param PytestPluginManager pluginmanager:
+        A pytest PluginManager.
 
     :param InvocationParams invocation_params:
         Object containing parameters regarding the :func:`pytest.main`
@@ -1226,8 +1227,8 @@ class Config:
 
     @hookimpl(hookwrapper=True)
     def pytest_collection(self) -> Generator[None, None, None]:
-        """Validate invalid ini keys after collection is done so we take in account
+        # Validate invalid ini keys after collection is done so we take in account
-        options added by late-loading conftest files."""
+        # options added by late-loading conftest files.
         yield
         self._validate_config_options()
 

src/_pytest/config/argparsing.py

@@ -189,7 +189,7 @@ class Parser:
             Default value if no ini-file option exists but is queried.
 
         The value of ini-variables can be retrieved via a call to
-        :py:func:`config.getini(name) <_pytest.config.Config.getini>`.
+        :py:func:`config.getini(name) <pytest.Config.getini>`.
         """
         assert type in (None, "string", "paths", "pathlist", "args", "linelist", "bool")
         self._inidict[name] = (help, type, default)

src/_pytest/fixtures.py

@@ -1379,7 +1379,8 @@ def yield_fixture(
 
 @fixture(scope="session")
 def pytestconfig(request: FixtureRequest) -> Config:
-    """Session-scoped fixture that returns the :class:`_pytest.config.Config` object.
+    """Session-scoped fixture that returns the session's :class:`pytest.Config`
+    object.
 
     Example::
 

src/_pytest/hookspec.py

@@ -100,12 +100,12 @@ def pytest_addoption(parser: "Parser", pluginmanager: "PytestPluginManager") ->
         to change how command line options are added.
 
     Options can later be accessed through the
-    :py:class:`config <_pytest.config.Config>` object, respectively:
+    :py:class:`config <pytest.Config>` object, respectively:
 
-    - :py:func:`config.getoption(name) <_pytest.config.Config.getoption>` to
+    - :py:func:`config.getoption(name) <pytest.Config.getoption>` to
       retrieve the value of a command line option.
 
-    - :py:func:`config.getini(name) <_pytest.config.Config.getini>` to retrieve
+    - :py:func:`config.getini(name) <pytest.Config.getini>` to retrieve
       a value read from an ini-style file.
 
     The config object is passed around on many internal objects via the ``.config``
@@ -129,7 +129,7 @@ def pytest_configure(config: "Config") -> None:
     .. note::
         This hook is incompatible with ``hookwrapper=True``.
 
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     """
 
 
@@ -166,7 +166,7 @@ def pytest_cmdline_preparse(config: "Config", args: List[str]) -> None:
     .. note::
         This hook will not be called for ``conftest.py`` files, only for setuptools plugins.
 
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     :param List[str] args: Arguments passed on the command line.
     """
 
@@ -178,7 +178,7 @@ def pytest_cmdline_main(config: "Config") -> Optional[Union["ExitCode", int]]:
 
     Stops at first non-None result, see :ref:`firstresult`.
 
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     """
 
 
@@ -191,7 +191,7 @@ def pytest_load_initial_conftests(
     .. note::
         This hook will not be called for ``conftest.py`` files, only for setuptools plugins.
 
-    :param _pytest.config.Config early_config: The pytest config object.
+    :param pytest.Config early_config: The pytest config object.
     :param List[str] args: Arguments passed on the command line.
     :param _pytest.config.argparsing.Parser parser: To add command line options.
     """
@@ -246,7 +246,7 @@ def pytest_collection_modifyitems(
     the items in-place.
 
     :param pytest.Session session: The pytest session object.
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     :param List[pytest.Item] items: List of item objects.
     """
 
@@ -271,7 +271,7 @@ def pytest_ignore_collect(
 
     :param pathlib.Path fspath: The path to analyze.
     :param LEGACY_PATH path: The path to analyze.
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
 
     .. versionchanged:: 6.3.0
         The ``fspath`` parameter was added as a :class:`pathlib.Path`
@@ -385,7 +385,7 @@ def pytest_make_parametrize_id(
 
     Stops at first non-None result, see :ref:`firstresult`.
 
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     :param val: The parametrized value.
     :param str argname: The automatic parameter name produced by pytest.
     """
@@ -609,7 +609,7 @@ def pytest_sessionfinish(
 def pytest_unconfigure(config: "Config") -> None:
     """Called before test process is exited.
 
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     """
 
 
@@ -628,7 +628,7 @@ def pytest_assertrepr_compare(
     *in* a string will be escaped. Note that all but the first line will
     be indented slightly, the intention is for the first line to be a summary.
 
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     """
 
 
@@ -677,7 +677,7 @@ def pytest_report_header(
 ) -> Union[str, List[str]]:
     """Return a string or list of strings to be displayed as header info for terminal reporting.
 
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     :param Path startpath: The starting dir.
     :param LEGACY_PATH startdir: The starting dir.
 
@@ -713,7 +713,7 @@ def pytest_report_collectionfinish(
 
     .. versionadded:: 3.2
 
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     :param Path startpath: The starting path.
     :param LEGACY_PATH startdir: The starting dir.
     :param items: List of pytest items that are going to be executed; this list should not be modified.
@@ -752,7 +752,7 @@ def pytest_report_teststatus(
     for example ``"rerun", "R", ("RERUN", {"yellow": True})``.
 
     :param report: The report object whose status is to be returned.
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
 
     Stops at first non-None result, see :ref:`firstresult`.
     """
@@ -767,7 +767,7 @@ def pytest_terminal_summary(
 
     :param _pytest.terminal.TerminalReporter terminalreporter: The internal terminal reporter object.
     :param int exitstatus: The exit status that will be reported back to the OS.
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
 
     .. versionadded:: 4.2
         The ``config`` parameter.
@@ -857,7 +857,7 @@ def pytest_markeval_namespace(config: "Config") -> Dict[str, Any]:
 
     .. versionadded:: 6.2
 
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     :returns: A dictionary of additional globals to add.
     """
 
@@ -909,7 +909,7 @@ def pytest_enter_pdb(config: "Config", pdb: "pdb.Pdb") -> None:
     Can be used by plugins to take special action just before the python
     debugger enters interactive mode.
 
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     :param pdb.Pdb pdb: The Pdb instance.
     """
 
@@ -920,6 +920,6 @@ def pytest_leave_pdb(config: "Config", pdb: "pdb.Pdb") -> None:
     Can be used by plugins to take special action just after the python
     debugger leaves interactive mode.
 
-    :param _pytest.config.Config config: The pytest config object.
+    :param pytest.Config config: The pytest config object.
     :param pdb.Pdb pdb: The Pdb instance.
     """

src/_pytest/pytester.py

@@ -954,7 +954,7 @@ class Pytester:
     ) -> Optional[Union[Collector, Item]]:
         """Return the collection node of a file.
 
-        :param _pytest.config.Config config:
+        :param pytest.Config config:
            A pytest config.
            See :py:meth:`parseconfig` and :py:meth:`parseconfigure` for creating it.
         :param os.PathLike[str] arg:
@@ -1186,7 +1186,7 @@ class Pytester:
         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.Config` instance.
+        :py:class:`pytest.Config` instance.
 
         If :py:attr:`plugins` has been populated they should be plugin modules
         to be registered with the PluginManager.
@@ -1206,7 +1206,7 @@ class Pytester:
     def parseconfigure(self, *args: Union[str, "os.PathLike[str]"]) -> Config:
         """Return a new pytest configured Config instance.
 
-        Returns a new :py:class:`_pytest.config.Config` instance like
+        Returns a new :py:class:`pytest.Config` instance like
         :py:meth:`parseconfig`, but also calls the pytest_configure hook.
         """
         config = self.parseconfig(*args)

src/_pytest/python.py

@@ -970,7 +970,7 @@ class Metafunc:
         #: Access to the underlying :class:`_pytest.python.FunctionDefinition`.
         self.definition = definition
 
-        #: Access to the :class:`_pytest.config.Config` object for the test session.
+        #: Access to the :class:`pytest.Config` object for the test session.
         self.config = config
 
         #: The module object where the test function is defined in.

src/pytest/__init__.py

@@ -7,6 +7,7 @@ from _pytest.assertion import register_assert_rewrite
 from _pytest.cacheprovider import Cache
 from _pytest.capture import CaptureFixture
 from _pytest.config import cmdline
+from _pytest.config import Config
 from _pytest.config import console_main
 from _pytest.config import ExitCode
 from _pytest.config import hookimpl
@@ -77,6 +78,7 @@ __all__ = [
     "cmdline",
     "collect",
     "Collector",
+    "Config",
     "console_main",
     "deprecated_call",
     "exit",