config: add Config.{rootpath,inipath}, turn Config.{rootdir,inifile} to properties

Author: bluetech

src/_pytest/config/__init__.py

@@ -919,6 +919,22 @@ def invocation_dir(self) -> py.path.local:
         """
         return py.path.local(str(self.invocation_params.dir))
 
+    @property
+    def rootdir(self) -> py.path.local:
+        """The path to the :ref:`rootdir <rootdir>`.
+
+        :type: py.path.local
+        """
+        return py.path.local(str(self.rootpath))
+
+    @property
+    def inifile(self) -> Optional[py.path.local]:
+        """The path to the :ref:`configfile <configfiles>`.
+
+        :type: Optional[py.path.local]
+        """
+        return py.path.local(str(self.inipath)) if self.inipath else None
+
     def add_cleanup(self, func: Callable[[], None]) -> None:
         """Add a function to be called when the config object gets out of
         use (usually coninciding with pytest_unconfigure)."""
@@ -1029,8 +1045,8 @@ def _initini(self, args: Sequence[str]) -> None:
             rootdir_cmd_arg=ns.rootdir or None,
             config=self,
         )
-        self.rootdir = py.path.local(str(rootpath))
-        self.inifile = py.path.local(str(inipath)) if inipath else None
+        self.rootpath = rootpath
+        self.inipath = inipath
         self.inicfg = inicfg
         self._parser.extra_info["rootdir"] = self.rootdir
         self._parser.extra_info["inifile"] = self.inifile