backward compatibility

src/poetry/console/commands/check.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from pathlib import Path
+
 from poetry.console.commands.command import Command
 
 
@@ -62,8 +64,13 @@ def handle(self) -> int:
         from poetry.pyproject.toml import PyProjectTOML
 
         # Load poetry config and display errors, if any
-        poetry_file = self.poetry.file
-        config = PyProjectTOML(poetry_file).poetry_config
+        if isinstance(self.poetry.file, Path):
+            toml_path = self.poetry.file
+        else:
+            # TODO: backward compatibility, can be simplified if poetry-core with
+            #       https://github.com/python-poetry/poetry-core/pull/483 is available
+            toml_path = self.poetry.file.path  # type: ignore[assignment]
+        config = PyProjectTOML(toml_path).poetry_config
         check_result = Factory.validate(config, strict=True)
 
         # Validate trove classifiers

src/poetry/factory.py

@@ -4,6 +4,7 @@
 import logging
 import re
 
+from pathlib import Path
 from typing import TYPE_CHECKING
 from typing import Any
 from typing import cast
@@ -24,7 +25,6 @@
 
 if TYPE_CHECKING:
     from collections.abc import Iterable
-    from pathlib import Path
 
     from cleo.io.io import IO
     from poetry.core.packages.package import Package
@@ -81,8 +81,15 @@ def create_poetry(
 
         config.merge({"repositories": repositories})
 
+        if isinstance(base_poetry.file, Path):
+            toml_path = base_poetry.file
+        else:
+            # TODO: backward compatibility, can be simplified if poetry-core with
+            #       https://github.com/python-poetry/poetry-core/pull/483 is available
+            toml_path = base_poetry.file.path  # type: ignore[assignment]
+
         poetry = Poetry(
-            base_poetry.file,
+            toml_path,
             base_poetry.local_config,
             base_poetry.package,
             locker,

src/poetry/poetry.py

@@ -37,7 +37,15 @@ def __init__(
     ) -> None:
         from poetry.repositories.repository_pool import RepositoryPool
 
-        super().__init__(file, local_config, package, pyproject_type=PyProjectTOML)
+        try:
+            super().__init__(  # type: ignore[call-arg]
+                file, local_config, package, pyproject_type=PyProjectTOML
+            )
+        except TypeError:
+            # TODO: backward compatibility, can be simplified if poetry-core with
+            #       https://github.com/python-poetry/poetry-core/pull/483 is available
+            super().__init__(file, local_config, package)
+            self._pyproject = PyProjectTOML(file)
 
         self._locker = locker
         self._config = config