Use importlib.metadata in poetry_relax._core

Author: zanieb

src/poetry_relax/_core.py

@@ -4,12 +4,25 @@
 import contextlib
 import functools
 import re
+import sys
 from copy import copy
 from typing import TYPE_CHECKING, Any, Callable, Iterable, Optional
 
-import pkg_resources
+import packaging.version
 
-if pkg_resources.get_distribution("poetry").version.startswith("1.2."):
+if sys.version_info < (3, 8):  # Python 3.7 support
+    import pkg_resources
+
+    POETRY_VERSION = packaging.version.Version(
+        pkg_resources.get_distribution("poetry").version
+    )
+else:
+    import importlib.metadata as importlib_metadata
+
+    POETRY_VERSION = packaging.version.Version(importlib_metadata.version("poetry"))
+
+
+if POETRY_VERSION < packaging.version.Version("1.3.0"):
     from poetry.core.semver.version_range import VersionRange
 else:
     from poetry.core.constraints.version import VersionRange

tests/_fixtures.py

@@ -11,18 +11,9 @@
 from poetry.console.application import Application as PoetryApplication
 from poetry.utils.env import EnvManager, VirtualEnv
 
-from ._utilities import check_paths_relative, tmpchdir
-
-if sys.version_info < (3, 8):  # Python 3.7 support
-    import pkg_resources
+from poetry_relax._core import POETRY_VERSION
 
-    POETRY_VERSION = packaging.version.Version(
-        pkg_resources.get_distribution("poetry").version
-    )
-else:
-    import importlib.metadata as importlib_metadata
-
-    POETRY_VERSION = packaging.version.Version(importlib_metadata.version("poetry"))
+from ._utilities import check_paths_relative, tmpchdir
 
 
 @pytest.fixture(scope="session")