deps: allow importlib-metadata 8.7

Author: radoering

poetry.lock

@@ -10,9 +10,7 @@ dependencies = [
     "cleo (>=2.1.0,<3.0.0)",
     "dulwich (>=0.24.0,<0.25.0)",
     "fastjsonschema (>=2.18.0,<3.0.0)",
-    # <8.7 because .metadata() (and Distribution.metadata) can now return None,
-    # which requires some adaptions to our code.
-    "importlib-metadata (>=4.4,<8.7) ; python_version < '3.10'",
+    "importlib-metadata (>=4.4) ; python_version < '3.10'",
     "installer (>=0.7.0,<0.8.0)",
     "keyring (>=25.1.0,<26.0.0)",
     # packaging uses calver, so version is unclamped

pyproject.toml

@@ -0,0 +1,3 @@
+Metadata-Version: 2.1
+Name: no-metadata
+Version: 1.2.3

tests/repositories/fixtures/installed/lib/python3.7/site-packages/no_metadata-1.2.3.dist-info/NO_METADATA

@@ -70,6 +70,7 @@ def installed_results(
                 "EGG-INFO",
             )
         ),
+        metadata.PathDistribution(site_purelib / "no_metadata-1.2.3.dist-info"),
         metadata.PathDistribution(site_purelib / "standard-1.2.3.dist-info"),
         metadata.PathDistribution(site_purelib / "editable-2.3.4.dist-info"),
         metadata.PathDistribution(site_purelib / "editable-src-dir-2.3.4.dist-info"),
@@ -234,6 +235,13 @@ def test_load_ensure_isolation(repository: InstalledRepository) -> None:
     assert package is None
 
 
+def test_load_no_metadata_file(repository: InstalledRepository) -> None:
+    # If the "NO_METADATA" file in the dist-info directory is renamed to "METADATA",
+    # this test should fail. Otherwise, the test setup should be revised.
+    package = get_package_from_repository("no-metadata", repository)
+    assert package is None
+
+
 def test_load_standard_package(repository: InstalledRepository) -> None:
     cleo = get_package_from_repository("cleo", repository)
     assert cleo is not None