Merge pull request #2490 from thatch/main

Fix .egg-info metadata support for zipimport

changelog.d/2489.change.rst

+``pkg_resources`` behavior for zipimport now matches the regular behavior, and finds
+``.egg-info`` (previoulsy would only find ``.dist-info``) -- by :user:`thatch`

pkg_resources/__init__.py

@@ -1981,12 +1981,13 @@ def find_eggs_in_zip(importer, path_item, only=False):
         # don't yield nested distros
         return
     for subitem in metadata.resource_listdir(''):
+        lower = subitem.lower()
         if _is_egg_path(subitem):
             subpath = os.path.join(path_item, subitem)
             dists = find_eggs_in_zip(zipimport.zipimporter(subpath), subpath)
             for dist in dists:
                 yield dist
-        elif subitem.lower().endswith('.dist-info'):
+        elif subitem.lower().endswith(('.dist-info', '.egg-info')):
             subpath = os.path.join(path_item, subitem)
             submeta = EggMetadata(zipimport.zipimporter(subpath))
             submeta.egg_info = subpath

pkg_resources/tests/test_find_distributions.py

@@ -32,3 +32,12 @@ class TestFindDistributions:
         assert [dist.project_name for dist in dists] == ['my-test-package']
         dists = pkg_resources.find_distributions(str(target_dir), only=True)
         assert not list(dists)
+
+    def test_zipped_sdist_one_level_removed(self, target_dir):
+        (TESTS_DATA_DIR / 'my-test-package-zip').copy(target_dir)
+        dists = pkg_resources.find_distributions(
+            str(target_dir / "my-test-package.zip"))
+        assert [dist.project_name for dist in dists] == ['my-test-package']
+        dists = pkg_resources.find_distributions(
+            str(target_dir / "my-test-package.zip"), only=True)
+        assert not list(dists)