chores: replaced importlib_metadata with importlib

pywebpack/helpers.py

@@ -10,10 +10,10 @@
 
 """Webpack bundle API."""
 
+import importlib.metadata as m
 import re
 from functools import wraps
-
-from importlib_metadata import entry_points
+from sys import version_info
 
 from pywebpack.errors import MergeConflictError
 
@@ -145,3 +145,27 @@ def merge_deps(computed_deps, incoming_deps):
                 else:
                     computed[incoming_pkg] = incoming_version
     return computed_deps
+
+
+def entry_points(group):
+    """Entry points.
+
+    Copied here from invenio-base so that we do not introduce a dependency on invenio-base.
+    """
+    if version_info < (3, 10):
+        eps = m.entry_points()
+        # the only reason to add this check is to simplify the tests! the tests
+        # are implemented against python >=3.10 which uses the group keyword.
+        # since we drop python3.9 soon, this should work!
+        # in the tests there is a line which patches the return value of
+        # importlib.metadata.entry_points with a list. this works for
+        # python>=3.10 but not for 3.9
+        # the return value of .get can contain duplicates. the simplest way to
+        # remove is the set() call, to still return a list, list() is called on
+        # set()
+        if isinstance(eps, dict):
+            eps = list(set(eps.get(group, [])))
+    else:
+        eps = m.entry_points(group=group)
+
+    return eps

setup.cfg

@@ -28,7 +28,6 @@ packages = find:
 python_requires = >=3.7
 zip_safe = False
 install_requires =
-    importlib-metadata
     pynpm>=0.1.0
 
 [options.extras_require]