misc: use stdlib "importlib.metadata" on Python >= 3.12

CHANGELOG.md

@@ -36,6 +36,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#5120](https://github.com/open-telemetry/opentelemetry-python/pull/5120))
 - Add WeaverLiveCheck test util
   ([#5088](https://github.com/open-telemetry/opentelemetry-python/pull/5088))
+- `opentelemetry-api`: use stdlib `importlib.metadata` on Python >= 3.12
+  ([#5156](https://github.com/open-telemetry/opentelemetry-python/pull/5156))
 
 ## Version 1.41.0/0.62b0 (2026-04-09)
 

opentelemetry-api/pyproject.toml

@@ -26,9 +26,7 @@ classifiers = [
 ]
 dependencies = [
     "typing-extensions >= 4.5.0",
-    # FIXME This should be able to be removed after 3.12 is released if there is a reliable API
-    # in importlib.metadata.
-    "importlib-metadata >= 6.0, < 8.8.0",
+    "importlib-metadata >= 6.0, < 8.8.0; python_version < '3.12'",
 ]
 dynamic = [
     "version",

opentelemetry-api/src/opentelemetry/util/_importlib_metadata.py

@@ -12,23 +12,35 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import sys
 from functools import cache
 
-# FIXME: Use importlib.metadata (not importlib_metadata)
-# when support for 3.11 is dropped if the rest of
-# the supported versions at that time have the same API.
-from importlib_metadata import (  # type: ignore
-    Distribution,
-    EntryPoint,
-    EntryPoints,
-    PackageNotFoundError,
-    distributions,
-    requires,
-    version,
-)
-from importlib_metadata import (
-    entry_points as original_entry_points,
-)
+if sys.version_info >= (3, 12):
+    from importlib.metadata import (
+        Distribution,
+        EntryPoint,
+        EntryPoints,
+        PackageNotFoundError,
+        distributions,
+        requires,
+        version,
+    )
+    from importlib.metadata import (
+        entry_points as original_entry_points,
+    )
+else:
+    from importlib_metadata import (
+        Distribution,
+        EntryPoint,
+        EntryPoints,
+        PackageNotFoundError,
+        distributions,
+        requires,
+        version,
+    )
+    from importlib_metadata import (
+        entry_points as original_entry_points,
+    )
 
 
 @cache