Use opentelemertry importlib metadata

opentelemetry-instrumentation/src/opentelemetry/instrumentation/bootstrap.py

@@ -15,7 +15,9 @@
 import argparse
 import logging
 import sys
-from importlib.metadata import PackageNotFoundError, version
+from opentelemetry.util._importlib_metadata import (
+    PackageNotFoundError, version
+)
 from subprocess import (
     PIPE,
     CalledProcessError,

opentelemetry-instrumentation/src/opentelemetry/instrumentation/dependencies.py

@@ -1,4 +1,20 @@
-from importlib.metadata import Distribution, PackageNotFoundError, version
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from opentelemetry.util._importlib_metadata import (
+    Distribution, PackageNotFoundError, version
+)
 from logging import getLogger
 from typing import Collection, Optional, Union
 

opentelemetry-instrumentation/src/opentelemetry/instrumentation/distro.py

@@ -18,7 +18,7 @@
 """
 
 from abc import ABC, abstractmethod
-from importlib.metadata import EntryPoint
+from opentelemetry.util._importlib_metadata import EntryPoint
 from logging import getLogger
 
 from opentelemetry.instrumentation.instrumentor import BaseInstrumentor

opentelemetry-instrumentation/tests/test_dependencies.py

@@ -14,8 +14,8 @@
 
 # pylint: disable=protected-access
 
-from importlib.metadata import Distribution, requires
-from packaging.requirements import Requirement, InvalidRequirement
+from opentelemetry.util._importlib_metadata import Distribution, requires
+from packaging.requirements import Requirement
 import pytest
 
 from opentelemetry.instrumentation.dependencies import (
@@ -69,8 +69,8 @@ def test_get_dist_dependency_conflicts(self):
         def mock_requires(extras=()):
             if "instruments" in extras:
                 return requires(
-                        'test-pkg ~= 1.0; extra == "instruments"'
-                    )
+                    'test-pkg ~= 1.0; extra == "instruments"'
+                )
             return []
 
         dist = Distribution()

opentelemetry-instrumentation/tests/test_distro.py

@@ -15,7 +15,7 @@
 
 from unittest import TestCase
 
-from importlib.metadata import EntryPoint
+from opentelemetry.util._importlib_metadata import EntryPoint
 
 from opentelemetry.instrumentation.distro import BaseDistro
 from opentelemetry.instrumentation.instrumentor import BaseInstrumentor