structure saas with tools

.venv/lib/python3.10/site-packages/opentelemetry/util/_providers.py

@@ -0,0 +1,52 @@
+# 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 logging import getLogger
+from os import environ
+from typing import TYPE_CHECKING, TypeVar, cast
+
+from opentelemetry.util._importlib_metadata import entry_points
+
+if TYPE_CHECKING:
+    from opentelemetry.metrics import MeterProvider
+    from opentelemetry.trace import TracerProvider
+
+Provider = TypeVar("Provider", "TracerProvider", "MeterProvider")
+
+logger = getLogger(__name__)
+
+
+def _load_provider(
+    provider_environment_variable: str, provider: str
+) -> Provider:  # type: ignore[type-var]
+    try:
+        provider_name = cast(
+            str,
+            environ.get(provider_environment_variable, f"default_{provider}"),
+        )
+
+        return cast(
+            Provider,
+            next(  # type: ignore
+                iter(  # type: ignore
+                    entry_points(  # type: ignore
+                        group=f"opentelemetry_{provider}",
+                        name=provider_name,
+                    )
+                )
+            ).load()(),
+        )
+    except Exception:  # pylint: disable=broad-exception-caught
+        logger.exception("Failed to load configured provider %s", provider)
+        raise