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entry_points.py
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entry_points.py
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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 __future__ import annotations
from typing import Iterator
from packaging.utils import canonicalize_name
try:
import importlib_metadata as metadata
except ImportError:
from importlib import metadata # type: ignore[no-redef]
def entry_points_with_dist(group: str) -> Iterator[tuple[metadata.EntryPoint, metadata.Distribution]]:
"""Retrieve entry points of the given group.
This is like the ``entry_points()`` function from importlib.metadata,
except it also returns the distribution the entry_point was loaded from.
:param group: Filter results to only this entrypoint group
:return: Generator of (EntryPoint, Distribution) objects for the specified groups
"""
loaded: set[str] = set()
for dist in metadata.distributions():
key = canonicalize_name(dist.metadata["Name"])
if key in loaded:
continue
loaded.add(key)
for e in dist.entry_points:
if e.group != group:
continue
yield e, dist