| # 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. | |
| """Respect explicit Authorization headers while retaining Requests proxy handling.""" | |
| from collections.abc import Mapping | |
| from requests import PreparedRequest | |
| from requests.auth import AuthBase | |
| class _ExplicitAuthorization(AuthBase): | |
| def __call__(self, r: PreparedRequest) -> PreparedRequest: | |
| return r | |
| def request_auth(headers: Mapping[str, str], basic_auth: tuple[str, str]) -> AuthBase | tuple[str, str]: | |
| # auth=None lets Requests apply .netrc credentials over an explicit header. | |
| if any(key.lower() == "authorization" for key in headers): | |
| return _ExplicitAuthorization() | |
| return basic_auth |