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# Copyright 2022 The Bazel Authors. All rights reserved.
#
# 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.
"""Helpers copied from http_file source to be reused here.
The implementation below is copied directly from Bazel's implementation of `http_archive`.
Accordingly, the return value of this function should be used identically as the `auth` parameter of `http_archive`.
Reference: https://github.com/bazelbuild/bazel/blob/6.3.2/tools/build_defs/repo/http.bzl#L109
"""
# TODO @aignas 2023-12-18: use the following instead when available.
# load("@bazel_tools//tools/build_defs/repo:utils.bzl", "get_auth")
load("@bazel_tools//tools/build_defs/repo:utils.bzl", "read_netrc", "read_user_netrc", "use_netrc")
def get_auth(rctx, urls):
"""Utility for retrieving netrc-based authentication parameters for repository download rules used in python_repository.
Args:
rctx (repository_ctx): The repository rule's context object.
urls: A list of URLs from which assets will be downloaded.
Returns:
dict: A map of authentication parameters by URL.
"""
if rctx.attr.netrc:
netrc = read_netrc(rctx, rctx.attr.netrc)
elif "NETRC" in rctx.os.environ:
netrc = read_netrc(rctx, rctx.os.environ["NETRC"])
else:
netrc = read_user_netrc(rctx)
return use_netrc(netrc, urls, rctx.attr.auth_patterns)
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