xref: /aosp_15_r20/external/grpc-grpc/tools/buildgen/plugins/supported_bazel_versions.py (revision cc02d7e222339f7a4f6ba5f422e6413f4bd931f2)
1# Copyright 2022 The gRPC authors.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14"""Retrieves supported bazel versions from plaintext file."""
15
16_SUPPORTED_VERSIONS_FILE = "bazel/supported_versions.txt"
17
18
19def _get_supported_bazel_versions():
20    versions = []
21    with open(_SUPPORTED_VERSIONS_FILE, "r") as f:
22        for line in f:
23            versions.append(line.strip())
24    return versions
25
26
27def mako_plugin(dictionary):
28    versions = _get_supported_bazel_versions()
29    dictionary["supported_bazel_versions"] = versions
30    # The entry listed in the "supported_version.txt" file is considered
31    # to be our repo-wide bazel version.
32    dictionary["primary_bazel_version"] = versions[0]
33