| # Copyright 2019 The gRPC 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. |
| |
| import os |
| import site |
| import sys |
| |
| |
| # TODO(https://github.com/bazelbuild/bazel/issues/6844) Bazel failed to |
| # interpret namespace packages correctly. This monkey patch will force the |
| # Python process to parse the .pth file in the sys.path to resolve namespace |
| # package in the right place. |
| # Analysis in depth: https://github.com/bazelbuild/rules_python/issues/55 |
| def sys_path_to_site_dir_hack(): |
| """Add valid sys.path item to site directory to parse the .pth files.""" |
| for item in sys.path: |
| if os.path.exists(item): |
| # The only difference between sys.path and site-directory is |
| # whether the .pth file will be parsed or not. A site-directory |
| # will always exist in sys.path, but not another way around. |
| site.addsitedir(item) |