hue_shared.py 1006 B

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  1. # Licensed to Cloudera, Inc. under one
  2. # or more contributor license agreements. See the NOTICE file
  3. # distributed with this work for additional information
  4. # regarding copyright ownership. Cloudera, Inc. licenses this file
  5. # to you under the Apache License, Version 2.0 (the
  6. # "License"); you may not use this file except in compliance
  7. # with the License. You may obtain a copy of the License at
  8. #
  9. # http://www.apache.org/licenses/LICENSE-2.0
  10. #
  11. # Unless required by applicable law or agreed to in writing, software
  12. # distributed under the License is distributed on an "AS IS" BASIS,
  13. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. # See the License for the specific language governing permissions and
  15. # limitations under the License.
  16. import os
  17. def which(file_name):
  18. for path in os.environ["PATH"].split(os.pathsep):
  19. full_path = os.path.join(path, file_name)
  20. if os.path.exists(full_path) and os.access(full_path, os.X_OK):
  21. return full_path
  22. return None