parsers.py 1.2 KB

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  1. # Copyright 2024 Google LLC
  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. from __future__ import absolute_import
  15. import re
  16. from . import exceptions
  17. def str2bool(s, also_true=[], also_false=[]):
  18. s = str(s).lower()
  19. if s in ("yes", "on", "t", "1", "true", "enable") or s in also_true:
  20. return True
  21. if s in ("no", "off", "f", "0", "false", "disable") or s in also_false:
  22. return False
  23. raise exceptions.ParameterError("%s not a valid bool string." % s)
  24. def str2mac(s):
  25. s = str(s)
  26. if not re.match(r'[0-9a-fA-F]{2}(:[0-9a-fA-F]{2}){5}', s):
  27. raise exceptions.ParameterError('%s is not a valid MAC address' % s)
  28. mac = []
  29. for byte in str(s).split(':'):
  30. mac.append(int(byte, 16))
  31. return tuple(mac)