tools/dist/backport/wc.py

#!/usr/bin/env python3

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# to you 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
#
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# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

"""
backport.wc - library for performing actions on the current WC
"""

import backport.merger

import logging

logger = logging.getLogger(__name__)


def get_wc_info():
  """Run svn info. Return a dictionary with the following elements:
  URL: The WC url
  BASE_revision: The WC base revision
  Repository_root: The WC repository root
  """
  (exit_code, stdout, stderr) = backport.merger.run_svn(["info"])
  URL = ""
  BASE_revision = ""
  Repository_root = ""
  for line in stdout.split('\n'):
    if line.startswith('URL:'):
      URL = line.split('URL:')[1].strip()
    elif line.startswith('Revision:'):
      BASE_revision = line.split('Revision:')[1].strip()
    elif line.startswith('Repository Root:'):
      Repository_root = line.split('Repository Root:')[1].strip()
  return {"URL": URL,
          "BASE_revision": BASE_revision,
          "Repository_root": Repository_root,
          }


def setUpModule():
  "Set-up function, invoked by 'python -m unittest'."
  # Suppress warnings generated by the test data.
  # TODO: some test functions assume .assertLogs is available, they fail with
  # AttributeError if it's absent (e.g., on python < 3.4).
  try:
    unittest.TestCase.assertLogs
  except AttributeError:
    logger.setLevel(logging.ERROR)

if __name__ == '__main__':
  unittest.main()