tools/PRESUBMIT.py

   1 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 """Top-level presubmit script for bisect trybot.
   6
   7 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts for
   8 details on the presubmit API built into gcl.
   9 """
  10
  11 import imp
  12
  13 def _ExamineBisectConfigFile(input_api, output_api):
  14   for f in input_api.AffectedFiles():
  15     if not f.LocalPath().endswith('run-bisect-perf-regression.cfg'):
  16       continue
  17
  18     try:
  19       cfg_file = imp.load_source('config', 'run-bisect-perf-regression.cfg')
  20
  21       for k, v in cfg_file.config.iteritems():
  22         if v:
  23           return f.LocalPath()
  24     except (IOError, AttributeError, TypeError):
  25       return f.LocalPath()
  26
  27   return None
  28
  29 def _CheckNoChangesToBisectConfigFile(input_api, output_api):
  30   results = _ExamineBisectConfigFile(input_api, output_api)
  31   if results:
  32     return [output_api.PresubmitError(
  33         'The bisection config file should only contain a config dict with '
  34         'empty fields. Changes to this file should never be submitted.',
  35         items=[results])]
  36
  37   return []
  38
  39 def CommonChecks(input_api, output_api):
  40   results = []
  41   results.extend(_CheckNoChangesToBisectConfigFile(input_api, output_api))
  42   return results
  43
  44 def CheckChangeOnUpload(input_api, output_api):
  45   return CommonChecks(input_api, output_api)
  46
  47 def CheckChangeOnCommit(input_api, output_api):
  48   return CommonChecks(input_api, output_api)