third_party/WebKit/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/perf 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 import os
  13
  14
  15 def _ExamineConfigFiles(input_api):
  16     for f in input_api.AffectedFiles():
  17         if (not f.LocalPath().endswith('run-perf-test.cfg')):
  18             continue
  19
  20         try:
  21             cfg_file = imp.load_source('config', os.path.basename(f.LocalPath()))
  22
  23             for k, v in cfg_file.config.iteritems():
  24                 if v:
  25                     return f.LocalPath()
  26         except (IOError, AttributeError, TypeError):
  27             return f.LocalPath()
  28
  29     return None
  30
  31
  32 def _CheckNoChangesToBisectConfigFile(input_api, output_api):
  33     results = _ExamineConfigFiles(input_api)
  34     if results:
  35         return [output_api.PresubmitError(
  36             'The perf try config file should only contain a config dict with '
  37             'empty fields. Changes to this file should never be submitted.',
  38             items=[results])]
  39
  40     return []
  41
  42
  43 def CommonChecks(input_api, output_api):
  44     results = []
  45     results.extend(_CheckNoChangesToBisectConfigFile(input_api, output_api))
  46     return results
  47
  48
  49 def CheckChangeOnUpload(input_api, output_api):
  50     return CommonChecks(input_api, output_api)
  51
  52
  53 def CheckChangeOnCommit(input_api, output_api):
  54     return CommonChecks(input_api, output_api)