chrome/browser/PRESUBMIT.py

# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Presubmit script for Chromium browser code."""

USE_PYTHON3 = True

import re

def _RunHistogramChecks(input_api, output_api, histogram_name):
  try:
    # Setup sys.path so that we can call histograms code.
    import sys
    original_sys_path = sys.path
    sys.path = sys.path + [input_api.os_path.join(
        input_api.change.RepositoryRoot(),
        'tools', 'metrics', 'histograms')]

    results = []

    import presubmit_bad_message_reasons
    results.extend(presubmit_bad_message_reasons.PrecheckBadMessage(input_api,
        output_api, histogram_name))

    return results
  except:
    return [output_api.PresubmitError('Could not verify histogram!')]
  finally:
    sys.path = original_sys_path

def _CheckUnwantedDependencies(input_api, output_api):
  problems = []
  for f in input_api.AffectedFiles():
    if not f.LocalPath().endswith('DEPS'):
      continue

    for line_num, line in f.ChangedContents():
      if not line.strip().startswith('#'):
        m = re.search(r".*\/blink\/public\/web.*", line)
        if m:
          problems.append(m.group(0))

  if not problems:
    return []
  return [output_api.PresubmitPromptWarning(
      'chrome/browser cannot depend on blink/public/web interfaces. ' +
      'Use blink/public/common instead.',
      items=problems)]

def _CommonChecks(input_api, output_api):
  """Checks common to both upload and commit."""
  results = []
  results.extend(_CheckUnwantedDependencies(input_api, output_api))
  results.extend(_RunHistogramChecks(input_api, output_api,
                 "BadMessageReasonChrome"))
  return results


def CheckChangeOnUpload(input_api, output_api):
  return _CommonChecks(input_api, output_api)


def CheckChangeOnCommit(input_api, output_api):
  return _CommonChecks(input_api, output_api)