third_party/polymer/PRESUBMIT.py

   1 # Copyright 2014 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 """Chromium presubmit script for third_party/polymer.
   6
   7 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
   8 for more details on the presubmit API built into depot_tools.
   9 """
  10
  11 import os
  12 import json
  13
  14 def _CheckBowerDependencies(input_api, output_api):
  15   os_path = input_api.os_path
  16   cwd = input_api.PresubmitLocalPath()
  17   components_dir = os_path.join(cwd, 'components')
  18   bower_json_path = os_path.join(cwd, 'bower.json')
  19
  20   for f in input_api.AffectedFiles(include_dirs=True):
  21     p = f.AbsoluteLocalPath()
  22     if p == bower_json_path or p.startswith(components_dir):
  23       break
  24   else:
  25       return []
  26
  27   bower_dependencies = \
  28       set(json.load(open(bower_json_path))['dependencies'].keys())
  29   installed_components = set(p for p in os.listdir(components_dir))
  30
  31   if bower_dependencies == installed_components:
  32     return []
  33
  34   problems = []
  35
  36   if installed_components - bower_dependencies:
  37     problems.append(output_api.PresubmitError(
  38         'Found components that are not listed in bower.json.',
  39         items = list(installed_components - bower_dependencies)))
  40
  41   if bower_dependencies - installed_components:
  42     problems.append(output_api.PresubmitError(
  43         'Some of the Bower dependencies are not installed.',
  44         items = list(bower_dependencies - installed_components)))
  45
  46   return problems
  47
  48 def CheckChangeOnUpload(input_api, output_api):
  49   return _CheckBowerDependencies(input_api, output_api)
  50
  51
  52 def CheckChangeOnCommit(input_api, output_api):
  53   return _CheckBowerDependencies(input_api, output_api)