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      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 gcl.
      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   # Add web-animations-js because we keep it in a separate directory
     31   # '../third_party/web-animations-js'.
     32   installed_components.add('web-animations-js')
     33 
     34   if bower_dependencies == installed_components:
     35     return []
     36 
     37   problems = []
     38 
     39   if installed_components - bower_dependencies:
     40     problems.append(output_api.PresubmitError(
     41         'Found components that are not listed in bower.json.',
     42         items = list(installed_components - bower_dependencies)))
     43 
     44   if bower_dependencies - installed_components:
     45     problems.append(output_api.PresubmitError(
     46         'Some of the Bower dependencies are not installed.',
     47         items = list(bower_dependencies - installed_components)))
     48 
     49   return problems
     50 
     51 def CheckChangeOnUpload(input_api, output_api):
     52   return _CheckBowerDependencies(input_api, output_api)
     53 
     54 
     55 def CheckChangeOnCommit(input_api, output_api):
     56   return _CheckBowerDependencies(input_api, output_api)
     57