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1#!/usr/bin/env python
2# Copyright 2016 The Chromium Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6import argparse
7import os
8import sys
9
10
11_CATAPULT_PATH = os.path.abspath(
12    os.path.join(os.path.dirname(__file__),
13                 os.path.pardir, os.path.pardir, os.path.pardir))
14
15
16_ESLINT_PATH = os.path.abspath(
17    os.path.join(os.path.dirname(__file__), os.path.pardir))
18
19
20DIRECTORIES_TO_LINT = [
21  os.path.join(_CATAPULT_PATH, 'dashboard', 'dashboard'),
22  os.path.join(_CATAPULT_PATH, 'tracing', 'tracing')
23]
24
25
26def _AddToPathIfNeeded(path):
27  if path not in sys.path:
28    sys.path.insert(0, path)
29
30
31if __name__ == '__main__':
32  _AddToPathIfNeeded(_ESLINT_PATH)
33  import eslint
34
35  parser = argparse.ArgumentParser(
36      description='Wrapper script to run eslint on Catapult code')
37  parser.add_argument('--paths', '-p', default=None, nargs='+', metavar='PATH',
38                      help='List of paths to lint')
39  parser.add_argument('--all', default=None, action='store_true',
40                      help='Runs eslint on all applicable Catapult code')
41  parser.add_argument('--extra-args', default=None, type=str,
42                      help='A string of extra arguments to pass to eslint')
43
44  args = parser.parse_args(sys.argv[1:])
45  if ((args.paths is not None and args.all is not None) or
46      (args.paths is None and args.all is None)):
47    print 'Either --paths or --all must be used, but not both.\n'
48    parser.print_help()
49    sys.exit(1)
50
51  paths = DIRECTORIES_TO_LINT if args.all else args.paths
52  success, output = eslint.RunEslint(paths, extra_args=args.extra_args)
53  print output
54  sys.exit(not success)
55