Refactor generate engine manifest to accept blacklist as an argument.

blimp/tools/generate-engine-manifest.py

-#!/usr/bin/env python
-# Copyright 2015 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.
-
-'''Generates a list of runtime Blimp Engine runtime dependencies.
-'''
-
-
-import argparse
-import fnmatch
-import os
-import subprocess
-import sys
-
-# Returns True if |entry| matches any of the patterns in |blacklist|.
-def IsBlacklisted(entry, blacklist):
-  return any([next_pat for next_pat in blacklist
-              if fnmatch.fnmatch(entry, next_pat)])
-
-def main():
-  parser = argparse.ArgumentParser(description=__doc__)
-  parser.add_argument('--build-dir',
-                      help=('build output directory (e.g. out/Debug)'),
-                      required=True,
-                      metavar='DIR')
-  parser.add_argument('--target',
-                      help=('build target of engine'),
-                      required=True)
-  parser.add_argument('--output',
-                      help=('name and path of manifest file to create'),
-                      required=True,
-                      metavar='FILE')
-  args = parser.parse_args()
-
-  try:
-    deps = subprocess.check_output(['gn', 'desc', args.build_dir, args.target,
-                                    'runtime_deps']).split()
-  except subprocess.CalledProcessError as e:
-    print "Error: " + ' '.join(e.cmd)
-    print e.output
-    exit(1)
-
-  command_line = ' '.join([os.path.basename(sys.argv[0])] + sys.argv[1:])
-  header = [
-      '# Runtime dependencies for the Blimp Engine',
-      '#',
-      '# This file was generated by running:',
-      '# ' + command_line + '',
-      '#',
-      '# Note: Any unnecessary dependencies should be added to',
-      '#       manifest-blacklist.txt and this file should be regenerated.',
-      '',
-  ]
-
-  blacklist_patterns = []
-  with open(os.path.join(os.sys.path[0], 'manifest-blacklist.txt'), 'r') \
-      as blacklist_file:
-    blacklist_patterns = \
-        [entry.partition('#')[0].strip() for entry \
-         in blacklist_file.readlines()]
-
-  with open(args.output, 'w') as manifest:
-    manifest.write('\n'.join(header))
-    manifest.write('\n'.join([dep for dep in deps
-                              if not IsBlacklisted(dep, blacklist_patterns)]))
-
-  print 'Created ' + args.output
-
-if __name__ == "__main__":
-  main()