build/android/gyp/jar.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright 2013 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 import fnmatch
   8 import optparse
   9 import os
  10 import sys
  11
  12 from util import build_utils
  13 from util import md5_check
  14
  15
  16 def Jar(class_files, classes_dir, jar_path, manifest_file=None):
  17   jar_path = os.path.abspath(jar_path)
  18
  19   # The paths of the files in the jar will be the same as they are passed in to
  20   # the command. Because of this, the command should be run in
  21   # options.classes_dir so the .class file paths in the jar are correct.
  22   jar_cwd = classes_dir
  23   class_files_rel = [os.path.relpath(f, jar_cwd) for f in class_files]
  24   jar_cmd = ['jar', 'cf0', jar_path]
  25   if manifest_file:
  26     jar_cmd[1] += 'm'
  27     jar_cmd.append(os.path.abspath(manifest_file))
  28   jar_cmd.extend(class_files_rel)
  29
  30   with build_utils.TempDir() as temp_dir:
  31     empty_file = os.path.join(temp_dir, '.empty')
  32     build_utils.Touch(empty_file)
  33     jar_cmd.append(os.path.relpath(empty_file, jar_cwd))
  34     record_path = '%s.md5.stamp' % jar_path
  35     md5_check.CallAndRecordIfStale(
  36         lambda: build_utils.CheckOutput(jar_cmd, cwd=jar_cwd),
  37         record_path=record_path,
  38         input_paths=class_files,
  39         input_strings=jar_cmd,
  40         force=not os.path.exists(jar_path),
  41         )
  42
  43     build_utils.Touch(jar_path, fail_if_missing=True)
  44
  45
  46 def JarDirectory(classes_dir, excluded_classes, jar_path, manifest_file=None):
  47   class_files = build_utils.FindInDirectory(classes_dir, '*.class')
  48   for exclude in excluded_classes:
  49     class_files = filter(
  50         lambda f: not fnmatch.fnmatch(f, exclude), class_files)
  51
  52   Jar(class_files, classes_dir, jar_path, manifest_file=manifest_file)
  53
  54
  55 def main():
  56   parser = optparse.OptionParser()
  57   parser.add_option('--classes-dir', help='Directory containing .class files.')
  58   parser.add_option('--jar-path', help='Jar output path.')
  59   parser.add_option('--excluded-classes',
  60       help='List of .class file patterns to exclude from the jar.')
  61   parser.add_option('--stamp', help='Path to touch on success.')
  62
  63   options, _ = parser.parse_args()
  64
  65   if options.excluded_classes:
  66     excluded_classes = build_utils.ParseGypList(options.excluded_classes)
  67   else:
  68     excluded_classes = []
  69   JarDirectory(options.classes_dir,
  70                excluded_classes,
  71                options.jar_path)
  72
  73   if options.stamp:
  74     build_utils.Touch(options.stamp)
  75
  76
  77 if __name__ == '__main__':
  78   sys.exit(main())
  79