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1 #!/usr/bin/env python | |
2 # Copyright (c) 2012 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 | |
6 """Generate java source files from protobuf files. | |
7 | |
8 This is a helper file for the genproto_java action in protoc_java.gypi. | |
9 | |
10 It performs the following steps: | |
11 1. Deletes all old sources (ensures deleted classes are not part of new jars). | |
12 2. Creates source directory. | |
13 3. Generates Java files using protoc (output into either --java-out-dir or | |
14 --srcjar). | |
15 4. Creates a new stamp file. | |
16 """ | |
17 | |
18 import os | |
19 import optparse | |
20 import shutil | |
21 import subprocess | |
22 import sys | |
23 | |
24 sys.path.append(os.path.join(os.path.dirname(__file__), "android", "gyp")) | |
25 from util import build_utils | |
26 | |
27 def main(argv): | |
28 parser = optparse.OptionParser() | |
29 build_utils.AddDepfileOption(parser) | |
30 parser.add_option("--protoc", help="Path to protoc binary.") | |
31 parser.add_option("--proto-path", help="Path to proto directory.") | |
32 parser.add_option("--java-out-dir", | |
33 help="Path to output directory for java files.") | |
34 parser.add_option("--srcjar", help="Path to output srcjar.") | |
35 parser.add_option("--stamp", help="File to touch on success.") | |
36 options, args = parser.parse_args(argv) | |
37 | |
38 build_utils.CheckOptions(options, parser, ['protoc', 'proto_path']) | |
39 if not options.java_out_dir and not options.srcjar: | |
40 print 'One of --java-out-dir or --srcjar must be specified.' | |
41 return 1 | |
42 | |
43 with build_utils.TempDir() as temp_dir: | |
44 # Specify arguments to the generator. | |
45 generator_args = ['optional_field_style=reftypes', | |
46 'store_unknown_fields=true'] | |
47 out_arg = '--javanano_out=' + ','.join(generator_args) + ':' + temp_dir | |
48 # Generate Java files using protoc. | |
49 build_utils.CheckOutput( | |
50 [options.protoc, '--proto_path', options.proto_path, out_arg] | |
51 + args) | |
52 | |
53 if options.java_out_dir: | |
54 build_utils.DeleteDirectory(options.java_out_dir) | |
55 shutil.copytree(temp_dir, options.java_out_dir) | |
56 else: | |
57 build_utils.ZipDir(options.srcjar, temp_dir) | |
58 | |
59 if options.depfile: | |
60 build_utils.WriteDepfile( | |
61 options.depfile, | |
62 args + [options.protoc] + build_utils.GetPythonDependencies()) | |
63 | |
64 if options.stamp: | |
65 build_utils.Touch(options.stamp) | |
66 | |
67 if __name__ == '__main__': | |
68 sys.exit(main(sys.argv[1:])) | |
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