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1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
2 # Copyright (c) 2009 The Chromium Authors. All rights reserved. | 2 # Copyright (c) 2009 The Chromium Authors. All rights reserved. |
3 # Use of this source code is governed by a BSD-style license that can be | 3 # Use of this source code is governed by a BSD-style license that can be |
4 # found in the LICENSE file. | 4 # found in the LICENSE file. |
5 | 5 |
6 """ | 6 """ |
7 version.py -- Chromium version string substitution utility. | 7 version.py -- Chromium version string substitution utility. |
8 """ | 8 """ |
9 | 9 |
10 import getopt | 10 import getopt |
11 import os | 11 import os |
12 import re | 12 import re |
13 import subprocess | 13 import subprocess |
14 import sys | 14 import sys |
15 | 15 |
16 | 16 |
17 class Usage(Exception): | 17 class Usage(Exception): |
18 def __init__(self, msg): | 18 def __init__(self, msg): |
19 self.msg = msg | 19 self.msg = msg |
20 | 20 |
21 | 21 |
22 def svn_fetch_revision(): | |
23 """ | |
24 Fetch the Subversion revision for the local tree. | |
25 | |
26 Errors are swallowed. | |
27 """ | |
28 try: | |
29 p = subprocess.Popen(['svn', 'info'], | |
30 stdout=subprocess.PIPE, | |
31 stderr=subprocess.PIPE) | |
32 except OSError: | |
33 # 'svn' is apparently either not installed or not executable. | |
34 return None | |
35 revision = None | |
36 if p: | |
37 svn_re = re.compile('^Revision:\s+(\S+)$', re.M) | |
38 m = svn_re.search(p.stdout.read()) | |
39 if m: | |
40 revision = m.group(1) | |
41 return revision | |
42 | |
43 | |
44 def git_fetch_id(): | |
45 """ | |
46 Fetch the GIT identifier for the local tree. | |
47 | |
48 Errors are swallowed. | |
49 """ | |
50 try: | |
51 p = subprocess.Popen(['git', 'log', '-1'], | |
52 stdout=subprocess.PIPE, | |
53 stderr=subprocess.PIPE) | |
54 except OSError: | |
55 # 'git' is apparently either not installed or not executable. | |
56 return None | |
57 id = None | |
58 if p: | |
59 git_re = re.compile('^\s*git-svn-id:\s+(\S+)@(\d+)', re.M) | |
60 m = git_re.search(p.stdout.read()) | |
61 if m: | |
62 id = m.group(1) | |
63 return id | |
64 | |
65 | |
66 def fetch_values_from_file(values_dict, file_name): | 22 def fetch_values_from_file(values_dict, file_name): |
67 """ | 23 """ |
68 Fetches KEYWORD=VALUE settings from the specified file. | 24 Fetches KEYWORD=VALUE settings from the specified file. |
69 | 25 |
70 Everything to the left of the first '=' is the keyword, | 26 Everything to the left of the first '=' is the keyword, |
71 everything to the right is the value. No stripping of | 27 everything to the right is the value. No stripping of |
72 white space, so beware. | 28 white space, so beware. |
73 | 29 |
74 The file must exist, otherwise you get the Python exception from open(). | 30 The file must exist, otherwise you get the Python exception from open(). |
75 """ | 31 """ |
76 for line in open(file_name, 'r').readlines(): | 32 for line in open(file_name, 'r').readlines(): |
77 key, val = line.rstrip('\r\n').split('=', 1) | 33 key, val = line.rstrip('\r\n').split('=', 1) |
78 values_dict[key] = val | 34 values_dict[key] = val |
79 | 35 |
80 | 36 |
81 def fetch_values(file_list): | 37 def fetch_values(file_list): |
82 """ | 38 """ |
83 Returns a dictionary of values to be used for substitution, populating | 39 Returns a dictionary of values to be used for substitution, populating |
84 the dictionary with KEYWORD=VALUE settings from the files in 'file_list'. | 40 the dictionary with KEYWORD=VALUE settings from the files in 'file_list'. |
85 | 41 |
86 Explicitly adds the following values from internal calculations: | 42 Explicitly adds the following value from internal calculations: |
87 | 43 |
88 LASTCHANGE (the SVN revision, or GIT id of the local tree) | |
89 OFFICIAL_BUILD | 44 OFFICIAL_BUILD |
90 """ | 45 """ |
91 change = svn_fetch_revision() | |
92 if not change and sys.platform in ('linux2',): | |
93 change = git_fetch_id() | |
94 if not change: | |
95 change = '0' | |
96 | |
97 CHROME_BUILD_TYPE = os.environ.get('CHROME_BUILD_TYPE') | 46 CHROME_BUILD_TYPE = os.environ.get('CHROME_BUILD_TYPE') |
98 if CHROME_BUILD_TYPE == '_official': | 47 if CHROME_BUILD_TYPE == '_official': |
99 official_build = '1' | 48 official_build = '1' |
100 else: | 49 else: |
101 official_build = '0' | 50 official_build = '0' |
102 | 51 |
103 values = dict( | 52 values = dict( |
104 LASTCHANGE = change, | |
105 OFFICIAL_BUILD = official_build, | 53 OFFICIAL_BUILD = official_build, |
106 ) | 54 ) |
107 | 55 |
108 for file_name in file_list: | 56 for file_name in file_list: |
109 fetch_values_from_file(values, file_name) | 57 fetch_values_from_file(values, file_name) |
110 | 58 |
111 return values | 59 return values |
112 | 60 |
113 | 61 |
114 def subst_contents(file_name, values): | 62 def subst_contents(file_name, values): |
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216 if out_file: | 164 if out_file: |
217 write_if_changed(out_file, contents) | 165 write_if_changed(out_file, contents) |
218 else: | 166 else: |
219 print contents | 167 print contents |
220 | 168 |
221 return 0 | 169 return 0 |
222 | 170 |
223 | 171 |
224 if __name__ == '__main__': | 172 if __name__ == '__main__': |
225 sys.exit(main()) | 173 sys.exit(main()) |
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