1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
#!/usr/bin/python
# Copyright 2014 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.
import argparse
from HTMLParser import HTMLParser
import subprocess
import sys
import os
DESCRIPTION = '''Extract the <script> tags from the specified html file and
run them through jscompile, along with any additional JS files specified.'''
FILES_HELP = '''A list of HTML or Javascript files. The Javascript files should
contain definitions of types or functions that are known to Chrome but not to
jscompile; they are added to the list of <script> tags found in each of the
HTML files.'''
STAMP_HELP = 'Timestamp file to update on success.'
class ScriptTagParser(HTMLParser):
def __init__(self):
HTMLParser.__init__(self)
self.scripts = []
def handle_starttag(self, tag, attrs):
if tag == 'script':
for (name, value) in attrs:
if name == 'src':
self.scripts.append(value)
def parseHtml(html_file, js_proto_files):
src_dir = os.path.split(html_file)[0]
f = open(html_file, 'r')
html = f.read()
parser = ScriptTagParser();
parser.feed(html)
scripts = []
for script in parser.scripts:
# Ignore non-local scripts
if not '://' in script:
scripts.append(os.path.join(src_dir, script))
args = ['jscompile'] + scripts + js_proto_files
result = subprocess.call(args)
return result == 0
def main():
parser = argparse.ArgumentParser(description = DESCRIPTION)
parser.add_argument('files', nargs = '+', help = FILES_HELP)
parser.add_argument('--success-stamp', dest = 'success_stamp',
help = STAMP_HELP)
options = parser.parse_args()
html = []
js = []
for file in options.files:
name, extension = os.path.splitext(file)
if extension == '.html':
html.append(file)
elif extension == '.js':
js.append(file)
else:
print >> sys.stderr, 'Unknown extension (' + extension + ') for ' + file
return 1
for html_file in html:
if not parseHtml(html_file, js):
return 1
if options.success_stamp:
with open(options.success_stamp, 'w'):
os.utime(options.success_stamp, None)
return 0
if __name__ == '__main__':
sys.exit(main())
|
