3 # Copyright (C) 2010 Google Inc. All rights reserved.
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions are
9 # * Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # * Redistributions in binary form must reproduce the above
12 # copyright notice, this list of conditions and the following disclaimer
13 # in the documentation and/or other materials provided with the
15 # * Neither the name of Google Inc. nor the names of its
16 # contributors may be used to endorse or promote products derived from
17 # this software without specific prior written permission.
19 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 # This script concatenates in place CSS files in the order specified
33 # using <link> tags in a given 'order.html' file.
35 from __future__ import with_statement
37 from HTMLParser import HTMLParser
38 from cStringIO import StringIO
43 class OrderedCSSFilesExtractor(HTMLParser):
45 def __init__(self, order_html):
46 HTMLParser.__init__(self)
47 self.ordered_css_files = []
50 def handle_starttag(self, tag, attrs):
52 attrs_dict = dict(attrs)
53 if ('type' in attrs_dict and attrs_dict['type'] == 'text/css' and
54 'href' in attrs_dict):
55 self.ordered_css_files.append(attrs_dict['href'])
60 def __init__(self, paths):
63 def expand(self, filename):
66 for path in self.paths:
67 fname = "%s/%s" % (path, filename)
68 if (os.access(fname, os.F_OK)):
69 if (last_path != None):
70 raise Exception('Ambiguous file %s: found in %s and %s' %
71 (filename, last_path, path))
80 print('usage: %s order.html input_source_dir_1 input_source_dir_2 ... '
81 'output_file' % argv[0])
84 output_file_name = argv.pop()
85 input_order_file_name = argv[1]
86 with open(input_order_file_name, 'r') as order_html:
87 extractor = OrderedCSSFilesExtractor(order_html.read())
88 # Unconditionally append devTools.css. It will contain concatenated files.
89 extractor.ordered_css_files.append('devTools.css')
91 expander = PathExpander(argv[2:])
94 for input_file_name in extractor.ordered_css_files:
95 full_path = expander.expand(input_file_name)
96 if (full_path is None):
97 raise Exception('File %s referenced in %s not found on any source paths, '
98 'check source tree for consistency' %
99 (input_file_name, input_order_file_name))
100 output.write('/* %s */\n\n' % input_file_name)
101 input_file = open(full_path, 'r')
102 output.write(input_file.read())
106 output_file = open(output_file_name, 'w')
107 output_file.write(output.getvalue())
111 # Touch output file directory to make sure that Xcode will copy
112 # modified resource files.
113 if sys.platform == 'darwin':
114 output_dir_name = os.path.dirname(output_file_name)
115 os.utime(output_dir_name, None)
118 if __name__ == '__main__':
119 sys.exit(main(sys.argv))