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| 1 #!/usr/bin/env python | |
| 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 | |
| 4 # found in the LICENSE file. | |
| 5 | |
| 6 # This script concatenates in place JS files in the order specified | |
| 7 # using <script> tags in a given 'order.html' file. | |
| 8 | |
| 9 from HTMLParser import HTMLParser | |
| 10 from cStringIO import StringIO | |
| 11 import os.path | |
| 12 import sys | |
| 13 | |
| 14 class OrderedJSFilesExtractor(HTMLParser): | |
| 15 | |
| 16 def __init__(self, order_html_name): | |
| 17 HTMLParser.__init__(self) | |
| 18 self.ordered_js_files = [] | |
| 19 order_html = open(order_html_name, 'r') | |
| 20 self.feed(order_html.read()) | |
| 21 | |
| 22 def handle_starttag(self, tag, attrs): | |
| 23 if tag == 'script': | |
| 24 attrs_dict = dict(attrs) | |
| 25 if ('type' in attrs_dict and attrs_dict['type'] == 'text/javascript' and | |
| 26 'src' in attrs_dict): | |
| 27 self.ordered_js_files.append(attrs_dict['src']) | |
| 28 | |
| 29 class PathExpander: | |
| 30 | |
| 31 def __init__(self, paths): | |
| 32 self.paths = paths; | |
| 33 | |
| 34 def expand(self, filename): | |
| 35 last_path = None | |
| 36 expanded_name = None | |
| 37 for path in self.paths: | |
| 38 fname = "%s/%s" % (path, filename) | |
| 39 if (os.access(fname, os.F_OK)): | |
| 40 if (last_path != None): | |
| 41 raise Exception('Ambiguous file %s: found in %s and %s' % | |
| 42 (filename, last_path, path)) | |
| 43 expanded_name = fname | |
| 44 last_path = path | |
| 45 return expanded_name | |
| 46 | |
| 47 def main(argv): | |
| 48 | |
| 49 if len(argv) < 3: | |
| 50 print('usage: %s order.html input_source_dir_1 input_source_dir_2 ... ' | |
| 51 'output_file' % argv[0]) | |
| 52 return 1 | |
| 53 | |
| 54 output_file_name = argv.pop() | |
| 55 input_order_file_name = argv[1] | |
| 56 extractor = OrderedJSFilesExtractor(input_order_file_name) | |
| 57 expander = PathExpander(argv[2:]) | |
| 58 output = StringIO() | |
| 59 | |
| 60 for input_file_name in extractor.ordered_js_files: | |
| 61 full_path = expander.expand(input_file_name) | |
| 62 if (full_path is None): | |
| 63 raise Exception('File %s referenced in %s not found on any source paths, ' | |
| 64 'check source tree for consistency' % | |
| 65 (input_file_name, input_order_file_name)) | |
| 66 output.write('/* %s */\n\n' % input_file_name) | |
| 67 input_file = open(full_path, 'r') | |
| 68 output.write(input_file.read()) | |
| 69 output.write('\n') | |
| 70 input_file.close() | |
| 71 | |
| 72 output_file = open(output_file_name, 'w') | |
| 73 output_file.write(output.getvalue()) | |
| 74 output_file.close() | |
| 75 output.close() | |
| 76 | |
| 77 # Touch output file directory to make sure that Xcode will copy | |
| 78 # modified resource files. | |
| 79 if sys.platform == 'darwin': | |
| 80 output_dir_name = os.path.dirname(output_file_name) | |
| 81 os.utime(output_dir_name, None) | |
| 82 | |
| 83 if __name__ == '__main__': | |
| 84 sys.exit(main(sys.argv)) | |
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