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1 # Copyright (C) 2013 Google Inc. All rights reserved. | 1 # Copyright (C) 2013 Google Inc. All rights reserved. |
2 # | 2 # |
3 # Redistribution and use in source and binary forms, with or without | 3 # Redistribution and use in source and binary forms, with or without |
4 # modification, are permitted provided that the following conditions are | 4 # modification, are permitted provided that the following conditions are |
5 # met: | 5 # met: |
6 # | 6 # |
7 # * Redistributions of source code must retain the above copyright | 7 # * Redistributions of source code must retain the above copyright |
8 # notice, this list of conditions and the following disclaimer. | 8 # notice, this list of conditions and the following disclaimer. |
9 # * Redistributions in binary form must reproduce the above | 9 # * Redistributions in binary form must reproduce the above |
10 # copyright notice, this list of conditions and the following disclaimer | 10 # copyright notice, this list of conditions and the following disclaimer |
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55 # Path handling for libraries and templates | 55 # Path handling for libraries and templates |
56 # Paths have to be normalized because Jinja uses the exact template path to | 56 # Paths have to be normalized because Jinja uses the exact template path to |
57 # determine the hash used in the cache filename, and we need a pre-caching step | 57 # determine the hash used in the cache filename, and we need a pre-caching step |
58 # to be concurrency-safe. Use absolute path because __file__ is absolute if | 58 # to be concurrency-safe. Use absolute path because __file__ is absolute if |
59 # module is imported, and relative if executed directly. | 59 # module is imported, and relative if executed directly. |
60 # If paths differ between pre-caching and individual file compilation, the cache | 60 # If paths differ between pre-caching and individual file compilation, the cache |
61 # is regenerated, which causes a race condition and breaks concurrent build, | 61 # is regenerated, which causes a race condition and breaks concurrent build, |
62 # since some compile processes will try to read the partially written cache. | 62 # since some compile processes will try to read the partially written cache. |
63 module_path = os.path.dirname(os.path.realpath(__file__)) | 63 module_path = os.path.dirname(os.path.realpath(__file__)) |
64 third_party_dir = os.path.normpath(os.path.join( | 64 third_party_dir = os.path.normpath(os.path.join( |
65 module_path, os.pardir, os.pardir, os.pardir, os.pardir, os.pardir)) | 65 module_path, os.pardir, os.pardir, os.pardir, os.pardir)) |
66 templates_dir = os.path.normpath(os.path.join( | 66 templates_dir = os.path.normpath(os.path.join( |
67 module_path, os.pardir, os.pardir, 'templates')) | 67 module_path, os.pardir, 'templates')) |
68 | 68 |
69 # jinja2 is in chromium's third_party directory. | 69 # jinja2 is in chromium's third_party directory. |
70 # Insert at 1 so at front to override system libraries, and | 70 # Insert at 1 so at front to override system libraries, and |
71 # after path[0] == invoking script dir | 71 # after path[0] == invoking script dir |
72 sys.path.insert(1, third_party_dir) | 72 sys.path.insert(1, third_party_dir) |
73 import jinja2 | 73 import jinja2 |
74 | 74 |
75 import v8_callback_interface | 75 import v8_callback_interface |
76 from v8_globals import includes, interfaces | 76 from v8_globals import includes, interfaces |
77 import v8_interface | 77 import v8_interface |
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205 | 205 |
206 # Create a dummy file as output for the build system, | 206 # Create a dummy file as output for the build system, |
207 # since filenames of individual cache files are unpredictable and opaque | 207 # since filenames of individual cache files are unpredictable and opaque |
208 # (they are hashes of the template path, which varies based on environment) | 208 # (they are hashes of the template path, which varies based on environment) |
209 with open(dummy_filename, 'w') as dummy_file: | 209 with open(dummy_filename, 'w') as dummy_file: |
210 pass # |open| creates or touches the file | 210 pass # |open| creates or touches the file |
211 | 211 |
212 | 212 |
213 if __name__ == '__main__': | 213 if __name__ == '__main__': |
214 sys.exit(main(sys.argv)) | 214 sys.exit(main(sys.argv)) |
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