2 ##########################################################################
4 # Copyright 2011 Jose Fonseca
7 # Permission is hereby granted, free of charge, to any person obtaining a copy
8 # of this software and associated documentation files (the 'Software'), to deal
9 # in the Software without restriction, including without limitation the rights
10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 # copies of the Software, and to permit persons to whom the Software is
12 # furnished to do so, subject to the following conditions:
14 # The above copyright notice and this permission notice shall be included in
15 # all copies or substantial portions of the Software.
17 # THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 ##########################################################################/
27 '''Script to recompress a trace.
40 mtime = os.path.getmtime(in_name)
41 out_name = tempfile.mktemp()
43 in_stream = gzip.GzipFile(in_name, 'rb')
44 out_stream = gzip.GzipFile(out_name, 'wb', compresslevel=9, mtime=mtime)
46 shutil.copyfileobj(in_stream, out_stream)
51 in_size = os.path.getsize(in_name)
52 out_size = os.path.getsize(out_name)
54 print '%u -> %u' % (in_size, out_size)
56 if out_size < in_size:
57 shutil.move(out_name, in_name)
63 optparser = optparse.OptionParser(
64 usage='\n\t%prog <trace> ...',
67 (options, args) = optparser.parse_args(sys.argv[1:])
69 optparser.error("incorrect number of arguments")
74 if __name__ == '__main__':