1 # 2 # Uncompress a file generated via atrace -z 3 # 4 # Usage: python atrace-uncompress.py infile > outfile 5 # 6 import sys, zlib 7 8 def main(): 9 10 if len(sys.argv) != 2: 11 print >> sys.stderr, ('Usage: %s inputfile' % sys.argv[0]) 12 sys.exit(1) 13 14 infile = open(sys.argv[1], "rb") 15 out = infile.read() 16 parts = out.split('\nTRACE:', 1) 17 18 data = ''.join(parts[1]) 19 20 # Remove CR characters 21 if data.startswith('\r\n'): 22 data = data.replace('\r\n', '\n') 23 24 # Skip the initial newline. 25 data = data[1:] 26 27 if not data: 28 print >> sys.stderr, ('No trace data found') 29 sys.exit(1) 30 31 out = zlib.decompress(data) 32 print(out) 33 34 if __name__ == '__main__': 35 main() 36
