/usr/lib/rosbag/fix_moved_messages.py is in python-rosbag 1.11.16-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# Software License Agreement (BSD License)
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from __future__ import print_function
import rospy
import rosbag
import fileinput
def fixbags(md5file, inbag, outbag):
d = {}
for line in fileinput.input(md5file):
sp = line.split()
d[sp[1]] = [sp[0], sp[2], sp[3]]
rebag = rosbag.Bag(outbag, 'w')
for topic, msg, t in rosbag.Bag(inbag).read_messages(raw=True):
type, bytes, md5 = msg[0], msg[1], msg[2]
if md5 in d:
if type != d[md5][0]:
print('WARNING: found matching md5, but non-matching name')
continue
msg = (d[md5][1], msg[1], d[md5][2])
rebag.write(topic, msg, t, raw=True)
rebag.close()
if __name__ == '__main__':
import sys
if len(sys.argv) == 4:
fixbags(sys.argv[1], sys.argv[2], sys.argv[3])
else:
print('usage: fix_moved_messages.py <name_md5_file> <inbag> <outbag>')
exit(2)
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