fixbag_batch.py

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#!/usr/bin/env python
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from __future__ import print_function

import os
import sys
import rosbag.migration

def fixbag_batch(inbags):
    mm = rosbag.migration.MessageMigrator()

    for b in inbags:
        print('Trying to migrate: %s' % b)
        outbag = b + '.tmp'
        if not rosbag.migration.fixbag(mm, b, outbag):
            os.remove(outbag)
            print(' Migration failed.')
            continue

        oldnamebase = b + '.old'
        oldname = oldnamebase
        i = 1
        while os.path.isfile(oldname):
            i += 1
            oldname = oldnamebase + str(i)
        os.rename(b, oldname)
        os.rename(outbag, b)
        print(' Migration successful.  Original stored as: %s' % oldname)

if __name__ == '__main__':
    import sys
    if len(sys.argv) >= 2:
        fixbag_batch(sys.argv[1:])
    else:
        print('usage: fixbag_batch.py bag1 [bag2 bag3 ...]')
        exit(2)