dump-db.py

   1 #!/usr/bin/env python2
   2
   3 import anydbm
   4 import marshal
   5 import sys
   6 import os.path
   7
   8
   9 def usage():
  10   cmd = sys.argv[0]
  11   sys.stderr.write("Usage: %s DBFILE [...]\n\n" % os.path.basename(cmd))
  12   sys.stderr.write("Dump .db database files created by cvs2svn.\n")
  13   sys.exit(1)
  14
  15
  16 def main():
  17   argc = len(sys.argv)
  18   if argc < 2:
  19     usage()
  20   for db_file in sys.argv[1:]:
  21     print '*** ' + db_file + ' ***'
  22     print ''
  23     db = anydbm.open(db_file, 'r')
  24     keys = db.keys()
  25     keys.sort()
  26     longest_len = 0
  27     for key in keys:
  28       this_len = len(key)
  29       if this_len > longest_len:
  30         longest_len = this_len
  31     for key in keys:
  32       this_len = len(key)
  33       # We usually don't store raw values that happen to look like
  34       # marshalled data, so this is reliable enough.
  35       try:
  36         value = str(marshal.loads(db[key]))
  37       except:
  38         value = db[key]
  39       print ' ' * (longest_len - this_len) + key + ' : ' + value
  40     print ''
  41
  42 if __name__ == "__main__":
  43   main()