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Viewing changes to bzrlib/weave.py

  • Committer: Martin Pool
  • Date: 2005-07-18 18:53:46 UTC
  • Revision ID: mbp@sourcefrog.net-20050718185346-6226a1be01b942e1
- new 'weave stats' command

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bzrlib/weave.py
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def weave_stats(weave_file):
 
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    from bzrlib.progress import ProgressBar
 
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    from bzrlib.weavefile import read_weave
 
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    pb = ProgressBar()
 
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    wf = file(weave_file, 'rb')
 
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    w = read_weave(wf)
 
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    # FIXME: doesn't work on pipes
 
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    weave_size = wf.tell()
 
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    total = 0
 
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    vers = len(w)
 
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    for i in range(vers):
 
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        pb.update('checking sizes', i, vers)
 
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        for line in w.get_iter(i):
 
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            total += len(line)
 
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    pb.clear()
 
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    print 'versions          %9d' % vers
 
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    print 'weave file        %9d bytes' % weave_size
 
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    print 'total contents    %9d bytes' % total
 
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    print 'compression ratio %9.2fx' % (float(total) / float(weave_size))
 
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def usage():
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    print """bzr weave tool
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    elif cmd == 'info':
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        weave_info(readit())
 
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    elif cmd == 'stats':
 
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        weave_stats(argv[2])
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    elif cmd == 'check':
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        w = readit()