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Viewing changes to bzrlib/trace.py

  • Committer: Martin Pool
  • Date: 2005-04-15 02:50:12 UTC
  • Revision ID: mbp@sourcefrog.net-20050415025012-041f1e79f85586d3
- auto-rollover of .bzr.log

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Lines of Context:
bzrlib/trace.py
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def _rollover_trace_maybe(trace_fname):
 
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    try:
 
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        size = os.stat(trace_fname)[stat.ST_SIZE]
 
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        if size <= 100000:
 
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            return
 
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        old_fname = trace_fname + '.old'
 
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        try:
 
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            # must remove before rename on windows
 
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            os.remove(old_fname)
 
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        except OSError:
 
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            pass
 
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        try:
 
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            # might fail if in use on windows
 
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            os.rename(trace_fname, old_fname)
 
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        except OSError:
 
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            pass
 
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    except OSError:
 
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        return
 
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def create_tracefile(argv):
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    # TODO: Also show contents of /etc/lsb-release, if it can be parsed.
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    #       Perhaps that should eventually go into the platform library?
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    _starttime = os.times()[4]
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    # TODO: If the file exists and is too large, rename it to .old;
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    # must handle failures of this because we can't rename an open
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    # file on Windows.
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    trace_fname = os.path.join(os.path.expanduser('~/.bzr.log'))
 
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    _rollover_trace_maybe(trace_fname)
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    # buffering=1 means line buffered
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    _tracefile = codecs.open(trace_fname, 'at', 'utf8', buffering=1)