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__author__ = "Martin Pool <mbp@canonical.com>"
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"""Messages and logging for bazaar-ng
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Nothing is actually logged unless you call bzrlib.open_tracefile().
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######################################################################
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# messages and logging
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global _tracefile, _starttime
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# Messages are always written to here, so that we have some
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# information if something goes wrong. In a future version this
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# file will be removed on successful completion.
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_tracefile = file('.bzr.log', 'at')
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## TODO: If --verbose is given then write to both stderr and
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## _tracefile; perhaps replace _tracefile with a tee thing.
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# used to have % (os.environ['USER'], time.time(), os.getpid()), 'w')
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# If false, notes also go to stdout; should replace this with --silent
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# fix this if we ever fork within python
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_logprefix = '[%d] ' % _mypid
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def _write_trace(msg):
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_tracefile.write(_logprefix + msg + '\n')
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sys.stderr.write('bzr: warning: ' + msg + '\n')
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_write_trace('warning: ' + msg)
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_tracefile.write('\n')
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sys.stderr.write('- ' + msg + '\n')
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b = '* ' + str(msg) + '\n'
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sys.stderr.write(b)
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_write_trace('note: ' + msg)
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def log_error(msg):
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sys.stderr.write(msg + '\n')
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def _rollover_trace_maybe(trace_fname):
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size = os.stat(trace_fname)[stat.ST_SIZE]
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old_fname = trace_fname + '.old'
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# must remove before rename on windows
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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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def open_tracefile(argv):
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# Messages are always written to here, so that we have some
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# information if something goes wrong. In a future version this
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# file will be removed on successful completion.
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global _starttime, _tracefile
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_starttime = os.times()[4]
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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)
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if os.fstat(t.fileno())[stat.ST_SIZE] == 0:
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t.write("\nthis is a debug log for diagnosing/reporting problems in bzr\n")
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t.write("you can delete or truncate this file, or include sections in\n")
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t.write("bug reports to bazaar-ng@lists.canonical.com\n\n")
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# TODO: If we failed to create the file, perhaps give a warning
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# but don't abort; send things to /dev/null instead?
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_write_trace('bzr %s invoked on python %s (%s)'
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% (bzrlib.__version__,
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'.'.join(map(str, sys.version_info)),
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_write_trace(' arguments: %r' % argv)
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_write_trace(' working dir: ' + os.getcwdu())
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mutter("finished, %.3fu/%.3fs cpu, %.3fu/%.3fs cum, %.3f elapsed"
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% (times[:4] + ((times[4] - _starttime),)))
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"""Log the last exception into the trace file."""
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s = cgitb.text(sys.exc_info())
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for l in s.split('\n'):