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# TODO: What should happen if we fail to open the trace file? Maybe the
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# objects should be pointed at /dev/null or the equivalent? Currently
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# returns None which will cause failures later.
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def enable_default_logging():
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"""Configure default logging: messages to stderr and debug to .bzr.log
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This should only be called once per process.
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Non-command-line programs embedding bzrlib do not need to call this. They
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can instead either pass a file to _push_log_file, or act directly on
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logging.getLogger("bzr").
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Output can be redirected away by calling _push_log_file.
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# Do this before we open the log file, so we prevent
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# get_terminal_encoding() from mutter()ing multiple times
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term_encoding = osutils.get_terminal_encoding()
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start_time = osutils.format_local_date(_bzr_log_start_time,
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# create encoded wrapper around stderr
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bzr_log_file = _open_bzr_log()
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if bzr_log_file is not None:
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bzr_log_file.write(start_time.encode('utf-8') + '\n')
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push_log_file(bzr_log_file,
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r'[%(process)5d] %(asctime)s.%(msecs)03d %(levelname)s: %(message)s',
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r'%Y-%m-%d %H:%M:%S')
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# after hooking output into bzr_log, we also need to attach a stderr
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# handler, writing only at level info and with encoding
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writer_factory = codecs.getwriter(osutils.get_terminal_encoding())
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writer_factory = codecs.getwriter(term_encoding)
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encoded_stderr = writer_factory(sys.stderr, errors='replace')
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stderr_handler = logging.StreamHandler(encoded_stderr)
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stderr_handler.setLevel(logging.INFO)
added
removed
bzrlib/trace.py
