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- more refactoring and tests of commandline

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            short=False):
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        from bzrlib.log import log_formatter, show_log
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        import codecs
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        assert isinstance(message, basestring), \
 
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        assert message is None or isinstance(message, basestring), \
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            "invalid message argument %r" % message
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        direction = (forward and 'forward') or 'reverse'
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