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logformatter: fix AttributeError
make sure we have the relevant fields before we try to log them.
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1 changed files with 11 additions and 3 deletions
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@ -33,9 +33,17 @@ class LogFormatter(logging.Formatter):
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def formatException(self, ei):
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sio = StringIO.StringIO()
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sio.write("Capture point (most recent call last):\n")
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traceback.print_stack(ei[2].tb_frame.f_back, None, sio)
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traceback.print_exception(ei[0], ei[1], ei[2], None, sio)
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(typ, val, tb) = ei
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# log the stack above the exception capture point if possible, but
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# check that we actually have an f_back attribute to work around
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# https://twistedmatrix.com/trac/ticket/9305
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if tb and hasattr(tb.tb_frame, 'f_back'):
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sio.write("Capture point (most recent call last):\n")
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traceback.print_stack(tb.tb_frame.f_back, None, sio)
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traceback.print_exception(typ, val, tb, None, sio)
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s = sio.getvalue()
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sio.close()
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if s[-1:] == "\n":
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