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##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Log formatter that enhances tracebacks with extra information.
"""
import io
import logging
from zope.exceptions.exceptionformatter import print_exception
Buffer = io.StringIO if bytes is not str else io.BytesIO # PY2
class Formatter(logging.Formatter):
def formatException(self, ei):
"""Format and return the specified exception information as a string.
Uses zope.exceptions.exceptionformatter to generate the traceback.
"""
sio = Buffer()
print_exception(ei[0], ei[1], ei[2], file=sio, with_filenames=True)
s = sio.getvalue()
if s.endswith("\n"):
s = s[:-1]
return s
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