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formatters.py
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Mon, Oct 14, 10:26

formatters.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2014, 2015 CERN.
#
# Invenio is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# Invenio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Invenio; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
from __future__ import absolute_import, print_function
import logging
from .wrappers import get_pretty_traceback
class InvenioExceptionFormatter(logging.Formatter):
"""
Invenio exception formatter
"""
def __init__(self, fmt=None, datefmt=None, remove_trailing_linefeed=False):
self.remove_trailing_linefeed = remove_trailing_linefeed
logging.Formatter.__init__(self, fmt=fmt, datefmt=datefmt)
def format(self, record):
""" Format log record """
# Set by invenio.ext.logging.wrappers.register_exception
if hasattr(record, 'invenio_register_exception'):
extra = record.invenio_register_exception
exc_info = record.exc_info
req = extra['req']
prefix = extra['prefix']
suffix = extra['suffix']
output = get_pretty_traceback(
req=req, exc_info=exc_info, skip_frames=2
)
if output:
if prefix:
output = prefix + '\n' + output
if suffix:
output = output + suffix
if self.remove_trailing_linefeed and output.endswith('\n'):
output = output[:-1]
return output
return logging.Formatter.format(self, record)

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