Source code for libcloud.utils.logging

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# Taken from https://github.com/Kami/python-extra-log-formatters

from __future__ import absolute_import

import logging

__all__ = [
    'ExtraLogFormatter'
]


[docs]class ExtraLogFormatter(logging.Formatter): """ Custom log formatter which attaches all the attributes from the "extra" dictionary which start with an underscore to the end of the log message. For example: extra={'_id': 'user-1', '_path': '/foo/bar'} """
[docs] def format(self, record): custom_attributes = dict([(k, v) for k, v in record.__dict__.items() if k.startswith('_')]) custom_attributes = self._dict_to_str(custom_attributes) msg = logging.Formatter.format(self, record) msg = '%s (%s)' % (msg, custom_attributes) return msg
def _dict_to_str(self, dictionary): result = ['%s=%s' % (k[1:], str(v)) for k, v in dictionary.items()] result = ','.join(result) return result