Monkey-patching logging

monkeypatch.py

import logging
def getMessage(self):
    """
    Return the message for this LogRecord.

    Return the message for this LogRecord after merging any user-supplied
    arguments with the message.
    """
    if not logging._unicode: #if no unicode support...
        msg = str(self.msg)
    else:
        msg = self.msg
        if not isinstance(msg, basestring):
            try:
                msg = str(self.msg)
            except UnicodeError:
                msg = self.msg      #Defer encoding till later
    if self.args:
        msg = msg.format(*self.args)
    return msg
logging.LogRecord.getMessage = getMessage


logging.error("hello {}", "world")