python - logging to DbgView with OutputDebugString

output.debug.string.py

#! /usr/bin/python

import logging
import ctypes

# output "logging" messages to DbgView via OutputDebugString (Windows only!)
OutputDebugString = ctypes.windll.kernel32.OutputDebugStringW

class DbgViewHandler(logging.Handler):
 def emit(self, record):
  OutputDebugString(self.format(record))

log = logging.getLogger("output.debug.string.example")

def config_logging():
 
 # format
 fmt = logging.Formatter(fmt='%(asctime)s.%(msecs)03d [%(thread)5s] %(levelname)-8s %(funcName)-20s %(lineno)d %(message)s', datefmt='%Y:%m:%d %H:%M:%S')
 
 log.setLevel(logging.DEBUG)

 # "OutputDebugString\DebugView"
 ods = DbgViewHandler()
 ods.setLevel(logging.DEBUG)
 ods.setFormatter(fmt)
 log.addHandler(ods)
  
 # "Console"
 con = logging.StreamHandler()
 con.setLevel(logging.DEBUG)
 con.setFormatter(fmt)
 log.addHandler(con)

def main():

 log.debug("debug message")
 log.info("info message")
 log.warn("warn message")
 log.error("error message")
 log.critical("critical message")

if __name__ == '__main__':
  
  config_logging()
  
  main()