Logging - Automatically get module.class name for log() caller

inspectlog.py

import inspect
import logging

def log(level, msg, depth=1):
  """Logging function that detects name of appropriate logger for calling
     function in 'module.class' format. `depth` allows to specify a higher
     frame in a call stack if you want to wrap this function.
  """
  name = None
  try:
    parentframe = inspect.stack()[depth][0]
    name = inspect.getmodule(parentframe).__name__
    if 'self' in parentframe.f_locals:
      name = '%s.%s' % (name, parentframe.f_locals['self'].__class__.__name__)
  finally:
    del parentframe
  logger = logging.getLogger(name)
  logger.log(level, msg)

class A(object):
  def hugo(self):
    log(logging.INFO, 'hugo calling')

def another():
  log(logging.INFO, 'another call')

logging.basicConfig(level=logging.INFO, format="%(name)-15s %(message)s")
log(logging.INFO, 'root message')
a = A()
a.hugo()
another()

4c4c15 - optimized a bit
3262ca - added depth parameter that is useful for wrappers
256e5f - imported logging

Current output looks like:

__main__        root message
__main__.A      hugo calling
__main__        another call

4c4c15 - optimized a bit
3262ca - added depth parameter that is useful for wrappers
256e5f - imported logging

Current output looks like:

__main__        root message
__main__.A      hugo calling
__main__        another call

added depth parameter that is useful for wrappers

added depth parameter that is useful for wrappers

imported logging

imported logging