import logging
import logging.handlers
def enable_logger_print():
def _logger_str(self):
s = ''
if self.parent != None:
s = _logger_str(self.parent)
s += """\n%s\n""" % (self.name)
for name,value in self.__dict__.items():
if name == 'parent': value = value and value.name or 'None'
if name == 'level': value = '%s (%s)' %(value,logging.getLevelName(value))
s += ' %s = %s\n' % (name,value)
return s
def _handler_repr(handlername):
def __repr__(self):
s = '\n\t%s\n' % (handlername)
for name,value in self.__dict__.items():
if name == 'level': value = '%s (%s)' %(value,logging.getLevelName(value))
s += '\t %s = %s\n' % (name,value)
s += '\t'
return s
return __repr__
def _formatter_repr(self):
s = ""
for name,value in self.__dict__.items():
s += '\n\t\t%s = %s' % (name,value)
return s
def _manager_repr(self):
s = ""
for name,value in self.__dict__.items():
if name == 'root': value = value.name
if name == 'loggerDict': value = _logger_list(); name='loggerDict keys'
s += '\n %s = %s' % (name,value)
return s
def _filter_repr(self):
return self.name
def _logger_list():
return sorted([name for name in logging.Logger.manager.loggerDict])
for name in dir():
if name.endswith('Handler'):
logging.__dict__[name].__repr__ = _handler_repr(name)
for name in dir(logging):
if name.endswith('Handler'):
logging.__dict__[name].__repr__ = _handler_repr(name)
for name in dir(logging.handlers):
if name.endswith('Handler'):
logging.handlers.__dict__[name].__repr__ = _handler_repr(name)
logging.Logger.__str__ = _logger_str
logging.Formatter.__repr__ = _formatter_repr
logging.Filter.__repr__ = _filter_repr
logging.Manager.__repr__ = _manager_repr
if __name__ == '__main__':
logging.basicConfig( level=logging.INFO)
logger = logging.getLogger('')
logger1 = logging.getLogger('a.b.c')
logger2 = logging.getLogger('x.a')
rootLogger = logging.getLogger()
rootLogger.setLevel(logging.DEBUG)
streamHandler = logging.StreamHandler()
streamHandler.name = 'Stream Server'
frmt = logging.Formatter("%(filename)s - %(name)s - %(levelname)s - %(message)s")
streamHandler.setFormatter(frmt)
fltr = logging.Filter('x')
streamHandler.addFilter(fltr)
logger.addHandler(streamHandler)
print '='*80
print '\n*** print logger2 BEFORE enable_logger_print() ***\n'
print logger2
print '='*80
enable_logger_print() # allows printing logger internals
print '\n*** print logger2 AFTER enable_logger_print() ***\n'
print logger2
print '='*80
logger.info('Help Me (root)')
logger1.info('Help Me (a.b.c)')
logger2.info('Help Me (x)')
