parameters: (self, config)
return_statement: return result
docstring: Configure a handler from a dictionary.
docstring_summary: Configure a handler from a dictionary.
docstring_tokens: Configure a handler from a dictionary .
function: def configure_handler(self, config):
          """Configure a handler from a dictionary."""
          config_copy = dict(config)  # for restoring in case of error
          formatter = config.pop('formatter', None)
          if formatter:
              try:
                  formatter = self.config['formatters'][formatter]
              except Exception as e:
                  raise ValueError('Unable to set formatter '
                                   '%r' % formatter) from e
          level = config.pop('level', None)
          filters = config.pop('filters', None)
          if '()' in config:
              c = config.pop('()')
              if not callable(c):
                  c = self.resolve(c)
              factory = c
          else:
              cname = config.pop('class')
              klass = self.resolve(cname)
              #Special case for handler which refers to another handler
              if issubclass(klass, logging.handlers.MemoryHandler) and\
                  'target' in config:
                  try:
                      th = self.config['handlers'][config['target']]
                      if not isinstance(th, logging.Handler):
                          config.update(config_copy)  # restore for deferred cfg
                          raise TypeError('target not configured yet')
                      config['target'] = th
                  except Exception as e:
                      raise ValueError('Unable to set target handler '
                                       '%r' % config['target']) from e
              elif issubclass(klass, logging.handlers.SMTPHandler) and\
                  'mailhost' in config:
                  config['mailhost'] = self.as_tuple(config['mailhost'])
              elif issubclass(klass, logging.handlers.SysLogHandler) and\
                  'address' in config:
                  config['address'] = self.as_tuple(config['address'])
              factory = klass
          props = config.pop('.', None)
          kwargs = {k: config[k] for k in config if valid_ident(k)}
          try:
              result = factory(**kwargs)
          except TypeError as te:
              if "'stream'" not in str(te):
                  raise
              #The argument name changed from strm to stream
              #Retry with old name.
              #This is so that code can be used with older Python versions
              #(e.g. by Django)
              kwargs['strm'] = kwargs.pop('stream')
              result = factory(**kwargs)
          if formatter:
              result.setFormatter(formatter)
          if level is not None:
              result.setLevel(logging._checkLevel(level))
          if filters:
              self.add_filters(result, filters)
          if props:
              for name, value in props.items():
                  setattr(result, name, value)
          return result
function_tokens: def configure_handler ( self , config ) : config_copy = dict ( config ) # for restoring in case of error formatter = config . pop ( 'formatter' , None ) if formatter : try : formatter = self . config [ 'formatters' ] [ formatter ] except Exception as e : raise ValueError ( 'Unable to set formatter ' '%r' % formatter ) from e level = config . pop ( 'level' , None ) filters = config . pop ( 'filters' , None ) if '()' in config : c = config . pop ( '()' ) if not callable ( c ) : c = self . resolve ( c ) factory = c else : cname = config . pop ( 'class' ) klass = self . resolve ( cname ) #Special case for handler which refers to another handler if issubclass ( klass , logging . handlers . MemoryHandler ) and 'target' in config : try : th = self . config [ 'handlers' ] [ config [ 'target' ] ] if not isinstance ( th , logging . Handler ) : config . update ( config_copy ) # restore for deferred cfg raise TypeError ( 'target not configured yet' ) config [ 'target' ] = th except Exception as e : raise ValueError ( 'Unable to set target handler ' '%r' % config [ 'target' ] ) from e elif issubclass ( klass , logging . handlers . SMTPHandler ) and 'mailhost' in config : config [ 'mailhost' ] = self . as_tuple ( config [ 'mailhost' ] ) elif issubclass ( klass , logging . handlers . SysLogHandler ) and 'address' in config : config [ 'address' ] = self . as_tuple ( config [ 'address' ] ) factory = klass props = config . pop ( '.' , None ) kwargs = { k : config [ k ] for k in config if valid_ident ( k ) } try : result = factory ( * * kwargs ) except TypeError as te : if "'stream'" not in str ( te ) : raise #The argument name changed from strm to stream #Retry with old name. #This is so that code can be used with older Python versions #(e.g. by Django) kwargs [ 'strm' ] = kwargs . pop ( 'stream' ) result = factory ( * * kwargs ) if formatter : result . setFormatter ( formatter ) if level is not None : result . setLevel ( logging . _checkLevel ( level ) ) if filters : self . add_filters ( result , filters ) if props : for name , value in props . items ( ) : setattr ( result , name , value ) return result