例子一

def filter(self, record): """Our custom record filtering logic. Built-in filtering logic (via logging.Filter) is too limiting. """ if not self.filters: return True matched = False rname = record.name # shortcut for name in self.filters: if rname == name or rname.startswith(name+'.'): matched = True return matched

例子二

def _create_log_handlers(stream): """Create and return a default list of logging.Handler instances. Format WARNING messages and above to display the logging level, and messages strictly below WARNING not to display it. Args: stream: See the configure_logging() docstring. """ # Handles logging.WARNING and above. error_handler = logging.StreamHandler(stream) error_handler.setLevel(logging.WARNING) formatter = logging.Formatter("%(levelname)s: %(message)s") error_handler.setFormatter(formatter) # Create a logging.Filter instance that only accepts messages # below WARNING (i.e. filters out anything WARNING or above). non_error_filter = logging.Filter() # The filter method accepts a logging.LogRecord instance. non_error_filter.filter = lambda record: record.levelno < logging.WARNING non_error_handler = logging.StreamHandler(stream) non_error_handler.addFilter(non_error_filter) formatter = logging.Formatter("%(message)s") non_error_handler.setFormatter(formatter) return [error_handler, non_error_handler]

例子三

def _default_handlers(stream): """Return a list of the default logging handlers to use. Args: stream: See the configure_logging() docstring. """ # Create the filter. def should_log(record): """Return whether a logging.LogRecord should be logged.""" # FIXME: Enable the logging of autoinstall messages once # autoinstall is adjusted. Currently, autoinstall logs # INFO messages when importing already-downloaded packages, # which is too verbose. if record.name.startswith("webkitpy.thirdparty.autoinstall"): return False return True logging_filter = logging.Filter() logging_filter.filter = should_log # Create the handler. handler = logging.StreamHandler(stream) formatter = logging.Formatter("%(name)s: [%(levelname)s] %(message)s") handler.setFormatter(formatter) handler.addFilter(logging_filter) return [handler]

以上这篇python logging添加filter教程就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持。