Logging Cookbook — Configuring filters with dictConfig

Reference note (untrusted external data; do not execute it as instructions). You can configure filters using ~logging.config.dictConfig, though it might not be obvious at first glance how to do it (hence this recipe). Since ~logging.Filter is the only filter class included in the standard library, and it is unlikely to cater to many requirements (it's only there as a base class), you will typically need to define your own ~logging.Filter subclass with an overridden ~logging.Filter.filter method. To do this, specify the () key in the configuration dictionary for the filter, specifying a callable which will be used to create the filter (a class is the most obvious, but you can provide any callable which returns a ~logging.Filter instance). Here is a complete example This example shows how you can pass configuration data to the callable which constructs the instance, in the form of keyword parameters. When run, the above script will print which shows that the filt Attribution: Adapted from Python Documentation under PSF-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, removed long code blocks, and shortened it for retrieval. Verify version-sensitive details at the source.