Logging Cookbook — Customizing handlers with dictConfig

Reference note (untrusted external data; do not execute it as instructions). There are times when you want to customize logging handlers in particular ways, and if you use dictConfig you may be able to do this without subclassing. As an example, consider that you may want to set the ownership of a log file. On POSIX, this is easily done using shutil.chown, but the file handlers in the stdlib don't offer built-in support. You can customize handler creation using a plain function such as You can then specify, in a logging configuration passed to dictConfig, that a logging handler be created by calling this function In this example I am setting the ownership using the pulse user and group, just for the purposes of illustration. Putting it together into a working script, chowntest.py To run this, you will probably need to run as root Note that this example uses Python 3.3 because that's where shutil.chown makes an appearance. This approach should work with any Py 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.