The Python package audeer collects small tools and functions that deal with common tasks. For example, it incorporates functions for handling file paths, using multi-threading, or showing progress bars.
The package is lightweight, and has the small tqdm package as it's only external dependency.
Have a look at the installation and usage instructions as a starting point.
Code example,
that lists all WAV files in the data folder:
import audeer
files = audeer.list_file_names("data", filetype="wav")