Pyproject-examples was developed with the aim of being used by developers who want to manually test their pyproject.toml configurations. The module serves as a test suite for pyproject.toml analysis tools.

Key Features: - Examples of valid and invalid settings: Provides a series of example files that adhere to the PEP 621 and PEP 517 specifications. Containing example files that demonstrate common configuration errors. - API to access examples: It has functions to retrieve example configurations as strings. - Utilities Module: It has helper functions for creating regular expressions and testing for file not found errors.