First of all, thanks to all contributors, great job 🚀.

I basically propose migrating to PEP 621 and using a single file (pyproject.toml) to configure package metadata and tools (tox, coverage, etc).

Here are all the files that could be replaced by pyproject.toml:

• .coveragerc: ref(coverage-config): migrate coverage config from .coveragerc to pyproject.toml #699
• tox.ini: ref(tox-config): migrate tox config from tox.ini to pyproject.toml #700
• MANIFEST.in: ref(project-metadata): migrate to PEP 621 #701
• requirements.txt: ref(project-metadata): migrate to PEP 621 #701
• setup.cfg: ref(project-metadata): migrate to PEP 621 #701
• setup.py: ref(project-metadata): migrate to PEP 621 #701

Resources:

• PEP 621 - Storing project metadata in pyproject.toml
• Python Packaging User Guide
• Also check out the setuptools documentation