package-data
Domain: Pure Python Packages
🎯 Motivation
A declarative way to specify which non-Python files to include per package. Listed in [tool.setuptools.package-data].
📋 Concrete Example
Write package-data = {mypkg = ["*.json", "templates/*.html"]} to bundle specific file types.
🔗 Analogy
package-data is a packing checklist — you tick exactly which items go into each box.