simple repository
#パッケージングしよう で言葉だけ知った
Hosting your own simple repository
https://packaging.python.org/en/latest/guides/hosting-your-own-index/
以下の形式のこと？
code:txt
.
├── bar
│ └── bar-0.1.tar.gz
└── foo
├── Foo-1.0.tar.gz
└── Foo-2.0.tar.gz
PEP 503 -- Simple Repository API
The API is named the "simple" repository due to the fact that PyPI's base URL is https://pypi.org/simple/ .（Specificationより）
"normalized" project name
The name should be lowercased with all runs of the characters ., -, or _ replaced with a single - character.