Off-line installation with PDM

[louis-xuy]

Is your feature request related to a problem? Please describe.

Describe the solution you'd like

[frostming]

Use find_links as the sole source, refer to the docs:

pyproject.toml:

[[tool.pdm.source]]
url = "file:///path/to/local/packages/folder"
name = "pypi"
type = "find_links"