How to define source with PEP 508 style dependencies

[black-snow]

With the [tool.poetry.dependencies] definition I would just say xyz = { version = "0.0.1rc9", source = "myrepo" } - I can't find anywhere how to tell the source with PEP 508-style dependencies (dependencies and [dependency-groups]).

The only thing I can spot in the grammar is URL-based lookup.

[black-snow]

Looks like an extra entry is required:

dependencies = ["xyz (>=0.0.1rc9,<0.0.2)"]

[tool.poetry.dependencies]
xyz = {source = "myrepo"}