[build-system] requires = ["flit_core >=2,<4"] build-backend = "flit_core.buildapi" [tool.flit.metadata] module = "foo" author = "Stefano Rivera" requires = [ "tomli", "importlib-metadata ; python_version < '3.5'" ] [tool.flit.metadata.requires-extra] test = [ "tox", ] [tool.flit.scripts] foo = "foo:main" [tool.flit.external-data] directory = "data"