In my python monorepo, I have a library at

libs/geometry

with code in

libs/geometry/kaiko/geometry

and

libs/geometry/pyproject.toml

looks like this:

[build-system]
requires = ["poetry-core>=1.0.0"]
build-backend = "poetry.core.masonry.api"

[tool.poetry]
name = "kaiko-geometry"
version = "0.0.1"
description = "Kaiko's shared library to help manipulating shape and geometric primitives."
authors = [
    "Axel Lagre <axel@kaiko.ai>"
]
packages = [
  { include = "kaiko" }
]

When I package the library with

./pants package libs/geometry

, I get a wheel whose python code is in directory

libs/geometry/kaiko/geometry

in the wheel. Whereas the code should be in

kaiko/geometry

(because that's the package name). If I

poetry build

instead of

pants

I get the expected behavior. Any clue as to what I am missing in

libs/geometry/BUILD

? Here is its content:

python_requirements(name="kaiko-geometry-reqs") # Used for local sandboxes, dependencies are pinned

poetry_requirements(name="kaiko-geometry-poetry-reqs") # Used for deployment, dependencies are loose

python_sources(
  name="kaiko-geometry",
  sources=["kaiko/geometry/**/*.py"],
  dependencies=[
      ":kaiko-geometry-reqs#numpy",
    ]
)

python_distribution( # <https://www.pantsbuild.org/docs/python-distributions>
  name="kaiko-geometry-dist",
  dependencies=[":kaiko-geometry-poetry-reqs", ":kaiko-geometry"],
  provides=python_artifact(
    name="kaiko-geometry-dist",
    version="0.0.1"
  ),
  sdist = False # only use wheel
)

How have you defined your source roots?

I have this in the top-level `pants.toml`:

[source]
root_patterns = ["/"]

yeah! And what does your import statement looks like? If you are doing

from  kaiko.gemotry import ..

Then your root pattern should have

root_patterns = ["/", "/lib/geometry]

Yep that's how the imports look like. Thanks for the help!