Add python source distribution (#112)

.github/workflows/python.yml

@@ -75,7 +75,7 @@ jobs:
             export PATH="$PYENV_ROOT/bin:$PATH"
             eval "$(pyenv init --path)"
           fi
-          maturin build --release --strip -i "$(which python)"
+          maturin build --release --sdist --strip -i "$(which python)"
           if [[ "$GITHUB_REF" == refs/tags/v* ]]; then
             # For idempotency, ignore any existing built wheels that have already been successfully uploaded.
             twine upload --skip-existing target/wheels/*

python/main/pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["maturin>=0.13"]
+build-backend = "maturin"

python/onepass/pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["maturin>=0.13"]
+build-backend = "maturin"