Migrate from PDM to UV

.dockerignore

@@ -12,8 +12,7 @@ __pycache__
 *.so
 .venv
 venv
-.pdm-python
-.pdm-build
+.python-version
 
 # Tests and dev
 tests

.gitignore

@@ -111,15 +111,8 @@ ipython_config.py
 #   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
 #poetry.lock
 
-# pdm
-#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
-#pdm.lock
-#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
-#   in version control.
-#   https://pdm-project.org/#use-with-ide
-.pdm.toml
-.pdm-python
-.pdm-build/
+# uv
+#   uv.lock should be committed to version control for reproducible builds.
 
 # PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
 __pypackages__/

Containerfile

@@ -2,24 +2,24 @@ FROM registry.access.redhat.com/ubi9/python-312:latest AS builder
 
 WORKDIR /app
 
-# Install PDM in the builder only; not needed in the final image.
-RUN pip install --no-cache-dir pdm
+# Install uv in the builder only; not needed in the final image.
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv
 
 # Copy dependency manifests and README first (build backend needs README.md).
 # Dependency layer is reused when only application code changes.
-COPY pyproject.toml pdm.lock README.md ./
-RUN pdm install --prod --no-editable --frozen-lockfile
+COPY pyproject.toml uv.lock README.md ./
+RUN uv sync --frozen --no-dev --no-editable --no-install-project
 
 # Copy application code and install the package into the venv.
 COPY src/ src/
-RUN pdm install --prod --no-editable --frozen-lockfile
+RUN uv sync --frozen --no-dev --no-editable
 
 RUN curl -o oc.tar.gz https://mirror.openshift.com/pub/openshift-v4/clients/ocp/stable-4.18/openshift-client-linux.tar.gz && \
     tar xvf oc.tar.gz oc && \
     chmod +x oc && \
     rm oc.tar.gz
 
-# Final stage: smaller image without PDM or build tools.
+# Final stage: smaller image without uv or build tools.
 FROM registry.access.redhat.com/ubi9/python-312:latest
 
 LABEL com.redhat.component="rhos-ls-mcps" \

README.md

@@ -127,7 +127,13 @@ We assume the configuration file has already been created, for example `config.y
 ## From source code
 
 ```bash
-pdm run rhos-ls-mcps
+uv run rhos-ls-mcps
+```
+
+To run with environment variables (e.g. debug mode):
+
+```bash
+DEBUG=1 uv run rhos-ls-mcps
 ```
 
 ## Container Image

pyproject.toml

@@ -19,18 +19,8 @@ readme = "README.md"
 license = {text = "Apache-2.0"}
 
 [build-system]
-requires = ["pdm-backend"]
-build-backend = "pdm.backend"
-
-[tool.pdm]
-distribution = true
+requires = ["uv_build>=0.11.16,<0.12"]
+build-backend = "uv_build"
 
 [project.scripts]
 rhos-ls-mcps = "rhos_ls_mcps.main:main"
-
-#[project.scriptspdm.scripts.rhos-ls-mcps]
-#env = { DEBUG = "1" }
-#cmd = "python -m rhos_ls_mcps.main"
-#cmd = ["python", "-m", "rhos_ls_mcps.main"]
-# env = { TYPE = "dev", PORT = "5000" }
-# rhos-ls-mcps = { call = "rhos_ls_mcps.main" }