Migrate from PDM to UV (#4185)

Author: marcoacierno

.github/workflows/backend-checks.yml

@@ -19,21 +19,19 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11.6"
-      - run: pip install pdm==2.10.4
-
-      - name: Cache PDM
-        uses: actions/cache@v4
-        id: cache-deps
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+        id: setup-uv
         with:
-          path: backend/.venv
-          key: pdm-${{ hashFiles('**/pdm.lock') }}-2
+          version: "0.5.5"
+          enable-cache: true
 
       - name: Install python dependencies
-        if: steps.cache-deps.outputs.cache-hit != 'true'
-        run: pdm install
+        if: steps.setup-uv.outputs.cache-hit != 'true'
+        run: uv sync
 
       - name: Check missing not pushed migrations
-        run: pdm run python manage.py makemigrations --check
+        run: uv run python manage.py makemigrations --check
         env:
           DJANGO_SETTINGS_MODULE: pycon.settings.test
           STRIPE_SECRET_API_KEY: ""

.github/workflows/backend-test.yml

@@ -39,24 +39,23 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11.6"
-      - run: pip install pdm==2.10.4 codecov
-
-      - name: Cache PDM
-        uses: actions/cache@v4
-        id: cache-deps
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+        id: setup-uv
         with:
-          path: backend/.venv
-          key: pdm-${{ hashFiles('**/pdm.lock') }}-1
+          version: "0.5.5"
+          enable-cache: true
+      - run: pip install codecov
 
       - name: Install python dependencies
-        if: steps.cache-deps.outputs.cache-hit != 'true'
-        run: pdm install
+        if: steps.setup-uv.outputs.cache-hit != 'true'
+        run: uv sync
 
       - name: pytest
         run: |
           set +e
           CPUS=$(nproc --all)
-          OUTPUT=$(pdm run pytest --cov-report xml --cov=. --cov-fail-under 80 --durations 10 -n $CPUS)
+          OUTPUT=$(uv run pytest --cov-report xml --cov=. --cov-fail-under 80 --durations 10 -n $CPUS)
           STATUS=$?
           echo "$OUTPUT"
           cd ..

Dockerfile.python.local

@@ -9,9 +9,7 @@ ARG FUNCTION_DIR
 RUN mkdir -p ${FUNCTION_DIR}
 WORKDIR ${FUNCTION_DIR}
 
-RUN pip install pdm==2.12.4
-
-COPY pyproject.toml pdm.lock ${FUNCTION_DIR}
+RUN pip install uv==0.5.5
 
 RUN mkdir -p ${FUNCTION_DIR}/assets
 

backend/Dockerfile

@@ -17,7 +17,7 @@ RUN apt-get update -y && apt-get install -y \
 
 ENV LIBRARY_PATH=/lib:/usr/lib
 
-RUN pip install pdm==2.10.4
+RUN pip install uv==0.5.5
 
 ARG TARGETPLATFORM
 
@@ -78,9 +78,9 @@ RUN if [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
     fi
 
 
-COPY pyproject.toml pdm.lock ${FUNCTION_DIR}
+COPY pyproject.toml uv.lock ${FUNCTION_DIR}
 
-RUN pdm install --prod --group lambda
+RUN uv sync --no-dev
 
 # Create GraphQL schema