chore: replace poetry with uv

Author: Fogapod

.github/workflows/main.yml

@@ -9,50 +9,67 @@ on:
 
 env:
     IMAGE_NAME: unitystation/central-command
+    UV_VERSION: "0.4.24"
 
 jobs:
     lint:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v4
-            - uses: actions/setup-python@v4
+            - uses: astral-sh/setup-uv@v3
               with:
-                  python-version: '3.12'
-            # because pre-commit uses external mypy
-            - name: install mypy
-              run: |
-                  pip install poetry
-                  poetry config virtualenvs.create false
-                  poetry install --only main,typecheck
+                version: "0.4.24"
+                enable-cache: true
+
+            - name: pre-commit cache key
+              run: echo "PY=$(python -VV | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV
+
+            - uses: actions/cache@v4
+              with:
+                  path: ~/.cache/pre-commit
+                  key: pre-commit|${{ env.PY }}|${{ hashFiles('.pre-commit-config.yaml') }}
+
+            - name: Install Python
+              run: uv python install
+
+            - name: install dependencies
+              run: uv sync
+
             # https://github.com/typeddjango/django-stubs/issues/458
             - name: create .env file
               run: cp example.env .env
-            - uses: pre-commit/[email protected]
+
+            - name: pre-commit
+              run: uv run pre-commit run --all-files
 
     unit_test:
         needs: [ lint ]
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v4
-            - uses: actions/setup-python@v4
+            - uses: astral-sh/setup-uv@v3
               with:
-                  python-version: '3.12'
-            - name: Install dependencies
-              run: |
-                  pip install poetry
-                  poetry config virtualenvs.create false
-                  poetry install --only main
+                version: "0.4.24"
+                enable-cache: true
+
+            - name: Set up Python
+              run: uv python install
+
+            - name: install dependencies
+              run: uv sync
+
             - name: create .env file
               run: cp example.env .env
+
             - name: Run tests
               env:
                   SECRET_KEY: secret
                   DB_ENGINE: django.db.backends.sqlite3
               run: |
                   cd src
-                  python manage.py makemigrations --check
-                  python manage.py migrate
-                  python manage.py test tests/
+                  uv run manage.py makemigrations --check
+                  uv run manage.py migrate
+                  uv run manage.py test tests/
 
     docker:
         needs: [ lint, unit_test ]

.pre-commit-config.yaml

@@ -17,7 +17,7 @@ repos:
           ^.*.md$
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.6.9
+    rev: v0.7.0
     hooks:
       - id: ruff
         args: [ --fix ]

Dockerfile

@@ -1,27 +1,19 @@
 FROM python:3.12-alpine3.20
 
-# in order:
-# proper stdout flushing for alpine
-# no .pyc files
-# do not store pip cache
-# do not check pip version
-# do not yell about root user
 ENV PYTHONUNBUFFERED=yes \
     PYTHONDONTWRITEBYTECODE=yes \
-    PIP_NO_CACHE_DIR=1 \
-    PIP_DISABLE_PIP_VERSION_CHECK=1 \
-    PIP_ROOT_USER_ACTION=ignore
+    UV_LINK_MODE=copy
 
 WORKDIR /src
 
-COPY poetry.lock pyproject.toml ./
-
-RUN : \
+RUN --mount=from=ghcr.io/astral-sh/uv:0.4.24,source=/uv,target=/bin/uv \
+    --mount=type=cache,target=/root/.cache/uv \
+    --mount=type=bind,source=uv.lock,target=uv.lock \
+    --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
     # psycopg runtime dep
-    && apk add --no-cache libpq \
-    && pip install poetry \
-    && poetry config virtualenvs.create false \
-    && poetry install --only main
+    apk add --no-cache libpq \
+    # export requirements from uv.lock since uv does not support sync withour venv
+    && uv export --frozen --format requirements-txt --no-dev --quiet | uv pip install --system -r -
 
 COPY src .
 

README.md

@@ -24,7 +24,7 @@ Copy `example.env` to `.env` and customize it. You can then start development by
 You will need python 3.12+
 
 <details>
-<summary>Extra steps if don't want to install poetry globally for some reason</summary>
+<summary>Extra steps if don't want to install uv globally for some reason</summary>
 
 #### Install venv (only first time or after updating sytem python version)
 
@@ -48,21 +48,22 @@ python -m venv .venv
 
 #### Dependency installation
 
-Install poetry to manage dependencies and update pip
+Install uv to manage dependencies
 
 ```sh
-pip install -U pip poetry
+pip install -U pip uv
 ```
 
 Install dev dependencies
 
 ```sh
-poetry install
+uv sync
 ```
 
 #### Start the server
 
 from the src folder run
+
 ```sh
 python manage.py runserver
 ```