🏗️(back) migrate to uv

Signed-off-by: Laurent Paoletti <lp@providenz.fr>

.codespellrc

@@ -8,6 +8,7 @@ skip =
     **/node_modules/**,
     **/e2e/report/**,
     *.tsbuildinfo,
+    **/uv.lock,
 check-filenames = true
 ignore-words-list =
     afterAll,

.github/workflows/conversations.yml

@@ -85,20 +85,24 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v2
       - name: Install Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
-          python-version: "3.13.3"
-          cache: "pip"
-      - name: Upgrade pip and setuptools
-        run: pip install --upgrade pip setuptools
-      - name: Install development dependencies
-        run: pip install --user .[dev]
+          python-version: "3.13"
+      - name: Install system dependencies for lxml
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libxml2-dev libxslt-dev
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+      - name: Install the project
+        run: uv sync --locked --all-extras
+
       - name: Check code formatting with ruff
-        run: ~/.local/bin/ruff format . --diff
+        run: uv run ruff format . --diff
       - name: Lint code with ruff
-        run: ~/.local/bin/ruff check .
+        run: uv run ruff check .
       - name: Lint code with pylint
-        run: ~/.local/bin/pylint .
+        run: uv run pylint .
 
   test-back:
     runs-on: ubuntu-latest
@@ -181,25 +185,28 @@ jobs:
             mc version enable conversations/conversations-media-storage"
 
       - name: Install Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
-          python-version: "3.13.3"
-          cache: "pip"
-
-      - name: Install development dependencies
-        run: pip install --user .[dev]
+          python-version: "3.13"
+      - name: Install system dependencies for lxml
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libxml2-dev libxslt-dev
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+      - name: Install the dependencies
+        run: uv sync --locked --all-extras
 
       - name: Install gettext (required to compile messages) and MIME support
         run: |
-          sudo apt-get update
           sudo apt-get install -y gettext pandoc shared-mime-info
           sudo wget https://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types -O /etc/mime.types
 
       - name: Generate a MO file from strings extracted from the project
-        run: python manage.py compilemessages
+        run: uv run python manage.py compilemessages
 
       - name: Run tests
-        run: ~/.local/bin/pytest -n 2
+        run: uv run pytest -n 2
 
   security-trivy-critical:
     permissions:

CHANGELOG.md

@@ -8,6 +8,10 @@ and this project adheres to
 
 ## [Unreleased]
 
+### Changed
+
+- 🏗️(back) migrate to uv
+
 ## [0.0.12] - 2026-01-27
 
 ### Fixed
@@ -26,6 +30,7 @@ and this project adheres to
 - 📦️(front) update react
 - ✨(chat) Generate and edit conversation title
 
+
 ### Fixed
 
 - 🐛(e2e) fix test-e2e-chromium

Dockerfile

@@ -3,9 +3,6 @@
 # ---- base image to inherit from ----
 FROM python:3.13.3-alpine AS base
 
-# Upgrade pip to its latest release to speed up dependencies installation
-RUN python -m pip install --upgrade pip
-
 # Upgrade system packages to install security updates
 RUN apk update && \
   apk upgrade
@@ -13,21 +10,31 @@ RUN apk update && \
 # ---- Back-end builder image ----
 FROM base AS back-builder
 
-WORKDIR /builder
+
+ENV UV_COMPILE_BYTECODE=1
+ENV UV_LINK_MODE=copy
+ENV UV_PYTHON_DOWNLOADS=0
+
+COPY --from=ghcr.io/astral-sh/uv:0.9.26 /uv /uvx /bin/
 
 # Install Rust and Cargo using Alpine's package manager
 RUN apk add --no-cache \
   build-base \
   libffi-dev \
+  libxml2-dev \
+  libxslt-dev \
   rust \
   cargo
 
-# Copy required python dependencies
-COPY ./src/backend /builder
-
-RUN mkdir /install && \
-  pip install --prefix=/install .
+WORKDIR /app
 
+RUN --mount=type=cache,target=/root/.cache/uv \
+    --mount=type=bind,source=src/backend/uv.lock,target=uv.lock \
+    --mount=type=bind,source=src/backend/pyproject.toml,target=pyproject.toml \
+    uv sync --locked --no-install-project --no-dev
+COPY src/backend /app
+RUN --mount=type=cache,target=/root/.cache/uv \
+    uv sync --locked --no-dev
 
 # ---- mails ----
 FROM node:24 AS mail-builder
@@ -49,14 +56,16 @@ RUN apk add \
   pango \
   rdfind
 
-# Copy installed python dependencies
-COPY --from=back-builder /install /usr/local
+WORKDIR /app
+
+# Copy the application from the builder
+COPY --from=back-builder /app /app
+
+ENV PATH="/app/.venv/bin:$PATH"
 
 # Copy conversations application (see .dockerignore)
 COPY ./src/backend /app/
 
-WORKDIR /app
-
 # collectstatic
 RUN DJANGO_CONFIGURATION=Build \
     python manage.py collectstatic --noinput
@@ -79,6 +88,8 @@ RUN apk add \
   gettext \
   gdk-pixbuf \
   libffi-dev \
+  libxml2 \
+  libxslt \
   pango \
   shared-mime-info
 
@@ -92,17 +103,17 @@ COPY ./docker/files/usr/local/bin/entrypoint /usr/local/bin/entrypoint
 # docker user (see entrypoint).
 RUN chmod g=u /etc/passwd
 
-# Copy installed python dependencies
-COPY --from=back-builder /install /usr/local
 
-# Copy conversations application (see .dockerignore)
-COPY ./src/backend /app/
+# Copy the application from the builder
+COPY --from=back-builder /app /app
 
 WORKDIR /app
 
+ENV PATH="/app/.venv/bin:$PATH"
+
 # Generate compiled translation messages
 RUN DJANGO_CONFIGURATION=Build \
-    python manage.py compilemessages
+    python manage.py compilemessages --ignore=".venv/**/*"
 
 
 # We wrap commands run in this container by the following entrypoint that
@@ -119,10 +130,9 @@ USER root:root
 # Install psql
 RUN apk add postgresql-client
 
-# Uninstall conversations and re-install it in editable mode along with development
-# dependencies
-RUN pip uninstall -y conversations
-RUN pip install -e .[dev]
+ # Install development dependencies
+RUN --mount=from=ghcr.io/astral-sh/uv:0.9.26,source=/uv,target=/bin/uv \
+    uv sync --all-extras --locked
 
 # Restore the un-privileged user running the application
 ARG DOCKER_USER

Makefile

@@ -231,7 +231,7 @@ superuser: ## Create an admin superuser with password "admin"
 .PHONY: superuser
 
 back-i18n-compile: ## compile the gettext files
-	@$(MANAGE) compilemessages --ignore="venv/**/*"
+	@$(MANAGE) compilemessages --ignore=".venv/**/*"
 .PHONY: back-i18n-compile
 
 back-i18n-generate: ## create the .pot files used for i18n

compose.yml

@@ -74,6 +74,7 @@ services:
     volumes:
       - ./src/backend:/app
       - ./data/static:/data/static
+      - /app/.venv
     depends_on:
         postgresql:
             condition: service_healthy

src/backend/pyproject.toml

@@ -23,7 +23,7 @@ description = "An application to chat with your own AI."
 keywords = ["Django", "AI", "Chatbot", "OpenAI", "Pydantic AI", "Conversations"]
 license = { file = "LICENSE" }
 readme = "README.md"
-requires-python = ">=3.12"
+requires-python = "~=3.13.0"
 dependencies = [
     "deprecated",
     "beautifulsoup4==4.14.2",
@@ -107,6 +107,14 @@ zip-safe = true
 [tool.distutils.bdist_wheel]
 universal = true
 
+[tool.uv.build-backend]
+module-root = ""
+source-exclude = [
+    "**/tests/**",
+    "**/test_*.py",
+    "**/tests.py",
+]
+
 [tool.ruff]
 exclude = [
     ".git",

src/backend/setup.py

@@ -1,7 +0,0 @@
-#!/usr/bin/env python
-"""Setup file for the conversations module. All configuration stands in the setup.cfg file."""
-# coding: utf-8
-
-from setuptools import setup
-
-setup()