chore(anthias-viewer): migrate dependency management from pip to uv

Author: nicomiguelino

bin/start_viewer.sh

@@ -12,10 +12,12 @@ chown -f viewer /data/.screenly/latest_anthias_sha
 mkdir -p /data/.local/share/ScreenlyWebview/QtWebEngine \
     /data/hotspot \
     /data/.cache/ScreenlyWebview \
+    /data/.cache/uv \
     /data/.pki
 
 chown -Rf viewer /data/.local/share/ScreenlyWebview
 chown -Rf viewer /data/.cache/ScreenlyWebview/
+chown -Rf viewer /data/.cache/uv
 chown -Rf viewer /data/.pki
 chown -Rf viewer /data/hotspot
 
@@ -39,7 +41,7 @@ trap '' 16
 echo 0 >  /sys/fs/cgroup/memory/memory.swappiness
 
 # Start viewer
-sudo -E -u viewer dbus-run-session python -m viewer &
+sudo -E -u viewer dbus-run-session uv run python -m viewer &
 
 # Wait for the viewer
 while true; do

docker-compose.yml.tmpl

@@ -60,6 +60,7 @@ services:
       - PORT=80
       - NOREFRESH=1
       - LISTEN=anthias-nginx
+      - UV_PROJECT_ENVIRONMENT=/tmp/.venv
     extra_hosts:
       - "host.docker.internal:host-gateway"
     privileged: true

docker/Dockerfile.viewer.j2

@@ -3,7 +3,8 @@
 
 FROM {{ base_image }}:{{ base_image_tag }}
 
-# This list needs to be trimmed back later
+{% include 'Dockerfile.base.j2' %}
+
 {% if disable_cache_mounts %}
 RUN \
 {% else %}
@@ -19,25 +20,15 @@ RUN --mount=type=cache,target=/var/cache/apt \
         {% endif %}
     {% endfor %}
 
-# We need this to ensure that the wheels can be built.
-# Otherwise we get "invalid command 'bdist_wheel'"
-{% if disable_cache_mounts %}
-RUN \
-{% else %}
-RUN --mount=type=cache,target=/root/.cache/pip \
-{% endif %}
-    pip3 install --upgrade pip --break-system-packages && \
-    pip3 install wheel --break-system-packages
-
-# Install Python requirements
-COPY requirements/requirements.viewer.txt /tmp/requirements.txt
-
+COPY pyproject.toml uv.lock /tmp/
 {% if disable_cache_mounts %}
 RUN \
 {% else %}
-RUN --mount=type=cache,target=/root/.cache/pip \
+RUN --mount=type=cache,target=/root/.cache/uv \
 {% endif %}
-    pip3 install -r /tmp/requirements.txt --break-system-packages
+    cd /tmp && \
+    uv venv --system-site-packages && \
+    uv sync --frozen --no-dev --group viewer
 
 # Works around issue with `curl`
 # https://github.com/balena-io-library/base-images/issues/562

pyproject.toml

@@ -57,3 +57,29 @@ server = [
     "wheel==0.38.1",
     "yt-dlp==2025.10.22",
 ]
+viewer = [
+    "cec==0.2.8",
+    "certifi==2025.10.5",
+    "configparser==7.2.0",
+    "cryptography==3.3.2",
+    "Cython==3.2.3",
+    "Django==4.2.27",
+    "django-dbbackup==4.2.1",
+    "drf-spectacular==0.29.0",
+    "future==1.0.0",
+    "idna==3.11",
+    "Jinja2==3.1.6",
+    "jsonschema==4.25.1",
+    "netifaces==0.11.0",
+    "pydbus==0.6.0",
+    "python-dateutil==2.9.0.post0",
+    "python-vlc==3.0.20123",
+    "pytz==2025.2",
+    "pyzmq==23.2.1",
+    "redis==7.1.0",
+    "requests[security]==2.32.5",
+    "tenacity==9.1.2",
+    "sh==1.8",
+    "uptime==3.0.1",
+    "urllib3==2.6.0",
+]