Use more system deb packages for Python dependencies

Leveraging the Debian packaging allows us to preload more packages in the release image, while speeding up the initial pip install process when creating the venv

We also cut down on python package version upgrades maintenance overhead

Now the Web UI and OLED startup scripts are flagged to use system libraries when creating venvs

python/oled/requirements.txt

@@ -1,3 +1,4 @@
+# commented out packages are system python libraries
 Adafruit-Blinka==8.68.0
 adafruit-circuitpython-busdevice==5.2.14
 adafruit-circuitpython-connectionmanager==3.1.6
@@ -8,12 +9,12 @@ adafruit-circuitpython-typing==1.12.3
 adafruit-platformdetect==3.85.0
 Adafruit-PureIO==1.1.11
 pillow==11.3.0
-protobuf==3.20.3
+# protobuf==3.20.3
 pyftdi==0.55.0
 pyserial==3.5
 pyusb==1.3.1
 rpi-ws281x==5.0.0
-RPi.GPIO==0.7.1
-sysv-ipc==1.1.0
-typing-extensions==4.15.0
-Unidecode==1.3.6
+# RPi.GPIO==0.7.1
+# sysv-ipc==1.1.0
+# typing-extensions==4.15.0
+# Unidecode==1.3.6

python/oled/start.sh

@@ -82,7 +82,7 @@ fi
 # Create the venv if it doesn't exist
 if ! test -e venv; then
     echo "Creating python venv for OLED Screen"
-    python3 -m venv venv
+    python3 -m venv venv --system-site-packages
     echo "Activating venv"
     source venv/bin/activate
     echo "Installing requirements.txt"