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Installing wxPython on Raspberry Pi

1. Install wxPython dependencies:

sudo apt install libjpeg-dev libtiff5-dev libnotify-dev libgtk2.0-dev libgtk-3-dev libsdl1.2-dev libgstreamer-plugins-base0.10-dev libwebkitgtk-dev freeglut3 freeglut3-dev

2. Set GPU memory to 80MB or 64MB:

Preferences --> Raspberry Pi Config --> Performance

3. Set swap to 1GB or 2GB:

sudo nano /etc/dphys-swapfile

and change CONF_SWAPFILE=1000 or CONF_SWAPFILE=2000 (needs a reboot, but we will do that after the next step).

4. Turn off the GUI:

Preferences -> Raspberry Pi Configuration -> At Boot, select To CLI and reboot to CLI.

5. Install wxPython:

sudo pip3 install wxPython

(wait a couple of hours and don't panic.)

6. Return to GUI

sudo raspi-config

and go to BootOptions -> B1 Desktop / CLI -> B4 Desktop Autologin -> double 'TAB' -> Finish and reboot.

7. Download wxPython Demo and docs:

Go to https://extras.wxpython.org/wxPython4/extras/, open the folder corresponding to the installed version, download both demo and docs and extract them somewhere.

Adapted from here.