Inky Impression test script (via pimoroni/inky and unsplash.com)

inky-unsplash.py

#!/usr/bin/env python3

import sys
from PIL import Image
from inky.inky_uc8159 import Inky, CLEAN
import urllib
import requests
from io import BytesIO
import time
import signal
import RPi.GPIO as GPIO

BUTTONS = [ 5, 6, 16, 24 ]

GPIO.setmode( GPIO.BCM )
GPIO.setup( BUTTONS, GPIO.IN, pull_up_down=GPIO.PUD_UP )

inky = Inky()
saturation = 0.3

def get_unsplash( geturl ):
    response = requests.get( geturl )
    image = Image.open( BytesIO( response.content ) )
    inky.set_image(image, saturation=saturation)
    inky.show()

def handle_button( pin ):
    if pin == 5:
        imgurl='https://source.unsplash.com/random/600x448?abstract'
    elif pin == 6:
        imgurl='https://source.unsplash.com/random/600x448?architecture'
    elif pin == 16:
        imgurl='https://source.unsplash.com/random/600x448?music'
    elif pin == 24:
        imgurl='https://source.unsplash.com/random/600x448?painting'
    else:
        imgurl='https://source.unsplash.com/random/600x448'

    get_unsplash( imgurl )

    
for pin in BUTTONS:
    GPIO.add_event_detect( pin, GPIO.FALLING, handle_button, bouncetime = 250 )

handle_button(0)
signal.pause()