CODE EXAMPLE FOR PYTHON

kivy display PIL image

from kivy.core.image import Image as CoreImage
from kivy.uix.image import Image as kiImage
from PIL import Image, ImageDraw, ImageFont
from io import BytesIO

canvas_img = Image.new('RGB', (240, 120), color=(255, 255, 255))
(do stuff to canvas_img)
data = BytesIO()
canvas_img.save(data, format='png')
data.seek(0) # yes you actually need this
im = CoreImage(BytesIO(data.read()), ext='png')
self.beeld = kiImage() # only use this line in first code instance
self.beeld.texture = im.texture