test.py

from PIL import Image
import json
import requests

h = 1000
w = 1000

# PIL accesses images in Cartesian co-ordinates, so it is Image[columns, rows]
img = Image.new( 'RGB', (h,w), "black") # create a new black image
pixels = img.load() # create the pixel map

black = 0
white = 0
total = h*w

with requests.Session() as s:
    for i in range(img.size[0]):    # for every col:
        for j in range(img.size[1]):    # For every row
            response = s.get('http://localhost:6436/roll/d2')
            obj = json.loads(response.text)
            val = obj['dice']['group'][0]['result']['value']
            if val == 1:
                black+=1
                pixels[i,j] = (0, 0, 0) # set the colour accordingly
            elif val == 2:
                white+=1
                pixels[i,j] = (255,255,255)
            else:
                print("BAD ERROR")

print("black: {}".format(black/total))
print("white: {}".format(white/total))

# img.show()