A bot that draws images in MS Paint using the power of edge detection and dank memes

mspaint_bot.py

import numpy as np
import cv2
import matplotlib.pyplot as plt
import pyautogui
import time
import sys

im = cv2.imread(sys.argv[1])
imgray = cv2.cvtColor(im,cv2.COLOR_BGR2GRAY)
ret,thresh = cv2.threshold(imgray,127,255,0)
contours, hierarchy = cv2.findContours(thresh,cv2.RETR_TREE,cv2.CHAIN_APPROX_SIMPLE)
print("Got contour")

cnth = [[x for x in list(np.vstack(cnt).squeeze())] for cnt in list(contours)]
print("Got point list")

for x in range(len(cnth)):
	if type(cnth[x][0]) != type(np.array([])):
		cnth[x] = [np.array(cnth[x])]

cntx = [[a[0] for a in b] for b in cnth] 
cnty = [[a[1] for a in b] for b in cnth] 

print("Got each coordinate")

"""
y: 139 - 996
x: 0 - 1902
max res: 1902 x 857
"""

h,w = im.shape[:2]

if w > 1902 or h > 857:
	raise Exception("Image is too large to draw. Please resize the image.")

img = cv2.drawContours(np.ones((h,w,3), np.uint8)*255, contours, -1, (0,0,0), 1)

cv2.imshow('Preview',img)
cv2.waitKey(0)
raw_input("Press enter to draw all "+str(len(cntx))+" layers")

for i in range(len(cntx)):
	print("Plotting layer "+str(i)+"...")
	x,y = cntx[i][0], cnty[i][0]
	pyautogui.moveTo(x, y+139)
	
	for x,y in zip(cntx[i],cnty[i]):
		pyautogui.dragTo(x, y+139)