main.py

import PIL
from PIL import Image
import os
import time

# ascii characters used to build the output text
ASCII_CHARS = ["@", "#", "S", "%", "?", "*", "+", ";", ":", ",", "."]

# resize image according to a new width
def resize_image(image, new_width=100):
    width, height = image.size
    ratio = height / width
    new_height = int(new_width * ratio)
    resized_image = image.resize((new_width, new_height))
    return (resized_image)

# convert each pixel to grayscale
def grayify(image):
    grayscale_image = image.convert("L")
    return (grayscale_image)

# convert pixels to a string of ascii characters
def pixels_to_ascii(image):
    pixels = image.getdata()
    characters = "".join([ASCII_CHARS[pixel // 25] for pixel in pixels])
    return (characters)

def main(new_width=100):
    #Path to folder containing pictures
    path = "PATH"
    for image_path in os.listdir(path):
        image = PIL.Image.open(path + "\\" + image_path)
        # convert image to ascii
        new_image_data = pixels_to_ascii(grayify(resize_image(image)))
        # format
        pixel_count = len(new_image_data)
        ascii_image = "\n".join([new_image_data[index:(index + new_width)] for index in range(0, pixel_count, new_width)])
        #print result
        print(ascii_image)
        ##Delay between each image
        time.sleep(1/10)

# run program
main()