Read a Sketch file in Python

sketch.py

import tempfile
from zipfile import ZipFile
import hashlib
import json


zipf = ZipFile("slides.sketch")
with tempfile.TemporaryDirectory() as d:
    for file in zipf.infolist():
        if file.filename.startswith("pages/"):
            outfile = zipf.extract(file.filename, d)
            with open(outfile, "r") as fp:
                layers = json.load(fp)["layers"]
            for layer in layers:
                print(layer["name"])
                print(hashlib.md5(json.dumps(layer).encode("utf-8")).hexdigest())