crappy miitomo asset scraper (v2)

miitomo-asset.py

# crappy miitomo asset downloader
# usage: python3 miitomo-asset.py < url for manifest.json >

from pathlib import Path
from io import BytesIO
from sys import argv
import zipfile
import urllib.request
import json

MANIFEST_URL = argv[1]

# fetch manifest
with urllib.request.urlopen(MANIFEST_URL) as manifest:
  # load manifest as json
  manifestData = json.loads(manifest.read().decode())
  packageUrl = manifestData["packageUrl"]
  assetList = manifestData["assets"]

  for index, key in enumerate(assetList):
    asset = assetList[key]
    assetFilepath = asset["path"]
    assetDirectory = Path(assetFilepath).parents[0]

    # download asset
    print("({0:04d}/{1:04d}) Downloading".format(index + 1, len(assetList)), assetFilepath)
    if "compressed" in asset and asset["compressed"]:
      # download asset and extract as zip
      resp = urllib.request.urlopen(packageUrl + "/" + assetFilepath)
      z = zipfile.ZipFile(BytesIO(resp.read()))
      z.extractall(str(assetDirectory))
      z.close()
    else:
      # download asset directly
      assetDirectory.mkdir(parents=True, exist_ok=True)
      urllib.request.urlretrieve(packageUrl + "/" + assetFilepath, assetFilepath)

  print("Done!")