playing past twitch broadcasts in mpv

mpt.py

#license=WTFPLv2
#playing past twitch broadcasts in mpv
import sys, os, re
import requests
import json
urlfmt = 'https://api.twitch.tv/api/videos/a{}'
if __name__ == '__main__':
  if len(sys.argv) < 2:
    print('not enough arguments! pass broadcast url.')
    sys.exit(1)
  url = sys.argv[1]
  qual = sys.argv[2] if len(sys.argv) > 2 else 'live'
  mat = re.match(r'.*?(\d+)$', url)
  vid = None
  if mat:
    vid = mat.groups()[0]
  else:
    print('cannot parse broadcast url!')
    sys.exit(1)
 
  resp = requests.get(urlfmt.format(vid))
  data = json.loads(resp.text)
  chunks = [c['url'] for c in data['chunks'][qual]]
  os.spawnv(os.P_WAIT, 'mpv', chunks + ['--cache=500000'])