git.scottworley.com Git - paperdoorknob/blob - paperdoorknob.py

   1 # paperdoorknob: Print glowfic
   2 #
   3 # This program is free software: you can redistribute it and/or modify it
   4 # under the terms of the GNU General Public License as published by the
   5 # Free Software Foundation, version 3.
   6
   7
   8 from argparse import ArgumentParser
   9 import os.path
  10 import requests
  11 import requests_cache
  12 from xdg_base_dirs import xdg_cache_home
  13
  14
  15 def command_line_parser() -> ArgumentParser:
  16     parser = ArgumentParser(prog='paperdoorknob', description='Print glowfic')
  17     parser.add_argument(
  18         '--cache_path',
  19         metavar='PATH',
  20         help='Where to keep the http cache (instead of %(default)s)',
  21         default=os.path.join(xdg_cache_home(), "paperdoorknob"))
  22     parser.add_argument(
  23         '--timeout',
  24         help='How long to wait for HTTP requests, in seconds',
  25         default=30)
  26     parser.add_argument('url', help='URL to retrieve')
  27     return parser
  28
  29
  30 def fetch(url: str, session: requests.Session, timeout: int) -> None:
  31     with session.get(url, timeout=timeout) as r:
  32         r.raise_for_status()
  33
  34
  35 def main() -> None:
  36     args = command_line_parser().parse_args()
  37     with requests_cache.CachedSession(args.cache_path) as session:
  38         fetch(args.url, session, args.timeout)
  39
  40
  41 if __name__ == '__main__':
  42     main()