_cmd.py 1.3 KB

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  1. # SPDX-FileCopyrightText: 2015 Eric Larson
  2. #
  3. # SPDX-License-Identifier: Apache-2.0
  4. import logging
  5. from pip._vendor import requests
  6. from pip._vendor.cachecontrol.adapter import CacheControlAdapter
  7. from pip._vendor.cachecontrol.cache import DictCache
  8. from pip._vendor.cachecontrol.controller import logger
  9. from argparse import ArgumentParser
  10. def setup_logging():
  11. logger.setLevel(logging.DEBUG)
  12. handler = logging.StreamHandler()
  13. logger.addHandler(handler)
  14. def get_session():
  15. adapter = CacheControlAdapter(
  16. DictCache(), cache_etags=True, serializer=None, heuristic=None
  17. )
  18. sess = requests.Session()
  19. sess.mount("http://", adapter)
  20. sess.mount("https://", adapter)
  21. sess.cache_controller = adapter.controller
  22. return sess
  23. def get_args():
  24. parser = ArgumentParser()
  25. parser.add_argument("url", help="The URL to try and cache")
  26. return parser.parse_args()
  27. def main(args=None):
  28. args = get_args()
  29. sess = get_session()
  30. # Make a request to get a response
  31. resp = sess.get(args.url)
  32. # Turn on logging
  33. setup_logging()
  34. # try setting the cache
  35. sess.cache_controller.cache_response(resp.request, resp.raw)
  36. # Now try to get it
  37. if sess.cache_controller.cached_request(resp.request):
  38. print("Cached!")
  39. else:
  40. print("Not cached :(")
  41. if __name__ == "__main__":
  42. main()