venv/lib/python3.11/site-packages/pip/_vendor/urllib3/util/queue.py

   1 import collections
   2
   3 from ..packages import six
   4 from ..packages.six.moves import queue
   5
   6 if six.PY2:
   7     # Queue is imported for side effects on MS Windows. See issue #229.
   8     import Queue as _unused_module_Queue  # noqa: F401
   9
  10
  11 class LifoQueue(queue.Queue):
  12     def _init(self, _):
  13         self.queue = collections.deque()
  14
  15     def _qsize(self, len=len):
  16         return len(self.queue)
  17
  18     def _put(self, item):
  19         self.queue.append(item)
  20
  21     def _get(self):
  22         return self.queue.pop()