Linux SRV-16 6.18.44-paas #1 SMP PREEMPT_DYNAMIC Thu Aug 13 10:08:12 UTC 2026 x86_64

/proc/self/root/opt/python-3.8/usr/lib/python3.8/site-packages/pip/_vendor/urllib3/util/

//proc/self/root/opt/python-3.8/usr/lib/python3.8/site-packages/pip/_vendor/urllib3/util/queue.py

 import collections

from ..packages import six
from ..packages.six.moves import queue

if six.PY2:
    # Queue is imported for side effects on MS Windows. See issue #229.
    import Queue as _unused_module_Queue  # noqa: F401


class LifoQueue(queue.Queue):
    def _init(self, _):
        self.queue = collections.deque()

    def _qsize(self, len=len):
        return len(self.queue)

    def _put(self, item):
        self.queue.append(item)

    def _get(self):
        return self.queue.pop()