Remove third_party/twisted_8_1

third_party/twisted_8_1/twisted/python/timeoutqueue.py

-# -*- test-case-name: twisted.test.test_timeoutqueue -*-
-# Copyright (c) 2001-2007 Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-"""
-A Queue subclass that supports timeouts.
-"""
-
-# System Imports
-import Queue, time, warnings
-
-
-_time = time.time
-_sleep = time.sleep
-
-
-class TimedOut(Exception):
-    pass
-
-
-class TimeoutQueue(Queue.Queue):
-    """
-    A thread-safe queue that supports timeouts.
-    """
-
-    def __init__(self, max=0):
-        warnings.warn("timeoutqueue is deprecated since Twisted 8.0",
-                      category=DeprecationWarning, stacklevel=2)
-        Queue.Queue.__init__(self, max)
-
-    def wait(self, timeout):
-        """
-        Wait until the queue isn't empty. Raises TimedOut if still empty.
-        """
-        endtime = _time() + timeout
-        delay = 0.0005 # 500 us -> initial delay of 1 ms
-        while 1:
-            gotit = not self.empty()
-            if gotit:
-                break
-            remaining = endtime - _time()
-            if remaining <= 0:
-                raise TimedOut, "timed out."
-            delay = min(delay * 2, remaining, .05)
-            _sleep(delay)
-
-
-__all__ = ["TimeoutQueue", "TimedOut"]
-