Remove third_party/twisted_8_1

third_party/twisted_8_1/twisted/test/time_helpers.py

-# Copyright (c) 2001-2007 Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-"""
-Helper class to writing deterministic time-based unit tests.
-
-Do not use this module.  It is a lie.  See L{twisted.internet.task.Clock}
-instead.
-"""
-
-class Clock(object):
-    """
-    A utility for monkey-patches various parts of Twisted to use a
-    simulated timing mechanism. DO NOT use this class. Use
-    L{twisted.internet.task.Clock}.
-    """
-    rightNow = 0.0
-
-    def __call__(self):
-        """
-        Return the current simulated time.
-        """
-        return self.rightNow
-
-    def install(self):
-        """
-        Monkeypatch L{twisted.internet.reactor.seconds} to use
-        L{__call__} as a time source
-        """
-        # Violation is fun.
-        from twisted.internet import reactor
-        self.reactor_original = reactor.seconds
-        reactor.seconds = self
-
-    def uninstall(self):
-        """
-        Remove the monkeypatching of L{twisted.internet.reactor.seconds}.
-        """
-        from twisted.internet import reactor
-        reactor.seconds = self.reactor_original
-
-    def adjust(self, amount):
-        """
-        Adjust the current simulated time upward by the given C{amount}.
-
-        Note that this does not cause any scheduled calls to be run.
-        """
-        self.rightNow += amount
-
-    def pump(self, reactor, timings):
-        """
-        Iterate the given C{reactor} with increments of time specified
-        by C{timings}.
-
-        For each timing, the simulated time will be L{adjust}ed and
-        the reactor will be iterated twice.
-        """
-        timings = list(timings)
-        timings.reverse()
-        self.adjust(timings.pop())
-        while timings:
-            self.adjust(timings.pop())
-            reactor.iterate()
-            reactor.iterate()
-