r46822 - since random numbers are so fraught, extra-hide it

Author: glyph
Date: Thu Feb 18 02:35:03 2016
New Revision: 46822

Modified:
   branches/persistent-client-service-4735-5/twisted/application/internet.py

Log:
since random numbers are so fraught, extra-hide it

Modified: branches/persistent-client-service-4735-5/twisted/application/internet.py
==============================================================================
--- branches/persistent-client-service-4735-5/twisted/application/internet.py	(original)
+++ branches/persistent-client-service-4735-5/twisted/application/internet.py	Thu Feb 18 02:35:03 2016
@@ -39,7 +39,7 @@
 
 from __future__ import absolute_import, division
 
-import random
+from random import random as _goodEnoughRandom
 
 from zope.interface import directlyProvides
 
@@ -477,8 +477,8 @@
 
 
 
-def backoffPolicy(initialDelay=1.0, maxDelay=3600.0,
-                  factor=1.5, jitter=random.random):
+def backoffPolicy(initialDelay=1.0, maxDelay=3600.0, factor=1.5,
+                  jitter=_goodEnoughRandom):
     """
     A timeout policy for L{ClientService} which computes an exponential backoff
     interval with configurable parameters.
@@ -495,7 +495,7 @@
         failed reattempt.  Default: 1.5.
 
     @param jitter: A 0-argument callable that introduces noise into the delay.
-        By default, L{random.random}, i.e. a pseudorandom floating-point value
+        By default, C{random.random}, i.e. a pseudorandom floating-point value
         between zero and one.
 
     @return: a 1-argument callable that, given an attempt count, returns a