[Python-checkins] python/dist/src/Lib asynchat.py,1.21,1.22

[rhettinger at users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Lib
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv24421

Modified Files:
	asynchat.py 
Log Message:
Use collection.deque() instead of a list for a FIFO queue.

Index: asynchat.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/asynchat.py,v
retrieving revision 1.21
retrieving revision 1.22
diff -C2 -d -r1.21 -r1.22
*** asynchat.py	10 Mar 2003 15:16:54 -0000	1.21
--- asynchat.py	7 Feb 2004 03:19:10 -0000	1.22
***************
*** 49,52 ****
--- 49,53 ----
  import socket
  import asyncore
+ from collections import deque
  
  class async_chat (asyncore.dispatcher):
***************
*** 251,257 ****
      def __init__ (self, list=None):
          if not list:
!             self.list = []
          else:
!             self.list = list
  
      def __len__ (self):
--- 252,258 ----
      def __init__ (self, list=None):
          if not list:
!             self.list = deque()
          else:
!             self.list = deque(list)
  
      def __len__ (self):
***************
*** 262,273 ****
  
      def first (self):
!         return self.list[0]
  
      def push (self, data):
!         self.list.append (data)
  
      def pop (self):
          if self.list:
!             return (1, self.list.pop(0))
          else:
              return (0, None)
--- 263,278 ----
  
      def first (self):
!         it = iter(self.list)
!         try:
!             return it.next()
!         except StopIteration:
!             raise IndexError
  
      def push (self, data):
!         self.list.append(data)
  
      def pop (self):
          if self.list:
!             return (1, self.list.popleft())
          else:
              return (0, None)