[Zope-Checkins] CVS: Zope2 - referencesf.py:1.2

[Jim Fulton]

Update of /cvs-repository/Zope2/lib/python/ZODB
In directory korak:/tmp/cvs-serv8130

Modified Files:
	referencesf.py 
Log Message:
Returning the references list makes the API much cleaner, 
which will help new storage writers.

Creating the reference list when one isn't passed is a bonus.



--- Updated File referencesf.py in package Zope2 --
--- referencesf.py	1999/05/18 15:55:10	1.1
+++ referencesf.py	2001/03/21 15:05:21	1.2
@@ -86,12 +86,13 @@
 """
 import cPickle, cStringIO
 
-def referencesf(p,rootl,
+def referencesf(p, rootl=None,
                 Unpickler=cPickle.Unpickler,
                 StringIO=cStringIO.StringIO,
                 tt=type(()),
-                type=type):
+                type=type, None=None):
 
+    if rootl is None: rootl=[]
     u=Unpickler(StringIO(p))
     l=len(rootl)
     u.persistent_load=rootl
@@ -113,4 +114,5 @@
         if v:
             if type(v) is tt: v=v[0]
             rootl[i]=v
-                
+
+    return rootl