[Python-Dev] python/dist/src/Lib/bsddb __init__.py,1.5,1.6

[Raymond Hettinger]

[Raymond]
> > I would like to backport this patch to Py2.3.1.  
> > The effort to provide a full mapping interface to all
> > mapping like objects was attempted in Py2.3 and several
> > modules for the bsddb package were updated, but this
> > one was missed and the package was left half converted.
> > 
> > IIRC, dbhash and bsddb don't affect the Apple MacIntosh
> > users.  Also, since this effort was started for bsddb and
> > only half completed, I view it to be a bit of a bugfix as
> > well as being featurelike.  It certainly affects the usability
> > of the module (the looping example and related text in 
> > the docs were both wrong -- that would not have happened
> > if the normal looping expectations were supported).

[GvR]
> Can you discuss this on python-dev?

Guys, are you okay with backporting this?


Raymond Hettinger





Index: __init__.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/bsddb/__init__.py,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -d -r1.5 -r1.6
*** __init__.py 24 Apr 2003 16:02:44 -0000 1.5
--- __init__.py 12 Sep 2003 06:33:37 -0000 1.6
***************
*** 53,58 ****
  #----------------------------------------------------------------------
  
  
! class _DBWithCursor:
      """
      A simple wrapper around DB that makes it look like the bsddbobject in
--- 53,59 ----
  #----------------------------------------------------------------------
  
+ import UserDict
  
! class _DBWithCursor(UserDict.DictMixin):
      """
      A simple wrapper around DB that makes it look like the bsddbobject in
***************
*** 145,148 ****
--- 146,157 ----
          return self.db.sync()
  
+     def __iter__(self):
+         try:
+             yield self.first()[0]
+             next = self.next
+             while 1:
+                 yield next()[0]
+         except _bsddb.DBNotFoundError:
+             return
  
  #----------------------------------------------------------------------