[ZODB-Dev] grab zodb dict keys by search term

[Vincent Pelletier]

On Wed, 11 Dec 2013 12:27:19 +0200,
Tamer Higazi <tameritoke2 at arcor.de> wrote :
> If i would have 100.000 - 500.000 entries, where 150 would match, I 
> don't want to go over those completely.
> 
> So, if there is a pythonic way to get it solved on a performant way, or 
> a ZODB way as well that would be wondefull.

BTrees have a very nice API, which allow scanning only a subset of keys
by providing min and max boundaries:
  for key, value in some_btree.items(
          min='aa', max='b', excludemax=True):
      # Do stuff
should do what you want.

http://pythonhosted.org/BTrees/
-- 
Vincent Pelletier
ERP5 - open source ERP/CRM for flexible enterprises