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Get object/list or None

Author:
lokesh
Posted:
September 2, 2009
Language:
Python
Version:
1.1
Tags:
"get_obj_or_none" "get_list_or_none"
Score:
-1 (after 3 ratings)
  1. Function - get_obj_or_none Returns an object or a None Value

  2. Function - get_list_or_none Returns a list object or None Value

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from django.shortcuts import _get_queryset

def get_obj_or_none(klass, *args, **kwargs):
    queryset = _get_queryset(klass)
        try:
	    return queryset.get(*args, **kwargs)
	except:
	    return None

def get_list_or_none(klass, *args, **kwargs):
    queryset = _get_queryset(klass)
    obj_list = list(queryset.filter(*args, **kwargs))
    if not obj_list:
        return None
    return obj_list

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