[Python-ideas] Ordered Dictionary Literals

[Arnaud Delobelle]

2009/11/12 Mathias Panzenböck <grosser.meister.morti at gmx.net>:
> On 11/12/2009 05:46 PM, Antoine Pitrou wrote:
>> Richard Saunders <richismyname at ...> writes:
>>>
>>> Basically, the thought was there might be a place for a slightly better
>>> literal for OrderedDict
>>> in Python 3.0
>>>  od = OrderedDict([('a',1),('b':2)])  # seems clumsy
>>
>> How about something like:
>>
>> od = OrderedDict.from_literal("""
>>   {'a': 1, 'b': 2} """)
>>
>> Of course, you need to hook/reimplement a full-blown parser :)
>>
>
> this would eliminate the [ ]:
> def odict(*items):
>        return OrderedDict(items)
>
> od = odict(('a', 1), ('b', 2))
>
> well, 2 chars isn't much. however, I don't think its worth the effort.

Or:
def odict(*items):
    iteritems = iter(items)
    return OrderedDict(zip(items, items))

od = odict('a',1, 'b',2)

Not worth it either :)
-- 
Arnaud