Merging two dictionaries

Peter Otten __peter__ at web.de
Mon Aug 2 18:50:52 CEST 2010


Douglas Garstang wrote:

> On Mon, Aug 2, 2010 at 12:47 AM, Paul Rubin <no.email at nospam.invalid> 
wrote:

>> If yes, then the following works for me:
>>
>>    def merge(cluster, default):
>>        # destructively merge default into cluster
>>        for k,v in cluster.iteritems():
>>            if k in default and type(v)==dict:
>>                assert type(default(k))==dict
>>                merge(v,default[k])
>>        for k,v in default.iteritems():
>>            if k not in cluster:
>>                cluster[k] = v
>> --
>> http://mail.python.org/mailman/listinfo/python-list
>>
> 
> Hmmm, using that gives me:
> 
> Traceback (most recent call last):
>   File "./test4.py", line 48, in ?
>     merge(cluster, default)
>   File "./test4.py", line 42, in merge
>     assert type(default(k))==dict
> TypeError: 'dict' object is not callable
> 
> where line 42 is 'assert type(default(k))==dict', and the inputs are:

Not making an attempt to understand the code that you are about to use?

default(k) 

should be

default[k]

Peter




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