On 06/18/10 20:31, someone wrote:
> On Jun 18, 12:01 pm, "Gabriel Genellina" <gagsl-...@yahoo.com.ar>
> wrote:
>> En Fri, 18 Jun 2010 06:48:34 -0300, someone <petshm...@googlemail.com>
>> escribió:
>>
>>> is it possible to make first attr variable?
>>
>>> some_object.attr.attr
>>
>>> so instead of attr I could use self.foo which has value "attr"
>>
>> I think you're looking for
>> getattr:http://docs.python.org/library/functions.html#getattr
>>
>> name = "spam"
>> getattr(some_object, name) == some_object.spam == getattr(some_object,
>> "spam")
>
> Thanks.
>
> I was looking for a "short way" to do it because I have a lot
> "some_object.attr.attr or some_object.other_attr.attr" in code. it
> looks like I cannot replace attr with just other variable and must
> type some_object.other_attr.attr or your solution which is however
> longer to type :)
Alternatively, if you have control over some_object class:
class SomeClass(object):
def __init__(self): pass
def __getattr__(self, attr):
return "attr: " + attr
some_object = SomeClass()
print some_object.foo
print some_object.myattr
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