On 21Apr2015 09:59, Alex Kleider <aklei...@sonic.net> wrote:
On 2015-04-20 22:21, Danny Yoo wrote:
What's supposed to happen in this situation?
##########################################
class Person(object):
def __init__(self): pass
j = Person()
john = j
jack = j
##########################################
What single name should we get back from the single Person object
here? "j", "john", or "jack"?
I was hoping that it would be possible to create a function
that would do the following:
def my_name(some_object):
return some_object.__name__
so, using what you entered above..
my_name(j)
'j'
my_name(john)
'john'
my_name(jack)
'jack'
But I see what I think you and others have been trying to explain to
me: that the expression some_object.__name__, if it existed, would
indeed be schizophrenic since it would be an attribute of the object,
not the name(s) to which it is bound.
But it would not be schizophrenic to write a function that returned a name
arbitrarily, by inspecting locals(). It depends whether you only need a name,
or if you need "the" name.
Write yourself a "find_name_from_locals(local_map, value)" function that
reports. That will (a) get you a partial answer and (b) cement in your mind
what is possible and why. Easy and useful!
Cheers,
Cameron Simpson <c...@zip.com.au>
Technique will get you through times of no strength a lot better than
strength will get you through times of no technique. - the Nealomatic
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