On Tue, Oct 18, 2016 at 3:03 AM, Mr. Wrobel <m...@e-wrobel.pl> wrote:
> Hi,
>
> I am looking for an example of metaclass usage. Especially I am interestet
> in manipulating instance variables, for example:
>
> My class:
> class MrMeta(type):
> pass
>
> class Mr(object):
> __metaclass__ = MrMeta
>
> def __init__(self):
> self.imvariable = 'Zmienna self'
>
> def aome method(self):
> print 'I am in instance'
>
> So in general, I would like to create a mechanism, that is changing value
> for self.imvariable to capital letters and this should be included in my
> metaclass called MrMeta(type).
>
> Can you guide me please?
Are you sure you can't just use a descriptor, such as @property?
class Mr(object):
@property
def imvariable(self):
return self._imvariable
@imvariable.setter
def imvariable(self, value):
self._imvariable = str(value).upper()
ChrisA
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