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Simple Example Of Meta-class

Use metaclass to define the representation
of a class (not an instance).

>>> class Pretty(type):
...     def __str__(cls):
...         return ''
...     
>>> class Foo(object):
...     __metaclass__ = Pretty
...     
>>> str(Foo)
''
>>> 

Representation of an instance can be done using class.
Representation of a class can be done using meta-class.
The code is adapted from this blog post.
{{ tag }}, {{tag}},

{{ parent.title || parent.header.title}}

{{ parent.tldr }}

{{ parent.urlSource.name }}
{{ parent.authors[0].realName || parent.author}}

{{ parent.authors[0].tagline || parent.tagline }}

{{ parent.views }} ViewsClicks
Tweet

{{parent.nComments}}