I need to name classes certain things, for example:
for a in range(10):
class Class#"%s"(object): % (num)
'''Class Content'''
num += 1
My question, is this possible, and if not, what is an alternative.
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The fact that you find yourself needing to do this suggests that your approach could be improved. What is the bigger picture; why are you doing this, what are you trying to achieve?jonrsharpe– jonrsharpe2014-04-26 07:23:35 +00:00Commented Apr 26, 2014 at 7:23
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Hi, and welcome to Stack Overflow - there's no need to add solved to your question. By clicking the checkmark you've already indicated to the wider community that you've got the answer you need. Thanks!Ben– Ben2014-04-26 15:01:01 +00:00Commented Apr 26, 2014 at 15:01
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@Ben, sorry, I'm just used to that from using the Ubuntu forums, my bad. :)FrigidDev– FrigidDev2014-04-27 01:01:37 +00:00Commented Apr 27, 2014 at 1:01
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1 Answer
You can do it using metaclasses (stuff that is used to create classes). Example:
>>> type('ClassName', (), {})
<class '__main__.ClassName'>
Second argument is a tuple of base classes, third argument is a dictionary containing attribute name -> attribute value pairs:
>>> cls = type('ClassName', (object,), {'varname': 'var'})
>>> cls.varname
'var'
From the documentation on type function:
With three arguments, return a new type object. This is essentially a dynamic form of the class statement. The name string is the class name and becomes the __name__ attribute; the bases tuple itemizes the base classes and becomes the __bases__ attribute; and the dict dictionary is the namespace containing definitions for class body and becomes the
__dict__ attribute.
Also read this awesome answer for more details.
1 Comment
FrigidDev
So, from what I've read, I need to put the name, type(such as object), and the different attributes in a dictionary like this: {"self.var: var}.
