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Programming-Idioms

History of Idiom 73 > diff from v309 to v310

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Version 309

2015-10-29, 14:05:16

Version 310

2015-10-31, 15:32:37

Idiom #73 Create a factory

Create a factory named pFact for any sub class of Parent and taking exactly one string str as constructor parameter.

Idiom #73 Create a factory

Create a factory named pFact for any sub class of Parent and taking exactly one string str as constructor parameter.

Code 
def pFact(a_class, str):
    if issubclass(Parent, a_class):
        return parent(str)
Code 
def pFact(a_class, str_):
    if issubclass(a_class, Parent):
        return a_class(str_)
Comments bubble
this is not needed in python you can use the class like a function