Type annotations of objects to the correct class in Python/Eclipse

I'm using Eclipse for developing some Python based application.

Very often I pass some class object to methods. So how can I say to the eclipse that this particular variable 开发者_如何转开发is of type Class A. For ex.

def foo(var1,var2):
    ''' var1 is of type Class A, and var2 is of type Class B'''
    var1.a = 10
    var2.b = 'xyz'

I can use all these ways, problems is that Eciplse can't give the variable hints for all these member variables for Class A and Class B. I've to go and check the member variables manually. This is very hectic and error prone. Is there any way I can tell eclipse/python that var1 is of type Class A and var2 is of type class B?

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There exists no such thing as type casting in Python. There's type coercion that happens in arithmetic expressions, e.g., but that's something different. As I explained here, there's no sensible way for Eclipse to do what you want it do do. Since Python 3 there are type annotations in function definitions, as propopsed in PEP-3107, which may or may not be used in the future by programs like PyDev.

Until then, instead of fighting duck typing, you should embrace its power.

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I got the same issue ... as far as I've been searching, you can't do that!

Typing Casting in Python Question