Equivalent to c++ typeof(x)

[Hans Nowak]

Andrew Wilkinson wrote:
> 
> Hi,
> 
> Is there any equivalent in Python to the C++ construct
> 
> typeof(<instance variable>) == typeof(<class>)
> 
> The Python type(<variable>) returns 'instance' for any class, however I
> need to know the extact type of class. So for example...
> 
> class a:
>      pass
> 
> class b:
>      pass
> 
> x = a()
> y = b()
> 
> type(x) == type(y)  # I'd like this line to return false but it returns
> true!

Well, you can use the __class__ attribute:

>>> x.__class__ is y.__class__
0

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       # decode for email address ;-)
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