matrixdef.py

Travis Oliphant oliphant.travis at ieee.org
Mon Oct 30 23:22:32 CST 2006


Colin J. Williams wrote:
> Line 71 has: data.view(subtype)
>
> This appears to involve a call to __array_finalize__.  Is this an 
> unconditional call?
>   

Yes.  Every-time an array is constructed the __array_finalize__ method 
is called unless the __array_finalize__ attribute is None
> If not, what are the conditions?
>
> Why not use __init__ to handle these things, since it is always called 
> after the __new__?
>   
Because __init__ must have the same calling signature as __new__ and we 
have no way of knowing what it is.

-Travis


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