adding an attribute to an nd-array

[Stefan van der Walt]

A quick question on extending numpy arrays: is it possible to easily
add an attribute to an ndarray?

With Python-defined classes one can do

class X(object):
    pass

x = X()
x.foo = 'bar'

but with ndarrays you get

x = N.array([1,2,3])
x.foo = 'bar'

AttributeError: 'numpy.ndarray' object has no attribute 'foo'

Is there an easy way around this (without writing a C extension)?

Thanks for any advice.
Stéfan

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