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Wed Apr 11 12:37:02 EDT 2001 · http://mail.python.org/pipermail/python-list/2001-April/070160.html

Graham Guttocks <graham_guttocks at yahoo.co.nz> writes:
> >>> CIPHER = "DES3"
> >>> import Crypto.Cipher
> >>> cipher = getattr(Crypto.Cipher, CIPHER)
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
> AttributeError: DES3

I don't think the Cipher package automatically imports all
subpackages, and this is a case where you really do need to use exec.
Obviously the Cipher package should provide a function to retrieve the
module for a given name...

--amk

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call of non-function (type string) error