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call of non-function (type string) error

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Michael Hudson <mwh21 at cam.ac.uk> writes:> Why wouldn't __import__("Crypto.Cipher.%s"%(CIPHER,),globals(),{},[1])> followed by cipher = getattr(Crypto.Cipher, CIPHER) work?To get the module for CIPHER imported properly, you just need to passits name in the fourth parameter to __import__:>>> CIPHER = 'DES3'>>> pkg = __import__('Crypto.Cipher', globals(), locals(), [CIPHER])>>> module = getattr(pkg, CIPHER)>>> print module<module 'Crypto.Cipher.DES3' from '/home/carey/lib/python/Crypto/Cipher/DES3.pyc'>No need to use exec, eval or %s anywhere.keeping-the-world-free-of-exec-ly y'rs   - Carey--     "Quiet, you'll miss the humorous conclusion."

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