AES crypto in pure Python?

[andrew.fabbro at gmail.com]

I'm looking for an implementation of AES (the Advanced Encryption
Standard) in pure Python.  I'm aware of pycrypto, but that uses C code.
 I'm hoping to find something that only uses Python...I'm willing to
trade speed for portability, since my application is designed for
several different platforms.

Anyone know if this has been done?

Thanks,


-AF