[issue7475] codecs missing: base64 bz2 hex zlib hex_codec ...

[R. David Murray]

R. David Murray added the comment:

I was visualizing transform/untransform as being restricted to buffertype->bytes and stringtype->string, which at least for binascii-type transforms is all the modules support.  After all, you don't get to choose what type of object you get back from encode or decode.

A more generalized transformation (encode/decode) utility is also interesting, but how many non-string non-bytes transformations do we actually support?

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