The base64 module provides functions for base64 encoding and decoding.
encode(src): returns the base64 encoding of src.decode(s): returns the bytes represented by the base64 string s.raw_encode(src): returns the base64 encoding of src but omits the padding.raw_decode(s): returns the bytes represented by the base64 string s which omits the padding.url_encode(src): returns the url-base64 encoding of src.url_decode(s): returns the bytes represented by the url-base64 string s.raw_url_encode(src): returns the url-base64 encoding of src but omits the padding.raw_url_decode(s): returns the bytes represented by the url-base64 string s which omits the padding.