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d ddZd ddZdd Zdd Zdd Zed kre dS )!zHConversions to/from quoted-printable transport encoding as per RFC 1521.)encodedecode encodestring decodestring =L s 0123456789ABCDEF )a2b_qpb2a_qpNc C s: | dv r |S | dkr|S | t kp8d| ko2dkn S )zDecide whether a particular byte ordinal needs to be quoted.
The 'quotetabs' flag indicates whether embedded tabs and spaces should be
quoted. Note that line-ending tabs and spaces are always encoded, as per
RFC 1521.
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r c C s( t | } ttt| d t| d f S )zQuote a single character. )ordr bytesHEXr r r r quote$ s r Fc
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av Read 'input', apply quoted-printable encoding, and write to 'output'.
'input' and 'output' are binary file objects. The 'quotetabs' flag
indicates whether embedded tabs and spaces should be quoted. Note that
line-ending tabs and spaces are always encoded, as per RFC 1521.
The 'header' flag indicates whether we are encoding spaces as _ as per RFC
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