o <ºiO ã@s"dZddlmZGdd„dƒZdS)zˆ An implementation of a bitwise prefix tree specially built for decoding Huffman-coded content where we already know the Huffman table. é)Úannotationsc@s$eZdZdZddd„Zddd „ZdS)ÚHuffmanEncoderzj Encodes a string according to the Huffman encoding table defined in the HPACK specification. Úhuffman_code_listú list[int]Úhuffman_code_list_lengthsÚreturnÚNonecCs||_||_dS)N)rr)Úselfrr©r úJ/home/ubuntu/veenaModal/venv/lib/python3.10/site-packages/hpack/huffman.pyÚ__init__s zHuffmanEncoder.__init__Úbytes_to_encodeúbytes | NoneÚbytescCsò|sdSd}d}|D] }|j|}|j|d|dd@}||K}||O}||7}q d|dd}||K}|d|>dO}t|ƒdd… d¡}t|ƒddkrVd|n|}||d} | d} t|ƒ| krt| t|ƒ}d||}t |¡S) zm Given a string of bytes, encodes them according to the HPACK Huffman specification. óréééNÚLÚ0)rrÚhexÚrstripÚlenrÚfromhex)r r Ú final_numÚ final_int_lenÚbyteÚbin_int_lenÚbin_intÚbits_to_be_paddedÚsÚtotal_bytesÚexpected_digitsÚmissing_digitsr r rÚencodes. ÿ zHuffmanEncoder.encodeN)rrrrrr)r rrr)Ú__name__Ú __module__Ú__qualname__Ú__doc__rr$r r r rrs rN)r(Ú __future__rrr r r rÚs