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Note that 0 is a special case, returning an empty string, to save a byte in the LONG1 pickling context. >>> encode_long(0) b'' >>> encode_long(255) b'\xff\x00' >>> encode_long(32767) b'\xff\x7f' >>> encode_long(-256) b'\x00\xff' >>> encode_long(-32768) b'\x00\x80' >>> encode_long(-128) b'\x80' >>> encode_long(127) b'\x7f' >>> r r� r � �littleT)� byteorder�signedr� � ���� N)� bit_length�to_bytes)rf �nbytes�resultr r r �encode_long? s r� c C s t j| ddd�S )a\ Decode a long from a two's complement little-endian binary string. >>> decode_long(b'') 0 >>> decode_long(b"\xff\x00") 255 >>> decode_long(b"\xff\x7f") 32767 >>> decode_long(b"\x00\xff") -256 >>> decode_long(b"\x00\x80") -32768 >>> decode_long(b"\x80") -128 >>> decode_long(b"\x7f") 127 r� T)r� r� )�int� from_bytes)rx r r r �decode_long] s r� c @ sh e Zd Zd7dd�dd�Zdd� Zdd � Zd d� Zdd � Zdd� Zd8dd�Z dd� Z dd� Zd9dd�Zi Z dd� Zee ed�<