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a h�h� � @ s� d dl T d dlT d dlZd dd�Zd dd�Zd!dd �Zd"d d �Zd d � ed�D �Zdd� Z dd � ed�D �Z dd� Z dd� Z dd� Z dd � ed�D �Zdd� Zdd � Zd d � ZdS )#� )�*NFc C s� |dkst d|� d���|r<d| d }d| d d }nd}d| d }|| kr`|ks~n t d| � d|� d|� d ���| dk r�| d|> 7 } t|�}|d }| r�|dkr�| d@ ||< | dL } |d8 }q�t|�S ) aV Converts an integer into its binary representation in a bit-string. Width is the amount of bits to generate. Each bit is represented as either \\x00 or \\x01. The most significant bit is first, big-endian. This is reverse to `bits2integer`. Examples: >>> integer2bits(19, 8) b'\x00\x00\x00\x01\x00\x00\x01\x01' � �width � must be positive� r �number z is out of range (min=z, max=�))� ValueError� bytearray�bytes)�number�width�signed�min�max�bits�i� r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/construct/lib/binary.py� integer2bits s$ r c C s^ |dkst d|� d���ztj| |d|d�W S tyX t d| � d|� d|� ���Y n0 d S ) z� Converts an integer into a byte-string. This is reverse to `bytes2integer`. Examples: >>> integer2bytes(19, 4) '\x00\x00\x00\x13' r r r �big�r r z does not fit width z , signed N)r �int�to_bytes� OverflowError)r r r r r r � integer2bytes& s r c C sR | dkrt d��d}| D ]}|d> |B }q|rJ| d rJdt| �> }|| S |S dS )z� Converts a bit-string into an integer. Set signed to interpret the number as a 2-s complement signed integer. This is reverse to `integer2bits`. Examples: >>> bits2integer(b"\x01\x00\x00\x01\x01") 19 � zbit-string cannot be emptyr r N)r �len)�datar r �bZbiasr r r � bits2integer9 s r c C s | dkrt d��tj| d|d�S )z� Converts a byte-string into an integer. This is reverse to `integer2bytes`. Examples: >>> bytes2integer(b'\x00\x00\x00\x13') 19 r zbyte-string cannot be emptyr r )r r � from_bytes)r r r r r � bytes2integerP s r" c C s i | ]}|t |d ��qS )� )r ��.0r r r r � <dictcomp>_ r r& � c C s d� dd� | D ��S )z� Converts between bit-string and byte-string representations, both as bytes type. Example: >>> bytes2bits(b'ab') b"\x00\x01\x01\x00\x00\x00\x00\x01\x00\x01\x01\x00\x00\x00\x01\x00" r c s s | ]}t | V qd S �N)�BYTES2BITS_CACHE�r% r r r r � <genexpr>i r z bytes2bits.<locals>.<genexpr>)�join�r r r r � bytes2bits` s r. c C s i | ]}t t|��|�qS r )r. �int2byter$ r r r r& l r c sF t � �d dkr$tdt � �� d���t� fdd�tdt � �d�D ��S )z� Converts between bit-string and byte-string representations, both as bytes type. Its length must be multiple of 8. Example: >>> bits2bytes(b"\x00\x01\x01\x00\x00\x00\x00\x01\x00\x01\x01\x00\x00\x00\x01\x00") b'ab' r# r z data length z must be a multiple of 8c 3 s" | ]}t � ||d � V qdS �r# N)�BITS2BYTES_CACHEr$ r- r r r+ x r z bits2bytes.<locals>.<genexpr>)r r r �ranger- r r- r � bits2bytesm s r3 c C s | ddd� S )zs Performs an endianness swap on byte-string. Example: >>> swapbytes(b'abcd') b'dcba' N���r r- r r r � swapbytes{ s r5 c sL t � �d dkr$tdt � �� d���d�� fdd�ttdt � �d��D ��S )z� Performs an byte-swap within a bit-string. Its length must be multiple of 8. Example: >>> swapbytesinbits(b'0000000011111111') b'1111111100000000' r# r z1little-endianness is only defined if data length z is multiple of 8r c 3 s | ]}� ||d � V qdS r0 r r$ r- r r r+ � r z"swapbytesinbits.<locals>.<genexpr>)r r r, �reversedr2 r- r r- r �swapbytesinbits� s r7 c C s& i | ] }|t tttt|������qS r )�byte2intr3 r5 r. r/ r$ r r r r& � r c C s t dd� | D ��S )z� Performs a bit-reversal on each byte within a byte-string. Example: >>> swapbitsinbytes(b"\xf0\x00") b"\x0f\x00" c s s | ]}t | V qd S r( )�SWAPBITSINBYTES_CACHEr* r r r r+ � r z"swapbitsinbytes.<locals>.<genexpr>)r r- r r r �swapbitsinbytes� s r: c C s t �| �S )z Returns binascii.hexlify(data).)�binascii�hexlifyr- r r r r< � s r< c C s t �| �S )z!Returns binascii.unhexlify(data).)r; � unhexlifyr- r r r r= � s r= )F)F)F)F)Z constructZ construct.libr; r r r r" r2 r) r. r1 r3 r5 r7 r9 r: r< r= r r r r �<module> s
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