File: //usr/lib/python3/dist-packages/serial/tools/__pycache__/hexlify_codec.cpython-38.pyc
U
��WW5 � @ s� d Z ddlZddlZze W n eefk
r8 eZY nX dZddd�Zddd�Z G d d
� d
ej
�Z
G d d � d ej �Z G d
d� dej �Z G dd� de
ej
�Z
G dd� de
ej�Zdd� ZdS )aL Python 'hex' Codec - 2-digit hex with spaces content transfer encoding.
Encode and decode may be a bit missleading at first sight...
The textual representation is a hex dump: e.g. "40 41"
The "encoded" data of this is the binary form, e.g. b"@A"
Therefore decoding is binary to text and thus converting binary data to hex dump.
� NZ0123456789ABCDEF�strictc C s t �dd� | �� D ��t| �fS )�'40 41 42' -> b'@ab'c S s g | ]}t |d ��qS �� ��int��.0�h� r �</usr/lib/python3/dist-packages/serial/tools/hexlify_codec.py�
<listcomp>& s z hex_encode.<locals>.<listcomp>)�serial�to_bytes�split�len��data�errorsr r r �
hex_encode$ s r c C s& t d�dd� t�| �D ���t| �fS )�b'@ab' -> '40 41 42'� c s s | ]}d � t|��V qdS �z{:02X} N��format�ord�r �br r r � <genexpr>+ s z hex_decode.<locals>.<genexpr>)�unicode�joinr � iterbytesr r r r r �
hex_decode) s r" c @ s e Zd Zddd�Zddd�ZdS ) �Codecr c C s t �dd� |�� D ��S )r c S s g | ]}t |d ��qS r r r r r r r
1 s z Codec.encode.<locals>.<listcomp>)r r r ��selfr r r r r �encode/ s z Codec.encodec C s t d�dd� t�|�D ���S )r r c s s | ]}d � t|��V qdS r r r r r r r 5 s z Codec.decode.<locals>.<genexpr>�r r r r! r$ r r r �decode3 s z Codec.decodeN)r )r )�__name__�
__module__� __qualname__r& r( r r r r r# . s
r# c @ s< e Zd ZdZddd�Zdd� Zdd� Zd d
� Zdd d
�ZdS )�IncrementalEncoderzIncremental hex encoderr c C s || _ d| _d S �Nr )r �state)r% r r r r �__init__; s zIncrementalEncoder.__init__c C s
d| _ d S r- �r. �r% r r r �reset? s zIncrementalEncoder.resetc C s | j S �Nr0 r1 r r r �getstateB s zIncrementalEncoder.getstatec C s
|| _ d S r3 r0 )r% r. r r r �setstateE s zIncrementalEncoder.setstateFc C s� | j }g }|�� D ]|}|tkrRt�|�}|rD|�||d@ � d}q�d|d> }q|dkrv|rp| jdkrptd��d}q| jdkrtd�|���q|| _ t� |�S ) z� Incremental encode, keep track of digits and emit a byte when a pair
of hex digits is found. The space is optional unless the error
handling is defined to be 'strict'.
�� r � � � r zodd number of hex digitsznon-hex digit found: {!r})
r. �upper� HEXDIGITS�index�appendr � UnicodeErrorr r r )r% r �finalr. Zencoded�c�zr r r r& H s"
zIncrementalEncoder.encodeN)r )F) r) r* r+ �__doc__r/ r2 r4 r5 r& r r r r r, 8 s
r, c @ s e Zd ZdZddd�ZdS )�IncrementalDecoderzIncremental decoderFc C s t d�dd� t�|�D ���S )Nr c s s | ]}d � t|��V qdS r r r r r r r f s z,IncrementalDecoder.decode.<locals>.<genexpr>r' )r% r r? r r r r( e s zIncrementalDecoder.decodeN)F)r) r* r+ rB r( r r r r rC c s rC c @ s e Zd ZdZdS )� StreamWriterz-Combination of hexlify codec and StreamWriterN�r) r* r+ rB r r r r rD i s rD c @ s e Zd ZdZdS )� StreamReaderz-Combination of hexlify codec and StreamReaderNrE r r r r rF m s rF c C s t jdttttttd�S )zencodings module APIZhexlify)�namer& r( �incrementalencoder�incrementaldecoder� streamwriter� streamreader)�codecs� CodecInfor r" r, rC rD rF r r r r � getregentryq s �rN )r )r )rB rL r r � NameError�AttributeError�strr; r r" r# r, rC rD rF rN r r r r �<module> s
+