← Back
Editing: utf_8_sig.cpython-38.pyc
U i�f% � @ st d Z ddlZddd�Zddd�ZG dd � d ej�ZG d d � d ej�ZG d d � d ej�ZG dd� dej�Zdd� Z dS )a Python 'utf-8-sig' Codec This work similar to UTF-8 with the following changes: * On encoding/writing a UTF-8 encoded BOM will be prepended/written as the first three bytes. * On decoding/reading if the first three bytes are a UTF-8 encoded BOM, these bytes will be skipped. � N�strictc C s t jt �| |�d t| �fS �Nr )�codecs�BOM_UTF8� utf_8_encode�len)�input�errors� r �8/opt/alt/python38/lib64/python3.8/encodings/utf_8_sig.py�encode s �r c C sD d}| d d� t jkr&| dd � } d}t �| |d�\}}||| fS )Nr � T)r r � utf_8_decode)r r �prefix�output�consumedr r r �decode s r c @ s8 e Zd Zddd�Zddd�Zdd� Zd d � Zd d � Zd S )�IncrementalEncoderr c C s t j�| |� d| _d S �N� )r r �__init__�first��selfr r r r r s zIncrementalEncoder.__init__Fc C s: | j r$d| _ tjt�|| j�d S t�|| j�d S d S r )r r r r r )r r �finalr r r r s �zIncrementalEncoder.encodec C s t j�| � d| _d S r )r r �resetr �r r r r r ' s zIncrementalEncoder.resetc C s | j S �N�r r r r r �getstate+ s zIncrementalEncoder.getstatec C s || _ d S r r �r �stater r r �setstate. s zIncrementalEncoder.setstateN)r )F)�__name__� __module__� __qualname__r r r r r" r r r r r s r c @ s6 e Zd Zd dd�Zdd� Zdd� Zdd � Zd d � Zd S )�IncrementalDecoderr c C s t j�| |� d| _d S r )r �BufferedIncrementalDecoderr r r r r r r 2 s zIncrementalDecoder.__init__c C sv | j rht|�dk r*tj�|�r"dS d| _ n>d| _ |d d� tjkrht�|dd � ||�\}}||d fS t�|||�S )Nr �� r r )r r r r � startswithr )r r r r r r r r r �_buffer_decode6 s � z!IncrementalDecoder._buffer_decodec C s t j�| � d| _d S r )r r' r r r r r r r G s zIncrementalDecoder.resetc C s t j�| �}|d | jfS r )r r' r r r r r r r K s zIncrementalDecoder.getstatec C s t j�| |� |d | _d S r )r r' r" r r r r r r" P s zIncrementalDecoder.setstateN)r )r# r$ r% r r+ r r r" r r r r r& 1 s r& c @ s e Zd Zdd� Zddd�ZdS )� StreamWriterc C s. t j�| � z| `W n tk r( Y nX d S r )r r, r r �AttributeErrorr r r r r V s zStreamWriter.resetr c C s t j| _t||�S r )r r r )r r r r r r r ] s zStreamWriter.encodeN)r )r# r$ r% r r r r r r r, U s r, c @ s e Zd Zdd� Zddd�ZdS )� StreamReaderc C s. t j�| � z| `W n tk r( Y nX d S r )r r. r r r- r r r r r b s zStreamReader.resetr c C sp t |�dk r tj�|�r\dS n>|d d� tjkr\tj| _t�|dd � |�\}}||d fS tj| _t�||�S )Nr r( )r r r r* r r )r r r r r r r r r i s zStreamReader.decodeN)r )r# r$ r% r r r r r r r. a s r. c C s t jdttttttd�S )Nz utf-8-sig)�namer r �incrementalencoder�incrementaldecoder� streamreader� streamwriter)r � CodecInfor r r r& r. r, r r r r � getregentryy s �r5 )r )r ) �__doc__r r r r r' r& r, r. r5 r r r r �<module> s $
Save File
Cancel