o
    N©ZhÝ  ã                   @   s<   d dl Z d dlZd dlmZ d dlmZ G dd„ deƒZdS )é    N)Úunquote)ÚAbstractFileSystemc                       sH   e Zd ZdZdZ‡ fdd„Zddd„Zdd	„ Z	
			ddd„Z‡  Z	S )ÚDataFileSystemz©A handy decoder for data-URLs

    Example
    -------
    >>> with fsspec.open("data:,Hello%2C%20World%21") as f:
    ...     print(f.read())
    b"Hello, World!"

    Údatac                    s   t ƒ jdi |¤Ž dS )z!No parameters for this filesystemN© )ÚsuperÚ__init__)ÚselfÚkwargs©Ú	__class__r   úR/var/www/html/lang_env/lib/python3.10/site-packages/fsspec/implementations/data.pyr      s   zDataFileSystem.__init__Nc                 K   s@   |  dd¡\}}| d¡rt |¡||… S t|ƒ ¡ ||… S )Nú,é   Úbase64)ÚsplitÚendswithr   Ú	b64decoder   Úencode)r	   ÚpathÚstartÚendr
   Úprefr   r   r   r   Úcat_file   s   
zDataFileSystem.cat_filec                 K   sH   |  dd¡\}}|  |¡}|  dd¡d   dd¡d }|t|ƒd|dœS )Nr   r   ú:ú;r   Úfile)ÚnameÚsizeÚtypeÚmimetype)r   r   Úlen)r	   r   r
   r   r   r   Úmimer   r   r   Úinfo   s   
zDataFileSystem.infoÚrbTc                 K   s    d|vrt dƒ‚t |  |¡¡S )NÚrzRead only filesystem)Ú
ValueErrorÚioÚBytesIOr   )r	   r   ÚmodeÚ
block_sizeZ
autocommitZcache_optionsr
   r   r   r   Ú_open%   s   	zDataFileSystem._open)NN)r$   NTN)
Ú__name__Ú
__module__Ú__qualname__Ú__doc__Úprotocolr   r   r#   r+   Ú__classcell__r   r   r   r   r      s    

	úr   )r   r'   Úurllib.parser   Zfsspecr   r   r   r   r   r   Ú<module>   s
    