
    çgz                     V    d dl Z d dlZd dlmZ d dlmZ d dlmZ  G d de          ZdS )    N)Optional)unquote)AbstractFileSystemc                   r     e Zd ZdZdZ fdZddZd Z	 	 	 	 dd	Ze	dde
d
ee         fd            Z xZS )DataFileSystemzA handy decoder for data-URLs

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

    See https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URLs
    datac                 :     t                      j        di | dS )z!No parameters for this filesystemN )super__init__)selfkwargs	__class__s     W/var/www/html/ai-engine/env/lib/python3.11/site-packages/fsspec/implementations/data.pyr   zDataFileSystem.__init__   s&    ""6"""""    Nc                     |                     dd          \  }}|                    d          rt          j        |          ||         S t	          |                                          ||         S )N,   base64)splitendswithr   	b64decoder   encode)r   pathstartendr   prefr   s          r   cat_filezDataFileSystem.cat_file   sh    ZZQ''
d=="" 	5#D))%)44t}}##%%eCi00r   c                     |                     dd          \  }}|                     |          }|                     dd          d                              dd          d         }|t          |          d|dS )Nr   r   :;r   file)namesizetypemimetype)r   r   len)r   r   r   r   r#   r   mimes          r   infozDataFileSystem.info!   so    ZZQ''
d}}T""zz#q!!!$**32215c$iiTRRRr   rbTc                 v    d|vrt          d          t          j        |                     |                    S )NrzRead only filesystem)
ValueErrorioBytesIOr   )r   r   mode
block_size
autocommitcache_optionsr   s          r   _openzDataFileSystem._open'   s8     d??3444z$----...r   r(   c                 ^    d|pd dt          j        |                                            S )zFormat the given data into data-URL syntax

        This version always base64 encodes, even when the data is ascii/url-safe.
        zdata: z;base64,)r   	b64encodedecode)r   r(   s     r   r   zDataFileSystem.encode4   s6     MtzrLL6+;D+A+A+H+H+J+JLLLr   )NN)r*   NTN)N)__name__
__module____qualname____doc__protocolr   r   r)   r4   staticmethodbytesr   strr   __classcell__)r   s   @r   r   r   	   s        	 	 H# # # # #1 1 1 1S S S / / / / M MU M(3- M M M \M M M M Mr   r   )	r   r.   typingr   urllib.parser   fsspecr   r   r
   r   r   <module>rE      s     				                   % % % % % %1M 1M 1M 1M 1M' 1M 1M 1M 1M 1Mr   