o
    h'                     @  s   d dl mZ d dlZd dlmZmZ d dlmZ d dlmZ d dl	m
Z
mZ d dlmZmZ d dlmZ d d	lmZ d d
lmZ edZG dd deZG dd deZdS )    )annotationsN)datetimetimezone)	ENOTEMPTY)BytesIO)PurePathPureWindowsPath)AnyClassVar)AbstractFileSystem)LocalFileSystem)stringify_pathzfsspec.memoryfsc                   @  s   e Zd ZU dZi Zded< dgZdZdZe	dd Z
d'd
dZd'ddZd(ddZdd Zdd Zdd Z					d)ddZdd Zd*ddZdd  Zd!d" Zd#d$ Zd+d%d&ZdS ),MemoryFileSystemzA filesystem based on a dict of BytesIO objects

    This is a global filesystem so instances of this class all point to the same
    in memory filesystem.
    zClassVar[dict[str, Any]]store memory/c                 C  sz   t |trt |trt|S t|}|dr |tdd  }d|v s(d|v r-|dS |	dd}|r;d| S dS )Nz	memory://z::z://r   r   )

isinstancer   r   r   _strip_protocolr   
startswithlenrstriplstrip)clspath r   X/var/www/html/env_mimamsha/lib/python3.10/site-packages/fsspec/implementations/memory.pyr      s   




z MemoryFileSystem._strip_protocolTc           	      K  s  |  |}|| jv r!|s|gS || j| jd| j| j dgS t }|d }g }t| jD ]T}||rd|t|d  vrU|	|| j| jd| j| j d q/t|t|kr||t|d  
ddd  }||vr|ptg }|	|ddd || q/| jD ]F}||rd|t|d  vr||vr|	|ddd || q||t|d  
ddd  }||vr|	|ddd || q|s|| jv rg S t||r|S tdd	 |D S )
Nfilenamesizetypecreatedr      r   	directoryr   r    r!   c                 S  s   g | ]}|d  qS )r   r   ).0fr   r   r   
<listcomp>j   s    z'MemoryFileSystem.ls.<locals>.<listcomp>)r   r   r    r"   	timestampsettupler   r   appendsplitaddpseudo_dirsFileNotFoundErrorsorted)	selfr   detailkwargspathsstarteroutp2ppathr   r   r   ls,   sl   




 



 

zMemoryFileSystem.lsc                 K  s   |  |}|| jv s|| jv rt|| |dr*| | |r*t| ||rM| |drMz| j| ||fi | W n	 tyL   Y nw |r\|| jvr^| j	| d S d S d S )Nr   )
r   r   r/   FileExistsError_parentstripisfileNotADirectoryErrormkdirr,   )r2   r   create_parentsr4   r   r   r   r@   l   s   
 zMemoryFileSystem.mkdirFc                 C  s0   z
| j |dd W d S  ty   |s Y d S w )NT)rA   )r@   r;   )r2   r   exist_okr   r   r   makedirsz   s   zMemoryFileSystem.makedirsc                 K  s   | j |d|d dS )zSSet the bytes of given file

        Avoids copies of the data if possible
        wb)dataN)open)r2   r   valuer4   r   r   r   	pipe_file   s   zMemoryFileSystem.pipe_filec                 C  sN   |  |}|dkrd S || jv r#| |s| j| d S ttd|t|)Nr   zDirectory not empty)r   r/   r:   removeOSErrorr   r0   r2   r   r   r   r   rmdir   s   


zMemoryFileSystem.rmdirc                   s   t d  |    | jv s!t fddt| j| j D r' dddS  | jv r=| j  } |jdt|dd d	S t	 )
Nzinfo: %sc                 3  s    | ]
}|  d  V  qdS )r   N)r   r&   pr   r   r   	<genexpr>   s    
z(MemoryFileSystem.info.<locals>.<genexpr>r   r$   r%   r   r"   r   )
loggerdebugr   r/   anylistr   r    getattrr0   )r2   r   r4   fileliker   rO   r   info   s"   



zMemoryFileSystem.inforbNc                 K  s   |  |}|| jv rt||}t|dkr*| |}| |r$t|t|dks|dv rO|| jv rK| j| }|dkrD|dd |S |d |S t	||dkret
| ||d}	| jsc|	  |	S | jj}
td|
 d	|)
Nr#   )rX   abzr+brY   r      rD   rE   zunsupported file mode for z: )r   r/   IsADirectoryErrorr   r<   r>   r;   r   seekr0   
MemoryFileget_intranscommit	__class____name__
ValueError)r2   r   mode
block_size
autocommitcache_optionsr4   parentr'   mr   r   r   r   _open   s2   
	





zMemoryFileSystem._openc                 K  sn   |  |}|  |}| |rt| || j|  | j|< d S | |r3|| jvr1| j| d S d S t|N)	r   r>   r]   r   getvalueisdirr/   r,   r0   )r2   path1path2r4   r   r   r   cp_file   s   




zMemoryFileSystem.cp_filec                 K  sJ   t d| | |}zt| j|  || W S  ty$   t|w )Nzcat: %s)rQ   rR   r   bytesr   	getbufferKeyErrorr0   )r2   r   startendr4   r   r   r   cat_file   s   
zMemoryFileSystem.cat_filec              
   C  s<   |  |}z| j|= W d S  ty } zt||d }~ww rk   )r   r   rs   r0   )r2   r   er   r   r   _rm   s   

zMemoryFileSystem._rmc                 C  0   |  |}z| j| jW S  ty   t|w rk   )r   r   modifiedrs   r0   rK   r   r   r   rz         
zMemoryFileSystem.modifiedc                 C  ry   rk   )r   r   r"   rs   r0   rK   r   r   r   r"      r{   zMemoryFileSystem.createdc                   sv   t |tr |}n	 fdd|D } j|||d}t|D ]} |s(q  |r3 | q  | q d S )Nc                   s   g | ]}  |qS r   )r   rM   r2   r   r   r(      s    z'MemoryFileSystem.rm.<locals>.<listcomp>)	recursivemaxdepth)	r   strr   expand_pathreversedexistsr>   rm_filerL   )r2   r   r}   r~   r5   rN   r   r|   r   rm   s   


zMemoryFileSystem.rm)T)F)rX   NTN)NN)FN)rb   
__module____qualname____doc__r   __annotations__r/   protocolroot_markerclassmethodr   r:   r@   rC   rH   rL   rW   rj   rp   rv   rx   rz   r"   r   r   r   r   r   r      s2   
 


@

&
r   c                      sN   e Zd ZdZd fdd	Zedd Zdd Zd	d
 Zdd Z	dd Z
  ZS )r]   zA BytesIO which can't close and works as a context manager

    Can initialise with data. Each path should only be active once at any moment.

    No need to provide fs, path if auto-committing (default)
    Nc                   sZ   t d| || _|| _tjtjd| _tjtjd| _	|r+t
 | | d d S d S )Nzopen file %stzr   )rQ   rR   fsr   r   nowr   utcr"   rz   super__init__r\   )r2   r   r   rE   ra   r   r   r     s   zMemoryFile.__init__c                 C  s
   |   jS rk   )rr   nbytesr|   r   r   r   r       s   
zMemoryFile.sizec                 C  s   | S rk   r   r|   r   r   r   	__enter__$     zMemoryFile.__enter__c                 C     d S rk   r   r|   r   r   r   close'  r   zMemoryFile.closec                 C  r   rk   r   r|   r   r   r   discard*  r   zMemoryFile.discardc                 C  s"   | | j j| j< tjtjd| _d S )Nr   )r   r   r   r   r   r   r   rz   r|   r   r   r   r`   -  s   zMemoryFile.commit)NNN)rb   r   r   r   r   propertyr    r   r   r   r`   __classcell__r   r   r   r   r]     s    

r]   )
__future__r   loggingr   r   errnor   ior   pathlibr   r   typingr	   r
   fsspecr   fsspec.implementations.localr   fsspec.utilsr   	getLoggerrQ   r   r]   r   r   r   r   <module>   s    
 ~