Ë
    éÓ^jT
  ã                   óf   — d Z ddlZddlZddlmZ ddlmZ ddlmZ ddl	m
Z
 dd„Z G d	„ d
e
«      Zy)zü A dataset reader that reads single tarfile based datasets

This reader can read datasets consisting if a single tarfile containing images.
I am planning to deprecated it in favour of ParerImageInTar.

Hacked together by / Copyright 2020 Ross Wightman
é    N)Únatural_keyé   )Úload_class_map)Úget_img_extensions)ÚReaderc                 óÎ  — t        d¬«      }g }g } | j                  «       D ]µ  }|j                  «       sŒt        j                  j                  |j                  «      \  }}t        j                  j                  |«      }	t        j                  j                  |«      d   }
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j                  «       |v sŒ”|j                  |«       |j                  |	«       Œ· |€Ct        |«      }t        t        |t        ¬«      «      }t        |«      D ��ci c]  \  }}||“Œ
 }}}t        ||«      D ��cg c]  \  }}||v sŒ|||   f‘Œ }}}|rt        |d„ ¬«      }||fS c c}}w c c}}w )NT)Úas_setr   )Úkeyc                 ó2   — t        | d   j                  «      S ©Nr   )r   Úpath)Úks    úm/var/www/ramen.bs-engineer-server.com/venv/lib/python3.12/site-packages/timm/data/readers/reader_image_tar.pyú<lambda>z!extract_tarinfo.<locals>.<lambda>%   s   € ÌÐTUÐVWÑTX×T]ÑT]ÓH^€ ó    )r   Ú
getmembersÚisfileÚosr   ÚsplitÚbasenameÚsplitextÚlowerÚappendÚsetÚlistÚsortedr   Ú	enumerateÚzip)ÚtarfileÚclass_to_idxÚsortÚ
extensionsÚfilesÚlabelsÚtiÚdirnamer   ÚlabelÚextÚunique_labelsÚsorted_labelsÚidxÚcÚfÚlÚtarinfo_and_targetss                     r   Úextract_tarinfor0      sC  € Ü#¨4Ô0€JØ€EØ€FØ ˆg× Ñ Ó"ò !ˆØ�y‰yŒ{ØÜŸG™GŸM™M¨"¯'©'Ó2Ñˆ�Ü—‘× Ñ  Ó)ˆÜ�g‰g×Ñ˜xÓ(¨Ñ+ˆØ�9‰9‹;˜*Ò$Ø�L‰L˜ÔØ�M‰M˜%Õ ð!ð ÐÜ˜F›ˆÜœV M´{ÔCÓDˆÜ-6°}Ó-E×F¡6 3¨˜˜3™ÐFˆÑFÜ<?ÀÀvÓ<N×d±D°A°qÐRSÐWcÒRc˜A˜|¨A™Ò/ÐdÐÑdÙÜ$Ð%8Ñ>^Ô_ÐØ Ð,Ð,ùó	 GùÛds   ÄEÄ.E!Ä;	E!c                   ó8   ‡ — e Zd ZdZdˆ fd„	Zd„ Zd„ Zdd„Zˆ xZS )ÚReaderImageTarzÜ Single tarfile dataset where classes are mapped to folders within tar
    NOTE: This class is being deprecated in favour of the more capable ReaderImageInTar that can
    operate on folders of tars or tars in tars.
    c                 óH  •— t         ‰| �  «        d }|rt        ||«      }t        j                  j                  |«      sJ ‚|| _        t        j                  |«      5 }t        ||«      \  | _
        | _        d d d «       | j                  | _        d | _        y # 1 sw Y   Œ"xY w©N)ÚsuperÚ__init__r   r   r   r   Úrootr   Úopenr0   Úsamplesr    Úimgs)Úselfr7   Ú	class_mapr    ÚtfÚ	__class__s        €r   r6   zReaderImageTar.__init__.   sŽ   ø€ Ü‰ÑÔàˆÙÜ)¨)°TÓ:ˆLÜ�w‰w�~‰~˜dÔ#Ð#Ð#ØˆŒ	ä�\‰\˜$Óð 	P 2Ü.=¸bÀ,Ó.OÑ+ˆDŒL˜$Ô+÷	Pà—L‘LˆŒ	Øˆ�÷	Pð 	Pús   ÁBÂB!c                 óÄ   — | j                   €$t        j                  | j                  «      | _         | j                  |   \  }}| j                   j	                  |«      }||fS r4   )r   r8   r7   r9   Úextractfile)r;   ÚindexÚtarinfoÚtargetÚfileobjs        r   Ú__getitem__zReaderImageTar.__getitem__<   sP   € Ø�<‰<ÐÜ"Ÿ<™<¨¯	©	Ó2ˆDŒLØŸ,™, uÑ-‰ˆ�Ø—,‘,×*Ñ*¨7Ó3ˆØ˜ˆÐr   c                 ó,   — t        | j                  «      S r4   )Úlenr9   )r;   s    r   Ú__len__zReaderImageTar.__len__C   s   € Ü�4—<‘<Ó Ð r   c                 ó€   — | j                   |   d   j                  }|rt        j                  j	                  |«      }|S r   )r9   Únamer   r   r   )r;   rA   r   ÚabsoluteÚfilenames        r   Ú	_filenamezReaderImageTar._filenameF   s7   € Ø—<‘< Ñ& qÑ)×.Ñ.ˆÙÜ—w‘w×'Ñ'¨Ó1ˆHØˆr   )Ú )FF)	Ú__name__Ú
__module__Ú__qualname__Ú__doc__r6   rE   rH   rM   Ú__classcell__)r>   s   @r   r2   r2   )   s   ø„ ñõòò!÷r   r2   )NT)rR   r   r   Útimm.utils.miscr   r<   r   Úimg_extensionsr   Úreaderr   r0   r2   © r   r   ú<module>rX      s/   ðñó 
Û å 'å %Ý .Ý ó-ô.!�Võ !r   