a  dT @sbdZddlZddlZddlmZddlmZddlmZddl m Z d d d Z Gd d d e Z dS)z 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 N) natural_key)load_class_map)get_img_extensions)ReaderTcstdd}g}g}|D]\}|s(qtj|j\}}tj|} tj|d} | |vr| || | qdurt |} t t | t d} ddt| Dfddt||D} |rt | d d d} | fS) NT)Zas_setr)keycSsi|]\}}||qSr).0idxcrrk/var/www/html/stable-diffusion-webui/venv/lib/python3.9/site-packages/timm/data/readers/reader_image_tar.py "z#extract_tarinfo..cs$g|]\}}|vr||fqSrr)r fl class_to_idxrr #rz#extract_tarinfo..cSst|djSNr)rpath)krrr %rz!extract_tarinfo..)r getmembersisfileosrsplitbasenamesplitextlowerappendsetlistsortedr enumeratezip)tarfilersort extensionsfileslabelsZtidirnamerlabelextZ unique_labelsZ sorted_labelsZtarinfo_and_targetsrrr extract_tarinfos(      r-cs<eZdZdZd fdd ZddZddZd d d ZZS)ReaderImageTarz Single tarfile dataset where classes are mapped to folders within tar NOTE: This class is being deprecated in favour of the more capable ReaderImageInTar that can operate on folders of tars or tars in tars. cstd}|rt||}tj|s,J||_t|"}t ||\|_ |_ Wdn1sd0Y|j |_ d|_dSN) super__init__rrrrrootr%openr-samplesrZimgs)selfr3 class_maprtf __class__rr r2.s   0zReaderImageTar.__init__cCs:|jdurt|j|_|j|\}}|j|}||fSr0)r%r4r3r5 extractfile)r6indextarinfotargetfileobjrrr __getitem__<s   zReaderImageTar.__getitem__cCs t|jSr0)lenr5)r6rrr __len__CszReaderImageTar.__len__FcCs$|j|dj}|r tj|}|Sr)r5namerrr)r6r<rabsolutefilenamerrr _filenameFs zReaderImageTar._filename)r/)FF) __name__ __module__ __qualname____doc__r2r@rBrF __classcell__rrr9r r.)s r.)NT) rJrr%Ztimm.utils.miscrr7rZimg_extensionsrreaderrr-r.rrrr s