o 0i@)@sddlZddlmZddlmZmZmZmZmZm Z m Z ddl m Z ddl mZmZmZmZddlmZGdd d eZGd d d eZGd d d eZdS)N)Path)AnyCallableDictListOptionalTupleUnion)Image)check_integritydownload_and_extract_archive download_urlverify_str_arg) VisionDatasetcseZdZdZdZddddZddd d d d d dZddddZdZ   d/de e e fde de de de e de e deddffdd Zd e dejfd!d"Zdefd#d$Zd0d%d&Zd'e d(e ee fde fd)d*Zde fd+d,Zdefd-d.ZZS)1_LFWzlfw-pyz http://vis-www.cs.umass.edu/lfw/)lfwzlfw.tgz a17d05bd522c52d84eca14327a23d494) lfw_funneledzlfw-funneled.tgz 1b42dfed7d15c9b2dd63d5e5840c86ad)zlfw-deepfunneledzlfw-deepfunneled.tgz 68331da3eb755a505a502b5aacb3c201)originalfunneled deepfunneled 9f1ba174e4e1c508ff7cdf10ac338a7d 5132f7440eb68cf58910c8a45a2ac10b 4f27cbf15b2da4a85c1907eb4181ad21 450f0863dd89e85e73936a6d71a3474b e4bf5be0a43b5dcd9dc5ccfcb8fb19c5 54eaac34beb6d042ed3a7d883e247a21 a6d0a479bd074669f656265a6e693f6d)z pairs.txtzpairsDevTest.txtzpairsDevTrain.txtz people.txtzpeopleDevTest.txtzpeopleDevTrain.txt lfw-names.txtDevTrainDevTest10foldtraintestr!NFrootsplit image_setview transformtarget_transformdownloadreturnc stjtj||j||dt|d|j |_ |j|j \}|_ |_ t|dddg|_ t|dgd|_|j |j|jd|_g|_|rR||sZtd tj|j||_dS) N)r-r.r+r,peoplepairsr*r%z.txtzHDataset not found or corrupted. 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If dataset is already downloaded, it is not downloaded again. r&rNFr)r*r+r-r.r/r0c s6t|||d|||||_|\|_|_dS)Nr1)r3r4 _get_classes class_to_idx _get_peopler@targetsrDr)r*r+r-r.r/rErGrHr4ss zLFWPeople.__init__cCsgg}}ttj|j|jn}|}|jdkr"t|ddfnd\}}t |D]I}t||}dd||d||dD} ||d7}t | D]%\} \} } t dt| dD]} | | | }| || |j | q\qMq*Wd||fS1swY||fS)Nr&rr )r rcSg|] }|dqS stripr*.0linerGrGrH z)LFWPeople._get_people..)rKr5r6r7r)r? readlinesr*r[range enumerater\appendri)rDr@rkrMlinesn_foldssfoldn_linesr1irWnum_imgsnumrNrGrGrHrjs( "  "    zLFWPeople._get_peoplecCsbttj|j|j}|}dd|D}Wdn1s!wYddt|D}|S)NcSsg|] }|dqS)rrprrrGrGrHrusz*LFWPeople._get_classes..cSsi|]\}}||qSrGrG)rsrnamerGrGrH sz*LFWPeople._get_classes..)rKr5r6r7r)rQrwry)rDrMr{rQrirGrGrHrhs zLFWPeople._get_classesindexcCsJ||j|}|j|}|jdur||}|jdur!||}||fS)z Args: index (int): Index Returns: tuple: Tuple (image, target) where target is the identity of the person. 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