o Nio@sdZddlZddlZddlZddlZddlZddlZddlZddl Z ddl Z ej jZej ddddgZddZdd Zd d Zd d ZddZedkrUejedSdS)a Replace all images in the fake directory by more compressed version. This allow to reduce size of the images in the `fake_data/` directory. Instructions: python replace_fake_images.py \ --fake_dir=/path/to/tensorflow_datasets/testing/test_data/fake_examples Nfake_dirz*path to the directory which contains filescurated_breast_imaging_ddsmcCstj|}t|}|jdks|jtjkrdS|t j s J|t t j d}t t |dd}|d;}t||}tj|}|j|dddS)zReplace the image by an new one with smaller size (uniform color). Args: filepath: path of the images to get processed RGBANzutf-8T)optimize)PILImageopennparraymodedtypebool startswithFLAGSrleninthashlibmd5encode hexdigest ones_like fromarraysave)filepath image_contentimagerelative_filepathcolorr c/home/ubuntu/.local/lib/python3.10/site-packages/tensorflow_datasets/scripts/replace_fake_images.py rewrite_image3s   r"c Cstj|dm}t|d}|j|dWdn1swYt|tj|dtjd+}t|D]\}}}|D]}tj ||}|j |tj ||dq=q6Wdn1s^wYWddSWddS1svwYdS)zRewrite the given .zip file into a new one containing compressed images. Args: root_dir: directory path which contain zip compressed file zip_filepath: path from directory to file )dirrpathNw) compression)arcname) tempfileTemporaryDirectoryzipfileZipFile extractall rewrite_dir ZIP_DEFLATEDoswalkr&joinwriterelpath) root_dir zip_filepathtemp_dirzip_filefile_dir_filesfile file_pathr r r! rewrite_zipJs. "r?c Cstj|ddq}|}|drd}n|drd}n |dr$d}nd }t|d |}|j|d Wd n1s?wYt|t|d |}|j|d ddWd n1scwYWd d SWd d S1s{wYd S)zRewrite the older .tar file into new better compressed one. Compression formats supports by this method (.tar.gz, .tgz, .tar.bz2) Args: root_dir: directory path which contain tar compressed file tar_filepath: path from directory to file fake)r#suffixgzz:gzbz2z:bz2xzz:xzr$r%Nr'T)r) recursive) r*r+lowerendswithtarfiler r.r/add)r6 tar_filepathr8tar_filepath_lowercase extensiontarr r r! rewrite_targs&    "rOcsgd}t|D]X\}}tfddtDr!tdq td|D]6}tj|}tj|d}||vrFt |q*|dkrKq*t |rVt |q*t |r`t|q*q dS) zProcess the whole directory which contains the compressed files. Args: fake_dir: path of the directory which contains all compression files )z.jpgz.jpegz.pngc3s|]}|vVqdS)Nr ).0skip_dsr6r r! szrewrite_dir..z Skipping z Processing z.npzN)r1r2any SKIP_DATASETSprintr&r3splitextrGr"r, is_zipfiler?rI is_tarfilerO)r img_ext_listr;r<r=r&file_extr rRr!r/s(     r/cCs tjdur tdttjdS)z Main script.Nz-You should specify the path of the `fake_dir`)rr ValueErrorr/)r;r r r!mains r^__main__)__doc__rr1rIr*r,absl.appabsl absl.flagsnumpyr PIL.Imagerflagsr DEFINE_stringrVr"r?rOr/r^__name__apprunr r r r!s. "