o
    ^i*>                     @   s  U d dl Z d dlZd dlZd dlZd dlZd dlZd dlZd dlZd dlZd dl	Z	d dl
Z	d dlZ	d dlZd dlmZ d dlmZmZmZmZmZmZ d dlmZ d dlZd dlZd dlmZ ddlmZmZ dZ d]d
e!dee!ej"f de#ddfddZ$d^dee!ej"f de#de!fddZ%dee!ej"f de!dede&fddZ'd_dee!ej"f dee! de&fddZ(d`d
e!de#de!fddZ)d
e!dee! fddZ*			dad
e!d ee!ej"f deee!ej"f  dee! d!e#ddfd"d#Z+dbd ee!ej"f d%e&de,e! fd&d'Z-dbd ee!ej"f d(e!d%e&de,e! fd)d*Z.		dcd+e!d ee!ej"f deee!ej"f  dee! fd,d-Z/d.ee!ej"f d/ee!ej"f d0ee! ddfd1d2Z0ej1ej2d3Z3e4e!e#f e5d4< d.ee!ej"f d/ee!ej"f d0ee! ddfd5d6Z6e0e6d7Z7e4e!eee!ej"f ee!ej"f ee! gdf f e5d8< e j8ej8ej8d9Z9e4e!ed:ef f e5d;< d<d<d=d>Z:e4e!e;ee! ee! f f e5d?< d@ee!ej"f de;e!ee! ee! f fdAdBZ<		$ddd.ee!ej"f d/eee!ej"f  dCe&dej"fdDdEZ=		$ddd.ee!ej"f d/eee!ej"f  dCe&dee!ej"f fdFdGZ>				$ded
e!dHee!ej"f dIeee!ej"f  deee!ej"f  dee! dCe&ddfdJdKZ?dLede!fdMdNZ@edOe!eAZB			dfdPeBdQee! dReeeB  dSee! deBf
dTdUZCdgdVee!ej"f dWe#dejDfdXdYZEdZejFdejFfd[d\ZGdS )h    N)Iterable)AnyCallableIOOptionalTypeVarUnion)urlparse)tqdm   )#_download_file_from_remote_location_is_remote_location_availablezpytorch/vision   urlfilename
chunk_sizereturnc              
   C   s   t jt jj| dtidX}t|d:}t|jddd"}|| }r8|	| |
t| || }s%W d    n1 sBw   Y  W d    n1 sQw   Y  W d    d S W d    d S 1 siw   Y  d S )N
User-AgentheaderswbBT)totalunit
unit_scale)urllibrequesturlopenRequest
USER_AGENTopenr
   lengthreadwriteupdatelen)r   r   r   responsefhpbarchunk r*   U/var/www/html/RAG/RAG_venv/lib/python3.10/site-packages/torchvision/datasets/utils.py_urlretrieve   s   
 "r,      fpathc                 C   s~   t jdd}t| d(}|| }r)|| || }sW d    | S W d    | S 1 s6w   Y  | S )NF)usedforsecurityrb)hashlibmd5r    r"   r$   	hexdigest)r.   r   r2   fr)   r*   r*   r+   calculate_md5#   s   


r5   r2   kwargsc                 K   s   |t | fi |kS N)r5   )r.   r2   r6   r*   r*   r+   	check_md5.   s   r8   c                 C   s&   t j| sdS |d u rdS t| |S )NFT)ospathisfiler8   )r.   r2   r*   r*   r+   check_integrity2   s
   
r<      max_hopsc              	   C   s   | }dt d}t|d D ]6}tjtjj| |d }|j| ks&|jd u r1| W  d      S |j} W d    n1 s>w   Y  qtd| d| d|  d)	NHEAD)Methodr      r   zRequest to z
 exceeded z( redirects. The last redirect points to .)r   ranger   r   r   r   r   RecursionError)r   r>   initial_urlr   _r&   r*   r*   r+   _get_redirect_url:   s   
rG   c                 C   sB   t | }td|jd u rd S td|j}|d u rd S |dS )Nz(drive|docs)[.]google[.]comz/file/d/(?P<id>[^/]*)id)r	   rematchnetlocr:   group)r   partsrJ   r*   r*   r+   _get_google_drive_file_idJ   s   
rN   rootmax_redirect_hopsc              
   C   s  t j|}|st j| }t t j||}t j|dd t||r&dS t r/t	||  nIt
| |d} t| }|durDt||||S zt| | W n, tjjtfyw } z| dd dkrk| dd} t| | n|W Y d}~nd}~ww t||std	dS )
a  Download a file from a url and place it in root.

    Args:
        url (str): URL to download file from
        root (str): Directory to place downloaded file in
        filename (str, optional): Name to save the file under. If None, use the basename of the URL
        md5 (str, optional): MD5 checksum of the download. If None, do not check
        max_redirect_hops (int, optional): Maximum number of redirect hops allowed
    Texist_okN)r>      httpszhttps:zhttp:File not found or corrupted.)r9   r:   
expanduserbasenamefspathjoinmakedirsr<   r   r   rG   rN   download_file_from_google_driver,   r   errorURLErrorOSErrorreplaceRuntimeError)r   rO   r   r2   rP   r.   file_ider*   r*   r+   download_urlW   s4   

rc   Fprefixc                    sB   t j   fddt  D }|du r fdd|D }|S )a  List all directories at a given root

    Args:
        root (str): Path to directory whose folders need to be listed
        prefix (bool, optional): If true, prepends the path to each result, otherwise
            only returns the name of the directories found
    c                    s&   g | ]}t jt j |r|qS r*   )r9   r:   isdirrY   .0prO   r*   r+   
<listcomp>   s   & zlist_dir.<locals>.<listcomp>Tc                       g | ]	}t j |qS r*   r9   r:   rY   rg   dri   r*   r+   rj          r9   r:   rV   listdir)rO   rd   directoriesr*   ri   r+   list_dir   s
   rs   suffixc                    sD   t j   fddt  D }|du r  fdd|D }|S )a  List all files ending with a suffix at a given root

    Args:
        root (str): Path to directory whose folders need to be listed
        suffix (str or tuple): Suffix of the files to match, e.g. '.png' or ('.jpg', '.png').
            It uses the Python "str.endswith" method and is passed directly
        prefix (bool, optional): If true, prepends the path to each result, otherwise
            only returns the name of the files found
    c                    s0   g | ]}t jt j |r|r|qS r*   )r9   r:   r;   rY   endswithrf   rO   rt   r*   r+   rj      s   0 zlist_files.<locals>.<listcomp>Tc                    rk   r*   rl   rm   ri   r*   r+   rj      ro   rp   )rO   rt   rd   filesr*   rv   r+   
list_files   s
   
rx   ra   c                 C   s   zddl }W n ty   tdw tj|}|s| }ttj||}tj|dd t	||r4dS |j
| |dtd t	||sFtddS )	af  Download a Google Drive file from  and place it in root.

    Args:
        file_id (str): id of file to be downloaded
        root (str): Directory to place downloaded file in
        filename (str, optional): Name to save the file under. If None, use the id of the file.
        md5 (str, optional): MD5 checksum of the download. If None, do not check
    r   Nz`To download files from GDrive, 'gdown' is required. You can install it with 'pip install gdown'.TrQ   F)rH   outputquiet
user_agentrU   )gdownModuleNotFoundErrorr`   r9   r:   rV   rX   rY   rZ   r<   downloadr   )ra   rO   r   r2   r|   r.   r*   r*   r+   r[      s$   

r[   	from_pathto_pathcompressionc                 C   sR   t | |rd|dd   nd}|| W d    d S 1 s"w   Y  d S )Nzr:rA   r)tarfiler    
extractall)r   r   r   tarr*   r*   r+   _extract_tar   s   $"r   ).bz2.xz_ZIP_COMPRESSION_MAPc                 C   sN   t j| d|r
t| nt jd}|| W d    d S 1 s w   Y  d S )Nr   )r   )zipfileZipFiler   
ZIP_STOREDr   )r   r   r   zipr*   r*   r+   _extract_zip   s   "r   ).tarz.zip_ARCHIVE_EXTRACTORS)r   .gzr   ._COMPRESSED_FILE_OPENERS)r   r   )r   r   )z.tbzz.tbz2z.tgz_FILE_TYPE_ALIASESfilec                 C   s   t | j}|std|  d|d }|tv r |gt| R S |tv r)||dfS |tv rGt|dkrB|d }|tv rB|| ||fS |d|fS tt	tt	tB t	tB }td| d| d	)
a  Detect the archive type and/or compression of a file.

    Args:
        file (str): the filename

    Returns:
        (tuple): tuple of suffix, archive type, and compression

    Raises:
        RuntimeError: if file has no suffix or suffix is not supported
    zFile 'zP' has no suffixes that could be used to detect the archive type and compression.NrA   z&Unknown compression or archive type: 'z'.
Known suffixes are: 'z'.)
pathlibPathsuffixesr`   r   r   r   r%   sortedset)r   r   rt   suffix2valid_suffixesr*   r*   r+   _detect_file_type   s$   


r   remove_finishedc           	   	   C   s   t | \}}}|std| d|du r'tt| ||dur#|nd}t| }|| d$}t|d}|	|
  W d   n1 sHw   Y  W d   n1 sWw   Y  |rct|  t|S )a  Decompress a file.

    The compression is automatically detected from the file name.

    Args:
        from_path (str): Path to the file to be decompressed.
        to_path (str): Path to the decompressed file. If omitted, ``from_path`` without compression extension is used.
        remove_finished (bool): If ``True``, remove the file after the extraction.

    Returns:
        (str): Path to the decompressed file.
    z*Couldn't detect a compression from suffix rB   N r0   r   )r   r`   r   r   r9   rX   r_   r   r    r#   r"   remove)	r   r   r   rt   archive_typer   compressed_file_openerrfhwfhr*   r*   r+   _decompress"  s   $ 

r   c           	   	      s   dt jdttt jf f fdd}|du rtj }t \}}}|s<t tj	|tj
 |d|d}||S t| }| || |rMt  |t |S )aD  Extract an archive.

    The archive type and a possible compression is automatically detected from the file name. If the file is compressed
    but not an archive the call is dispatched to :func:`decompress`.

    Args:
        from_path (str): Path to the file to be extracted.
        to_path (str): Path to the directory the file will be extracted to. If omitted, the directory of the file is
            used.
        remove_finished (bool): If ``True``, remove the file after the extraction.

    Returns:
        (str): Path to the directory the file was extracted to.
    ret_pathr   c                    s   t  tr
t| S | S r7   )
isinstancestrr9   rX   )r   r   r*   r+   path_or_strZ  s   

z$extract_archive.<locals>.path_or_strNr   )r   )r   r   r   r   r9   r:   dirnamer   r   rY   rW   r_   r   r   )	r   r   r   r   rt   r   r   r   	extractorr*   r   r+   extract_archiveF  s    "
r   download_rootextract_rootc                 C   sT   t j|}|d u r|}|st j| }t| ||| t j||}t||| d S r7   )r9   r:   rV   rW   rc   rY   r   )r   r   r   r   r2   r   archiver*   r*   r+   download_and_extract_archivev  s   r   iterablec                 C   s   dd dd | D  d S )N'z', 'c                 S   s   g | ]}t |qS r*   )r   )rg   itemr*   r*   r+   rj     s    z#iterable_to_str.<locals>.<listcomp>)rY   )r   r*   r*   r+   iterable_to_str  s   r   Tvalueargvalid_values
custom_msgc                 C   s   t | ts|d u rd}nd}|jt| |d}t||d u r!| S | |vr?|d ur/|}t|d}|j| |t|d}t|| S )Nz'Expected type str, but got type {type}.z:Expected type str for argument {arg}, but got type {type}.)typer   zPUnknown value '{value}' for argument {arg}. Valid values are {{{valid_values}}}.)r   r   r   )r   r   formatr   
ValueErrorr   )r   r   r   r   msgr*   r*   r+   verify_str_arg  s    
r   	file_nameslice_channelsc                 C   s  t | dL}|  }|dvrtdtd| }|s"tddd | D \}}t|  }|dk r?d	}| }nd
}t	j
||d d}	W d   n1 sTw   Y  |dkr_dnd}
|	|||
ddd}	t	j|	dd}	|	d|ddddf }	|	t	jS )aD  Read file in .pfm format. Might contain either 1 or 3 channels of data.

    Args:
        file_name (str): Path to the file.
        slice_channels (int): Number of channels to slice out of the file.
            Useful for reading different data formats stored in .pfm files: Optical Flows, Stereo Disparity Maps, etc.
    r0   )   PFs   PfzInvalid PFM files   ^(\d+)\s(\d+)\s$zMalformed PFM header.c                 s   s    | ]}t |V  qd S r7   )int)rg   dimr*   r*   r+   	<genexpr>  s    z_read_pfm.<locals>.<genexpr>r   <>r4   )dtypeNr   r=   rA   r   )axis)r    readlinerstripr   rI   rJ   	Exceptiongroupsfloatnpfromfilereshape	transposeflipastypefloat32)r   r   r4   header	dim_matchwhscaleendiandatapfm_channelsr*   r*   r+   	_read_pfm  s(   	r   tc                 C   sN   |   tjjg | j|  R  djg | jd d dR  | jS )Nr   )
contiguousviewtorchuint8shapeelement_sizer   r   )r   r*   r*   r+   _flip_byte_order  s   Lr   )r   )r-   r7   )r=   )NNr=   )F)NN)NF)NNNF)NNN)r   )Hbz2gzipr1   lzmar9   os.pathr   rI   r   r   urllib.errorurllib.requestr   collections.abcr   typingr   r   r   r   r   r   urllib.parser	   numpyr   r   torch.utils.model_zoor
   _internally_replaced_utilsr   r   r   r   r   r   r,   r5   boolr8   r<   rG   rN   rc   listrs   rx   r[   r   	ZIP_BZIP2ZIP_LZMAr   dict__annotations__r   r   r    r   r   tupler   r   r   r   r   bytesr   r   ndarrayr   Tensorr   r*   r*   r*   r+   <module>   s(  
  &"$&
&5*
%


<&.-
&
3


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