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                     @   s\   d dl Z d dlmZ d dlmZmZmZmZ ddlm	Z	m
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ZdS )	    N)Path)AnyCallableOptionalUnion   )default_loaderImageFolder)download_and_extract_archivec                       s~   e Zd ZdZdddefeeef ee	 ee	 e
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dZddddZ  ZS )EuroSATal  RGB version of the `EuroSAT <https://github.com/phelber/eurosat>`_ Dataset.

    For the MS version of the dataset, see
    `TorchGeo <https://torchgeo.readthedocs.io/en/stable/api/datasets.html#eurosat>`__.

    Args:
        root (str or ``pathlib.Path``): Root directory of dataset where ``root/eurosat`` exists.
        transform (callable, optional): A function/transform that takes in a PIL image or torch.Tensor, depends on the given loader,
            and returns a transformed version. E.g, ``transforms.RandomCrop``
        target_transform (callable, optional): A function/transform that takes in the
            target and transforms it.
        download (bool, optional): If True, downloads the dataset from the internet and
            puts it in root directory. If dataset is already downloaded, it is not
            downloaded again. Default is False.
        loader (callable, optional): A function to load an image given its path.
            By default, it uses PIL as its image loader, but users could also pass in
            ``torchvision.io.decode_image`` for decoding image data into tensors directly.
    NF)root	transformtarget_transformdownloadloaderreturnc                    sv   t j|| _t j| jd| _t j| jd| _|r>|   |  sNt	dt
 j| j|||d t j|| _d S )NZeurosatZ2750z;Dataset not found. You can use download=True to download it)r   r   r   )ospath
expanduserr   join_base_folder_data_folderr   _check_existsRuntimeErrorsuper__init__)selfr   r   r   r   r   	__class__ J/var/www/auris/lib/python3.9/site-packages/torchvision/datasets/eurosat.pyr      s    zEuroSAT.__init__)r   c                 C   s
   t | jS N)lenZsamplesr   r   r   r    __len__7   s    zEuroSAT.__len__c                 C   s   t j| jS r!   )r   r   existsr   r#   r   r   r    r   :   s    zEuroSAT._check_existsc                 C   s0   |   rd S tj| jdd td| jdd d S )NT)exist_okzmhttps://huggingface.co/datasets/torchgeo/eurosat/resolve/c877bcd43f099cd0196738f714544e355477f3fd/EuroSAT.zipZ c8fa014336c82ac7804f0398fcb19387)Zdownload_rootmd5)r   r   makedirsr   r
   r#   r   r   r    r   =   s    zEuroSAT.download)__name__
__module____qualname____doc__r   r   strr   r   r   boolr   r   intr$   r   r   __classcell__r   r   r   r    r   	   s    
r   )r   pathlibr   typingr   r   r   r   folderr   r	   utilsr
   r   r   r   r   r    <module>   s
   