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    Dêñiù  ã                   ót   — 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
 ddlmZ  G d„ de«      Z G d	„ d
e«      Zy)é    N)ÚPath)ÚAnyÚCallableÚOptionalÚUnion)ÚImageé   )ÚVisionDatasetc                   óÀ   ‡ — e Zd ZdZ	 	 	 ddeeef   dedee   dee   dee   ddfˆ fd	„Z	d
e
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e
dee   fd„Zde
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fd„Zˆ xZS )ÚCocoDetectionah  `MS Coco Detection <https://cocodataset.org/#detection-2016>`_ Dataset.

    It requires `pycocotools <https://github.com/ppwwyyxx/cocoapi>`_ to be installed,
    which could be installed via ``pip install pycocotools`` or ``conda install conda-forge::pycocotools``.

    Args:
        root (str or ``pathlib.Path``): Root directory where images are downloaded to.
        annFile (string): Path to json annotation file.
        transform (callable, optional): A function/transform that takes in a PIL image
            and returns a transformed version. E.g, ``transforms.PILToTensor``
        target_transform (callable, optional): A function/transform that takes in the
            target and transforms it.
        transforms (callable, optional): A function/transform that takes input sample and its target as entry
            and returns a transformed version.
    NÚrootÚannFileÚ	transformÚtarget_transformÚ
transformsÚreturnc                 óÆ   •— t         ‰| �  ||||«       ddlm}  ||«      | _        t        t        | j                  j                  j                  «       «      «      | _	        y )Nr   )ÚCOCO)
ÚsuperÚ__init__Úpycocotools.cocor   ÚcocoÚlistÚsortedÚimgsÚkeysÚids)Úselfr   r   r   r   r   r   Ú	__class__s          €ú[/var/www/pod-logistic/pod-ai/venv/lib/python3.12/site-packages/torchvision/datasets/coco.pyr   zCocoDetection.__init__   sI   ø€ ô 	‰Ñ˜˜z¨9Ð6FÔGÝ)á˜“MˆŒ	Üœ˜tŸy™yŸ~™~×2Ñ2Ó4Ó5Ó6ˆ�ó    Úidc                 óÜ   — | j                   j                  |«      d   d   }t        j                  t        j
                  j                  | j                  |«      «      j                  d«      S )Nr   Ú	file_nameÚRGB)	r   ÚloadImgsr   ÚopenÚosÚpathÚjoinr   Úconvert)r   r"   r)   s      r    Ú_load_imagezCocoDetection._load_image)   sM   € Ø�y‰y×!Ñ! "Ó% aÑ(¨Ñ5ˆÜ�z‰zœ"Ÿ'™'Ÿ,™, t§y¡y°$Ó7Ó8×@Ñ@ÀÓGÐGr!   c                 ój   — | j                   j                  | j                   j                  |«      «      S ©N)r   ÚloadAnnsÚ	getAnnIds)r   r"   s     r    Ú_load_targetzCocoDetection._load_target-   s&   € Ø�y‰y×!Ñ! $§)¡)×"5Ñ"5°bÓ"9Ó:Ð:r!   Úindexc                 óþ   — t        |t        «      st        dt        |«      › d�«      ‚| j                  |   }| j                  |«      }| j                  |«      }| j                  �| j                  ||«      \  }}||fS )Nz#Index must be of type integer, got z	 instead.)Ú
isinstanceÚintÚ
ValueErrorÚtyper   r,   r1   r   )r   r2   r"   ÚimageÚtargets        r    Ú__getitem__zCocoDetection.__getitem__0   sz   € ä˜%¤Ô%ÜÐBÄ4ÈÃ;À-ÈyÐYÓZÐZà�X‰X�e‰_ˆØ× Ñ  Ó$ˆØ×"Ñ" 2Ó&ˆà�?‰?Ð&Ø ŸO™O¨E°6Ó:‰MˆE�6à�fˆ}Ðr!   c                 ó,   — t        | j                  «      S r.   )Úlenr   )r   s    r    Ú__len__zCocoDetection.__len__>   s   € Ü�4—8‘8‹}Ðr!   )NNN)Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   Ústrr   r   r   r   r5   r   r,   r   r   r1   Útupler:   r=   Ú__classcell__©r   s   @r    r   r   
   sÂ   ø„ ñð( )-Ø/3Ø)-ñ7à�C˜�IÑð7ð ð7ð ˜HÑ%ð	7ð
 # 8Ñ,ð7ð ˜XÑ&ð7ð 
õ7ðH˜cð H e§k¡kó Hð;˜sð ; t¨C¡yó ;ð ð ¨¨s°C¨x©ó ð˜÷ r!   r   c                   ó2   ‡ — e Zd ZdZdedee   fˆ fd„Zˆ xZS )ÚCocoCaptionsa[  `MS Coco Captions <https://cocodataset.org/#captions-2015>`_ Dataset.

    It requires `pycocotools <https://github.com/ppwwyyxx/cocoapi>`_ to be installed,
    which could be installed via ``pip install pycocotools`` or ``conda install conda-forge::pycocotools``.

    Args:
        root (str or ``pathlib.Path``): Root directory where images are downloaded to.
        annFile (string): Path to json annotation file.
        transform (callable, optional): A function/transform that  takes in a PIL image
            and returns a transformed version. E.g, ``transforms.PILToTensor``
        target_transform (callable, optional): A function/transform that takes in the
            target and transforms it.
        transforms (callable, optional): A function/transform that takes input sample and its target as entry
            and returns a transformed version.

    Example:

        .. code:: python

            import torchvision.datasets as dset
            import torchvision.transforms as transforms
            cap = dset.CocoCaptions(root = 'dir where images are',
                                    annFile = 'json annotation file',
                                    transform=transforms.PILToTensor())

            print('Number of samples: ', len(cap))
            img, target = cap[3] # load 4th sample

            print("Image Size: ", img.size())
            print(target)

        Output: ::

            Number of samples: 82783
            Image Size: (3L, 427L, 640L)
            [u'A plane emitting smoke stream flying over a mountain.',
            u'A plane darts across a bright blue sky behind a mountain covered in snow',
            u'A plane leaves a contrail above the snowy mountain top.',
            u'A mountain that has a plane flying overheard in the distance.',
            u'A mountain view with a plume of smoke in the background']

    r"   r   c                 óN   •— t         ‰| �  |«      D �cg c]  }|d   ‘Œ	 c}S c c}w )NÚcaption)r   r1   )r   r"   Úannr   s      €r    r1   zCocoCaptions._load_targetn   s%   ø€ Ü*/©'Ñ*>¸rÓ*BÖC 3��I“ÒCÐCùÒCs   “")	r>   r?   r@   rA   r5   r   rB   r1   rD   rE   s   @r    rG   rG   B   s)   ø„ ñ)ðVD˜sð D t¨C¡y÷ Dñ Dr!   rG   )Úos.pathr(   Úpathlibr   Útypingr   r   r   r   ÚPILr   Úvisionr
   r   rG   © r!   r    ú<module>rQ      s2   ðÛ Ý ß 1Ó 1å å !ô5�Mô 5ôp-D�=õ -Dr!   