o
    h                     @   s  d dl Z d dlmZ d dlmZmZ d dlmZ d dlm	Z	m
Z
mZ d dlZd dlmZ g dZeG dd	 d	ZG d
d deZeG dd dZeG dd dZeG dd dZeeef Zeeeee	f f ZeG dd dZeG dd dZeddG dd dZdS )    N)Sequence)	dataclassfield)Enum)AnyOptionalUnion)	StatefulT)ChunkStorageMetadataTensorStorageMetadataBytesStorageMetadataMetadataMetadataIndexTensorPropertiesStorageMetac                   @   s&   e Zd ZU dZejed< ejed< dS )r
   zo
    Each chunk is expected to have the same properties of the TensorStorageMetadata
    that includes it.
    offsetssizesN)__name__
__module____qualname____doc__torchSize__annotations__ r   r   y/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/torch/distributed/checkpoint/metadata.pyr
      s   
 
r
   c                   @   s   e Zd ZdZdZdZdZdS )_MEM_FORMAT_ENCODINGz'Describe the memory format of a tensor.r         N)r   r   r   r   TORCH_CONTIGUOUS_FORMATTORCH_CHANNELS_LASTTORCH_PRESERVE_FORMATr   r   r   r   r   "   s
    r   c                   @   s   e Zd ZU dZeejdZejed< eej	dZ
ej
ed< dZeed< eejdZejed< dZeed	< d
d Zdd Zedejdd fddZdS )r   z)Properties used to create :class:`Tensor`default_factorydtype)defaultlayoutFrequires_gradmemory_format
pin_memoryc                 C   s`   | j }|tjkrtj}n|tjkrtj}n|tjkrtj}nt	d| | j
| j| j|| jfS )NzInvalid torch.memory_format: )r(   r   contiguous_formatr   r   channels_lastr    preserve_formatr!   RuntimeErrorr$   r&   r'   r)   )selfr(   mem_format_encodingr   r   r   __getstate__9   s   


zTensorProperties.__getstate__c                 C   sd   |\| _ | _| _}| _|tjkrtj}n|tjkrtj	}n|tj
kr&tj}ntd| || _d S )Nz&Invalid torch.memory_format encoding: )r$   r&   r'   r)   r   r   r   r*   r    r+   r!   r,   r-   r(   )r.   stater/   r(   r   r   r   __setstate__M   s"   




zTensorProperties.__setstate__tensorreturnc                 C   s   t | j| j| jtj|  dS )N)r$   r&   r'   r(   r)   )r   r$   r&   r'   r   r*   	is_pinned)r3   r   r   r   create_from_tensorf   s   z#TensorProperties.create_from_tensorN)r   r   r   r   r   r   get_default_dtyper$   r   stridedr&   r'   boolr*   r(   r)   r0   r2   staticmethodTensorr6   r   r   r   r   r   *   s   
 r   c                   @   s,   e Zd ZU eed< ejed< ee ed< dS )r   
propertiessizechunksN)	r   r   r   r   r   r   r   listr
   r   r   r   r   r   q   s   
 
r   c                   @   s   e Zd ZdS )r   N)r   r   r   r   r   r   r   r   x   s    r   c                   @   s\   e Zd ZU dZeeejdf ed< dZ	e
e ed< dZe
e ed< eedZee ed< dS )r   Ncheckpoint_idsave_idload_idr"   modules)r   r   r   r@   r   strosPathLiker   rA   r   rB   r   r?   rC   r   r   r   r   r      s
   
 r   c                   @   sJ   e Zd ZU dZeeef ed< dZe	ed< dZ
e	ed< dZee ed< dS )r   z5This class represents the metadata of the checkpoint.state_dict_metadataNplanner_datastorage_datastorage_meta)r   r   r   r   dictrD   STORAGE_TYPESr   rH   r   rI   rJ   r   r   r   r   r   r   r      s   
 r   T)frozenc                   @   st   e Zd ZU dZeed< 	 dZeej	 ed< 	 e
ddddZee ed< 	 		d
dedeee  dee fdd	ZdS )r   zIThis class represents a lookup key for items in a state dict or Metadata.fqnNoffsetF)hashcomparer%   indexc                 C   s@   t | d| t | d| |d urt | dt| d S d S )NrN   rR   rO   )object__setattr__r   r   )r.   rN   rO   rR   r   r   r   __init__   s
   zMetadataIndex.__init__)NN)r   r   r   r   rD   r   rO   r   r   r   r   rR   intr   rU   r   r   r   r   r      s"   
 
r   )rE   collections.abcr   dataclassesr   r   enumr   typingr   r   r   r   %torch.distributed.checkpoint.statefulr	   __all__r
   r   r   r   r   rL   rK   rD   STATE_DICT_TYPEr   r   r   r   r   r   r   <module>   s2   
F