o
    ߗi                     @   s  d dl Z d dlmZmZ d dlmZ d dlmZmZm	Z	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)	dataclassfield)Enum)AnyDictListOptionalSequence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   c/home/ubuntu/transcripts/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__8   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/   stater0   r)   r   r   r   __setstate__L   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)r4   r   r   r   create_from_tensore   s   z#TensorProperties.create_from_tensorN)r   r   r   r   r   r   get_default_dtyper%   r   stridedr'   r(   boolr+   r)   r*   r1   r3   staticmethodTensorr7   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   r   r   r   r   r   r   r   p   s   
 
r   c                   @   s   e Zd ZdS )r   N)r   r   r   r   r   r   r   r   w   s    r   c                   @   sF   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< dS )r   Ncheckpoint_idsave_idload_id)r   r   r   r@   r
   strosPathLiker   rA   r   rB   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   r   rC   STORAGE_TYPESr   rG   r   rH   rI   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 )NrL   rP   rM   )object__setattr__r   r   )r/   rL   rM   rP   r   r   r   __init__   s
   zMetadataIndex.__init__)NN)r   r   r   r   rC   r   rM   r   r   r   r   rP   intr	   rS   r   r   r   r   r      s"   
 
r   )rD   dataclassesr   r   enumr   typingr   r   r   r   r	   r
   r   %torch.distributed.checkpoint.statefulr   __all__r   r   r   r   r   rJ   rC   STATE_DICT_TYPEr   r   r   r   r   r   r   <module>   s0    
F