o
    e}                     @   s|   d Z ddlmZmZ edg dZedg dZdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd ZdS )z
Helper function for returning the field information that is associated
with a model class. This includes returning all the forward and reverse
relationships and their associated metadata.

Usage: `get_field_info(model)` returns a `FieldInfo` instance.
    )OrderedDict
namedtupleFieldResult)pkfieldsforward_relationsreverse_relationsfields_and_pk	relationsRelationInfomodel_fieldrelated_modelto_manyto_fieldhas_through_modelreversec                 C   sP   | j jj }t|}t|}t|}t|}t||}t||}t||||||S )z
    Given a model class, returns a `FieldInfo` instance, which is a
    `namedtuple`, containing metadata about the various field types on the model
    including information about their relationships.
    )	_metaconcrete_model_get_pk_get_fields_get_forward_relationships_get_reverse_relationships_merge_fields_and_pk_merge_relationships	FieldInfo)modeloptsr   r   r   r   r	   relationships r   R/var/www/html/venv/lib/python3.10/site-packages/rest_framework/utils/model_meta.pyget_field_info   s   



r!   c                 C   s6   | j }|j}|r|jr|jjjj }|j}|r|js|S N)r   remote_fieldparent_linkr   r   )r   r   relr   r   r    r   0   s   

r   c                 C   s*   t  }dd | jD D ]}|||j< q|S )Nc                 S   s   g | ]
}|j r|js|qS r   	serializer#   .0fieldr   r   r    
<listcomp>>       z_get_fields.<locals>.<listcomp>)r   r   name)r   r   r*   r   r   r    r   <   s   r   c                 C   s   t | dd o
| jd S )N	to_fieldsr   )getattrr.   )r*   r   r   r    _get_to_fieldD   s   r0   c              	   C   s   t  }dd | jD D ]}t||jjdt|ddd||j< qdd | jD D ]}t||jjdd|jjj	j
 dd||j< q'|S )D
    Returns an `OrderedDict` of field names to `RelationInfo`.
    c                 S   s   g | ]
}|j r|jr|qS r   r&   r(   r   r   r    r+   M   r,   z._get_forward_relationships.<locals>.<listcomp>Fr   c                 S   s   g | ]}|j r|qS r   )r'   r(   r   r   r    r+   X   s    TN)r   r   r   r#   r   r0   r-   many_to_manythroughr   auto_created)r   r   r*   r   r   r    r   H   s(   
r   c              
   C   s   t  }dd | jD }|D ]}| }td|j|jjjt|jddd||< qdd | jD }|D ]#}| }td|jddt	|jjddduoN|jjj
jj dd||< q1|S )	r1   c                 S   s   g | ]}|j js|qS r   r*   r2   r)   rr   r   r    r+   m       z._get_reverse_relationships.<locals>.<listcomp>NFTr   c                 S   s   g | ]}|j jr|qS r   r5   r6   r   r   r    r+   z   r8   r3   )r   related_objectsget_accessor_namer   r   r*   r#   multipler0   r/   r3   r   r4   )r   r   all_related_objectsrelationaccessor_name all_related_many_to_many_objectsr   r   r    r   h   s2   
r   c                 C   s&   t  }| |d< | || j< || |S )Nr   )r   r-   update)r   r   r	   r   r   r    r      s
   

r   c                 C   s   t t|  t|  S r"   )r   listitems)r   r   r   r   r    r      s
   

r   c                 C   s   t | dot | jdo| jjS )z_
    Given a model class, returns a boolean True if it is abstract and False if it is not.
    r   abstract)hasattrr   rC   )r   r   r   r    is_abstract_model   s   rE   N)__doc__collectionsr   r   r   r   r!   r   r   r0   r   r   r   r   rE   r   r   r   r    <module>   s    	
 %	