o
    "7h                     @   sx   d Z ddl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.
    )
namedtuple	FieldInfo)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_relationshipsr   )modeloptsr   r   r   r   r   relationships r   t/var/www/epreuve.sigeris.cm/public_html/epreuve/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(   i }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   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   r.   c              	   C   s~   i }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 ):
    Returns a dict 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.   r+   many_to_manythroughr   auto_created)r   r   r(   r   r   r   r   H   s(   
r   c              
   C   s   i }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oM|jjj	j
j dd||< q0|S )	r/   c                 S   s   g | ]}|j js|qS r   r(   r0   r'   rr   r   r   r)   m       z._get_reverse_relationships.<locals>.<listcomp>NFTr   c                 S   s   g | ]}|j jr|qS r   r3   r4   r   r   r   r)   z   r6   r1   )related_objectsget_accessor_namer
   r   r(   r!   multipler.   r-   r1   r   r2   )r   r   all_related_objectsrelationaccessor_name all_related_many_to_many_objectsr   r   r   r   h   s2   
r   c                 C   s   d| | j | i}|| |S )Nr   )r+   update)r   r   r   r   r   r   r      s   
r   c                 C   s   i | |S r    r   )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   r?   )r   r   r   r   is_abstract_model   s   rA   N)__doc__collectionsr   r   r
   r   r   r   r.   r   r   r   r   rA   r   r   r   r   <module>   s    	
 %