o
    uvXjo  ã                   @   sz   d dl Z d dlZd dlmZ d dlmZ d dlmZ G dd„ dƒZG dd„ de 	e¡ƒZ
G d	d
„ d
ƒZG dd„ de
ƒZdS )é    N)Úimport_module)Úrouter)ÚQuerySetc                       s¬   e Zd ZdZdZdZ‡ fdd„Z‡ fdd„Zdd„ Zd	d
„ Z	dd„ Z
edd„ ƒZed"dd„ƒZdd„ Zdd„ Zd#dd„Zedd„ ƒZdd„ Zdd„ Zdd„ Zd d!„ Z‡  ZS )$ÚBaseManagerr   Fc                    s   t ƒ  | ¡}||f|_|S ©N)ÚsuperÚ__new__Ú_constructor_args)ÚclsÚargsÚkwargsÚobj©Ú	__class__© úU/var/www/html/myproject/venv/lib/python3.10/site-packages/django/db/models/manager.pyr      s   
zBaseManager.__new__c                    s.   t ƒ  ¡  |  ¡  d | _d | _d | _i | _d S r   )r   Ú__init__Ú_set_creation_counterÚmodelÚnameÚ_dbÚ_hints©Úselfr   r   r   r      s   

zBaseManager.__init__c                 C   s   d| j jj| jf S )z,Return "app_label.model_label.manager_name".ú%s.%s)r   Ú_metaÚlabelr   r   r   r   r   Ú__str__"   s   zBaseManager.__str__c                 C   s~   | j }t| ddƒrddd|j|jf ddfS | j}| jj}t|ƒ}t||ƒs.td||f ƒ‚dd||f d| jd | jd fS )	z½
        Return a 5-tuple of the form (as_manager (True), manager_class,
        queryset_class, args, kwargs).

        Raise a ValueError if the manager is dynamically generated.
        Ú_built_with_as_managerFTNr   z…Could not find manager %s in %s.
Please note that you need to inherit from managers you dynamically generated with 'from_queryset()'.r   é   )	Ú_queryset_classÚgetattrÚ
__module__Ú__name__r   r   ÚhasattrÚ
ValueErrorr	   )r   Úqs_classÚmodule_namer   Úmoduler   r   r   Údeconstruct&   s.   û
ýÿ
ûzBaseManager.deconstructc                 K   s   g S r   r   )r   r   r   r   r   ÚcheckK   s   zBaseManager.checkc                 C   sh   dd„ }i }t j|t jd�D ]#\}}t| |ƒrqt|dd ƒ}|s)|d u r*| d¡r*q|||ƒ||< q|S )Nc                    s    ‡ fdd„}|j |_ |j|_|S )Nc                    s   t |  ¡ ˆ ƒ|i |¤ŽS r   )r!   Úget_queryset)r   r   r   ©r   r   r   Úmanager_methodQ   s   zPBaseManager._get_queryset_methods.<locals>.create_method.<locals>.manager_method)r#   Ú__doc__)r   Úmethodr-   r   r,   r   Úcreate_methodP   s   z8BaseManager._get_queryset_methods.<locals>.create_method)Ú	predicateÚqueryset_onlyÚ_)ÚinspectÚ
getmembersÚ
isfunctionr$   r!   Ú
startswith)r
   Úqueryset_classr0   Únew_methodsr   r/   r2   r   r   r   Ú_get_queryset_methodsN   s   
z!BaseManager._get_queryset_methodsNc                 C   s4   |d u rd| j |j f }t|| fd|i|  |¡¥ƒS )Nz%sFrom%sr    )r#   Útyper:   )r
   r8   Ú
class_namer   r   r   Úfrom_querysetd   s   ÿþzBaseManager.from_querysetc                 C   s2   | j p|| _ || _t||t| ƒƒ |j | ¡ d S r   )r   r   ÚsetattrÚManagerDescriptorr   Úadd_manager)r   r   r   r   r   r   Úcontribute_to_classm   s   zBaseManager.contribute_to_classc                 C   s   t j| _t  jd7  _dS )zn
        Set the creation counter value for this instance and increment the
        class-level copy.
        r   N)r   Úcreation_counterr   r   r   r   r   u   s   z!BaseManager._set_creation_counterc                 C   s&   t   | ¡}|p	| j|_|p| j|_|S r   )Úcopyr   r   )r   ÚusingÚhintsr   r   r   r   Ú
db_manager}   s   
zBaseManager.db_managerc                 C   s   | j ptj| jfi | j¤ŽS r   )r   r   Údb_for_readr   r   r   r   r   r   Údbƒ   s   zBaseManager.dbc                 C   s   | j | j| j| jd�S )z…
        Return a new QuerySet object. Subclasses can override this method to
        customize the behavior of the Manager.
        )r   rD   rE   )r    r   r   r   r   r   r   r   r+   ‹   s   zBaseManager.get_querysetc                 C   s   |   ¡ S r   )r+   r   r   r   r   Úall’   s   zBaseManager.allc                 C   s   t || jƒo| j|jkS r   )Ú
isinstancer   r	   )r   Úotherr   r   r   Ú__eq__›   s   
þzBaseManager.__eq__c                 C   s   t | ƒS r   )Úidr   r   r   r   Ú__hash__¡   s   zBaseManager.__hash__r   )NN)r#   r"   Ú__qualname__rB   Úauto_createdÚuse_in_migrationsr   r   r   r)   r*   Úclassmethodr:   r=   rA   r   rF   ÚpropertyrH   r+   rI   rL   rN   Ú__classcell__r   r   r   r   r   	   s,    %


	r   c                   @   s   e Zd ZdS )ÚManagerN)r#   r"   rO   r   r   r   r   rU   ¥   s    rU   c                   @   s   e Zd Zdd„ Zddd„ZdS )r?   c                 C   s
   || _ d S r   )Úmanager)r   rV   r   r   r   r   «   s   
zManagerDescriptor.__init__Nc                 C   sf   |d urt d|j ƒ‚|jjrt d|jjf ƒ‚|jjr+t d|jj|jj|jjf ƒ‚|jj| jj	 S )Nz)Manager isn't accessible via %s instancesz'Manager isn't available; %s is abstractz:Manager isn't available; '%s.%s' has been swapped for '%s')
ÚAttributeErrorr#   r   ÚabstractÚobject_nameÚswappedÚ	app_labelÚmanagers_maprV   r   )r   Úinstancer
   r   r   r   Ú__get__®   s   ÿýÿzManagerDescriptor.__get__r   )r#   r"   rO   r   r^   r   r   r   r   r?   ©   s    r?   c                       s(   e Zd Z‡ fdd„Z‡ fdd„Z‡  ZS )ÚEmptyManagerc                    s   t ƒ  ¡  || _d S r   )r   r   r   )r   r   r   r   r   r   Ä   s   

zEmptyManager.__init__c                    s   t ƒ  ¡  ¡ S r   )r   r+   Únoner   r   r   r   r+   È   s   zEmptyManager.get_queryset)r#   r"   rO   r   r+   rT   r   r   r   r   r_   Ã   s    r_   )rC   r4   Ú	importlibr   Ú	django.dbr   Údjango.db.models.queryr   r   r=   rU   r?   r_   r   r   r   r   Ú<module>   s     