U
    @v¨g|  ã                   @   s    d Z ddlZG dd„ deƒZdS )zUtilities for defining models
é    Nc                   @   sX   e Zd Z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 )ÚKeyBasedCompareMixinz<Provides comparison capabilities that is based on a key
    c                 C   s   || _ || _d S ©N)Ú_compare_keyÚ_defining_class)ÚselfÚkeyÚdefining_class© r	   ú>/tmp/pip-unpacked-wheel-gw11q0wt/pip/_internal/utils/models.pyÚ__init__   s    zKeyBasedCompareMixin.__init__c                 C   s
   t | jƒS r   )Úhashr   )r   r	   r	   r
   Ú__hash__   s    zKeyBasedCompareMixin.__hash__c                 C   s   |   |tj¡S r   )Ú_compareÚoperatorÚ__lt__©r   Úotherr	   r	   r
   r      s    zKeyBasedCompareMixin.__lt__c                 C   s   |   |tj¡S r   )r   r   Ú__le__r   r	   r	   r
   r      s    zKeyBasedCompareMixin.__le__c                 C   s   |   |tj¡S r   )r   r   Ú__gt__r   r	   r	   r
   r      s    zKeyBasedCompareMixin.__gt__c                 C   s   |   |tj¡S r   )r   r   Ú__ge__r   r	   r	   r
   r      s    zKeyBasedCompareMixin.__ge__c                 C   s   |   |tj¡S r   )r   r   Ú__eq__r   r	   r	   r
   r       s    zKeyBasedCompareMixin.__eq__c                 C   s   |   |tj¡S r   )r   r   Ú__ne__r   r	   r	   r
   r   #   s    zKeyBasedCompareMixin.__ne__c                 C   s   t || jƒstS || j|jƒS r   )Ú
isinstancer   ÚNotImplementedr   )r   r   Úmethodr	   r	   r
   r   &   s    zKeyBasedCompareMixin._compareN)Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   r   r   r   r   r   r   r   r   r	   r	   r	   r
   r   	   s   r   )r   r   Úobjectr   r	   r	   r	   r
   Ú<module>   s   