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B
    ´ÊÑaÙ  ã               @   sH   d dl mZmZ d dlmZmZ d dlmZ eeƒG dd„ deƒƒZ	dS )é    )Úabsolute_importÚunicode_literals)ÚABCMetaÚabstractmethod)Úadd_metaclassc               @   s<   e Zd ZdZedd„ ƒZdd„ Zedd„ ƒZe	dd	„ ƒZ
d
S )ÚDiscoverz5Discover and provide the requested Python interpreterc             C   s   t ‚dS )z`Add CLI arguments for this discovery mechanisms.

        :param parser: the CLI parser
        N)ÚNotImplementedError)ÚclsÚparser© r   úN/opt/alt/python37/lib/python3.7/site-packages/virtualenv/discovery/discover.pyÚadd_parser_arguments   s    zDiscover.add_parser_argumentsc             C   s   d| _ d| _|j| _dS )z…Create a new discovery mechanism.

        :param options: the parsed options as defined within :meth:`add_parser_arguments`
        FN)Ú_has_runÚ_interpreterÚenvZ_env)ÚselfÚoptionsr   r   r   Ú__init__   s    zDiscover.__init__c             C   s   t ‚dS )zsDiscovers an interpreter.


        :return: the interpreter ready to use for virtual environment creation
        N)r   )r   r   r   r   Úrun   s    zDiscover.runc             C   s    | j dkr|  ¡ | _d| _ | jS )zM
        :return: the interpreter as returned by :meth:`run`, cached
        FT)r   r   r   )r   r   r   r   Úinterpreter'   s    

zDiscover.interpreterN)Ú__name__Ú
__module__Ú__qualname__Ú__doc__Úclassmethodr   r   r   r   Úpropertyr   r   r   r   r   r      s
   			r   N)
Ú
__future__r   r   Úabcr   r   Zsixr   Úobjectr   r   r   r   r   Ú<module>   s   