U
    ßUöet  ã                   @   s<   d dl mZ er(d dlmZ d dlmZ G dd„ deƒZdS )é    )ÚMYPY_CHECK_RUNNING)ÚOptional)ÚFormatControlc                   @   s   e Zd ZdZddd„ZdS )ÚSelectionPreferenceszd
    Encapsulates the candidate selection preferences for downloading
    and installing files.
    FNc                 C   s.   |dkrd}|| _ || _|| _|| _|| _dS )aw  Create a SelectionPreferences object.

        :param allow_yanked: Whether files marked as yanked (in the sense
            of PEP 592) are permitted to be candidates for install.
        :param format_control: A FormatControl object or None. Used to control
            the selection of source packages / binary packages when consulting
            the index and links.
        :param prefer_binary: Whether to prefer an old, but valid, binary
            dist over a new source dist.
        :param ignore_requires_python: Whether to ignore incompatible
            "Requires-Python" values in links. Defaults to False.
        NF)Úallow_yankedÚallow_all_prereleasesÚformat_controlÚprefer_binaryÚignore_requires_python)Úselfr   r   r   r	   r
   © r   úH/tmp/pip-unpacked-wheel-dw8mm3nf/pip/_internal/models/selection_prefs.pyÚ__init__   s    zSelectionPreferences.__init__)FNFN)Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   r   r   r   r   r      s       úr   N)Úpip._internal.utils.typingr   Útypingr   Ú#pip._internal.models.format_controlr   Úobjectr   r   r   r   r   Ú<module>   s   