(
        self,
        allow_yanked,  # type: bool
        allow_all_prereleases=False,  # type: bool
        format_control=None,          # type: Optional[FormatControl]
        prefer_binary=False,          # type: bool
        ignore_requires_python=None,  # type: Optional[bool]
    )
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.
Create a SelectionPreferences object.
Create a SelectionPreferences object .
def __init__(
        self,
        allow_yanked,  # type: bool
        allow_all_prereleases=False,  # type: bool
        format_control=None,          # type: Optional[FormatControl]
        prefer_binary=False,          # type: bool
        ignore_requires_python=None,  # type: Optional[bool]
    ):
        # type: (...) -> None
        """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.
        """
        if ignore_requires_python is None:
            ignore_requires_python = False

        self.allow_yanked = allow_yanked
        self.allow_all_prereleases = allow_all_prereleases
        self.format_control = format_control
        self.prefer_binary = prefer_binary
        self.ignore_requires_python = ignore_requires_python
def __init__ ( self , allow_yanked , # type: bool allow_all_prereleases = False , # type: bool format_control = None , # type: Optional[FormatControl] prefer_binary = False , # type: bool ignore_requires_python = None , # type: Optional[bool] ) : # type: (...) -> None if ignore_requires_python is None : ignore_requires_python = False self . allow_yanked = allow_yanked self . allow_all_prereleases = allow_all_prereleases self . format_control = format_control self . prefer_binary = prefer_binary self . ignore_requires_python = ignore_requires_python