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File Content: `selection_prefs.py`

from pip._internal.utils.typing import MYPY_CHECK_RUNNING

if MYPY_CHECK_RUNNING:
    from typing import Optional
    from pip._internal.models.format_control import FormatControl


class SelectionPreferences(object):
    """
    Encapsulates the candidate selection preferences for downloading
    and installing files.
    """

    __slots__ = ['allow_yanked', 'allow_all_prereleases', 'format_control',
                 'prefer_binary', 'ignore_requires_python']

    # Don't include an allow_yanked default value to make sure each call
    # site considers whether yanked releases are allowed. This also causes
    # that decision to be made explicit in the calling code, which helps
    # people when reading the code.
    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

Name	Size	Permission
__init__.py	63 bytes	0644
__init__.pyc	244 bytes	0644
__init__.pyo	244 bytes	0644
candidate.py	1195 bytes	0644
candidate.pyc	1829 bytes	0644
candidate.pyo	1829 bytes	0644
direct_url.py	6900 bytes	0644
direct_url.pyc	9016 bytes	0644
direct_url.pyo	8973 bytes	0644
format_control.py	2823 bytes	0644
format_control.pyc	3681 bytes	0644
format_control.pyo	3681 bytes	0644
index.py	1161 bytes	0644
index.pyc	1483 bytes	0644
index.pyo	1483 bytes	0644
link.py	7470 bytes	0644
link.pyc	9479 bytes	0644
link.pyo	9316 bytes	0644
scheme.py	778 bytes	0644
scheme.pyc	1143 bytes	0644
scheme.pyo	1143 bytes	0644
search_scope.py	4751 bytes	0644
search_scope.pyc	4101 bytes	0644
search_scope.pyo	4101 bytes	0644
selection_prefs.py	2044 bytes	0644
selection_prefs.pyc	1932 bytes	0644
selection_prefs.pyo	1932 bytes	0644
target_python.py	4034 bytes	0644
target_python.pyc	4083 bytes	0644
target_python.pyo	4083 bytes	0644
wheel.py	2772 bytes	0644
wheel.pyc	3955 bytes	0644
wheel.pyo	3955 bytes	0644

File Content: selection_prefs.py

File Content: `selection_prefs.py`