51 lines
2.0 KiB
Python
51 lines
2.0 KiB
Python
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:
|
|
"""
|
|
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
|