python (3.11.7)
1 from typing import Optional
2
3 from pip._internal.models.format_control import FormatControl
4
5
6 class ESC[4;38;5;81mSelectionPreferences:
7 """
8 Encapsulates the candidate selection preferences for downloading
9 and installing files.
10 """
11
12 __slots__ = [
13 "allow_yanked",
14 "allow_all_prereleases",
15 "format_control",
16 "prefer_binary",
17 "ignore_requires_python",
18 ]
19
20 # Don't include an allow_yanked default value to make sure each call
21 # site considers whether yanked releases are allowed. This also causes
22 # that decision to be made explicit in the calling code, which helps
23 # people when reading the code.
24 def __init__(
25 self,
26 allow_yanked: bool,
27 allow_all_prereleases: bool = False,
28 format_control: Optional[FormatControl] = None,
29 prefer_binary: bool = False,
30 ignore_requires_python: Optional[bool] = None,
31 ) -> None:
32 """Create a SelectionPreferences object.
33
34 :param allow_yanked: Whether files marked as yanked (in the sense
35 of PEP 592) are permitted to be candidates for install.
36 :param format_control: A FormatControl object or None. Used to control
37 the selection of source packages / binary packages when consulting
38 the index and links.
39 :param prefer_binary: Whether to prefer an old, but valid, binary
40 dist over a new source dist.
41 :param ignore_requires_python: Whether to ignore incompatible
42 "Requires-Python" values in links. Defaults to False.
43 """
44 if ignore_requires_python is None:
45 ignore_requires_python = False
46
47 self.allow_yanked = allow_yanked
48 self.allow_all_prereleases = allow_all_prereleases
49 self.format_control = format_control
50 self.prefer_binary = prefer_binary
51 self.ignore_requires_python = ignore_requires_python
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