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wheel.py

"""Represents a wheel file and provides access to the various parts of the
name that have meaning.
"""
import re
from typing import Dict, Iterable, List

from pip._vendor.packaging.tags import Tag

from pip._internal.exceptions import InvalidWheelFilename

class Wheel:
    """A wheel file"""

wheel_file_re = re.compile(
        r"""^(?P<namever>(?P<name>[^\s-]+?)-(?P<ver>[^\s-]*?))
        ((-(?P<build>\d[^-]*?))?-(?P<pyver>[^\s-]+?)-(?P<abi>[^\s-]+?)-(?P<plat>[^\s-]+?)
        \.whl|\.dist-info)$""",
        re.VERBOSE,
    )

def __init__(self, filename: str) -> None:
        """
        :raises InvalidWheelFilename: when the filename is invalid for a wheel
        """
        wheel_info = self.wheel_file_re.match(filename)
        if not wheel_info:
            raise InvalidWheelFilename(f"{filename} is not a valid wheel filename.")
        self.filename = filename
        self.name = wheel_info.group("name").replace("_", "-")
        # we'll assume "_" means "-" due to wheel naming scheme
        # (https://github.com/pypa/pip/issues/1150)
        self.version = wheel_info.group("ver").replace("_", "-")
        self.build_tag = wheel_info.group("build")
        self.pyversions = wheel_info.group("pyver").split(".")
        self.abis = wheel_info.group("abi").split(".")
        self.plats = wheel_info.group("plat").split(".")

# All the tag combinations from this file
        self.file_tags = {
            Tag(x, y, z) for x in self.pyversions for y in self.abis for z in self.plats
        }

def get_formatted_file_tags(self) -> List[str]:
        """Return the wheel's tags as a sorted list of strings."""
        return sorted(str(tag) for tag in self.file_tags)

def support_index_min(self, tags: List[Tag]) -> int:
        """Return the lowest index that one of the wheel's file_tag combinations
        achieves in the given list of supported tags.

For example, if there are 8 supported tags and one of the file tags
        is first in the list, then return 0.

:param tags: the PEP 425 tags to check the wheel against, in order
            with most preferred first.

:raises ValueError: If none of the wheel's file tags match one of
            the supported tags.
        """
        try:
            return next(i for i, t in enumerate(tags) if t in self.file_tags)
        except StopIteration:
            raise ValueError()

def find_most_preferred_tag(
        self, tags: List[Tag], tag_to_priority: Dict[Tag, int]
    ) -> int:
        """Return the priority of the most preferred tag that one of the wheel's file
        tag combinations achieves in the given list of supported tags using the given
        tag_to_priority mapping, where lower priorities are more-preferred.

This is used in place of support_index_min in some cases in order to avoid
        an expensive linear scan of a large list of tags.

:param tags: the PEP 425 tags to check the wheel against.
        :param tag_to_priority: a mapping from tag to priority of that tag, where
            lower is more preferred.

:raises ValueError: If none of the wheel's file tags match one of
            the supported tags.
        """
        return min(
            tag_to_priority[tag] for tag in self.file_tags if tag in tag_to_priority
        )

def supported(self, tags: Iterable[Tag]) -> bool:
        """Return whether the wheel is compatible with one of the given tags.

:param tags: the PEP 425 tags to check the wheel against.
        """
        return not self.file_tags.isdisjoint(tags)

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	0/966	drwxr-xr-x	2024-07-14 08:13:19
..	dir	-	0/966	drwxr-xr-x	2024-07-14 08:13:19
__pycache__	dir	-	0/966	drwxr-xr-x	2024-07-14 08:13:19
__init__.py	file	63 B	0/966	-rw-r--r--	2023-12-28 10:56:20
candidate.py	file	990 B	0/966	-rw-r--r--	2023-12-28 10:56:20
direct_url.py	file	6.77 KB	0/966	-rw-r--r--	2023-12-28 10:56:20
format_control.py	file	2.46 KB	0/966	-rw-r--r--	2023-12-28 10:56:20
index.py	file	1.01 KB	0/966	-rw-r--r--	2023-12-28 10:56:20
installation_report.py	file	2.75 KB	0/966	-rw-r--r--	2023-12-28 10:56:20
link.py	file	20.33 KB	0/966	-rw-r--r--	2023-12-28 10:56:20
scheme.py	file	738 B	0/966	-rw-r--r--	2023-12-28 10:56:20
search_scope.py	file	4.53 KB	0/966	-rw-r--r--	2023-12-28 10:56:20
selection_prefs.py	file	1.86 KB	0/966	-rw-r--r--	2023-12-28 10:56:20
target_python.py	file	4.17 KB	0/966	-rw-r--r--	2023-12-28 10:56:20
wheel.py	file	3.52 KB	0/966	-rw-r--r--	2023-12-28 10:56:20