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"""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._vendor.packaging.utils import ( | |
InvalidWheelFilename as PackagingInvalidWheelName, | |
) | |
from pip._vendor.packaging.utils import parse_wheel_filename | |
from pip._internal.exceptions import InvalidWheelFilename | |
from pip._internal.utils.deprecation import deprecated | |
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("_", "-") | |
_version = wheel_info.group("ver") | |
if "_" in _version: | |
try: | |
parse_wheel_filename(filename) | |
except PackagingInvalidWheelName as e: | |
deprecated( | |
reason=( | |
f"Wheel filename {filename!r} is not correctly normalised. " | |
"Future versions of pip will raise the following error:\n" | |
f"{e.args[0]}\n\n" | |
), | |
replacement=( | |
"to rename the wheel to use a correctly normalised " | |
"name (this may require updating the version in " | |
"the project metadata)" | |
), | |
gone_in="25.1", | |
issue=12938, | |
) | |
_version = _version.replace("_", "-") | |
self.version = _version | |
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) | |