You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
3.5 KiB
94 lines
3.5 KiB
"""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)
|