Remove legacy wheel filename support

Author: notatallshaw

src/pip/_internal/models/wheel.py

@@ -4,91 +4,30 @@
 
 from __future__ import annotations
 
-import re
 from collections.abc import Iterable
 
 from pip._vendor.packaging.tags import Tag
-from pip._vendor.packaging.utils import BuildTag, parse_wheel_filename
 from pip._vendor.packaging.utils import (
     InvalidWheelFilename as _PackagingInvalidWheelFilename,
 )
+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"""
 
-    legacy_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:
         self.filename = filename
 
-        # To make mypy happy specify type hints that can come from either
-        # parse_wheel_filename or the legacy_wheel_file_re match.
-        self.name: str
-        self._build_tag: BuildTag | None = None
-
         try:
             wheel_info = parse_wheel_filename(filename)
-            self.name, _version, self._build_tag, self.file_tags = wheel_info
-            self.version = str(_version)
         except _PackagingInvalidWheelFilename as e:
-            # Check if the wheel filename is in the legacy format
-            legacy_wheel_info = self.legacy_wheel_file_re.match(filename)
-            if not legacy_wheel_info:
-                raise InvalidWheelFilename(e.args[0]) from None
-
-            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="25.3",
-                issue=12938,
-            )
-
-            self.name = legacy_wheel_info.group("name").replace("_", "-")
-            self.version = legacy_wheel_info.group("ver").replace("_", "-")
-
-            # Generate the file tags from the legacy wheel filename
-            pyversions = legacy_wheel_info.group("pyver").split(".")
-            abis = legacy_wheel_info.group("abi").split(".")
-            plats = legacy_wheel_info.group("plat").split(".")
-            self.file_tags = frozenset(
-                Tag(interpreter=py, abi=abi, platform=plat)
-                for py in pyversions
-                for abi in abis
-                for plat in plats
-            )
-
-    @property
-    def build_tag(self) -> BuildTag:
-        if self._build_tag is not None:
-            return self._build_tag
-
-        # Parse the build tag from the legacy wheel filename
-        legacy_wheel_info = self.legacy_wheel_file_re.match(self.filename)
-        assert legacy_wheel_info is not None, "guaranteed by filename validation"
-        build_tag = legacy_wheel_info.group("build")
-        match = re.match(r"^(\d+)(.*)$", build_tag)
-        assert match is not None, "guaranteed by filename validation"
-        build_tag_groups = match.groups()
-        self._build_tag = (int(build_tag_groups[0]), build_tag_groups[1])
-
-        return self._build_tag
+            raise InvalidWheelFilename(e.args[0]) from None
+
+        self.name, _version, self.build_tag, self.file_tags = wheel_info
+        self.version = str(_version)
 
     def get_formatted_file_tags(self) -> list[str]:
         """Return the wheel's tags as a sorted list of strings."""