initial commit

2026-02-04 13:56:23 -06:00 · 2024-10-30 11:19:09 -03:00
commit 8654a31a4d
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+# Copyright 2013 Donald Stufft
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import io
+import os
+import re
+import zipfile
+from typing import List, Optional
+from typing import cast as type_cast
+
+from pkginfo import distribution
+
+from twine import exceptions
+
+# Monkeypatch Metadata 2.0 support
+distribution.HEADER_ATTRS_2_0 = distribution.HEADER_ATTRS_1_2
+distribution.HEADER_ATTRS.update({"2.0": distribution.HEADER_ATTRS_2_0})
+
+
+wheel_file_re = re.compile(
+    r"""^(?P<namever>(?P<name>.+?)(-(?P<ver>\d.+?))?)
+        ((-(?P<build>\d.*?))?-(?P<pyver>.+?)-(?P<abi>.+?)-(?P<plat>.+?)
+        \.whl|\.dist-info)$""",
+    re.VERBOSE,
+)
+
+
+class Wheel(distribution.Distribution):
+    def __init__(self, filename: str, metadata_version: Optional[str] = None) -> None:
+        self.filename = filename
+        self.basefilename = os.path.basename(self.filename)
+        self.metadata_version = metadata_version
+        self.extractMetadata()
+
+    @property
+    def py_version(self) -> str:
+        wheel_info = wheel_file_re.match(self.basefilename)
+        if wheel_info is None:
+            return "any"
+        else:
+            return wheel_info.group("pyver")
+
+    @staticmethod
+    def find_candidate_metadata_files(names: List[str]) -> List[List[str]]:
+        """Filter files that may be METADATA files."""
+        tuples = [x.split("/") for x in names if "METADATA" in x]
+        return [x[1] for x in sorted((len(x), x) for x in tuples)]
+
+    def read(self) -> bytes:
+        fqn = os.path.abspath(os.path.normpath(self.filename))
+        if not os.path.exists(fqn):
+            raise exceptions.InvalidDistribution("No such file: %s" % fqn)
+
+        if fqn.endswith(".whl"):
+            archive = zipfile.ZipFile(fqn)
+            names = archive.namelist()
+
+            def read_file(name: str) -> bytes:
+                return archive.read(name)
+
+        else:
+            raise exceptions.InvalidDistribution(
+                "Not a known archive format for file: %s" % fqn
+            )
+
+        searched_files: List[str] = []
+        try:
+            for path in self.find_candidate_metadata_files(names):
+                candidate = "/".join(path)
+                data = read_file(candidate)
+                if b"Metadata-Version" in data:
+                    return data
+                searched_files.append(candidate)
+        finally:
+            archive.close()
+
+        raise exceptions.InvalidDistribution(
+            "No METADATA in archive or METADATA missing 'Metadata-Version': "
+            "%s (searched %s)" % (fqn, ",".join(searched_files))
+        )
+
+    def parse(self, data: bytes) -> None:
+        super().parse(data)
+
+        fp = io.StringIO(data.decode("utf-8", errors="replace"))
+        # msg is ``email.message.Message`` which is a legacy API documented
+        # here: https://docs.python.org/3/library/email.compat32-message.html
+        msg = distribution.parse(fp)
+        self.description = type_cast(str, msg.get_payload())