fix: workaround unsupported metadata version 2.4 in pkginfo

pyproject.toml

@@ -42,7 +42,7 @@ installer = "^0.7.0"
 keyring = "^25.1.0"
 # packaging uses calver, so version is unclamped
 packaging = ">=24.0"
-pkginfo = "^1.10"
+pkginfo = "^1.11"
 platformdirs = ">=3.0.0,<5"
 pyproject-hooks = "^1.0.0"
 requests = "^2.26"

src/poetry/inspection/info.py

@@ -5,13 +5,15 @@
 import glob
 import logging
 import tempfile
+import warnings
 
 from pathlib import Path
 from typing import TYPE_CHECKING
 from typing import Any
 
 import pkginfo
 
+from pkginfo.distribution import NewMetadataVersion
 from poetry.core.constraints.version import Version
 from poetry.core.factory import Factory
 from poetry.core.packages.dependency import Dependency
@@ -265,7 +267,10 @@ def _from_distribution(
 
         :param dist: The distribution instance to parse information from.
         """
-        if dist.metadata_version not in pkginfo.distribution.HEADER_ATTRS:
+        # The current pkginfo version (1.11.2) does not support 2.4.
+        # The fields we are interested in can be parsed nevertheless.
+        supported_metadata_versions = {*pkginfo.distribution.HEADER_ATTRS.keys(), "2.4"}
+        if dist.metadata_version not in supported_metadata_versions:
             # This check can be replaced once upstream implements strict parsing
             # https://bugs.launchpad.net/pkginfo/+bug/2058697
             raise ValueError(f"Unknown metadata version: {dist.metadata_version}")
@@ -389,7 +394,11 @@ def from_metadata_directory(cls, path: Path) -> PackageInfo | None:
                 if directory.suffix == ".egg-info":
                     dist = pkginfo.UnpackedSDist(directory.as_posix())
                 elif directory.suffix == ".dist-info":
-                    dist = pkginfo.Wheel(directory.as_posix())
+                    with warnings.catch_warnings():
+                        # Filtering the NewMetadataVersion can be remove once pkginfo
+                        # supports MetadataVersion 2.4.
+                        warnings.simplefilter("ignore", NewMetadataVersion)
+                        dist = pkginfo.Wheel(directory.as_posix())
                 else:
                     continue
                 break
@@ -489,7 +498,11 @@ def from_wheel(cls, path: Path) -> PackageInfo:
         :param path: Path to wheel.
         """
         try:
-            wheel = pkginfo.Wheel(str(path))
+            with warnings.catch_warnings():
+                # Filtering the NewMetadataVersion can be remove once pkginfo
+                # supports MetadataVersion 2.4.
+                warnings.simplefilter("ignore", NewMetadataVersion)
+                wheel = pkginfo.Wheel(str(path))
             return cls._from_distribution(wheel)
         except ValueError as e:
             raise PackageInfoError(path, e)

tests/inspection/test_info.py

@@ -12,7 +12,6 @@
 from build import BuildBackendException
 from build import ProjectBuilder
 from packaging.metadata import parse_email
-from pkginfo.distribution import NewMetadataVersion
 
 from poetry.inspection.info import PackageInfo
 from poetry.inspection.info import PackageInfoError
@@ -221,7 +220,7 @@ def test_info_from_wheel_metadata_version_unknown(
         / "demo_metadata_version_unknown-0.1.0-py2.py3-none-any.whl"
     )
 
-    with pytest.warns(NewMetadataVersion), pytest.raises(PackageInfoError) as e:
+    with pytest.raises(PackageInfoError) as e:
         PackageInfo.from_wheel(path)
 
     assert "Unknown metadata version: 999.3" in str(e.value)