feat: bump pyproject-metadata to 0.8.0 (#231)

Signed-off-by: Frost Ming <me@frostming.com>

scripts/patches/pyproject_metadata.patch

@@ -1,13 +1,10 @@
 diff --git a/src/pdm/backend/_vendor/pyproject_metadata/__init__.py b/src/pdm/backend/_vendor/pyproject_metadata/__init__.py
-index 796fa1e..e59e2d5 100644
+index df826f8..7f69f3a 100644
 --- a/src/pdm/backend/_vendor/pyproject_metadata/__init__.py
 +++ b/src/pdm/backend/_vendor/pyproject_metadata/__init__.py
-@@ -16,13 +16,13 @@ if typing.TYPE_CHECKING:
-     from collections.abc import Mapping
-     from typing import Any
-
--    from packaging.requirements import Requirement
-+    from pdm.backend._vendor.packaging.requirements import Requirement
+@@ -24,11 +24,11 @@ if typing.TYPE_CHECKING:
+     else:
+         from typing import Self
 
 -import packaging.markers
 -import packaging.requirements
@@ -21,8 +18,8 @@ index 796fa1e..e59e2d5 100644
 +import pdm.backend._vendor.packaging.version as pkg_version
 
 
- __version__ = '0.8.0rc1'
-@@ -169,11 +169,11 @@ class Readme(typing.NamedTuple):
+ __version__ = '0.8.0'
+@@ -175,11 +175,11 @@ class Readme(typing.NamedTuple):
  @dataclasses.dataclass
  class StandardMetadata:
      name: str
@@ -36,7 +33,7 @@ index 796fa1e..e59e2d5 100644
      dependencies: list[Requirement] = dataclasses.field(default_factory=list)
      optional_dependencies: dict[str, list[Requirement]] = dataclasses.field(default_factory=dict)
      entrypoints: dict[str, dict[str, str]] = dataclasses.field(default_factory=dict)
-@@ -196,7 +196,7 @@ class StandardMetadata:
+@@ -202,7 +202,7 @@ class StandardMetadata:
 
      @property
      def canonical_name(self) -> str:
@@ -45,7 +42,7 @@ index 796fa1e..e59e2d5 100644
 
      @classmethod
      def from_pyproject(
-@@ -229,7 +229,7 @@ class StandardMetadata:
+@@ -235,7 +235,7 @@ class StandardMetadata:
 
          version_string = fetcher.get_str('project.version')
          requires_python_string = fetcher.get_str('project.requires-python')
@@ -54,7 +51,7 @@ index 796fa1e..e59e2d5 100644
 
          if version is None and 'version' not in dynamic:
              msg = 'Field "project.version" missing and "version" not specified in "project.dynamic"'
-@@ -251,7 +251,7 @@ class StandardMetadata:
+@@ -256,7 +256,7 @@ class StandardMetadata:
              description,
              cls._get_license(fetcher, project_dir),
              cls._get_readme(fetcher, project_dir),
@@ -63,7 +60,7 @@ index 796fa1e..e59e2d5 100644
              cls._get_dependencies(fetcher),
              cls._get_optional_dependencies(fetcher),
              cls._get_entrypoints(fetcher),
-@@ -353,15 +353,15 @@ class StandardMetadata:
+@@ -358,15 +358,15 @@ class StandardMetadata:
          requirement = copy.copy(requirement)
          if requirement.marker:
              if 'or' in requirement.marker._markers:
@@ -82,7 +79,7 @@ index 796fa1e..e59e2d5 100644
          return requirement
 
      @staticmethod
-@@ -457,8 +457,8 @@ class StandardMetadata:
+@@ -462,8 +462,8 @@ class StandardMetadata:
          requirements: list[Requirement] = []
          for req in requirement_strings:
              try:
@@ -93,7 +90,7 @@ index 796fa1e..e59e2d5 100644
                  msg = (
                      'Field "project.dependencies" contains an invalid PEP 508 '
                      f'requirement string "{req}" ("{e}")'
-@@ -497,8 +497,8 @@ class StandardMetadata:
+@@ -502,8 +502,8 @@ class StandardMetadata:
                      )
                      raise ConfigurationError(msg)
                  try:

src/pdm/backend/_vendor/pyproject_metadata/__init__.py

@@ -9,6 +9,7 @@
 import os
 import os.path
 import pathlib
+import sys
 import typing
 
 
@@ -18,14 +19,19 @@
 
     from pdm.backend._vendor.packaging.requirements import Requirement
 
+    if sys.version_info < (3, 11):
+        from typing_extensions import Self
+    else:
+        from typing import Self
+
 import pdm.backend._vendor.packaging.markers as pkg_markers
 import pdm.backend._vendor.packaging.requirements as pkg_requirements
 import pdm.backend._vendor.packaging.specifiers as pkg_specifiers
 import pdm.backend._vendor.packaging.utils as pkg_utils
 import pdm.backend._vendor.packaging.version as pkg_version
 
 
-__version__ = '0.8.0rc1'
+__version__ = '0.8.0'
 
 KNOWN_METADATA_VERSIONS = {'2.1', '2.2', '2.3'}
 
@@ -204,7 +210,7 @@ def from_pyproject(
         data: Mapping[str, Any],
         project_dir: str | os.PathLike[str] = os.path.curdir,
         metadata_version: str | None = None,
-    ) -> StandardMetadata:
+    ) -> Self:
         fetcher = DataFetcher(data)
         project_dir = pathlib.Path(project_dir)
 
@@ -219,7 +225,7 @@ def from_pyproject(
 
         for field in dynamic:
             if field in data['project']:
-                msg = f'Field "project.{field}" declared as dynamic in but is defined'
+                msg = f'Field "project.{field}" declared as dynamic in "project.dynamic" but is defined'
                 raise ConfigurationError(msg)
 
         name = fetcher.get_str('project.name')
@@ -235,11 +241,10 @@ def from_pyproject(
             msg = 'Field "project.version" missing and "version" not specified in "project.dynamic"'
             raise ConfigurationError(msg)
 
-        # Description can't be multiline
+        # Description fills Summary, which cannot be multiline
+        # However, throwing an error isn't backward compatible,
+        # so leave it up to the users for now.
         description = fetcher.get_str('project.description')
-        if description and '\n' in description:
-            msg = 'The description must be a single line'
-            raise ConfigurationError(msg)
 
         if metadata_version and metadata_version not in KNOWN_METADATA_VERSIONS:
             msg = f'The metadata_version must be one of {KNOWN_METADATA_VERSIONS} or None (default)'

src/pdm/backend/_vendor/vendor.txt

@@ -1,4 +1,4 @@
 packaging==24.0
 tomli==2.0.1
 tomli_w==1.0.0
-pyproject-metadata==0.8.0rc1
+pyproject-metadata==0.8.0