Add settings source for AWS Secrets Manager

.gitignore

@@ -25,3 +25,4 @@ _build/
 /.ghtopdep_cache/
 /worktrees/
 /.ruff_cache/
+.pdm-python

pydantic_settings/sources.py

@@ -647,3 +647,34 @@
     return lenient_issubclass(annotation, (BaseModel, Mapping, Sequence, tuple, set, frozenset, deque)) or is_dataclass(
         annotation
     )
+
+class AWSSecretManagerSettingsSource(PydanticBaseSettingsSource):
+    """
+    Supports the AWS Secret Manager
+
+    Args:
+        PydanticBaseSettingsSource (_type_): _description_
+    """
+    def __repr__(self) -> str:
+        return (
+            f'AWSSecretManagerSettingsSource'
+        )
+
+    def get_field_value(self, field: FieldInfo, field_name: str) -> tuple[Any, str, bool]:
+        """
+        Gets the value, the key for model creation, and a flag to determine whether value is complex.
+
+        This is an abstract method that should be overridden in every settings source classes.
+
+        Args:
+            field: The field.
+            field_name: The field name.
+
+        Returns:
+            A tuple contains the key, value and a flag to determine whether value is complex.
+        """
+        pass
+
+    @abstractmethod
+    def __call__(self) -> dict[str, Any]:
+        pass

pyproject.toml

@@ -5,6 +5,17 @@ build-backend = 'hatchling.build'
 [tool.hatch.version]
 path = 'pydantic_settings/version.py'
 
+
+
+
+
+
+[tool.pdm.dev-dependencies]
+test = [
+    "pytest>=7.4.2",
+    "pytest-examples>=0.0.10",
+    "pytest-mock>=3.11.1",
+]
 [project]
 name = 'pydantic-settings'
 description = 'Settings management using Pydantic'