go back to baseurl

src/fastmcp/resources/base.py

@@ -13,6 +13,7 @@ from pydantic import (
     ValidationInfo,
     field_validator,
 )
+from pydantic.networks import _BaseUrl  # TODO: remove this once pydantic is updated
 
 
 def maybe_cast_str_to_any_url(x) -> AnyUrl:
@@ -27,7 +28,7 @@ def maybe_cast_str_to_any_url(x) -> AnyUrl:
     raise ValueError(f"Expected str or AnyUrl, got {type(x)}")
 
 
-LaxAnyUrl = Annotated[AnyUrl, BeforeValidator(maybe_cast_str_to_any_url)]
+LaxAnyUrl = Annotated[_BaseUrl | str, BeforeValidator(maybe_cast_str_to_any_url)]
 
 
 class Resource(BaseModel, abc.ABC):
@@ -35,7 +36,7 @@ class Resource(BaseModel, abc.ABC):
 
     model_config = ConfigDict(validate_default=True)
 
-    uri: LaxAnyUrl = Field(description="URI of the resource")
+    uri: LaxAnyUrl = Field(default=..., description="URI of the resource")
     name: str | None = Field(description="Name of the resource", default=None)
     description: str | None = Field(
         description="Description of the resource", default=None

tests/resources/test_resources.py

@@ -1,5 +1,6 @@
 import pytest
-from fastmcp.resources import Resource, FunctionResource
+
+from fastmcp.resources import FunctionResource, Resource
 
 
 class TestResourceValidation:
@@ -95,4 +96,4 @@ class TestResourceValidation:
             pass
 
         with pytest.raises(TypeError, match="abstract method"):
-            ConcreteResource(uri="test://test", name="test")
+            ConcreteResource(uri="test://test", name="test")  # type: ignore

tests/test_server.py

@@ -37,7 +37,7 @@ class TestServer:
 
         with pytest.raises(TypeError, match="The @tool decorator was used incorrectly"):
 
-            @mcp.tool  # Missing parentheses
+            @mcp.tool  # Missing parentheses #type: ignore
             def add(x: int, y: int) -> int:
                 return x + y
 
@@ -57,7 +57,7 @@ class TestServer:
             TypeError, match="The @resource decorator was used incorrectly"
         ):
 
-            @mcp.resource  # Missing parentheses
+            @mcp.resource  # Missing parentheses #type: ignore
             def get_data(x: str) -> str:
                 return f"Data: {x}"