Add support for generating schemas for operations and service shapes

Author: haydenbaker

codegen/core/src/main/java/software/amazon/smithy/python/codegen/generators/SchemaGenerator.java

@@ -83,8 +83,7 @@ public static void generateAll(
         var index = TopologicalIndex.of(context.model());
         Stream.concat(index.getOrderedShapes().stream(), index.getRecursiveShapes().stream())
                 .filter(shapes::contains)
-                .filter(shape -> !shape.isOperationShape() && !shape.isResourceShape()
-                        && !shape.isServiceShape()
+                .filter(shape -> !shape.isResourceShape()
                         && !shape.isMemberShape()
                         && !Prelude.isPreludeShape(shape))
                 .filter(filter::apply)

codegen/plugins/types/src/main/java/software/amazon/smithy/python/codegen/types/DirectedPythonTypeCodegen.java

@@ -64,6 +64,9 @@ public GenerationContext createContext(CreateContextDirective<PythonSettings, Py
     public void customizeBeforeShapeGeneration(CustomizeDirective<GenerationContext, PythonSettings> directive) {
         new ServiceErrorGenerator(directive.settings(), directive.context().writerDelegator()).run();
         SchemaGenerator.generateAll(directive.context(), directive.connectedShapes().values(), shape -> {
+            if (shape.isOperationShape() || shape.isServiceShape()) {
+                return false;
+            }
             if (shape.isStructureShape()) {
                 return shouldGenerateStructure(directive.settings(), shape);
             }

packages/smithy-core/src/smithy_core/documents.py

@@ -94,7 +94,11 @@ def __init__(
         else:
             self._value = value
 
-        if self._schema.shape_type is not ShapeType.DOCUMENT:
+        if self._schema.shape_type not in (
+            ShapeType.DOCUMENT,
+            ShapeType.OPERATION,
+            ShapeType.SERVICE,
+        ):
             self._type = self._schema.shape_type
         else:
             # TODO: set an appropriate schema if one was not provided
@@ -311,6 +315,10 @@ def serialize_contents(self, serializer: ShapeSerializer) -> None:
                 raise SmithyException(
                     f"Unexpexcted DOCUMENT shape type for document value: {self.as_value()}"
                 )
+            case _:
+                raise SmithyException(
+                    f"Unexpected {self._type} shape type for document value: {self.as_value()}"
+                )
 
     def serialize_members(self, serializer: ShapeSerializer) -> None:
         for value in self.as_map().values():

packages/smithy-core/src/smithy_core/shapes.py

@@ -122,6 +122,6 @@ class ShapeType(Enum):
 
     # We won't acutally be using these, probably
     # MEMBER = 20
-    # SERVICE = 21
+    SERVICE = 21
     # RESOURCE = 22
-    # OPERATION = 23
+    OPERATION = 23