Remove explicit Config protocol

Author: alextwoods

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

@@ -290,18 +290,6 @@ private void writeInterceptorsType(PythonWriter writer) {
 
     private void generateConfig(GenerationContext context, PythonWriter writer) {
         var configSymbol = CodegenUtils.getConfigSymbol(context.settings());
-        Symbol configProtocolSymbol = null;
-        if (context.applicationProtocol().isHttpProtocol()) {
-            configProtocolSymbol = Symbol.builder()
-                    .name("HttpConfig")
-                    .namespace("smithy_http.interfaces.config", ".")
-                    .build();
-        } else {
-            configProtocolSymbol = Symbol.builder()
-                    .name("Config")
-                    .namespace("smithy_core.interfaces.config", ".")
-                    .build();
-        }
 
         // Initialize the list of config properties with our base properties. Here a new
         // list is constructed because that base list is immutable.
@@ -336,7 +324,7 @@ private void generateConfig(GenerationContext context, PythonWriter writer) {
         writer.addStdlibImport("dataclasses", "dataclass");
         writer.write("""
                 @dataclass(init=False)
-                class $T($T):
+                class $T:
                     \"""Configuration for $L.\"""
 
                     ${C|}
@@ -353,7 +341,6 @@ def __init__(
                         ${C|}
                 """,
                 configSymbol,
-                configProtocolSymbol,
                 context.settings().service().getName(),
                 writer.consumer(w -> writePropertyDeclarations(w, finalProperties)),
                 writer.consumer(w -> writeInitParams(w, finalProperties)),

packages/smithy-core/src/smithy_core/interfaces/config.py

@@ -1,25 +1,23 @@
 #  Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 #  SPDX-License-Identifier: Apache-2.0
 import platform
-from typing import Self
+from typing import Self, Any
 
 import smithy_core
-import smithy_http
-from smithy_core.aio.interfaces import Request
 from smithy_core.interceptors import Interceptor, InterceptorContext
 from smithy_http import Field
 from smithy_http.aio.interfaces import HTTPRequest
 from smithy_http.user_agent import UserAgent, UserAgentComponent
 
 
-class UserAgentInterceptor(Interceptor[Request, None, HTTPRequest, None]):
+class UserAgentInterceptor(Interceptor[Any, None, HTTPRequest, None]):
     """Adds interceptors that initialize UserAgent in the context and add the user-agent header"""
 
-    def read_before_execution(self, context: InterceptorContext[Request, None, None, None]) -> None:
+    def read_before_execution(self, context: InterceptorContext[Any, None, None, None]) -> None:
         context.properties['user_agent'] = _UserAgentBuilder.from_environment().build()
 
     def modify_before_signing(
-            self, context: InterceptorContext[Request, None, HTTPRequest, None]
+            self, context: InterceptorContext[Any, None, HTTPRequest, None]
         ) -> HTTPRequest:
         user_agent = context.properties['user_agent']
         request = context.transport_request

packages/smithy-http/src/smithy_http/interceptors/user_agent.py

@@ -1,8 +1,12 @@
 #  Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 #  SPDX-License-Identifier: Apache-2.0
+from typing import Protocol, Any
 
-from smithy_core.interfaces.config import Config
+from smithy_core.interceptors import Interceptor
 from smithy_http.interceptors.user_agent import UserAgentInterceptor
 
-def user_agent_plugin(config: Config) -> None:
+class _InterceptorConfig(Protocol):
+    interceptors: list[Interceptor[Any, Any, Any, Any]]
+
+def user_agent_plugin(config: _InterceptorConfig) -> None:
     config.interceptors.append(UserAgentInterceptor())