From a72e89bd8881f34048ddd1c2802de03150e86c90 Mon Sep 17 00:00:00 2001
From: iscai-msft <isabellavcai@gmail.com>
Date: Thu, 13 Nov 2025 15:24:26 -0500
Subject: [PATCH 1/2] consider usage override when dealing with paging models

---
 packages/http-client-python/emitter/src/code-model.ts | 5 ++++-
 packages/http-client-python/emitter/src/types.ts      | 4 +++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/http-client-python/emitter/src/code-model.ts b/packages/http-client-python/emitter/src/code-model.ts
index 44ac08c6788..581e6043837 100644
--- a/packages/http-client-python/emitter/src/code-model.ts
+++ b/packages/http-client-python/emitter/src/code-model.ts
@@ -335,9 +335,12 @@ export function emitCodeModel(sdkContext: PythonSdkContext) {
     }
     getType(sdkContext, sdkEnum);
   }
-
   // clear usage when a model is only used by paging
   for (const type of typesMap.values()) {
+    const usageOverride = (type["usageOverride"] as UsageFlags | undefined) || 0;
+    if ((usageOverride & UsageFlags.Input) > 0 || (usageOverride & UsageFlags.Output) > 0) {
+      continue; // Don't clear usage for types used as Input or Output
+    }
     if (
       type["type"] === "model" &&
       type["referredByOperationType"] === ReferredByOperationTypes.PagingOnly
diff --git a/packages/http-client-python/emitter/src/types.ts b/packages/http-client-python/emitter/src/types.ts
index 26bee78d935..4150f4f8f12 100644
--- a/packages/http-client-python/emitter/src/types.ts
+++ b/packages/http-client-python/emitter/src/types.ts
@@ -1,4 +1,5 @@
 import {
+  getUsageOverride,
   isHttpMetadata,
   SdkArrayType,
   SdkBuiltInType,
@@ -16,7 +17,7 @@ import {
   SdkUnionType,
   UsageFlags,
 } from "@azure-tools/typespec-client-generator-core";
-import { Type } from "@typespec/compiler";
+import { Model, Type } from "@typespec/compiler";
 import { HttpAuth, Visibility } from "@typespec/http";
 import { dump } from "js-yaml";
 import { PythonSdkContext } from "./lib.js";
@@ -284,6 +285,7 @@ function emitModel(context: PythonSdkContext, type: SdkModelType): Record<string
     internal: type.access === "internal",
     crossLanguageDefinitionId: type.crossLanguageDefinitionId,
     usage: type.usage,
+    usageOverride: type.__raw ? getUsageOverride(context, type.__raw as Model) : undefined,
     isXml: type.usage & UsageFlags.Xml ? true : false,
     xmlMetadata: getXmlMetadata(type),
     clientNamespace: getClientNamespace(context, type.namespace),

From 37578fcf9d74b1ff7b65c3284a2f218df46a400c Mon Sep 17 00:00:00 2001
From: iscai-msft <isabellavcai@gmail.com>
Date: Thu, 13 Nov 2025 15:26:04 -0500
Subject: [PATCH 2/2] add changeset

---
 .../changes/python-pagingModelUsage-2025-10-13-15-25-59.md | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 .chronus/changes/python-pagingModelUsage-2025-10-13-15-25-59.md

diff --git a/.chronus/changes/python-pagingModelUsage-2025-10-13-15-25-59.md b/.chronus/changes/python-pagingModelUsage-2025-10-13-15-25-59.md
new file mode 100644
index 00000000000..b5da968ccf1
--- /dev/null
+++ b/.chronus/changes/python-pagingModelUsage-2025-10-13-15-25-59.md
@@ -0,0 +1,7 @@
+---
+changeKind: fix
+packages:
+  - "@typespec/http-client-python"
+---
+
+Emit paging models marked with `@usage` overrides
\ No newline at end of file