Send Cache-Control header with value 'no-cache' (#204)

ffplexim · web-flow · commit c9b7cb990e9b · 2025-12-16T13:12:50.000Z
diff --git a/NEWS.rst b/NEWS.rst
@@ -4,6 +4,8 @@ Changelog
 unreleased
 ----------
 
+* Set ``Cache-Control`` header to ```no-cache``` for served files.
+
 2025.08.25 - 2025-08-25
 -----------------------
 
diff --git a/sphinx_autobuild/middleware.py b/sphinx_autobuild/middleware.py
@@ -38,6 +38,7 @@ async def send_wrapper(message: Message) -> None:
                     if "Content-Length" in headers:
                         length = int(headers["Content-Length"]) + len(self.script)
                         headers["Content-Length"] = str(length)
+                headers["Cache-Control"] = "no-cache"
             elif message["type"] == "http.response.body":
                 request_complete = not message.get("more_body", False)
                 if add_script and request_complete:
diff --git a/tests/test_application.py b/tests/test_application.py
@@ -33,3 +33,4 @@ def test_application(tmp_path):
 
     response = client.get("/")
     assert response.status_code == 200
+    assert response.headers["Cache-Control"] == "no-cache"

Original file line number	Diff line number	Diff line change
`@@ -33,3 +33,4 @@ def test_application(tmp_path):`
`33`	`33`
`34`	`34`	`response = client.get("/")`
`35`	`35`	`assert response.status_code == 200`
	`36`	`+ assert response.headers["Cache-Control"] == "no-cache"`