PR feedback

Signed-off-by: Ryan Levick <[email protected]>

Author: rylev

examples/python/README.md

@@ -14,7 +14,7 @@ component for serving static files.
 - [wac](https://github.com/bytecodealliance/wac)
 - [Python](https://www.python.org/downloads/) 3.11 or later
 - [pip](https://pip.pypa.io/en/stable/installation/)
-- [componentize-py](https://pypi.org/project/componentize-py/)
+- [componentize-py](https://pypi.org/project/componentize-py/) 0.13.x
 - [curl](https://curl.se/download.html) or a web browser for testing
 
 Once you have Rust, Python, and pip installed, the following should give you everything else:
@@ -23,7 +23,7 @@ Once you have Rust, Python, and pip installed, the following should give you eve
 rustup target add wasm32-wasi
 cargo install cargo-component
 cargo install wac-cli
-pip install componentize-py
+pip install componentize-py=0.13.5
 ```
 
 ## Building and Running

examples/rust/src/lib.rs

@@ -21,10 +21,8 @@ mod bindings {
 async fn handle_request(request: IncomingRequest, response_out: ResponseOutparam) {
     match (request.method(), request.path_with_query().as_deref()) {
         (Method::Get, Some("/hello")) => {
-            let fields = Fields::new();
-            fields
-                .append(&"content-type".to_owned(), &b"text/plain".to_vec())
-                .unwrap();
+            let fields =
+                Fields::from_list(&[("content-type".to_owned(), b"text/plain".to_vec())]).unwrap();
             let response = OutgoingResponse::new(fields);
 
             let mut body = response.take_body();

src/bindings.rs

@@ -235,10 +235,7 @@ async fn handle_request(req: IncomingRequest, res_out: ResponseOutparam) {
         .unwrap_or(b"");
     match FileServer::make_response(path, enc, if_none_match) {
         Ok((status, headers, reader)) => {
-            let fields = Fields::new();
-            for (name, value) in headers {
-                let _ = fields.append(&name, &value);
-            }
+            let fields = Fields::from_list(&headers).unwrap();
             let res = OutgoingResponse::new(fields);
             let _ = res.set_status_code(status.as_u16());
             let mut body = res.take_body();