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Merge branch 'tokio-rs:main' into reverse-proxy-example-patch

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Afifurrohman 2024-05-10 10:30:41 +07:00 committed by GitHub
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23 changed files with 403 additions and 157 deletions
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2
.github/workflows/CI.yml vendored
View file

@ -227,4 +227,4 @@ jobs:
uses: actions/checkout@v4
- name: Check the spelling of the files in our repo
uses: crate-ci/typos@v1.16.2
uses: crate-ci/typos@v1.20.8

4
axum-core/Cargo.toml
View file

@ -26,6 +26,7 @@ http-body = "1.0.0"
http-body-util = "0.1.0"
mime = "0.3.16"
pin-project-lite = "0.2.7"
rustversion = "1.0.9"
sync_wrapper = "1.0.0"
tower-layer = "0.3"
tower-service = "0.3"
@ -34,9 +35,6 @@ tower-service = "0.3"
tower-http = { version = "0.5.0", optional = true, features = ["limit"] }
tracing = { version = "0.1.37", default-features = false, optional = true }
[build-dependencies]
rustversion = "1.0.9"
[dev-dependencies]
axum = { path = "../axum", version = "0.7.2" }
axum-extra = { path = "../axum-extra", features = ["typed-header"] }

7
axum-core/build.rs
View file

@ -1,7 +0,0 @@
#[rustversion::nightly]
fn main() {
println!("cargo:rustc-cfg=nightly_error_messages");
}
#[rustversion::not(nightly)]
fn main() {}

8
axum-core/src/extract/mod.rs
View file

@ -43,8 +43,8 @@ mod private {
///
/// [`axum::extract`]: https://docs.rs/axum/0.7/axum/extract/index.html
#[async_trait]
#[cfg_attr(
nightly_error_messages,
#[rustversion::attr(
since(1.78),
diagnostic::on_unimplemented(
note = "Function argument is not a valid axum extractor. \nSee `https://docs.rs/axum/0.7/axum/extract/index.html` for details",
)
@ -70,8 +70,8 @@ pub trait FromRequestParts<S>: Sized {
///
/// [`axum::extract`]: https://docs.rs/axum/0.7/axum/extract/index.html
#[async_trait]
#[cfg_attr(
nightly_error_messages,
#[rustversion::attr(
since(1.78),
diagnostic::on_unimplemented(
note = "Function argument is not a valid axum extractor. \nSee `https://docs.rs/axum/0.7/axum/extract/index.html` for details",
)

5
axum-macros/CHANGELOG.md
View file

@ -7,7 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
# Unreleased
- None.
- **added:** Add `#[debug_middleware]` ([#1993], [#2725])
[#1993]: https://github.com/tokio-rs/axum/pull/1993
[#2725]: https://github.com/tokio-rs/axum/pull/2725
# 0.4.1 (13. January, 2024)

354
axum-macros/src/debug_handler.rs
View file

@ -1,4 +1,4 @@
use std::collections::HashSet;
use std::{collections::HashSet, fmt};
use crate::{
attr_parsing::{parse_assignment_attribute, second},
@ -8,13 +8,13 @@ use proc_macro2::{Ident, Span, TokenStream};
use quote::{format_ident, quote, quote_spanned};
use syn::{parse::Parse, spanned::Spanned, FnArg, ItemFn, ReturnType, Token, Type};
pub(crate) fn expand(attr: Attrs, item_fn: ItemFn) -> TokenStream {
pub(crate) fn expand(attr: Attrs, item_fn: ItemFn, kind: FunctionKind) -> TokenStream {
let Attrs { state_ty } = attr;
let mut state_ty = state_ty.map(second);
let check_extractor_count = check_extractor_count(&item_fn);
let check_path_extractor = check_path_extractor(&item_fn);
let check_extractor_count = check_extractor_count(&item_fn, kind);
let check_path_extractor = check_path_extractor(&item_fn, kind);
let check_output_tuples = check_output_tuples(&item_fn);
let check_output_impls_into_response = if check_output_tuples.is_empty() {
check_output_impls_into_response(&item_fn)
@ -37,8 +37,10 @@ pub(crate) fn expand(attr: Attrs, item_fn: ItemFn) -> TokenStream {
err = Some(
syn::Error::new(
Span::call_site(),
"can't infer state type, please add set it explicitly, as in \
`#[debug_handler(state = MyStateType)]`",
format!(
"can't infer state type, please add set it explicitly, as in \
`#[axum_macros::debug_{kind}(state = MyStateType)]`"
),
)
.into_compile_error(),
);
@ -48,16 +50,16 @@ pub(crate) fn expand(attr: Attrs, item_fn: ItemFn) -> TokenStream {
err.unwrap_or_else(|| {
let state_ty = state_ty.unwrap_or_else(|| syn::parse_quote!(()));
let check_future_send = check_future_send(&item_fn);
let check_future_send = check_future_send(&item_fn, kind);
if let Some(check_input_order) = check_input_order(&item_fn) {
if let Some(check_input_order) = check_input_order(&item_fn, kind) {
quote! {
#check_input_order
#check_future_send
}
} else {
let check_inputs_impls_from_request =
check_inputs_impls_from_request(&item_fn, state_ty);
check_inputs_impls_from_request(&item_fn, state_ty, kind);
quote! {
#check_inputs_impls_from_request
@ -68,17 +70,45 @@ pub(crate) fn expand(attr: Attrs, item_fn: ItemFn) -> TokenStream {
} else {
syn::Error::new_spanned(
&item_fn.sig.generics,
"`#[axum_macros::debug_handler]` doesn't support generic functions",
format!("`#[axum_macros::debug_{kind}]` doesn't support generic functions"),
)
.into_compile_error()
};
let middleware_takes_next_as_last_arg =
matches!(kind, FunctionKind::Middleware).then(|| next_is_last_input(&item_fn));
quote! {
#item_fn
#check_extractor_count
#check_path_extractor
#check_output_impls_into_response
#check_inputs_and_future_send
#middleware_takes_next_as_last_arg
}
}
#[derive(Clone, Copy)]
pub(crate) enum FunctionKind {
Handler,
Middleware,
}
impl fmt::Display for FunctionKind {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
FunctionKind::Handler => f.write_str("handler"),
FunctionKind::Middleware => f.write_str("middleware"),
}
}
}
impl FunctionKind {
fn name_uppercase_plural(&self) -> &'static str {
match self {
FunctionKind::Handler => "Handlers",
FunctionKind::Middleware => "Middleware",
}
}
}
@ -110,25 +140,36 @@ impl Parse for Attrs {
}
}
fn check_extractor_count(item_fn: &ItemFn) -> Option<TokenStream> {
fn check_extractor_count(item_fn: &ItemFn, kind: FunctionKind) -> Option<TokenStream> {
let max_extractors = 16;
if item_fn.sig.inputs.len() <= max_extractors {
let inputs = item_fn
.sig
.inputs
.iter()
.filter(|arg| skip_next_arg(arg, kind))
.count();
if inputs <= max_extractors {
None
} else {
let error_message = format!(
"Handlers cannot take more than {max_extractors} arguments. \
"{} cannot take more than {max_extractors} arguments. \
Use `(a, b): (ExtractorA, ExtractorA)` to further nest extractors",
kind.name_uppercase_plural(),
);
let error = syn::Error::new_spanned(&item_fn.sig.inputs, error_message).to_compile_error();
Some(error)
}
}
fn extractor_idents(item_fn: &ItemFn) -> impl Iterator<Item = (usize, &syn::FnArg, &syn::Ident)> {
fn extractor_idents(
item_fn: &ItemFn,
kind: FunctionKind,
) -> impl Iterator<Item = (usize, &syn::FnArg, &syn::Ident)> {
item_fn
.sig
.inputs
.iter()
.filter(move |arg| skip_next_arg(arg, kind))
.enumerate()
.filter_map(|(idx, fn_arg)| match fn_arg {
FnArg::Receiver(_) => None,
@ -146,8 +187,8 @@ fn extractor_idents(item_fn: &ItemFn) -> impl Iterator<Item = (usize, &syn::FnAr
})
}
fn check_path_extractor(item_fn: &ItemFn) -> TokenStream {
let path_extractors = extractor_idents(item_fn)
fn check_path_extractor(item_fn: &ItemFn, kind: FunctionKind) -> TokenStream {
let path_extractors = extractor_idents(item_fn, kind)
.filter(|(_, _, ident)| *ident == "Path")
.collect::<Vec<_>>();
@ -179,113 +220,122 @@ fn is_self_pat_type(typed: &syn::PatType) -> bool {
ident == "self"
}
fn check_inputs_impls_from_request(item_fn: &ItemFn, state_ty: Type) -> TokenStream {
fn check_inputs_impls_from_request(
item_fn: &ItemFn,
state_ty: Type,
kind: FunctionKind,
) -> TokenStream {
let takes_self = item_fn.sig.inputs.first().map_or(false, |arg| match arg {
FnArg::Receiver(_) => true,
FnArg::Typed(typed) => is_self_pat_type(typed),
});
WithPosition::new(&item_fn.sig.inputs)
.enumerate()
.map(|(idx, arg)| {
let must_impl_from_request_parts = match &arg {
Position::First(_) | Position::Middle(_) => true,
Position::Last(_) | Position::Only(_) => false,
};
WithPosition::new(
item_fn
.sig
.inputs
.iter()
.filter(|arg| skip_next_arg(arg, kind)),
)
.enumerate()
.map(|(idx, arg)| {
let must_impl_from_request_parts = match &arg {
Position::First(_) | Position::Middle(_) => true,
Position::Last(_) | Position::Only(_) => false,
};
let arg = arg.into_inner();
let arg = arg.into_inner();
let (span, ty) = match arg {
FnArg::Receiver(receiver) => {
if receiver.reference.is_some() {
return syn::Error::new_spanned(
receiver,
"Handlers must only take owned values",
)
.into_compile_error();
}
let (span, ty) = match arg {
FnArg::Receiver(receiver) => {
if receiver.reference.is_some() {
return syn::Error::new_spanned(
receiver,
"Handlers must only take owned values",
)
.into_compile_error();
}
let span = receiver.span();
let span = receiver.span();
(span, syn::parse_quote!(Self))
}
FnArg::Typed(typed) => {
let ty = &typed.ty;
let span = ty.span();
if is_self_pat_type(typed) {
(span, syn::parse_quote!(Self))
}
FnArg::Typed(typed) => {
let ty = &typed.ty;
let span = ty.span();
if is_self_pat_type(typed) {
(span, syn::parse_quote!(Self))
} else {
(span, ty.clone())
}
}
};
let consumes_request = request_consuming_type_name(&ty).is_some();
let check_fn = format_ident!(
"__axum_macros_check_{}_{}_from_request_check",
item_fn.sig.ident,
idx,
span = span,
);
let call_check_fn = format_ident!(
"__axum_macros_check_{}_{}_from_request_call_check",
item_fn.sig.ident,
idx,
span = span,
);
let call_check_fn_body = if takes_self {
quote_spanned! {span=>
Self::#check_fn();
}
} else {
quote_spanned! {span=>
#check_fn();
}
};
let check_fn_generics = if must_impl_from_request_parts || consumes_request {
quote! {}
} else {
quote! { <M> }
};
let from_request_bound = if must_impl_from_request_parts {
quote_spanned! {span=>
#ty: ::axum::extract::FromRequestParts<#state_ty> + Send
}
} else if consumes_request {
quote_spanned! {span=>
#ty: ::axum::extract::FromRequest<#state_ty> + Send
}
} else {
quote_spanned! {span=>
#ty: ::axum::extract::FromRequest<#state_ty, M> + Send
}
};
quote_spanned! {span=>
#[allow(warnings)]
#[allow(unreachable_code)]
#[doc(hidden)]
fn #check_fn #check_fn_generics()
where
#from_request_bound,
{}
// we have to call the function to actually trigger a compile error
// since the function is generic, just defining it is not enough
#[allow(warnings)]
#[allow(unreachable_code)]
#[doc(hidden)]
fn #call_check_fn() {
#call_check_fn_body
} else {
(span, ty.clone())
}
}
})
.collect::<TokenStream>()
};
let consumes_request = request_consuming_type_name(&ty).is_some();
let check_fn = format_ident!(
"__axum_macros_check_{}_{}_from_request_check",
item_fn.sig.ident,
idx,
span = span,
);
let call_check_fn = format_ident!(
"__axum_macros_check_{}_{}_from_request_call_check",
item_fn.sig.ident,
idx,
span = span,
);
let call_check_fn_body = if takes_self {
quote_spanned! {span=>
Self::#check_fn();
}
} else {
quote_spanned! {span=>
#check_fn();
}
};
let check_fn_generics = if must_impl_from_request_parts || consumes_request {
quote! {}
} else {
quote! { <M> }
};
let from_request_bound = if must_impl_from_request_parts {
quote_spanned! {span=>
#ty: ::axum::extract::FromRequestParts<#state_ty> + Send
}
} else if consumes_request {
quote_spanned! {span=>
#ty: ::axum::extract::FromRequest<#state_ty> + Send
}
} else {
quote_spanned! {span=>
#ty: ::axum::extract::FromRequest<#state_ty, M> + Send
}
};
quote_spanned! {span=>
#[allow(warnings)]
#[doc(hidden)]
fn #check_fn #check_fn_generics()
where
#from_request_bound,
{}
// we have to call the function to actually trigger a compile error
// since the function is generic, just defining it is not enough
#[allow(warnings)]
#[doc(hidden)]
fn #call_check_fn()
{
#call_check_fn_body
}
}
})
.collect::<TokenStream>()
}
fn check_output_tuples(item_fn: &ItemFn) -> TokenStream {
@ -445,11 +495,19 @@ fn check_into_response_parts(ty: &Type, ident: &Ident, index: usize) -> TokenStr
}
}
fn check_input_order(item_fn: &ItemFn) -> Option<TokenStream> {
fn check_input_order(item_fn: &ItemFn, kind: FunctionKind) -> Option<TokenStream> {
let number_of_inputs = item_fn
.sig
.inputs
.iter()
.filter(|arg| skip_next_arg(arg, kind))
.count();
let types_that_consume_the_request = item_fn
.sig
.inputs
.iter()
.filter(|arg| skip_next_arg(arg, kind))
.enumerate()
.filter_map(|(idx, arg)| {
let ty = match arg {
@ -469,7 +527,7 @@ fn check_input_order(item_fn: &ItemFn) -> Option<TokenStream> {
// exactly one type that consumes the request
if types_that_consume_the_request.len() == 1 {
// and that is not the last
if types_that_consume_the_request[0].0 != item_fn.sig.inputs.len() - 1 {
if types_that_consume_the_request[0].0 != number_of_inputs - 1 {
let (_idx, type_name, span) = &types_that_consume_the_request[0];
let error = format!(
"`{type_name}` consumes the request body and thus must be \
@ -653,13 +711,13 @@ fn check_output_impls_into_response(item_fn: &ItemFn) -> TokenStream {
}
}
fn check_future_send(item_fn: &ItemFn) -> TokenStream {
fn check_future_send(item_fn: &ItemFn, kind: FunctionKind) -> TokenStream {
if item_fn.sig.asyncness.is_none() {
match &item_fn.sig.output {
syn::ReturnType::Default => {
return syn::Error::new_spanned(
item_fn.sig.fn_token,
"Handlers must be `async fn`s",
format!("{} must be `async fn`s", kind.name_uppercase_plural()),
)
.into_compile_error();
}
@ -763,7 +821,69 @@ fn state_types_from_args(item_fn: &ItemFn) -> HashSet<Type> {
crate::infer_state_types(types).collect()
}
fn next_is_last_input(item_fn: &ItemFn) -> TokenStream {
let next_args = item_fn
.sig
.inputs
.iter()
.enumerate()
.filter(|(_, arg)| !skip_next_arg(arg, FunctionKind::Middleware))
.collect::<Vec<_>>();
if next_args.is_empty() {
return quote! {
compile_error!(
"Middleware functions must take `axum::middleware::Next` as the last argument",
);
};
}
if next_args.len() == 1 {
let (idx, arg) = &next_args[0];
if *idx != item_fn.sig.inputs.len() - 1 {
return quote_spanned! {arg.span()=>
compile_error!("`axum::middleware::Next` must the last argument");
};
}
}
if next_args.len() >= 2 {
return quote! {
compile_error!(
"Middleware functions can only take one argument of type `axum::middleware::Next`",
);
};
}
quote! {}
}
fn skip_next_arg(arg: &FnArg, kind: FunctionKind) -> bool {
match kind {
FunctionKind::Handler => true,
FunctionKind::Middleware => match arg {
FnArg::Receiver(_) => true,
FnArg::Typed(pat_type) => {
if let Type::Path(type_path) = &*pat_type.ty {
type_path
.path
.segments
.last()
.map_or(true, |path_segment| path_segment.ident != "Next")
} else {
true
}
}
},
}
}
#[test]
fn ui() {
fn ui_debug_handler() {
crate::run_ui_tests("debug_handler");
}
#[test]
fn ui_debug_middleware() {
crate::run_ui_tests("debug_middleware");
}

67
axum-macros/src/lib.rs
View file

@ -44,6 +44,7 @@
#![cfg_attr(test, allow(clippy::float_cmp))]
#![cfg_attr(not(test), warn(clippy::print_stdout, clippy::dbg_macro))]
use debug_handler::FunctionKind;
use proc_macro::TokenStream;
use quote::{quote, ToTokens};
use syn::{parse::Parse, Type};
@ -464,7 +465,7 @@ pub fn derive_from_request_parts(item: TokenStream) -> TokenStream {
expand_with(item, |item| from_request::expand(item, FromRequestParts))
}
/// Generates better error messages when applied handler functions.
/// Generates better error messages when applied to handler functions.
///
/// While using [`axum`], you can get long error messages for simple mistakes. For example:
///
@ -515,17 +516,15 @@ pub fn derive_from_request_parts(item: TokenStream) -> TokenStream {
///
/// As the error message says, handler function needs to be async.
///
/// ```
/// ```no_run
/// use axum::{routing::get, Router, debug_handler};
///
/// #[tokio::main]
/// async fn main() {
/// # async {
/// let app = Router::new().route("/", get(handler));
///
/// let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap();
/// axum::serve(listener, app).await.unwrap();
/// # };
/// }
///
/// #[debug_handler]
@ -618,7 +617,65 @@ pub fn debug_handler(_attr: TokenStream, input: TokenStream) -> TokenStream {
return input;
#[cfg(debug_assertions)]
return expand_attr_with(_attr, input, debug_handler::expand);
return expand_attr_with(_attr, input, |attrs, item_fn| {
debug_handler::expand(attrs, item_fn, FunctionKind::Handler)
});
}
/// Generates better error messages when applied to middleware functions.
///
/// This works similarly to [`#[debug_handler]`](macro@debug_handler) except for middleware using
/// [`axum::middleware::from_fn`].
///
/// # Example
///
/// ```no_run
/// use axum::{
/// routing::get,
/// extract::Request,
/// response::Response,
/// Router,
/// middleware::{self, Next},
/// debug_middleware,
/// };
///
/// #[tokio::main]
/// async fn main() {
/// let app = Router::new()
/// .route("/", get(|| async {}))
/// .layer(middleware::from_fn(my_middleware));
///
/// let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap();
/// axum::serve(listener, app).await.unwrap();
/// }
///
/// // if this wasn't a valid middleware function #[debug_middleware] would
/// // improve compile error
/// #[debug_middleware]
/// async fn my_middleware(
/// request: Request,
/// next: Next,
/// ) -> Response {
/// next.run(request).await
/// }
/// ```
///
/// # Performance
///
/// This macro has no effect when compiled with the release profile. (eg. `cargo build --release`)
///
/// [`axum`]: https://docs.rs/axum/latest
/// [`axum::middleware::from_fn`]: https://docs.rs/axum/0.7/axum/middleware/fn.from_fn.html
/// [`debug_middleware`]: macro@debug_middleware
#[proc_macro_attribute]
pub fn debug_middleware(_attr: TokenStream, input: TokenStream) -> TokenStream {
#[cfg(not(debug_assertions))]
return input;
#[cfg(debug_assertions)]
return expand_attr_with(_attr, input, |attrs, item_fn| {
debug_handler::expand(attrs, item_fn, FunctionKind::Middleware)
});
}
/// Private API: Do no use this!

13
axum-macros/tests/debug_middleware/fail/doesnt_take_next.rs Normal file
View file

@ -0,0 +1,13 @@
use axum::{
debug_middleware,
extract::Request,
response::{IntoResponse, Response},
};
#[debug_middleware]
async fn my_middleware(request: Request) -> Response {
let _ = request;
().into_response()
}
fn main() {}

7
axum-macros/tests/debug_middleware/fail/doesnt_take_next.stderr Normal file
View file

@ -0,0 +1,7 @@
error: Middleware functions must take `axum::middleware::Next` as the last argument
--> tests/debug_middleware/fail/doesnt_take_next.rs:7:1
|
7 | #[debug_middleware]
| ^^^^^^^^^^^^^^^^^^^
|
= note: this error originates in the attribute macro `debug_middleware` (in Nightly builds, run with -Z macro-backtrace for more info)

13
axum-macros/tests/debug_middleware/fail/next_not_last.rs Normal file
View file

@ -0,0 +1,13 @@
use axum::{
extract::Request,
response::Response,
middleware::Next,
debug_middleware,
};
#[debug_middleware]
async fn my_middleware(next: Next, request: Request) -> Response {
next.run(request).await
}
fn main() {}

5
axum-macros/tests/debug_middleware/fail/next_not_last.stderr Normal file
View file

@ -0,0 +1,5 @@
error: `axum::middleware::Next` must the last argument
--> tests/debug_middleware/fail/next_not_last.rs:9:24
|
9 | async fn my_middleware(next: Next, request: Request) -> Response {
| ^^^^^^^^^^

9
axum-macros/tests/debug_middleware/fail/takes_next_twice.rs Normal file
View file

@ -0,0 +1,9 @@
use axum::{debug_middleware, extract::Request, middleware::Next, response::Response};
#[debug_middleware]
async fn my_middleware(request: Request, next: Next, next2: Next) -> Response {
let _ = next2;
next.run(request).await
}
fn main() {}

7
axum-macros/tests/debug_middleware/fail/takes_next_twice.stderr Normal file
View file

@ -0,0 +1,7 @@
error: Middleware functions can only take one argument of type `axum::middleware::Next`
--> tests/debug_middleware/fail/takes_next_twice.rs:3:1
|
3 | #[debug_middleware]
| ^^^^^^^^^^^^^^^^^^^
|
= note: this error originates in the attribute macro `debug_middleware` (in Nightly builds, run with -Z macro-backtrace for more info)

13
axum-macros/tests/debug_middleware/pass/basic.rs Normal file
View file

@ -0,0 +1,13 @@
use axum::{
extract::Request,
response::Response,
middleware::Next,
debug_middleware,
};
#[debug_middleware]
async fn my_middleware(request: Request, next: Next) -> Response {
next.run(request).await
}
fn main() {}

3
axum/CHANGELOG.md
View file

@ -18,7 +18,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
a `Router` or `MethodRouter` ([#2586])
- **fixed:** `h2` is no longer pulled as a dependency unless the `http2` feature
is enabled ([#2605])
- **added:** Add `#[debug_middleware]` ([#1993], [#2725])
[#1993]: https://github.com/tokio-rs/axum/pull/1993
[#2725]: https://github.com/tokio-rs/axum/pull/2725
[#2586]: https://github.com/tokio-rs/axum/pull/2586
[#2605]: https://github.com/tokio-rs/axum/pull/2605

5
axum/Cargo.toml
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@ -54,6 +54,7 @@ memchr = "2.4.1"
mime = "0.3.16"
percent-encoding = "2.1"
pin-project-lite = "0.2.7"
rustversion = "1.0.9"
serde = "1.0"
sync_wrapper = "1.0.0"
tower = { version = "0.4.13", default-features = false, features = ["util"] }
@ -109,16 +110,12 @@ features = [
"validate-request",
]
[build-dependencies]
rustversion = "1.0.9"
[dev-dependencies]
anyhow = "1.0"
axum-macros = { path = "../axum-macros", version = "0.4.1", features = ["__private"] }
quickcheck = "1.0"
quickcheck_macros = "1.0"
reqwest = { version = "0.12", default-features = false, features = ["json", "stream", "multipart"] }
rustversion = "1.0.9"
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
time = { version = "0.3", features = ["serde-human-readable"] }

7
axum/build.rs
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@ -1,7 +0,0 @@
#[rustversion::nightly]
fn main() {
println!("cargo:rustc-cfg=nightly_error_messages");
}
#[rustversion::not(nightly)]
fn main() {}

2
axum/src/docs/extract.md
View file

@ -284,7 +284,7 @@ let app = Router::new().route("/users", post(create_user));
# Customizing extractor responses
If an extractor fails it will return a response with the error and your
handler will not be called. To customize the error response you have a two
handler will not be called. To customize the error response you have two
options:
1. Use `Result<T, T::Rejection>` as your extractor like shown in ["Optional

17
axum/src/docs/routing/route.md
View file

@ -56,7 +56,22 @@ Note that `/*key` doesn't match empty segments. Thus:
- `/*key` doesn't match `/` but does match `/a`, `/a/`, etc.
- `/x/*key` doesn't match `/x` or `/x/` but does match `/x/a`, `/x/a/`, etc.
Wildcard captures can also be extracted using [`Path`](crate::extract::Path).
Wildcard captures can also be extracted using [`Path`](crate::extract::Path):
```rust
use axum::{
Router,
routing::get,
extract::Path,
};
let app: Router = Router::new().route("/*key", get(handler));
async fn handler(Path(path): Path<String>) -> String {
path
}
```
Note that the leading slash is not included, i.e. for the route `/foo/*rest` and
the path `/foo/bar/baz` the value of `rest` will be `bar/baz`.

4
axum/src/handler/mod.rs
View file

@ -125,8 +125,8 @@ pub use self::service::HandlerService;
/// )));
/// # let _: Router = app;
/// ```
#[cfg_attr(
nightly_error_messages,
#[rustversion::attr(
since(1.78),
diagnostic::on_unimplemented(
note = "Consider using `#[axum::debug_handler]` to improve the error message"
)

2
axum/src/lib.rs
View file

@ -463,7 +463,7 @@ pub use self::form::Form;
pub use axum_core::{BoxError, Error, RequestExt, RequestPartsExt};
#[cfg(feature = "macros")]
pub use axum_macros::debug_handler;
pub use axum_macros::{debug_handler, debug_middleware};
#[cfg(all(feature = "tokio", any(feature = "http1", feature = "http2")))]
#[doc(inline)]

4
examples/chat/src/main.rs
View file

@ -130,8 +130,8 @@ async fn websocket(stream: WebSocket, state: Arc<AppState>) {
// If any one of the tasks run to completion, we abort the other.
tokio::select! {
_ = (&mut send_task) => recv_task.abort(),
_ = (&mut recv_task) => send_task.abort(),
_ = &mut send_task => recv_task.abort(),
_ = &mut recv_task => send_task.abort(),
};
// Send "user left" message (similar to "joined" above).

2
examples/websockets/src/main.rs
View file

@ -99,7 +99,7 @@ async fn ws_handler(
/// Actual websocket statemachine (one will be spawned per connection)
async fn handle_socket(mut socket: WebSocket, who: SocketAddr) {
//send a ping (unsupported by some browsers) just to kick things off and get a response
// send a ping (unsupported by some browsers) just to kick things off and get a response
if socket.send(Message::Ping(vec![1, 2, 3])).await.is_ok() {
println!("Pinged {who}...");
} else {