ci: updates for rust 1.71

benches/bench_dict.rs

@@ -10,7 +10,7 @@ fn iter_dict(b: &mut Bencher<'_>) {
         let dict = (0..LEN as u64).map(|i| (i, i * 2)).into_py_dict(py);
         let mut sum = 0;
         b.iter(|| {
-            for (k, _v) in dict.iter() {
+            for (k, _v) in dict {
                 let i: u64 = k.extract().unwrap();
                 sum += i;
             }

benches/bench_list.rs

@@ -9,7 +9,7 @@ fn iter_list(b: &mut Bencher<'_>) {
         let list = PyList::new(py, 0..LEN);
         let mut sum = 0;
         b.iter(|| {
-            for x in list.iter() {
+            for x in list {
                 let i: u64 = x.extract().unwrap();
                 sum += i;
             }

benches/bench_set.rs

@@ -24,7 +24,7 @@ fn iter_set(b: &mut Bencher<'_>) {
         let set = PySet::new(py, &(0..LEN).collect::<Vec<_>>()).unwrap();
         let mut sum = 0;
         b.iter(|| {
-            for x in set.iter() {
+            for x in set {
                 let i: u64 = x.extract().unwrap();
                 sum += i;
             }

benches/bench_tuple.rs

@@ -9,7 +9,7 @@ fn iter_tuple(b: &mut Bencher<'_>) {
         let tuple = PyTuple::new(py, 0..LEN);
         let mut sum = 0;
         b.iter(|| {
-            for x in tuple.iter() {
+            for x in tuple {
                 let i: u64 = x.extract().unwrap();
                 sum += i;
             }

pyo3-macros-backend/src/pyimpl.rs

@@ -97,7 +97,7 @@ pub fn impl_methods(
 
     let mut implemented_proto_fragments = HashSet::new();
 
-    for iimpl in impls.iter_mut() {
+    for iimpl in impls {
         match iimpl {
             syn::ImplItem::Fn(meth) => {
                 let mut fun_options = PyFunctionOptions::from_attrs(&mut meth.attrs)?;

pyo3-macros-backend/src/utils.rs

@@ -79,7 +79,7 @@ pub fn get_doc(attrs: &[syn::Attribute], mut text_signature: Option<String>) ->
     let mut first = true;
     let mut current_part = text_signature.unwrap_or_default();
 
-    for attr in attrs.iter() {
+    for attr in attrs {
         if attr.path().is_ident("doc") {
             if let Ok(nv) = attr.meta.require_name_value() {
                 if !first {

pytests/src/dict_iter.rs

@@ -22,7 +22,7 @@ impl DictSize {
 
     fn iter_dict(&mut self, _py: Python<'_>, dict: &PyDict) -> PyResult<u32> {
         let mut seen = 0u32;
-        for (sym, values) in dict.iter() {
+        for (sym, values) in dict {
             seen += 1;
             println!(
                 "{:4}/{:4} iterations:{}=>{}",

src/conversions/hashbrown.rs

@@ -57,7 +57,7 @@ where
     fn extract(ob: &'source PyAny) -> Result<Self, PyErr> {
         let dict: &PyDict = ob.downcast()?;
         let mut ret = hashbrown::HashMap::with_capacity_and_hasher(dict.len(), S::default());
-        for (k, v) in dict.iter() {
+        for (k, v) in dict {
             ret.insert(K::extract(k)?, V::extract(v)?);
         }
         Ok(ret)

src/conversions/indexmap.rs

@@ -125,7 +125,7 @@ where
     fn extract(ob: &'source PyAny) -> Result<Self, PyErr> {
         let dict: &PyDict = ob.downcast()?;
         let mut ret = indexmap::IndexMap::with_capacity_and_hasher(dict.len(), S::default());
-        for (k, v) in dict.iter() {
+        for (k, v) in dict {
             ret.insert(K::extract(k)?, V::extract(v)?);
         }
         Ok(ret)

src/conversions/std/map.rs

@@ -74,7 +74,7 @@ where
     fn extract(ob: &'source PyAny) -> Result<Self, PyErr> {
         let dict: &PyDict = ob.downcast()?;
         let mut ret = collections::HashMap::with_capacity_and_hasher(dict.len(), S::default());
-        for (k, v) in dict.iter() {
+        for (k, v) in dict {
             ret.insert(K::extract(k)?, V::extract(v)?);
         }
         Ok(ret)
@@ -94,7 +94,7 @@ where
     fn extract(ob: &'source PyAny) -> Result<Self, PyErr> {
         let dict: &PyDict = ob.downcast()?;
         let mut ret = collections::BTreeMap::new();
-        for (k, v) in dict.iter() {
+        for (k, v) in dict {
             ret.insert(K::extract(k)?, V::extract(v)?);
         }
         Ok(ret)

src/exceptions.rs

@@ -724,7 +724,7 @@ impl_native_exception!(
 
 #[cfg(test)]
 macro_rules! test_exception {
-    ($exc_ty:ident $(, $constructor:expr)?) => {
+    ($exc_ty:ident $(, |$py:tt| $constructor:expr )?) => {
         #[allow(non_snake_case)]
         #[test]
         fn $exc_ty () {
@@ -735,7 +735,7 @@ macro_rules! test_exception {
                 let err: $crate::PyErr = {
                     None
                     $(
-                        .or(Some($constructor(py)))
+                        .or(Some({ let $py = py; $constructor }))
                     )?
                         .unwrap_or($exc_ty::new_err("a test exception"))
                 };
@@ -770,12 +770,12 @@ pub mod asyncio {
         test_exception!(CancelledError);
         test_exception!(InvalidStateError);
         test_exception!(TimeoutError);
-        test_exception!(IncompleteReadError, |_| {
+        test_exception!(IncompleteReadError, |_| IncompleteReadError::new_err((
-            IncompleteReadError::new_err(("partial", "expected"))
+            "partial", "expected"
-        });
+        )));
-        test_exception!(LimitOverrunError, |_| {
+        test_exception!(LimitOverrunError, |_| LimitOverrunError::new_err((
-            LimitOverrunError::new_err(("message", "consumed"))
+            "message", "consumed"
-        });
+        )));
         test_exception!(QueueEmpty);
         test_exception!(QueueFull);
     }
@@ -1033,9 +1033,10 @@ mod tests {
         });
     }
     #[cfg(Py_3_11)]
-    test_exception!(PyBaseExceptionGroup, |_| {
+    test_exception!(PyBaseExceptionGroup, |_| PyBaseExceptionGroup::new_err((
-        PyBaseExceptionGroup::new_err(("msg", vec![PyValueError::new_err("err")]))
+        "msg",
-    });
+        vec![PyValueError::new_err("err")]
+    )));
     test_exception!(PyBaseException);
     test_exception!(PyException);
     test_exception!(PyStopAsyncIteration);
@@ -1072,10 +1073,9 @@ mod tests {
         let err = std::str::from_utf8(invalid_utf8).expect_err("should be invalid utf8");
         PyErr::from_value(PyUnicodeDecodeError::new_utf8(py, invalid_utf8, err).unwrap())
     });
-    test_exception!(PyUnicodeEncodeError, |py: Python<'_>| {
+    test_exception!(PyUnicodeEncodeError, |py| py
-        py.eval("chr(40960).encode('ascii')", None, None)
+        .eval("chr(40960).encode('ascii')", None, None)
-            .unwrap_err()
+        .unwrap_err());
-    });
     test_exception!(PyUnicodeTranslateError, |_| {
         PyUnicodeTranslateError::new_err(("\u{3042}", 0, 1, "ouch"))
     });

src/types/dict.rs

@@ -654,7 +654,7 @@ mod tests {
             // Can't just compare against a vector of tuples since we don't have a guaranteed ordering.
             let mut key_sum = 0;
             let mut value_sum = 0;
-            for el in dict.items().iter() {
+            for el in dict.items() {
                 let tuple = el.downcast::<PyTuple>().unwrap();
                 key_sum += tuple.get_item(0).unwrap().extract::<i32>().unwrap();
                 value_sum += tuple.get_item(1).unwrap().extract::<i32>().unwrap();
@@ -675,7 +675,7 @@ mod tests {
             let dict: &PyDict = ob.downcast(py).unwrap();
             // Can't just compare against a vector of tuples since we don't have a guaranteed ordering.
             let mut key_sum = 0;
-            for el in dict.keys().iter() {
+            for el in dict.keys() {
                 key_sum += el.extract::<i32>().unwrap();
             }
             assert_eq!(7 + 8 + 9, key_sum);
@@ -693,7 +693,7 @@ mod tests {
             let dict: &PyDict = ob.downcast(py).unwrap();
             // Can't just compare against a vector of tuples since we don't have a guaranteed ordering.
             let mut values_sum = 0;
-            for el in dict.values().iter() {
+            for el in dict.values() {
                 values_sum += el.extract::<i32>().unwrap();
             }
             assert_eq!(32 + 42 + 123, values_sum);
@@ -711,7 +711,7 @@ mod tests {
             let dict: &PyDict = ob.downcast(py).unwrap();
             let mut key_sum = 0;
             let mut value_sum = 0;
-            for (key, value) in dict.iter() {
+            for (key, value) in dict {
                 key_sum += key.extract::<i32>().unwrap();
                 value_sum += value.extract::<i32>().unwrap();
             }
@@ -731,7 +731,7 @@ mod tests {
             let ob = v.to_object(py);
             let dict: &PyDict = ob.downcast(py).unwrap();
 
-            for (key, value) in dict.iter() {
+            for (key, value) in dict {
                 dict.set_item(key, value.extract::<i32>().unwrap() + 7)
                     .unwrap();
             }

src/types/frozenset.rs

@@ -260,7 +260,7 @@ mod tests {
             let set = PyFrozenSet::new(py, &[1]).unwrap();
 
             // iter method
-            for el in set.iter() {
+            for el in set {
                 assert_eq!(1i32, el.extract::<i32>().unwrap());
             }
 

src/types/list.rs

@@ -474,7 +474,7 @@ mod tests {
             let v = vec![2, 3, 5, 7];
             let list = PyList::new(py, &v);
             let mut idx = 0;
-            for el in list.iter() {
+            for el in list {
                 assert_eq!(v[idx], el.extract::<i32>().unwrap());
                 idx += 1;
             }

src/types/sequence.rs

@@ -773,7 +773,7 @@ mod tests {
             let seq = ob.downcast::<PySequence>(py).unwrap();
             let repeat_seq = seq.repeat(3).unwrap();
             assert_eq!(6, repeat_seq.len().unwrap());
-            let repeated = vec!["foo", "bar", "foo", "bar", "foo", "bar"];
+            let repeated = ["foo", "bar", "foo", "bar", "foo", "bar"];
             for (el, rpt) in repeat_seq.iter().unwrap().zip(repeated.iter()) {
                 assert_eq!(*rpt, el.unwrap().extract::<String>().unwrap());
             }

src/types/set.rs

@@ -368,7 +368,7 @@ mod tests {
             let set = PySet::new(py, &[1]).unwrap();
 
             // iter method
-            for el in set.iter() {
+            for el in set {
                 assert_eq!(1i32, el.extract::<'_, i32>().unwrap());
             }
 

src/types/string.rs

@@ -296,7 +296,7 @@ mod tests {
     #[test]
     fn test_to_str_surrogate() {
         Python::with_gil(|py| {
-            let obj: PyObject = py.eval(r#"'\ud800'"#, None, None).unwrap().into();
+            let obj: PyObject = py.eval(r"'\ud800'", None, None).unwrap().into();
             let py_string: &PyString = obj.downcast(py).unwrap();
             assert!(py_string.to_str().is_err());
         })
@@ -316,7 +316,7 @@ mod tests {
     fn test_to_string_lossy() {
         Python::with_gil(|py| {
             let obj: PyObject = py
-                .eval(r#"'🐈 Hello \ud800World'"#, None, None)
+                .eval(r"'🐈 Hello \ud800World'", None, None)
                 .unwrap()
                 .into();
             let py_string: &PyString = obj.downcast(py).unwrap();

tests/test_dict_iter.rs

@@ -8,7 +8,7 @@ fn iter_dict_nosegv() {
         const LEN: usize = 10_000_000;
         let dict = (0..LEN as u64).map(|i| (i, i * 2)).into_py_dict(py);
         let mut sum = 0;
-        for (k, _v) in dict.iter() {
+        for (k, _v) in dict {
             let i: u64 = k.extract().unwrap();
             sum += i;
         }

tests/ui/invalid_closure.stderr

@@ -1,6 +1,8 @@
 error[E0597]: `local_data` does not live long enough
   --> tests/ui/invalid_closure.rs:7:27
    |
+6  |         let local_data = vec![0, 1, 2, 3, 4];
+   |             ---------- binding `local_data` declared here
 7  |         let ref_: &[u8] = &local_data;
    |                           ^^^^^^^^^^^ borrowed value does not live long enough
 ...

tests/ui/invalid_frozen_pyclass_borrow.stderr

@@ -25,6 +25,9 @@ error[E0271]: type mismatch resolving `<Foo as PyClass>::Frozen == False`
 note: required by a bound in `pyo3::PyCell::<T>::borrow_mut`
   --> src/pycell.rs
    |
+   |     pub fn borrow_mut(&self) -> PyRefMut<'_, T>
+   |            ---------- required by a bound in this associated function
+   |     where
    |         T: PyClass<Frozen = False>,
    |                    ^^^^^^^^^^^^^^ required by this bound in `PyCell::<T>::borrow_mut`
 
@@ -37,6 +40,9 @@ error[E0271]: type mismatch resolving `<ImmutableChild as PyClass>::Frozen == Fa
 note: required by a bound in `pyo3::PyCell::<T>::borrow_mut`
   --> src/pycell.rs
    |
+   |     pub fn borrow_mut(&self) -> PyRefMut<'_, T>
+   |            ---------- required by a bound in this associated function
+   |     where
    |         T: PyClass<Frozen = False>,
    |                    ^^^^^^^^^^^^^^ required by this bound in `PyCell::<T>::borrow_mut`
 
@@ -49,6 +55,9 @@ error[E0271]: type mismatch resolving `<MutableBase as PyClass>::Frozen == True`
 note: required by a bound in `pyo3::Py::<T>::get`
   --> src/instance.rs
    |
+   |     pub fn get(&self) -> &T
+   |            --- required by a bound in this associated function
+   |     where
    |         T: PyClass<Frozen = True> + Sync,
    |                    ^^^^^^^^^^^^^ required by this bound in `Py::<T>::get`
 
@@ -61,5 +70,8 @@ error[E0271]: type mismatch resolving `<MutableBase as PyClass>::Frozen == True`
 note: required by a bound in `pyo3::PyCell::<T>::get`
   --> src/pycell.rs
    |
+   |     pub fn get(&self) -> &T
+   |            --- required by a bound in this associated function
+   |     where
    |         T: PyClass<Frozen = True> + Sync,
    |                    ^^^^^^^^^^^^^ required by this bound in `PyCell::<T>::get`

tests/ui/not_send.stderr

@@ -7,11 +7,27 @@ error[E0277]: `*mut pyo3::Python<'static>` cannot be shared between threads safe
   |        required by a bound introduced by this call
   |
   = help: within `pyo3::Python<'_>`, the trait `Sync` is not implemented for `*mut pyo3::Python<'static>`
-  = note: required because it appears within the type `PhantomData<*mut Python<'static>>`
+note: required because it appears within the type `PhantomData<*mut Python<'static>>`
-  = note: required because it appears within the type `NotSend`
+ --> $RUST/core/src/marker.rs
+  |
+  | pub struct PhantomData<T: ?Sized>;
+  |            ^^^^^^^^^^^
+note: required because it appears within the type `NotSend`
+ --> src/impl_/not_send.rs
+  |
+  | pub(crate) struct NotSend(PhantomData<*mut Python<'static>>);
+  |                   ^^^^^^^
   = note: required because it appears within the type `(&GILGuard, NotSend)`
-  = note: required because it appears within the type `PhantomData<(&GILGuard, NotSend)>`
+note: required because it appears within the type `PhantomData<(&GILGuard, NotSend)>`
-  = note: required because it appears within the type `Python<'_>`
+ --> $RUST/core/src/marker.rs
+  |
+  | pub struct PhantomData<T: ?Sized>;
+  |            ^^^^^^^^^^^
+note: required because it appears within the type `Python<'_>`
+ --> src/marker.rs
+  |
+  | pub struct Python<'py>(PhantomData<(&'py GILGuard, NotSend)>);
+  |            ^^^^^^
   = note: required for `&pyo3::Python<'_>` to implement `Send`
 note: required because it's used within this closure
  --> tests/ui/not_send.rs:4:22
@@ -22,5 +38,8 @@ note: required because it's used within this closure
 note: required by a bound in `pyo3::Python::<'py>::allow_threads`
  --> src/marker.rs
   |
+  |     pub fn allow_threads<T, F>(self, f: F) -> T
+  |            ------------- required by a bound in this associated function
+  |     where
   |         F: Ungil + FnOnce() -> T,
   |            ^^^^^ required by this bound in `Python::<'py>::allow_threads`

tests/ui/not_send2.stderr

@@ -10,8 +10,16 @@ error[E0277]: `UnsafeCell<PyObject>` cannot be shared between threads safely
    | |_________^ `UnsafeCell<PyObject>` cannot be shared between threads safely
    |
    = help: within `&PyString`, the trait `Sync` is not implemented for `UnsafeCell<PyObject>`
-   = note: required because it appears within the type `PyAny`
+note: required because it appears within the type `PyAny`
-   = note: required because it appears within the type `PyString`
+  --> src/types/any.rs
+   |
+   | pub struct PyAny(UnsafeCell<ffi::PyObject>);
+   |            ^^^^^
+note: required because it appears within the type `PyString`
+  --> src/types/string.rs
+   |
+   | pub struct PyString(PyAny);
+   |            ^^^^^^^^
    = note: required because it appears within the type `&PyString`
    = note: required for `&&PyString` to implement `Send`
 note: required because it's used within this closure
@@ -23,5 +31,8 @@ note: required because it's used within this closure
 note: required by a bound in `pyo3::Python::<'py>::allow_threads`
   --> src/marker.rs
    |
+   |     pub fn allow_threads<T, F>(self, f: F) -> T
+   |            ------------- required by a bound in this associated function
+   |     where
    |         F: Ungil + FnOnce() -> T,
    |            ^^^^^ required by this bound in `Python::<'py>::allow_threads`