Merge branch 'master' into sh_merge_master

Author: rwgk

.clang-tidy

@@ -57,10 +57,12 @@ Checks: |
   readability-string-compare,
   readability-suspicious-call-argument,
   readability-uniqueptr-delete-release,
+  -bugprone-chained-comparison,
   -bugprone-easily-swappable-parameters,
   -bugprone-exception-escape,
   -bugprone-reserved-identifier,
   -bugprone-unused-raii,
+  -performance-enum-size,
 
 CheckOptions:
 - key:             modernize-use-equals-default.IgnoreMacros

.github/workflows/ci.yml

@@ -341,6 +341,12 @@ jobs:
           - clang: 16
             std: 20
             container_suffix: "-bullseye"
+          - clang: 17
+            std: 20
+            container_suffix: "-bookworm"
+          - clang: 18
+            std: 20
+            container_suffix: "-bookworm"
 
     name: "🐍 3 • Clang ${{ matrix.clang }} • C++${{ matrix.std }} • x64"
     container: "silkeh/clang:${{ matrix.clang }}${{ matrix.container_suffix }}"

.github/workflows/format.yml

@@ -42,7 +42,7 @@ jobs:
     # in .github/CONTRIBUTING.md and update as needed.
     name: Clang-Tidy
     runs-on: ubuntu-latest
-    container: silkeh/clang:15-bullseye
+    container: silkeh/clang:18-bookworm
     steps:
     - uses: actions/checkout@v4
 

docs/limitations.rst

@@ -50,10 +50,6 @@ clean, well written patch would likely be accepted to solve them.
   One consequence is that containers of ``char *`` are currently not supported.
   `#2245 <https://github.com/pybind/pybind11/issues/2245>`_
 
-- The ``cpptest`` does not run on Windows with Python 3.8 or newer, due to DLL
-  loader changes. User code that is correctly installed should not be affected.
-  `#2560 <https://github.com/pybind/pybind11/issue/2560>`_
-
 Python 3.9.0 warning
 ^^^^^^^^^^^^^^^^^^^^
 

include/pybind11/detail/internals.h

@@ -564,7 +564,7 @@ PYBIND11_NOINLINE internals &get_internals() {
         }
 #endif
         internals_ptr->istate = tstate->interp;
-        state_dict[PYBIND11_INTERNALS_ID] = capsule(internals_pp);
+        state_dict[PYBIND11_INTERNALS_ID] = capsule(reinterpret_cast<void *>(internals_pp));
         internals_ptr->registered_exception_translators.push_front(&translate_exception);
         internals_ptr->static_property_type = make_static_property_type();
         internals_ptr->default_metaclass = make_default_metaclass();

include/pybind11/detail/type_caster_base.h

@@ -428,7 +428,7 @@ PYBIND11_NOINLINE void instance::allocate_layout() {
 // NOLINTNEXTLINE(readability-make-member-function-const)
 PYBIND11_NOINLINE void instance::deallocate_layout() {
     if (!simple_layout) {
-        PyMem_Free(nonsimple.values_and_holders);
+        PyMem_Free(reinterpret_cast<void *>(nonsimple.values_and_holders));
     }
 }
 

include/pybind11/eigen/tensor.h

@@ -469,9 +469,6 @@ struct type_caster<Eigen::TensorMap<Type, Options>,
                 parent_object = reinterpret_borrow<object>(parent);
                 break;
 
-            case return_value_policy::take_ownership:
-                delete src;
-                // fallthrough
             default:
                 // move, take_ownership don't make any sense for a ref/map:
                 pybind11_fail("Invalid return_value_policy for Eigen Map type, must be either "

include/pybind11/numpy.h

@@ -901,7 +901,11 @@ class array : public buffer {
 
     template <typename T>
     array(ShapeContainer shape, StridesContainer strides, const T *ptr, handle base = handle())
-        : array(pybind11::dtype::of<T>(), std::move(shape), std::move(strides), ptr, base) {}
+        : array(pybind11::dtype::of<T>(),
+                std::move(shape),
+                std::move(strides),
+                reinterpret_cast<const void *>(ptr),
+                base) {}
 
     template <typename T>
     array(ShapeContainer shape, const T *ptr, handle base = handle())
@@ -1986,7 +1990,7 @@ struct vectorize_helper {
         // Pointers to values the function was called with; the vectorized ones set here will start
         // out as array_t<T> pointers, but they will be changed them to T pointers before we make
         // call the wrapped function.  Non-vectorized pointers are left as-is.
-        std::array<void *, N> params{{&args...}};
+        std::array<void *, N> params{{reinterpret_cast<void *>(&args)...}};
 
         // The array of `buffer_info`s of vectorized arguments:
         std::array<buffer_info, NVectorized> buffers{

include/pybind11/stl/filesystem.h

@@ -33,6 +33,13 @@
 PYBIND11_NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
 PYBIND11_NAMESPACE_BEGIN(detail)
 
+#ifdef PYPY_VERSION
+#    define PYBIND11_REINTERPRET_CAST_VOID_PTR_IF_NOT_PYPY(...) (__VA_ARGS__)
+#else
+#    define PYBIND11_REINTERPRET_CAST_VOID_PTR_IF_NOT_PYPY(...)                                   \
+        (reinterpret_cast<void *>(__VA_ARGS__))
+#endif
+
 #if defined(PYBIND11_HAS_FILESYSTEM) || defined(PYBIND11_HAS_EXPERIMENTAL_FILESYSTEM)
 template <typename T>
 struct path_caster {
@@ -72,15 +79,17 @@ struct path_caster {
         }
         PyObject *native = nullptr;
         if constexpr (std::is_same_v<typename T::value_type, char>) {
-            if (PyUnicode_FSConverter(buf, &native) != 0) {
+            if (PyUnicode_FSConverter(buf, PYBIND11_REINTERPRET_CAST_VOID_PTR_IF_NOT_PYPY(&native))
+                != 0) {
                 if (auto *c_str = PyBytes_AsString(native)) {
                     // AsString returns a pointer to the internal buffer, which
                     // must not be free'd.
                     value = c_str;
                 }
             }
         } else if constexpr (std::is_same_v<typename T::value_type, wchar_t>) {
-            if (PyUnicode_FSDecoder(buf, &native) != 0) {
+            if (PyUnicode_FSDecoder(buf, PYBIND11_REINTERPRET_CAST_VOID_PTR_IF_NOT_PYPY(&native))
+                != 0) {
                 if (auto *c_str = PyUnicode_AsWideCharString(native, nullptr)) {
                     // AsWideCharString returns a new string that must be free'd.
                     value = c_str; // Copies the string.

include/pybind11/stl_bind.h

@@ -180,7 +180,7 @@ void vector_modifiers(
                         v.end());
                 try {
                     v.shrink_to_fit();
-                } catch (const std::exception &) {
+                } catch (const std::exception &) { // NOLINT(bugprone-empty-catch)
                     // Do nothing
                 }
                 throw;