Disallow registering dtypes multiple times

2026-05-13 01:36:21 +00:00 · 2016-10-20 16:57:12 +01:00
parent ccc69f91f4
commit 7edd72db24
3 changed files with 13 additions and 0 deletions
--- a/include/pybind11/numpy.h
+++ b/include/pybind11/numpy.h
@@ -668,6 +668,9 @@ struct npy_format_descriptor<T, enable_if_t<is_pod_struct<T>::value>> {
    }

    static void register_dtype(std::initializer_list<field_descriptor> fields) {
+        if (dtype_ptr)
+            pybind11_fail("NumPy: dtype is already registered");
+
        list names, formats, offsets;
        for (auto field : fields) {
            if (!field.descr)