ENH: Add scalar special cases to Priority getter

Exact Python scalars can never have a priority, but checking
it is expensive. This adds checks for these to the Priority
getter function.

1 files changed, 7 insertions, 0 deletions

diff --git a/numpy/core/src/multiarray/common.c b/numpy/core/src/multiarray/common.c
index d67332118..ccd83c8b3 100644
--- a/numpy/core/src/multiarray/common.c
+++ b/numpy/core/src/multiarray/common.c
@@ -53,6 +53,13 @@ PyArray_GetAttrString_SuppressException(PyObject *obj, char *name)
 
     /* We do not need to check for special attributes on trivial types */
     if (obj == Py_None ||
+            /* Basic number types */
+#if !defined(NPY_PY3K)
+            PyInt_CheckExact(obj) ||
+#endif
+            PyLong_CheckExact(obj) ||
+            PyFloat_CheckExact(obj) ||
+            /* Basic sequence types */
             PyList_CheckExact(obj) ||
             PyTuple_CheckExact(obj)) {
         return NULL;