BUG: Fix DeprecationWarning in python 3.8 due to implicit conversion to int

Since `total_seconds` returns a python `float`, its easiest to convert to a C float and do the int conversion there

Fixes gh-14077

1 files changed, 4 insertions, 1 deletions

diff --git a/numpy/core/src/multiarray/datetime.c b/numpy/core/src/multiarray/datetime.c
index 768eb1e64..60e6bbae2 100644
--- a/numpy/core/src/multiarray/datetime.c
+++ b/numpy/core/src/multiarray/datetime.c
@@ -2272,7 +2272,10 @@ convert_pydatetime_to_datetimestruct(PyObject *obj, npy_datetimestruct *out,
             if (tmp == NULL) {
                 return -1;
             }
-            seconds_offset = PyInt_AsLong(tmp);
+            /* Rounding here is no worse than the integer division below.
+             * Only whole minute offsets are supported by numpy anyway.
+             */
+            seconds_offset = (int)PyFloat_AsDouble(tmp);
             if (error_converting(seconds_offset)) {
                 Py_DECREF(tmp);
                 return -1;