use accessor macros for pypy3 compatibility

1 files changed, 4 insertions, 2 deletions

diff --git a/psycopg/adapter_datetime.c b/psycopg/adapter_datetime.c
index 9d04df4..a78311e 100644
--- a/psycopg/adapter_datetime.c
+++ b/psycopg/adapter_datetime.c
@@ -100,7 +100,7 @@ _pydatetime_string_delta(pydatetimeObject *self)
 
     char buffer[8];
     int i;
-    int a = obj->microseconds;
+    int a = PyDateTime_DELTA_GET_MICROSECONDS(obj);
 
     for (i=0; i < 6 ; i++) {
         buffer[5-i] = '0' + (a % 10);
@@ -109,7 +109,9 @@ _pydatetime_string_delta(pydatetimeObject *self)
     buffer[6] = '\0';
 
     return Bytes_FromFormat("'%d days %d.%s seconds'::interval",
-                            obj->days, obj->seconds, buffer);
+                            PyDateTime_DELTA_GET_DAYS(obj),
+                            PyDateTime_DELTA_GET_SECONDS(obj),
+                            buffer);
 }
 
 static PyObject *