changeset:   102850:f48ae71e8a8f
user:        Victor Stinner <victor.stinner@gmail.com>
date:        Tue Aug 23 00:21:34 2016 +0200
files:       Modules/_csv.c
description:
Issue #27809: _csv: _call_dialect() uses fast call


diff -r 614dd914c21e -r f48ae71e8a8f Modules/_csv.c
--- a/Modules/_csv.c	Tue Aug 23 00:11:04 2016 +0200
+++ b/Modules/_csv.c	Tue Aug 23 00:21:34 2016 +0200
@@ -518,15 +518,13 @@
 static PyObject *
 _call_dialect(PyObject *dialect_inst, PyObject *kwargs)
 {
-    PyObject *ctor_args;
-    PyObject *dialect;
-
-    ctor_args = Py_BuildValue(dialect_inst ? "(O)" : "()", dialect_inst);
-    if (ctor_args == NULL)
-        return NULL;
-    dialect = PyObject_Call((PyObject *)&Dialect_Type, ctor_args, kwargs);
-    Py_DECREF(ctor_args);
-    return dialect;
+    PyObject *type = (PyObject *)&Dialect_Type;
+    if (dialect_inst) {
+        return _PyObject_FastCallDict(type, &dialect_inst, 1, kwargs);
+    }
+    else {
+        return _PyObject_FastCallDict(type, NULL, 0, kwargs);
+    }
 }
 
 /*