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Use PyObject_CallFunctionObjArgs()

Browse source 
Issue #28915: Replace PyObject_CallFunction() with
PyObject_CallFunctionObjArgs() when the format string was only made of "O"
formats, PyObject* arguments.

PyObject_CallFunctionObjArgs() avoids the creation of a temporary tuple and
doesn't have to parse a format string.
This commit is contained in:
Victor Stinner 2016-12-09 16:22:32 +01:00
parent 55ba38a480
commit 5abaa2b139
3 changed files with 16 additions and 10 deletions
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22
Modules/_elementtree.c
View file

@ -2496,11 +2496,13 @@ treebuilder_handle_start(TreeBuilderObject* self, PyObject* tag,
attrib = PyDict_New();
if (!attrib)
return NULL;
node = PyObject_CallFunction(self->element_factory, "OO", tag, attrib);
node = PyObject_CallFunctionObjArgs(self->element_factory,
tag, attrib, NULL);
Py_DECREF(attrib);
}
else {
node = PyObject_CallFunction(self->element_factory, "OO", tag, attrib);
node = PyObject_CallFunctionObjArgs(self->element_factory,
tag, attrib, NULL);
}
if (!node) {
return NULL;
@ -2977,7 +2979,8 @@ expat_start_handler(XMLParserObject* self, const XML_Char* tag_in,
return;
}
}
res = PyObject_CallFunction(self->handle_start, "OO", tag, attrib);
res = PyObject_CallFunctionObjArgs(self->handle_start,
tag, attrib, NULL);
} else
res = NULL;
@ -3143,8 +3146,9 @@ expat_start_doctype_handler(XMLParserObject *self,
/* If the target has a handler for doctype, call it. */
if (self->handle_doctype) {
res = PyObject_CallFunction(self->handle_doctype, "OOO",
doctype_name_obj, pubid_obj, sysid_obj);
res = PyObject_CallFunctionObjArgs(self->handle_doctype,
doctype_name_obj, pubid_obj,
sysid_obj, NULL);
Py_CLEAR(res);
}
else {
@ -3163,8 +3167,9 @@ expat_start_doctype_handler(XMLParserObject *self,
if (!res)
goto clear;
Py_DECREF(res);
res = PyObject_CallFunction(parser_doctype, "OOO",
doctype_name_obj, pubid_obj, sysid_obj);
res = PyObject_CallFunctionObjArgs(parser_doctype,
doctype_name_obj, pubid_obj,
sysid_obj, NULL);
Py_CLEAR(res);
}
}
@ -3191,7 +3196,8 @@ expat_pi_handler(XMLParserObject* self, const XML_Char* target_in,
target = PyUnicode_DecodeUTF8(target_in, strlen(target_in), "strict");
data = PyUnicode_DecodeUTF8(data_in, strlen(data_in), "strict");
if (target && data) {
res = PyObject_CallFunction(self->handle_pi, "OO", target, data);
res = PyObject_CallFunctionObjArgs(self->handle_pi,
target, data, NULL);
Py_XDECREF(res);
Py_DECREF(data);
Py_DECREF(target);

2
Objects/abstract.c
View file

@ -2549,7 +2549,7 @@ _PyObject_CallFunctionVa(PyObject *callable, const char *format,
}
if (nargs == 1 && PyTuple_Check(stack[0])) {
/* Special cases:
/* Special cases for backward compatibility:
- PyObject_CallFunction(func, "O", tuple) calls func(*tuple)
- PyObject_CallFunction(func, "(OOO)", arg1, arg2, arg3) calls
func(*(arg1, arg2, arg3)): func(arg1, arg2, arg3) */

2
Objects/descrobject.c
View file

@ -1454,7 +1454,7 @@ property_copy(PyObject *old, PyObject *get, PyObject *set, PyObject *del)
doc = pold->prop_doc ? pold->prop_doc : Py_None;
}
new = PyObject_CallFunction(type, "OOOO", get, set, del, doc);
new = PyObject_CallFunctionObjArgs(type, get, set, del, doc, NULL);
Py_DECREF(type);
if (new == NULL)
return NULL;