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blender-archive/source/blender/python/intern/bpy_intern_string.c
Campbell Barton 73dc8c24e4 PyAPI: optimize depsgraph use in PyDrivers
Avoid re-creating & freeing the depsgraph for every driver evaluation.

Now the depsgraph is kept in the name-space (matching self),
only re-created when the value changes.

In a contrived test-case with many drivers this gave ~15% overall
speedup for animation playback.
2022-03-08 22:15:12 +11:00

77 lines
2.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup pythonintern
*
* Store python versions of strings frequently used for python lookups
* to avoid converting, creating the hash and freeing every time as
* PyDict_GetItemString and PyObject_GetAttrString do.
*/
#include <Python.h>
#include "bpy_intern_string.h"
#include "BLI_utildefines.h"
static PyObject *bpy_intern_str_arr[17];
PyObject *bpy_intern_str___annotations__;
PyObject *bpy_intern_str___doc__;
PyObject *bpy_intern_str___main__;
PyObject *bpy_intern_str___module__;
PyObject *bpy_intern_str___name__;
PyObject *bpy_intern_str___slots__;
PyObject *bpy_intern_str_attr;
PyObject *bpy_intern_str_bl_property;
PyObject *bpy_intern_str_bl_rna;
PyObject *bpy_intern_str_bl_target_properties;
PyObject *bpy_intern_str_bpy_types;
PyObject *bpy_intern_str_frame;
PyObject *bpy_intern_str_properties;
PyObject *bpy_intern_str_register;
PyObject *bpy_intern_str_self;
PyObject *bpy_intern_str_depsgraph;
PyObject *bpy_intern_str_unregister;
void bpy_intern_string_init(void)
{
uint i = 0;
#define BPY_INTERN_STR(var, str) \
{ \
var = bpy_intern_str_arr[i++] = PyUnicode_FromString(str); \
} \
(void)0
BPY_INTERN_STR(bpy_intern_str___annotations__, "__annotations__");
BPY_INTERN_STR(bpy_intern_str___doc__, "__doc__");
BPY_INTERN_STR(bpy_intern_str___main__, "__main__");
BPY_INTERN_STR(bpy_intern_str___module__, "__module__");
BPY_INTERN_STR(bpy_intern_str___name__, "__name__");
BPY_INTERN_STR(bpy_intern_str___slots__, "__slots__");
BPY_INTERN_STR(bpy_intern_str_attr, "attr");
BPY_INTERN_STR(bpy_intern_str_bl_property, "bl_property");
BPY_INTERN_STR(bpy_intern_str_bl_rna, "bl_rna");
BPY_INTERN_STR(bpy_intern_str_bl_target_properties, "bl_target_properties");
BPY_INTERN_STR(bpy_intern_str_bpy_types, "bpy.types");
BPY_INTERN_STR(bpy_intern_str_frame, "frame");
BPY_INTERN_STR(bpy_intern_str_properties, "properties");
BPY_INTERN_STR(bpy_intern_str_register, "register");
BPY_INTERN_STR(bpy_intern_str_self, "self");
BPY_INTERN_STR(bpy_intern_str_depsgraph, "depsgraph");
BPY_INTERN_STR(bpy_intern_str_unregister, "unregister");
#undef BPY_INTERN_STR
BLI_assert(i == ARRAY_SIZE(bpy_intern_str_arr));
}
void bpy_intern_string_exit(void)
{
uint i = ARRAY_SIZE(bpy_intern_str_arr);
while (i--) {
Py_DECREF(bpy_intern_str_arr[i]);
}
}