Differential D416 Diff 1935 source/blender/python/generic/py_capi_utils.c

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Show First 20 Lines • Show All 898 Lines • ▼ Show 20 Lines	if (items->value & flag) {
pystr = PyUnicode_FromString(items->identifier);		pystr = PyUnicode_FromString(items->identifier);
PySet_Add(ret, pystr);		PySet_Add(ret, pystr);
Py_DECREF(pystr);		Py_DECREF(pystr);
}		}
}		}

return ret;		return ret;
}		}


		/**
		* \return -1 on error, else 0
		*
		* \note it is caller's responsibility to acquire & release GIL!
		*/
		int PyC_RunString_AsNumber(const char expr, double value, const char *filename)
		{
		PyObject py_dict, mod, *retval;
		int error_ret = 0;
		PyObject *main_mod = NULL;

		PyC_MainModule_Backup(&main_mod);

		py_dict = PyC_DefaultNameSpace(filename);

		mod = PyImport_ImportModule("math");
		if (mod) {
		PyDict_Merge(py_dict, PyModule_GetDict(mod), 0); /* 0 - don't overwrite existing values */
		Py_DECREF(mod);
		}
		else { /* highly unlikely but possibly */
		PyErr_Print();
		PyErr_Clear();
		}

		retval = PyRun_String(expr, Py_eval_input, py_dict, py_dict);

		if (retval == NULL) {
		error_ret = -1;
		}
		else {
		double val;

		if (PyTuple_Check(retval)) {
		/* Users my have typed in 10km, 2m
		* add up all values */
		int i;
		val = 0.0;

		for (i = 0; i < PyTuple_GET_SIZE(retval); i++) {
		const double val_item = PyFloat_AsDouble(PyTuple_GET_ITEM(retval, i));
		if (val_item == -1 && PyErr_Occurred()) {
		val = -1;
		break;
		}
		val += val_item;
		}
		}
		else {
		val = PyFloat_AsDouble(retval);
		}
		Py_DECREF(retval);

		if (val == -1 && PyErr_Occurred()) {
		error_ret = -1;
		}
		else if (!finite(val)) {
		*value = 0.0;
		}
		else {
		*value = val;
		}
		}

		PyC_MainModule_Restore(main_mod);

		return error_ret;
		}