Function py_attr_as_str

libsigrokdecode4DSL/util.c:71–100

* Get the value of a Python object's attribute, returned as a newly * allocated char *. * * @param[in] py_obj The object to probe. * @param[in] attr Name of the attribute to retrieve. * @param[out] outstr ptr to char * storage to be filled in. * * @return SRD_OK upon success, a (negative) error code otherwise. * The 'outstr' argument points to a malloc()ed string upon success. *

 * @private
 */
SRD_PRIV int py_attr_as_str(PyObject *py_obj, const char *attr, char **outstr)
{
	PyObject *py_str;
	int ret;
	PyGILState_STATE gstate;

	gstate = PyGILState_Ensure();

	if (!PyObject_HasAttrString(py_obj, attr)) {
		srd_dbg("Object has no attribute '%s'.", attr);
		goto err;
	}

	if (!(py_str = PyObject_GetAttrString(py_obj, attr))) {
        srd_exception_catch(NULL, "Failed to get attribute '%s'", attr);
		goto err;
	}

	ret = py_str_as_str(py_str, outstr);
	Py_DECREF(py_str);

	PyGILState_Release(gstate);

	return ret;

err:
	PyGILState_Release(gstate);

	return SRD_ERR_PYTHON;
}

/**
 * Get the value of a Python object's attribute, returned as a newly