Function CastPyArg2String

paddle/fluid/pybind/op_function_common.cc:500–518

}

std::string CastPyArg2String(PyObject* obj,
                             const std::string& op_type,
                             ssize_t arg_pos) {
  if (PyObject_CheckString(obj)) {
    Py_ssize_t size = 0;
    const char* data = nullptr;
    data = PyUnicode_AsUTF8AndSize(obj, &size);
    return std::string(data, (size_t)size);  // NOLINT
  } else {
    PADDLE_THROW(common::errors::InvalidType(
        "%s(): argument (position %d) must be "
        "str, but got %s",
        op_type,
        arg_pos + 1,
        ((PyTypeObject*)obj->ob_type)->tp_name));  // NOLINT
  }

  return "";
}
std::string CastPyArg2String(PyObject* obj,
                             const std::string& op_type,
                             ssize_t arg_pos,