var binding = require('bindings')('binding.node');
var debug = require('debug')('node-python');
var warn = require('debug')('node-python:warn');
var util = require('util');

function PythonError (message, value) {
  if (arguments[0] instanceof Error) {
    var error = arguments[0];
    this.message = error.message;
    this.stack = error.stack;
    this.value = error.value;
    Error.apply(this, arguments);
  } else {
    Error.call(this, message, value);
  }
}

util.inherits(PythonError, Error);

module.exports.PythonError = PythonError;

var finalized = false;
function pythonFinalized () {
  if (finalized) {
    warn('node-python\'s python interpreter has already been