/* Python 'str' type */

var str = __inherit(object);

str.__name__ = 'str';
str.prototype.__class__ = str;
str.prototype.MARK = "str";

str.prototype.__init__ = function(s) {
    if (!defined(s)) {
        this._obj = '';
    } else {
        if (typeof(s) === "string") {
            this._obj = s;
        } else if (defined(s.toString)) {
            this._obj = s.toString();
        } else if (defined(s.__str__)) {
            this._obj = js(s.__str__());
        } else
            this._obj = js(s);
    }
};


...


/* Python 'iter' type */

var iter = __inherit(object);

iter.prototype.MARK = "iter";

iter.prototype.__init__ = function(obj) {
    this._index = 0;

    if (obj instanceof Array) {
        this._seq = obj;
    } else if (typeof(obj) === "string") {
        this._seq = obj.split("");
    } else if (obj.__class__ == iter) {
        this._seq = obj._seq;
    } else if (defined(obj.__iter__)) {
        this._seq = obj.__iter__()._seq;
    } else {
        throw new py_builtins.TypeError("object is not iterable");
    }
}

...


/* Python 'list' type */

var list = __inherit(object);

list.__name__ = 'list';
list.prototype.__class__ = list;
list.prototype.MARK = "iter";

list.prototype.__init__ = function(seq) {
//    print("LIST INIT", seq);
    if (!defined(seq)) {
        this._items = [];
        this._len = 0;
    } else {
        this._items = copy(iter.__call__(seq));
//        print("  items", this._items);
        this._len = -1;
    }
};