I have created function called mrp_Order and call this function when click the req button. But I got this error.

Odoo Server Error

Traceback (most recent call last):

File "D:\Odoo\odoo-v8-osm\openerp\http.py", line 530, in _handle_exception

return super(JsonRequest, self)._handle_exception(exception)

File "D:\Odoo\odoo-v8-osm\openerp\http.py", line 567, in dispatch

result = self._call_function(**self.params)

File "D:\Odoo\odoo-v8-osm\openerp\http.py", line 303, in _call_function

return checked_call(self.db, *args, **kwargs)

File "D:\Odoo\odoo-v8-osm\openerp\service\model.py", line 113, in wrapper

return f(dbname, *args, **kwargs)

File "D:\Odoo\odoo-v8-osm\openerp\http.py", line 300, in checked_call

return self.endpoint(*a, **kw)

File "D:\Odoo\odoo-v8-osm\openerp\http.py", line 796, in __call__

return self.method(*args, **kw)

File "D:\Odoo\odoo-v8-osm\openerp\http.py", line 396, in response_wrap

response = f(*args, **kw)

File "D:\Odoo\odoo-v8-osm\addons\web\controllers\main.py", line 935, in call_kw

return self._call_kw(model, method, args, kwargs)

File "D:\Odoo\odoo-v8-osm\addons\web\controllers\main.py", line 927, in _call_kw

return getattr(request.registry.get(model), method)(request.cr, request.uid, *args, **kwargs)

File "D:\Odoo\odoo-v8-osm\openerp\api.py", line 241, in wrapper

return old_api(self, *args, **kwargs)

TypeError: mrp_Order() takes at least 4 arguments (3 given)

Python code

def mrp_Order(self, cr, uid, ids, context=None):

result = {

'name': "mrpOrder",

'view_mode': 'form',

'view_type': 'form',

'res_model': 'mrp.production',

'type': 'ir.actions.act_window',

'nodestory': True,

'target' : 'new',

'context' : context,

}

return result

JavaScript code

function openerp_restaurant_reqbill(instance,module){

var QWeb = instance.web.qweb;

var _t = instance.web._t;

module.PosWidget.include({

build_widgets: function(){

var self = this;

this._super();

if(this.pos.config.iface_raqbill){

var reqbill = $(QWeb.render('PrintReqButton'));

reqbill.click(function(){

var order = self.pos.get('selectedOrder');

if(order.get('orderLines').models.length > 0){

var receipt = order.export_for_printing();

self.pos.proxy.print_receipt(QWeb.render('BillReceipts',{

receipt: receipt, widget: self,

}));

}

new instance.web.Model("pos.order").call("mrp_Order");

});

reqbill.appendTo(this.$('.control-buttons'));

this.$('.control-buttons').removeClass('oe_hidden');

}

},

});

}