[tryton] version=7.8.0 depends: ir party product purchase stock xml: purchase_request.xml purchase.xml message.xml [register] model: purchase.Purchase purchase.Line purchase_request.PurchaseRequest purchase_request.HandlePurchaseCancellationExceptionStart purchase_request.CreatePurchaseAskParty wizard: party.Replace purchase_request.CreatePurchase purchase_request.HandlePurchaseCancellationException