Python api.trans函数代码示例

 def on_details_button_clicked(self, *args):
     # FIXME: Person editor/slaves are depending on the store being a
     # StoqlibStore. See bug 5012
     with api.trans() as store:
         selected = self.results.get_selected()
         user = store.fetch(selected.user)
         run_dialog(UserEditor, self, store, user, visual_mode=True)

    def _update_list(self, sellable):
        assert isinstance(sellable, Sellable)
        try:
            sellable.check_taxes_validity()
        except TaxError as strerr:
            # If the sellable icms taxes are not valid, we cannot sell it.
            warning(strerr)
            return

        quantity = self.sellableitem_proxy.model.quantity

        is_service = sellable.service
        if is_service and quantity > 1:
            # It's not a common operation to add more than one item at
            # a time, it's also problematic since you'd have to show
            # one dialog per service item. See #3092
            info(_("It's not possible to add more than one service "
                   "at a time to an order. So, only one was added."))

        sale_item = TemporarySaleItem(sellable=sellable,
                                      quantity=quantity)
        if is_service:
            with api.trans() as store:
                rv = self.run_dialog(ServiceItemEditor, store, sale_item)
            if not rv:
                return
        self._update_added_item(sale_item)

 def _run_client_editor(self, client=None):
     with api.trans() as store:
         rv = run_person_role_dialog(ClientEditor, self, store, client,
                                     visual_mode=self.visual_mode)
     if rv:
         self._fill_clients_combo()
         self.client.select(self.store.fetch(rv))

    def _work(self):
        selection = self.search.get_selected_item()
        with api.trans() as store:
            work_order = store.fetch(selection.work_order)
            work_order.work()

        self._update_view(select_item=selection)

 def _run_category_editor(self, category=None):
     with api.trans() as store:
         rv = run_dialog(WorkOrderCategoryEditor, self, store, category,
                         visual_mode=self.visual_mode)
     if rv:
         self._fill_categories_combo()
         self.category.select(self.store.fetch(rv))

 def _run_medic_editor(self, medic=None, visual_mode=False):
     with api.trans() as store:
         medic = run_person_role_dialog(MedicEditor, self, store, medic, visual_mode=True)
     if medic:
         self._medic_combo_prefill()
         medic = self.store.fetch(medic)
         self.medic_combo.select(medic)

    def _pay(self, payable_views):
        """
        Pay a list of items from a payable_views, note that
        the list of payable_views must reference the same order
        @param payables_views: a list of payable_views
        """
        assert self._can_pay(payable_views)

        # Do not allow confirming the payment if the purchase was not
        # completely received.
        purchase_order = payable_views[0].purchase

        if (purchase_order and
            api.sysparam(self.store).BLOCK_INCOMPLETE_PURCHASE_PAYMENTS and
            not purchase_order.status == PurchaseOrder.ORDER_CLOSED):

            return warning(_("Can't confirm the payment if the purchase "
                             "is not completely received yet."))

        with api.trans() as store:
            payments = [store.fetch(view.payment) for view in payable_views]

            run_dialog(PurchasePaymentConfirmSlave, self, store,
                       payments=payments)

        if store.committed:
            # We need to refresh the whole list as the payment(s) can possibly
            # disappear for the selected view
            self.refresh()

        self._update_widgets()

    def _receive(self):
        with api.trans() as store:
            till = Till.get_current(store)
            assert till

            in_payment = self.results.get_selected()
            payment = store.fetch(in_payment.payment)
            assert self._can_receive(payment)

            retval = run_dialog(SalePaymentConfirmSlave, self, store,
                                payments=[payment], show_till_info=False)
            if not retval:
                return

            try:
                TillAddCashEvent.emit(till=till, value=payment.value)
            except (TillError, DeviceError, DriverError) as e:
                warning(str(e))
                return

            till_entry = till.add_credit_entry(payment.value,
                                               _(u'Received payment: %s') % payment.description)

            TillAddTillEntryEvent.emit(till_entry, store)

        if store.committed:
            self.search.refresh()

    def _open_inventory(self):
        with api.trans() as store:
            rv = self.run_dialog(InventoryOpenEditor, store)

        if rv:
            self.refresh()
            self._update_widgets()

    def _edit(self, payable_views):
        with api.trans() as store:
            order = store.fetch(payable_views[0].purchase)
            run_dialog(PurchasePaymentsEditor, self, store, order)

        if store.committed:
            self.refresh()

    def _send_selected_items_to_supplier(self):
        orders = self.results.get_selected_rows()
        valid_order_views = [
            order for order in orders
            if order.status == PurchaseOrder.ORDER_PENDING]

        if not valid_order_views:
            warning(_("There are no pending orders selected."))
            return

        msg = stoqlib_ngettext(
            _("The selected order will be marked as sent."),
            _("The %d selected orders will be marked as sent.")
            % len(valid_order_views),
            len(valid_order_views))
        confirm_label = stoqlib_ngettext(_("Confirm order"),
                                         _("Confirm orders"),
                                         len(valid_order_views))
        if not yesno(msg, gtk.RESPONSE_YES, confirm_label, _("Don't confirm")):
            return

        with api.trans() as store:
            for order_view in valid_order_views:
                order = store.fetch(order_view.purchase)
                order.confirm()
        self.refresh()
        self.select_result(orders)

    def on_ProductsPriceSearch__activate(self, action):
        from stoqlib.domain.person import ClientCategory
        if not self.store.find(ClientCategory).count():
            warning(_("Can't use prices editor without client categories"))
            return

        with api.trans() as store:
            self.run_dialog(SellablePriceDialog, store)

    def _new_consignment(self):
        with api.trans() as store:
            self.run_dialog(ConsignmentWizard, store, model=None)

        if store.committed:
            self.refresh()
            res = self.store.find(PurchaseOrderView, id=store.retval.id).one()
            self.select_result(res)

 def _run_editor(self, button, editor_class):
     with api.trans() as store:
         run_dialog(editor_class, self, store)
     if store.committed:
         self.search.refresh()
         self.results.unselect_all()
         if len(self.results):
             self.results.select(self.results[-1])

    def _quote_order(self, quote=None):
        with api.trans() as store:
            quote = store.fetch(quote)
            self.run_dialog(QuotePurchaseWizard, store, quote)

        if store.committed:
            self.refresh()
            res = self.store.find(PurchaseOrderView, id=store.retval.id).one()
            self.select_result(res)