def _get_interface(cls, iface):
store = get_default_store()
station = get_current_station(store)
device = DeviceSettings.get_by_station_and_type(store, station, iface)
if not device:
return None
return device.get_interface()
def test_get_by_station_and_type(self):
station = self.create_station()
type = DeviceSettings.SCALE_DEVICE
device = DeviceSettings(store=self.store, station=station, type=type)
results = device.get_by_station_and_type(store=self.store,
station=station,
type=type)
self.assertEqual(results, device)
def test_get_by_station_and_type(self):
station = self.create_station()
type = DeviceSettings.SCALE_DEVICE
device = DeviceSettings(store=self.store, station=station,
type=type)
results = device.get_by_station_and_type(store=self.store,
station=station,
type=type)
self.assertEquals(results.count(), 1)
def validate_confirm(self):
if not self.edit_mode:
settings = DeviceSettings.get_by_station_and_type(
store=api.get_default_store(), station=self.model.station.id, type=self.model.type
)
if settings:
self.station.set_invalid(
_(u'A %s already exists for station "%s"')
% (self.model.get_device_type_name(), self.model.station.name)
)
return False
return True
def validate_confirm(self):
if not self.edit_mode:
settings = DeviceSettings.get_by_station_and_type(
store=api.get_default_store(),
station=self.model.station.id,
type=self.model.type)
if settings:
self.station.set_invalid(
_(u"A %s already exists for station \"%s\"") %
(self.model.get_device_type_name(),
self.model.station.name))
return False
return True
def validate_confirm(self):
settings = DeviceSettings.get_by_station_and_type(
store=api.get_default_store(),
station=self.model.station.id,
type=self.model.type,
exclude=self.model)
if settings and self.is_active_button.get_active():
warning(_(u"An active %s already exists for station \"%s\"") % (
self.model.device_type_name,
self.model.station_name))
return False
return True
def ensure_printer(cls, station, retries=20):
# In multiclient mode there is no local printer
if is_multiclient:
return
assert printer_lock.locked()
store = api.get_default_store()
device = DeviceSettings.get_by_station_and_type(
store, station, DeviceSettings.NON_FISCAL_PRINTER_DEVICE)
if not device:
# If we have no printer configured, there's nothing to ensure
return
# There is no need to lock the printer here, since it should already be locked by the
# calling site of this method.
# Test the printer to see if its working properly.
printer = None
try:
printer = api.device_manager.printer
return printer.is_drawer_open()
except (SerialException, InvalidReplyException):
if printer:
printer._port.close()
api.device_manager._printer = None
for i in range(retries):
log.info('Printer check failed. Reopening')
try:
printer = api.device_manager.printer
printer.is_drawer_open()
break
except SerialException:
gevent.sleep(1)
else:
# Reopening printer failed. re-raise the original exception
raise
# Invalidate the printer in the plugins so that it re-opens it
manager = get_plugin_manager()
# nfce does not need to reset the printer since it does not cache it.
sat = get_plugin(manager, 'sat')
if sat and sat.ui:
sat.ui.printer = None
nonfiscal = get_plugin(manager, 'nonfiscal')
if nonfiscal and nonfiscal.ui:
nonfiscal.ui.printer = printer
return printer.is_drawer_open()
