def get_printers():
bus = get_bus()
printers = {}
for namespace in _common.list_printers():
printer_uuid = uuid.UUID(namespace.split(".")[-1][1:].replace("_", "-"))
object_path = "/" + namespace.replace(".", "/")
proxy = bus.get_object(namespace, object_path)
printers[printer_uuid] = PrinterInterface(printer_uuid, proxy)
return printers
def get_printers():
bus = get_bus()
printers = {}
for namespace in _common.list_printers():
printer_uuid = uuid.UUID(
namespace.split(".")[-1][1:].replace("_", "-"))
object_path = "/" + namespace.replace(".", "/")
proxy = bus.get_object(namespace, object_path)
printers[printer_uuid] = PrinterInterface(printer_uuid, proxy)
return printers
def on_disconnect(handler, *event_args):
"""Worker subprocess to handle on_disconnect events generated by
hardware monitors."""
bus = common.get_bus()
for name in list_printers():
path = "/org/voxelpress/hardware/" + name.split(".")[-1]
prox = bus.get_object(name, path)
if prox.verify_disconnect(event_args[0]):
break
def on_disconnect(handler, *event_args):
"""Worker subprocess to handle on_disconnect events generated by
hardware monitors."""
bus = common.get_bus()
for name in list_printers():
path = "/org/voxelpress/hardware/"+name.split(".")[-1]
prox = bus.get_object(name, path)
if prox.verify_disconnect(event_args[0]):
break
def __init__(self, device_path, printer_uuid, driver):
self.__device_path = device_path
self.__driver = driver
self.status = None
self.__path = path_from_uuid(printer_uuid)
self.__name = name_from_uuid(printer_uuid)
bus_name = dbus.service.BusName(self.__name, bus=common.get_bus())
print "Printer Online:", self.__name
dbus.service.Object.__init__(self, bus_name, self.__path)
self.on_state_change("ready")
self.__driver.connect_events(self)
def start_server_loop(device_path, printer_uuid, driver):
# do this before creating any bus object!
main_loop = gobject.MainLoop()
DBusGMainLoop(set_as_default=True)
bus = common.get_bus()
printers = list_printers()
check_name = name_from_uuid(printer_uuid)
if printers.count(check_name):
reconnect_args = json.dumps(driver.inform_reconnect())
path = "/" + check_name.replace(".", "/")
prox = bus.get_object(check_name, path)
prox.force_reconnect(device_path, reconnect_args)
else:
server = PrintServer(device_path, printer_uuid, driver)
# notify the main process that a new printer exists
switchboard = bus.get_object(
"org.voxelpress.hardware", "/org/voxelpress/hardware")
switchboard.worker_new_printer(str(printer_uuid))
main_loop.run()
def __init__(self):
self.__bus = common.get_bus()
bus_name = dbus.service.BusName(
"org.voxelpress.hardware", bus=self.__bus)
dbus.service.Object.__init__(
self, bus_name, "/org/voxelpress/hardware")
def list_printers():
"""List all currently existing Printer Servers."""
return [str(v) for v in common.get_bus().list_names() if str(v).startswith("org.voxelpress.hardware.")]
def list_printers():
"""List all currently existing Printer Servers."""
return [str(v) for v in common.get_bus().list_names()
if str(v).startswith("org.voxelpress.hardware.")]
def __init__(self):
self.__bus = common.get_bus()
bus_name = dbus.service.BusName("org.voxelpress.hardware",
bus=self.__bus)
dbus.service.Object.__init__(self, bus_name,
"/org/voxelpress/hardware")
