def connect(self):
if self.__connected:
return
try:
self.invalidHardwareObjects = set()
self.hardwareObjects = weakref.WeakValueDictionary()
if isinstance(self.serverAddress, string_types):
mngr = SpecConnectionsManager.SpecConnectionsManager()
self.server = mngr.getConnection(self.serverAddress)
with gevent.Timeout(3):
while not self.server.isSpecConnected():
time.sleep(0.5)
# in case of update of a Hardware Object, we discard it => bricks will
# receive a signal and can reload it
self.server.registerChannel(
"update",
self.discardHardwareObject,
dispatchMode=SpecEventsDispatcher.FIREEVENT,
)
else:
self.server = None
finally:
self.__connected = True
def getConnection(self, connectionName):
"""Return the Connection object for a Spec connection, given its name
Parameters :
connectionName -- a Spec version name ('host:port' string)
Return :
the corresponding SpecConnection object
"""
connectionsManager = SpecConnectionsManager.SpecConnectionsManager()
return connectionsManager.getConnection(connectionName)
def setSpecVersion(self, specVersion):
scanCmd = self.getCommandObject('start')
scanCmd.setSpecVersion(specVersion)
if specVersion is not None:
self.specConnection = SpecConnectionsManager.SpecConnectionsManager().getConnection(specVersion)
if self.specConnection is not None:
SpecEventsDispatcher.connect(self.specConnection, 'connected', self.connected)
SpecEventsDispatcher.connect(self.specConnection, 'disconnected', self.disconnected)
if self.specConnection.isSpecConnected():
self.connected()
def setSpecVersion(self, specVersion):
scanCmd = self.get_command_object("start")
scanCmd.setSpecVersion(specVersion)
if specVersion is not None:
self.specConnection = SpecConnectionsManager.SpecConnectionsManager(
).get_connection(specVersion)
if self.specConnection is not None:
SpecEventsDispatcher.connect(self.specConnection, "connected",
self.connected)
SpecEventsDispatcher.connect(self.specConnection,
"disconnected", self.disconnected)
if self.specConnection.isSpecConnected():
self.connected()
def connect(self):
self.invalidHardwareObjects = set()
self.hardwareObjects = weakref.WeakValueDictionary()
if type(self.serverAddress)==bytes:
mngr = SpecConnectionsManager.SpecConnectionsManager()
self.server = mngr.getConnection(self.serverAddress)
with gevent.Timeout(3):
while not self.server.isSpecConnected():
time.sleep(0.5)
#SpecWaitObject.waitConnection(self.server, timeout = 3)
# in case of update of a Hardware Object, we discard it => bricks will receive a signal and can reload it
self.server.registerChannel("update", self.discardHardwareObject, dispatchMode=SpecEventsDispatcher.FIREEVENT)
else:
self.server = None
def init(self):
self.allMotors = None
self.motorListMacro = None
self.gettingMotors = None
try:
self.specConnection = SpecConnectionsManager.SpecConnectionsManager(
).getConnection(self.specversion)
except AttributeError:
self.specConnection = None
logging.getLogger("HWR").error(
'MotorList: you must specify a spec version')
else:
SpecEventsDispatcher.connect(self.specConnection, 'connected',
self.sConnected)
SpecEventsDispatcher.connect(self.specConnection, 'disconnected',
self.sDisconnected)
if self.isConnected():
self.sConnected()
