class SardanaMacro(CommandObject, SardanaObject):
macroStatusAttr = None
INIT, STARTED, RUNNING, DONE = range(4)
def __init__(self, name, macro, doorname=None, username=None, **kwargs):
super(SardanaMacro, self).__init__(name, username, **kwargs)
self._reply_arrived_event = Event()
self.macro_format = macro
self.doorname = doorname
self.door = None
self.init_device()
self.macrostate = SardanaMacro.INIT
self.doorstate = None
self.t0 = 0
def init_device(self):
self.door = Device(self.doorname)
self.door.set_timeout_millis(10000)
#
# DIRTY FIX to make compatible taurus listeners and existence of Tango channels/commands
# as defined in Command/Tango.py
#
# if self.door.__class__ == taurus.core.tango.tangodevice.TangoDevice:
# dp = self.door.getHWObj()
# try:
# dp.subscribe_event = dp._subscribe_event
# except AttributeError:
# pass
if self.macroStatusAttr is None:
self.macroStatusAttr = self.door.getAttribute("State")
self.macroStatusAttr.addListener(self.objectListener)
def __call__(self, *args, **kwargs):
self._reply_arrived_event.clear()
self.result = None
wait = kwargs.get("wait", False)
if self.door is None:
self.init_device()
logging.getLogger("HWR").debug("Executing sardana macro: %s" %
self.macro_format)
logging.getLogger("HWR").debug(" args=%s / kwargs=%s" %
(str(args), str(kwargs)))
try:
fullcmd = self.macro_format + " " + " ".join(
[str(a) for a in args])
except BaseException:
import traceback
logging.getLogger("HWR").info(traceback.format_exc())
logging.getLogger("HWR").info(
" - Wrong format for macro arguments. Macro is %s / args are (%s)"
% (self.macro_format, str(args)))
return
try:
import time
self.t0 = time.time()
if self.doorstate in ["ON", "ALARM"]:
self.door.runMacro(fullcmd.split())
self.macrostate = SardanaMacro.STARTED
self.emit("commandBeginWaitReply", (str(self.name()), ))
else:
logging.getLogger("HWR").error(
"%s. Cannot execute. Door is not READY", str(self.name()))
self.emit("commandFailed", (-1, self.name()))
except TypeError:
logging.getLogger("HWR").error(
"%s. Cannot properly format macro code. Format is: %s, args are %s",
str(self.name()),
self.macro_format,
str(args),
)
self.emit("commandFailed", (-1, self.name()))
except DevFailed as error_dict:
logging.getLogger("HWR").error("%s: Cannot run macro. %s",
str(self.name()), error_dict)
self.emit("commandFailed", (-1, self.name()))
except AttributeError as error_dict:
logging.getLogger("HWR").error("%s: MacroServer not running?, %s",
str(self.name()), error_dict)
self.emit("commandFailed", (-1, self.name()))
except BaseException:
logging.getLogger("HWR").exception(
"%s: an error occured when calling Tango command %s",
str(self.name()),
self.macro_format,
)
self.emit("commandFailed", (-1, self.name()))
if wait:
logging.getLogger("HWR").debug("... start waiting...")
t = gevent.spawn(endOfMacro, self)
t.get()
logging.getLogger("HWR").debug("... end waiting...")
return
def update(self, event):
data = event.event[2]
try:
if not isinstance(data, PyTango.DeviceAttribute):
# Events different than a value changed on attribute. Taurus sends an event with attribute info
# logging.getLogger('HWR').debug("==========. Got an event, but it is not an attribute . it is %s" % type(data))
# logging.getLogger('HWR').debug("doorstate event. type is %s" % str(type(data)))
return
# Handling macro state changed event
doorstate = str(data.value)
logging.getLogger("HWR").debug("doorstate changed. it is %s" %
str(doorstate))
if doorstate != self.doorstate:
self.doorstate = doorstate
# logging.getLogger('HWR').debug("self.doorstate is %s" % self.canExecute())
self.emit("commandCanExecute", (self.canExecute(), ))
if doorstate in ["ON", "ALARM"]:
# logging.getLogger('HWR').debug("Macroserver ready for commands")
self.emit("commandReady", ())
else:
# logging.getLogger('HWR').debug("Macroserver busy ")
self.emit("commandNotReady", ())
if self.macrostate == SardanaMacro.STARTED and doorstate == "RUNNING":
# logging.getLogger('HWR').debug("Macro server is running")
self.macrostate = SardanaMacro.RUNNING
elif self.macrostate == SardanaMacro.RUNNING and (doorstate in [
"ON", "ALARM"
]):
logging.getLogger("HWR").debug("Macro execution finished")
self.macrostate = SardanaMacro.DONE
self.result = self.door.result
self.emit("commandReplyArrived",
(self.result, str(self.name())))
if doorstate == "ALARM":
self.emit("commandAborted", (str(self.name()), ))
self._reply_arrived_event.set()
elif (self.macrostate == SardanaMacro.DONE
or self.macrostate == SardanaMacro.INIT):
# already handled in the general case above
pass
else:
logging.getLogger("HWR").debug("Macroserver state changed")
self.emit("commandFailed", (-1, str(self.name())))
except ConnectionFailed:
logging.getLogger("HWR").debug("Cannot connect to door %s" %
self.doorname)
self.emit("commandFailed", (-1, str(self.name())))
except BaseException:
import traceback
logging.getLogger("HWR").debug(
"SardanaMacro / event handling problem. Uggh. %s" %
traceback.format_exc())
self.emit("commandFailed", (-1, str(self.name())))
def abort(self):
if self.door is not None:
logging.getLogger("HWR").debug("SardanaMacro / aborting macro")
self.door.abortMacro()
# self.emit('commandReady', ())
def isConnected(self):
return self.door is not None
def canExecute(self):
return self.door is not None and (self.doorstate in ["ON", "ALARM"])
class SardanaMacro(CommandObject, SardanaObject):
macroStatusAttr = None
INIT, STARTED, RUNNING, DONE = list(range(4))
def __init__(self, name, macro, doorname = None, username = None, **kwargs):
super(SardanaMacro,self).__init__(name,username,**kwargs)
self._reply_arrived_event = Event()
self.macro_format = macro
self.doorname = doorname
self.door = None
self.init_device()
self.macrostate = SardanaMacro.INIT
self.doorstate = None
self.t0 = 0
def init_device(self):
self.door = Device(self.doorname)
self.door.set_timeout_millis(10000)
#
# DIRTY FIX to make compatible taurus listeners and existence of Tango channels/commands
# as defined in Command/Tango.py
#
#if self.door.__class__ == taurus.core.tango.tangodevice.TangoDevice:
# dp = self.door.getHWObj()
# try:
# dp.subscribe_event = dp._subscribe_event
# except AttributeError:
# pass
if self.macroStatusAttr == None:
self.macroStatusAttr = self.door.getAttribute("State")
self.macroStatusAttr.addListener(self.objectListener)
def __call__(self, *args, **kwargs):
self._reply_arrived_event.clear()
self.result = None
wait = kwargs.get('wait', False)
if self.door is None:
self.init_device()
logging.getLogger('HWR').debug("Executing sardana macro: %s" % self.macro_format)
try:
fullcmd = self.macro_format % args
except:
logging.getLogger('HWR').info(" - Wrong format for macro arguments. Macro is %s / args are (%s)" % (self.macro_format, str(args)))
return
try:
import time
self.t0 = time.time()
if (self.doorstate in ["ON","ALARM"]):
self.door.runMacro( (fullcmd).split() )
self.macrostate = SardanaMacro.STARTED
self.emit('commandBeginWaitReply', (str(self.name()), ))
else:
logging.getLogger('HWR').error("%s. Cannot execute. Door is not READY", str(self.name()) )
self.emit('commandFailed', (-1, self.name()))
except TypeError:
logging.getLogger('HWR').error("%s. Cannot properly format macro code. Format is: %s, args are %s", str(self.name()), self.macro_format, str(args))
self.emit('commandFailed', (-1, self.name()))
except DevFailed as error_dict:
logging.getLogger('HWR').error("%s: Cannot run macro. %s", str(self.name()), error_dict)
self.emit('commandFailed', (-1, self.name()))
except AttributeError as error_dict:
logging.getLogger('HWR').error("%s: MacroServer not running?, %s", str(self.name()), error_dict)
self.emit('commandFailed', (-1, self.name()))
except:
logging.getLogger('HWR').exception("%s: an error occured when calling Tango command %s", str(self.name()), self.macro_format)
self.emit('commandFailed', (-1, self.name()))
if wait:
logging.getLogger('HWR').debug("... start waiting...")
t=gevent.spawn(endOfMacro, self)
t.get()
logging.getLogger('HWR').debug("... end waiting...")
return
def update(self, event):
data = event.event[2]
try:
if type(data) != PyTango.DeviceAttribute:
# Events different than a value changed on attribute. Taurus sends an event with attribute info
# logging.getLogger('HWR').debug("==========. Got an event, but it is not an attribute . it is %s" % type(data))
logging.getLogger('HWR').debug("doorstate event. type is %s" % str(type(data)))
return
# Handling macro state changed event
doorstate = str(data.value)
logging.getLogger('HWR').debug("doorstate changed. it is %s" % str(doorstate))
if doorstate != self.doorstate:
self.doorstate = doorstate
# logging.getLogger('HWR').debug("self.doorstate is %s" % self.canExecute())
self.emit('commandCanExecute', (self.canExecute(),))
if (doorstate in ["ON","ALARM"]):
# logging.getLogger('HWR').debug("Macroserver ready for commands")
self.emit('commandReady', ())
else:
# logging.getLogger('HWR').debug("Macroserver busy ")
self.emit('commandNotReady', ())
if self.macrostate == SardanaMacro.STARTED and doorstate == "RUNNING":
# logging.getLogger('HWR').debug("Macro server is running")
self.macrostate = SardanaMacro.RUNNING
elif self.macrostate == SardanaMacro.RUNNING and (doorstate in ["ON", "ALARM"]):
logging.getLogger('HWR').debug("Macro execution finished")
self.macrostate = SardanaMacro.DONE
self.result = self.door.result
self.emit('commandReplyArrived', (self.result, str(self.name())))
if doorstate == "ALARM":
self.emit('commandAborted', (str(self.name()), ))
self._reply_arrived_event.set()
elif self.macrostate == SardanaMacro.DONE or self.macrostate == SardanaMacro.INIT:
# already handled in the general case above
pass
else:
logging.getLogger('HWR').debug("Macroserver state changed")
self.emit('commandFailed', (-1, str(self.name())))
except ConnectionFailed:
logging.getLogger('HWR').debug("Cannot connect to door %s" % self.doorname)
self.emit('commandFailed', (-1, str(self.name())))
except:
import traceback
logging.getLogger('HWR').debug("SardanaMacro / event handling problem. Uggh. %s" % traceback.format_exc())
self.emit('commandFailed', (-1, str(self.name())))
def abort(self):
if self.door is not None:
logging.getLogger('HWR').debug("SardanaMacro / aborting macro")
self.door.abortMacro()
#self.emit('commandReady', ())
def isConnected(self):
return self.door is not None
def canExecute(self):
return self.door is not None and ( self.doorstate in ["ON", "ALARM"] )