def setupWhenReady(delay=3):
"""
Wait until the control centre is running and set up all the stored configuration.
:param delay: Seconds to wait between checking the control centre. (Optional).
:type delay: ``int``
"""
state = controlcentre.runningState()
# Only do something if it's starting or running.
if state is True:
_setupNow()
elif state is None: # Starting
Timer(interval=delay, function=setupWhenReady, args=[delay]).start()
def issueControlCentreCommand(command, args=[], extraargs=[], afterwards=None):
"""
Send a command to the command client and optionally run a function on finish.
:param command: The command to run.
:type command: ``str``
:param args: List of arguments to the command. (optional)
:type args: ``list(str)``
:param extraargs: Arguments to the script, i.e. those beginning with "--". (optional)
:type extraargs: ``dict``
:param afterwards: The function to run afterwards (optional).
:type afterwards: ``func``, takes the output file as a parameter.
:returns: ``True`` if the control centre is running, ``False`` otherwise.
:rtype: ``bool``
"""
if controlcentre.runningState() is not True:
return False
experiment_path = controlcentre.getExperimentPath()
clientargs = __getCommandLineClientArgs()
for arg in extraargs:
clientargs.append(arg + "=" + extraargs[arg])
clientargs.append(command)
clientargs.extend(args)
ioFile = open("/dev/null")
try:
ioFile = tempfile.SpooledTemporaryFile(256)
except: pass # Ignore fuckups and use /dev/null instead
command_process = subprocess.Popen(clientargs, cwd=getCommandLineClientPath(), stdout=ioFile, stderr=subprocess.STDOUT)
if afterwards is not None:
def _runWhenDone(process, func, io):
if process.poll() is None:
Timer(interval=1, function=_runWhenDone, args=[process, func, io]).start()
else:
func(io)
io.close()
_runWhenDone(command_process, afterwards, ioFile)
return True
def vazelsPhase():
"""
Check the running status of vazels.
:returns: The status. One of the values in :data:`Statuses`.
:rtype: ``str``
"""
global experiment_running_state
global Statuses
controlstat = controlcentre.runningState()
if controlstat is False:
return Statuses["STATUS_READY"]
if controlstat is None:
return Statuses["STATUS_STARTING"]
if experiment_running_state is not None:
return experiment_running_state
else:
return Statuses["STATUS_RUNNING"]