How to use the chipwhisperer.common.utils.util.Signal function in chipwhisperer

def __init__(self):
        logging.basicConfig(format='%(levelname)s:%(message)s', level=logging.INFO)
        CWCoreAPI.instance = self
        self.sigNewProject = util.Signal()
        self.sigConnectStatus = util.Signal()
        self.sigAttackChanged = util.Signal()
        self.sigNewInputData = util.Signal()
        self.sigNewTextResponse = util.Signal()
        self.sigTraceDone = util.Signal()
        self.sigCampaignStart = util.Signal()
        self.sigCampaignDone = util.Signal()
        self.executingScripts = util.Observable(False)

        self.valid_scopes = pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.scopes", True, True)
        self.valid_targets =  pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.targets", True, True)
        self.valid_traces = pluginmanager.getPluginsInDictFromPackage("chipwhisperer.common.traces", True, True)
        self.valid_aux = pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.auxiliary", True, True)
        self.valid_acqPatterns =  pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.acq_patterns", True, False)

        self.settings = Settings()

        # Initialize default values
        self._project = self._scope = self._target = self._traceFormat = self._acqPattern = self._attack = None
        self._acqPattern = self.valid_acqPatterns["Basic"]
        self._auxList = AuxList()
        self._numTraces = 50
        self._numTraceSets = 1

def __init__(self):
        logging.basicConfig(format='%(levelname)s:%(message)s', level=logging.INFO)
        CWCoreAPI.instance = self
        self.sigNewProject = util.Signal()
        self.sigConnectStatus = util.Signal()
        self.sigAttackChanged = util.Signal()
        self.sigNewInputData = util.Signal()
        self.sigNewTextResponse = util.Signal()
        self.sigTraceDone = util.Signal()
        self.sigCampaignStart = util.Signal()
        self.sigCampaignDone = util.Signal()
        self.executingScripts = util.Observable(False)

        self.valid_scopes = pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.scopes", True, True)
        self.valid_targets =  pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.targets", True, True)
        self.valid_traces = pluginmanager.getPluginsInDictFromPackage("chipwhisperer.common.traces", True, True)
        self.valid_aux = pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.auxiliary", True, True)
        self.valid_acqPatterns =  pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.acq_patterns", True, False)

        self.settings = Settings()

def __init__(self):
            super(CWCaptureAPI.Signals, self).__init__()
            self.paramListUpdated = util.Signal()
            self.scopeChanged = util.Signal()
            self.targetChanged = util.Signal()
            self.auxChanged = util.Signal()
            self.acqPatternChanged = util.Signal()
            self.connectStatus = util.Signal()
            self.newInputData = util.Signal()
            self.newTextResponse = util.Signal()
            self.traceDone = util.Signal()
            self.campaignStart = util.Signal()
            self.campaignDone = util.Signal()
            self.abortCapture = util.Signal()

def __init__(self, scope, target=None, writer=None, aux=None, keyTextPattern=None):
        # TODO: use project objects instead of writers?
        self.sigTraceDone = util.Signal()
        self.sigNewTextResponse = util.Signal()

        self.currentTrace = 0
        self.maxtraces = 0

        self.key = [0]
        self.textin = [0]
        self.textout = [0]

        self._target = target
        self._scope = scope
        self._writer = writer
        self._aux_dict = aux
        self._pattern = keyTextPattern
        self._pattern.setTarget(target)
        self._pattern.initPair(self.maxtraces)

def __init__(self):
        logging.basicConfig(format='%(levelname)s:%(message)s', level=logging.INFO)
        CWCoreAPI.instance = self
        self.sigNewProject = util.Signal()
        self.sigConnectStatus = util.Signal()
        self.sigAttackChanged = util.Signal()
        self.sigNewInputData = util.Signal()
        self.sigNewTextResponse = util.Signal()
        self.sigTraceDone = util.Signal()
        self.sigCampaignStart = util.Signal()
        self.sigCampaignDone = util.Signal()
        self.executingScripts = util.Observable(False)

        self.valid_scopes = pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.scopes", True, True)
        self.valid_targets =  pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.targets", True, True)
        self.valid_traces = pluginmanager.getPluginsInDictFromPackage("chipwhisperer.common.traces", True, True)
        self.valid_aux = pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.auxiliary", True, True)
        self.valid_acqPatterns =  pluginmanager.getPluginsInDictFromPackage("chipwhisperer.capture.acq_patterns", True, False)

        self.settings = Settings()

        # Initialize default values

def __init__(self):
            super(CWCaptureAPI.Signals, self).__init__()
            self.paramListUpdated = util.Signal()
            self.scopeChanged = util.Signal()
            self.targetChanged = util.Signal()
            self.auxChanged = util.Signal()
            self.acqPatternChanged = util.Signal()
            self.connectStatus = util.Signal()
            self.newInputData = util.Signal()
            self.newTextResponse = util.Signal()
            self.traceDone = util.Signal()
            self.campaignStart = util.Signal()
            self.campaignDone = util.Signal()
            self.abortCapture = util.Signal()

def __init__(self, prog_name="ChipWhisperer", prog_ver=""):
        self.valid_traces = pluginmanager.getPluginsInDictFromPackage("chipwhisperer.common.traces", True, True)
        self._trace_format = None

        self.params = Parameter(name="Project Settings", type="group")
        self.params.addChildren([
            {'name': 'Trace Format', 'type': 'list', 'values': self.valid_traces, 'get': self.get_trace_format, 'set': self.set_trace_format},
        ])

        self.findParam("Trace Format").setValue(TraceContainerNative(project=self), addToList=True)

        #self.traceParam = Parameter(name="Trace Settings", type='group', addLoadSave=True).register()
        #self.params.getChild('Trace Format').stealDynamicParameters(self.traceParam)

        self.sigFilenameChanged = util.Signal()
        self.sigStatusChanged = util.Signal()
        self.dirty = util.Observable(True)

        self.settingsDict = {'Project Name':"Untitled", 'Project File Version':"1.00", 'Project Author':"Unknown"}
        self.datadirectory = ""
        self.config = ConfigObjProj(callback=self.configObjChanged)
        self._traceManager = TraceManager().register()
        self._traceManager.dirty.connect(self.__dirtyCallback)
        self.setFilename(Project.untitledFileName)

        self.setProgramName(prog_name)
        self.setProgramVersion(prog_ver)

        self._segments = Segments(self)
        self._traces = Traces(self)
        self._keys = IndividualIterable(self._traceManager.get_known_key, self._traceManager.num_traces)
        self._textins = IndividualIterable(self._traceManager.get_textin, self._traceManager.num_traces)

def __init__(self):
            super(CWAnalizerAPI.Signals, self).__init__()
            self.reloadAttackParamList = util.Signal()
            self.attackChanged = util.Signal()

import numpy as np
from chipwhisperer.common.api.autoscript import AutoScript
from chipwhisperer.common.utils import util
from chipwhisperer.common.utils.tracesource import PassiveTraceObserver

try:
    from scipy.stats import multivariate_normal
except ImportError:
    multivariate_normal = None


class TemplateBasic(AutoScript, PassiveTraceObserver):
    """
    Template using Multivariate Stats (mean + covariance matrix)
    """
    scriptsUpdated = util.Signal()

    def __init__(self):
        AutoScript.__init__(self)
        PassiveTraceObserver.__init__(self)
        self.getParams().getChild("Input").hide()

    def setProject(self, proj):
        self._project = proj

    def project(self):
        return self._project

    def generate(self, trange, poiList, partMethod, progressBar=None):
        """Generate templates for all partitions over entire trace range"""

        # Number of subkeys