def _plot(self):
""" Network performance graph """
setConfigOption('background', '#FF000000')
_graph = PlotWidget()
_graph.setMenuEnabled(enableMenu=False)
_graph.setMouseEnabled(x=False, y=False)
_graph.hideButtons()
self._out_curve = _graph.getPlotItem().plot()
self._inc_curve = _graph.getPlotItem().plot()
self._legend = LegendItem(offset=(50, 10))
self._legend.setParentItem(_graph.getPlotItem())
self._legend.addItem(self._out_curve, self._lang.NetworkGraphOutgoing)
self._legend.addItem(self._inc_curve, self._lang.NetworkGraphIncoming)
self._base.net_perf_lyt.addWidget(_graph)
self._menu_popup = QMenu()
_action = QAction(QIcon('icon/reload.png'), self._lang.PopupReload,
self._base.net_perf_box)
_action.triggered.connect(self.reload)
self._menu_popup.addAction(_action)
self._base.net_perf_box.setContextMenuPolicy(Qt.CustomContextMenu)
self._base.net_perf_box.customContextMenuRequested.connect(
self._popup_show)
class Ui_plotWindow(object):
def setupUi(self, plotWindow):
plotWindow.setObjectName(_fromUtf8("plotWindow"))
plotWindow.resize(540, 350)
plotWindow.setMaximumSize(QtCore.QSize(16777215, 16777215))
self.gridLayout = QtGui.QGridLayout(plotWindow)
self.gridLayout.setObjectName(_fromUtf8("gridLayout"))
self.graphicsView = PlotWidget(plotWindow)
self.graphicsView.hideButtons()
self.graphicsView.showGrid(True, True)
self.graphicsView.setMenuEnabled(False)
self.graphicsView.setMouseEnabled(False, False)
self.graphicsView.setFrameShadow(QtGui.QFrame.Plain)
self.graphicsView.setFrameShape(QtGui.QFrame.StyledPanel)
self.graphicsView.setObjectName(_fromUtf8("graphicsView"))
self.gridLayout.addWidget(self.graphicsView, 0, 1, 1, 1)
self.treeWidget = QtGui.QTreeWidget(plotWindow)
self.treeWidget.setMaximumSize(QtCore.QSize(200, 16777215))
self.treeWidget.setHorizontalScrollBarPolicy(
QtCore.Qt.ScrollBarAlwaysOff)
self.treeWidget.setRootIsDecorated(False)
self.treeWidget.setItemsExpandable(False)
self.treeWidget.setExpandsOnDoubleClick(False)
self.treeWidget.setColumnCount(3)
self.treeWidget.setObjectName(_fromUtf8("treeWidget"))
self.treeWidget.header().setVisible(True)
self.treeWidget.header().setDefaultSectionSize(80)
self.gridLayout.addWidget(self.treeWidget, 0, 0, 1, 1)
self.retranslateUi(plotWindow)
QtCore.QMetaObject.connectSlotsByName(plotWindow)
def retranslateUi(self, plotWindow):
plotWindow.setWindowTitle(
QtGui.QApplication.translate("plotWindow", "Form", None,
QtGui.QApplication.UnicodeUTF8))
self.treeWidget.headerItem().setText(
0,
QtGui.QApplication.translate("plotWindow", "Legend", None,
QtGui.QApplication.UnicodeUTF8))
self.treeWidget.headerItem().setText(
1,
QtGui.QApplication.translate("plotWindow", "Name", None,
QtGui.QApplication.UnicodeUTF8))
self.treeWidget.headerItem().setText(
2,
QtGui.QApplication.translate("plotWindow", "Value", None,
QtGui.QApplication.UnicodeUTF8))
class Ui_plotWindow(object):
def setupUi(self, plotWindow):
plotWindow.setObjectName(_fromUtf8("plotWindow"))
plotWindow.resize(540, 350)
plotWindow.setMaximumSize(QtCore.QSize(16777215, 16777215))
self.gridLayout = QtGui.QGridLayout(plotWindow)
self.gridLayout.setObjectName(_fromUtf8("gridLayout"))
self.graphicsView = PlotWidget(plotWindow)
self.graphicsView.hideButtons()
self.graphicsView.showGrid(True, True)
self.graphicsView.setMenuEnabled(False)
self.graphicsView.setMouseEnabled(False, False)
self.graphicsView.setFrameShadow(QtGui.QFrame.Plain)
self.graphicsView.setFrameShape(QtGui.QFrame.StyledPanel)
self.graphicsView.setObjectName(_fromUtf8("graphicsView"))
self.gridLayout.addWidget(self.graphicsView, 0, 1, 1, 1)
self.treeWidget = QtGui.QTreeWidget(plotWindow)
self.treeWidget.setMaximumSize(QtCore.QSize(200, 16777215))
self.treeWidget.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.treeWidget.setRootIsDecorated(False)
self.treeWidget.setItemsExpandable(False)
self.treeWidget.setExpandsOnDoubleClick(False)
self.treeWidget.setColumnCount(3)
self.treeWidget.setObjectName(_fromUtf8("treeWidget"))
self.treeWidget.header().setVisible(True)
self.treeWidget.header().setDefaultSectionSize(80)
self.gridLayout.addWidget(self.treeWidget, 0, 0, 1, 1)
self.retranslateUi(plotWindow)
QtCore.QMetaObject.connectSlotsByName(plotWindow)
def retranslateUi(self, plotWindow):
plotWindow.setWindowTitle(QtGui.QApplication.translate("plotWindow", "Form", None, QtGui.QApplication.UnicodeUTF8))
self.treeWidget.headerItem().setText(0, QtGui.QApplication.translate("plotWindow", "Legend", None, QtGui.QApplication.UnicodeUTF8))
self.treeWidget.headerItem().setText(1, QtGui.QApplication.translate("plotWindow", "Name", None, QtGui.QApplication.UnicodeUTF8))
self.treeWidget.headerItem().setText(2, QtGui.QApplication.translate("plotWindow", "Value", None, QtGui.QApplication.UnicodeUTF8))
def __init__(self, atri_plot: PlotWidget, vent_plot: PlotWidget, data_size: int):
print("Graphs handler init")
# noinspection PyArgumentList
atri_plot.setRange(xRange=[-1, data_size], yRange=[-0.5, 5.5], padding=0)
atri_plot.setLimits(xMin=-1, xMax=data_size, maxXRange=data_size + 1, yMin=-0.5, yMax=5.5)
atri_plot.setMouseEnabled(x=True, y=False)
atri_plot.enableAutoRange(x=False, y=True)
atri_plot.setAutoVisible(x=False, y=True)
atri_plot.showGrid(x=True, y=True)
atri_plot.hideButtons()
atri_plot.setMenuEnabled(False)
atri_plot.setLabel('left', "Amplitude", units='V', **{'color': '#FFF', 'font-size': '10pt'})
atri_plot.setLabel('bottom', "Time", units='s', **{'color': '#FFF', 'font-size': '10pt'})
atri_plot.getAxis('bottom').setHeight(30)
# noinspection PyArgumentList
vent_plot.setRange(xRange=[-1, data_size], yRange=[-0.5, 5.5], padding=0)
vent_plot.setLimits(xMin=-1, xMax=data_size, maxXRange=data_size + 1, yMin=-0.5, yMax=5.5)
vent_plot.setMouseEnabled(x=True, y=False)
vent_plot.enableAutoRange(x=False, y=True)
vent_plot.setAutoVisible(x=False, y=True)
vent_plot.showGrid(x=True, y=True)
vent_plot.hideButtons()
vent_plot.setMenuEnabled(False)
vent_plot.setLabel('left', "Amplitude", units='V', **{'color': '#FFF', 'font-size': '10pt'})
vent_plot.setLabel('bottom', "Time", units='s', **{'color': '#FFF', 'font-size': '10pt'})
vent_plot.getAxis('bottom').setHeight(30)
# Initialize graphs to 0
self._atri_data = np.zeros(data_size)
self._vent_data = np.zeros(data_size)
# Create new sense plots for the atrial and ventricular graphs, in blue
self._atri_plot = atri_plot.plot(pen=(0, 229, 255))
self._vent_plot = vent_plot.plot(pen=(0, 229, 255))
self._plot_data()
class widget_mfi_lon_plot(QWidget):
#-----------------------------------------------------------------------
# DEFINE THE INITIALIZATION FUNCTION.
#-----------------------------------------------------------------------
def __init__(self, core):
# Inherit all attributes of an instance of "QWidget".
super(widget_mfi_lon_plot, self).__init__()
# Store the Janus core.
self.core = core
# Prepare to respond to signals received from the core.
self.connect(self.core, SIGNAL('janus_rset'), self.resp_rset)
self.connect(self.core, SIGNAL('janus_chng_mfi'), self.resp_chng_mfi)
# Initialize this widget's instance of "PlotWidget", which will
# contain the plot of MFI magnetic field data.
# Note. The "QGridLayout" object given to this widget as its
# layout is essentially a dummy. I could have just had
# this class inherit "PlotWidget", but I think that this
# gives me a bit more control (and a similar structure
# "janus_widget_fc_cup").
self.setLayout(QGridLayout())
self.plt = PlotWidget()
self.layout().addWidget(self.plt)
self.layout().setContentsMargins(0, 0, 0, 0)
# Extract the individual elements of the "PlotWidget" object
# (e.g., it's axes) for more convenient access later.
self.vbx = self.plt.getViewBox()
self.axs_x = self.plt.getAxis('bottom')
self.axs_y = self.plt.getAxis('left')
self.ptm = self.plt.getPlotItem()
# Initialize and store the pens and fonts.
self.pen_vbx = mkPen(color='k')
self.pen_crv_lon = mkPen(color='#FFD700')
self.fnt = self.core.app.font()
# Configure the plot: disable automatic adjustments and
# adjustments made by the user, change the background and
# foreground colors, enable grid lines for both axes, label the
# axes, adjust the tick font size, adjust the "AxisItem" sizes,
# and add a margin around the entire plot.
self.plt.disableAutoRange()
self.plt.setMouseEnabled(False, False)
self.plt.setMenuEnabled(False)
self.plt.hideButtons()
self.plt.setBackground('w')
setConfigOption('foreground', 'k')
#####self.plt.showGrid( True, True )
labelStyle = {'color': 'k'}
self.axs_x.setLabel('Time [s]', **labelStyle)
self.axs_y.setLabel('Azim. [deg]', **labelStyle)
self.axs_x.label.setFont(self.fnt)
self.axs_y.label.setFont(self.fnt)
self.axs_x.setTickFont(self.fnt)
self.axs_y.setTickFont(self.fnt)
self.axs_x.setHeight(35)
self.axs_y.setWidth(40)
self.vbx.border = self.pen_vbx
self.ptm.setContentsMargins(5, 5, 5, 5)
# Initialize the curves that will be added to this plot.
self.crv_lon = None
# Populate this plot and adjust it's settings.
self.make_plt()
#-----------------------------------------------------------------------
# DEFINE THE FUNCTION FOR POPULATING THE PLOT.
#-----------------------------------------------------------------------
def make_plt(self):
# Reset the plot (i.e., remove all plot elements).
self.rset_plt()
# Establish the ranges of its time and magnetic field values.
# If the core contains no data or only a single datum,
# improvise (for the purpose of later establishing axis limits).
if (self.core.n_mfi >= 1):
# Establish the domain of the plot.
t_min = min(amin(self.core.mfi_s), 0.)
t_max = max(amax(self.core.mfi_s), self.core.fc_spec['dur'])
# Establish the range of the plot. As part of this,
# ensure that the range satisfies a minimum size and has
# sufficient padding.
ang_max = max(self.core.mfi_b_lon)
ang_min = min(self.core.mfi_b_lon)
ang_max = 5. + ang_max
ang_min = -5. + ang_min
d_t_0 = t_max - t_min
d_t = max(1.5 + d_t_0, 3.)
t_max = t_min + d_t
else:
t_min = 0.001
t_max = 3.500
ang_min = -360
ang_max = 360
# Set the range of the axis of each plot.
self.plt.setXRange(t_min, t_max, padding=0.0)
self.plt.setYRange(ang_min, ang_max, padding=0.0)
# If the core contains no Wind/MFI magnetic field data, return.
if (self.core.n_mfi <= 0):
return
# Generate and display each curve for the plot.
self.crv_lon = PlotDataItem(self.core.mfi_s,
self.core.mfi_b_lon,
pen=self.pen_crv_lon)
self.plt.addItem(self.crv_lon)
#-----------------------------------------------------------------------
# DEFINE THE FUNCTION FOR RESETTING THIS PLOT (CLEARING ALL ELEMENTS).
#-----------------------------------------------------------------------
def rset_plt(self):
# Hide and remove each of this plot's elements.
if (self.crv_lon is not None):
self.plt.removeItem(self.crv_lon)
# Permanently delete this plot's elements by setting each of the
# variables that store them to "None".
self.crv_lon = None
#-----------------------------------------------------------------------
# DEFINE THE FUNCTION FOR RESPONDING TO THE "rset" SIGNAL.
#-----------------------------------------------------------------------
def resp_rset(self):
# Reset the plot.
self.rset_plt()
#-----------------------------------------------------------------------
# DEFINE THE FUNCTION FOR RESPONDING TO THE "chng_mfi" SIGNAL.
#-----------------------------------------------------------------------
def resp_chng_mfi(self):
# Regenerate the plot.
self.make_plt()
class widget_mfi_lin_plot(QWidget):
#-----------------------------------------------------------------------
# DEFINE THE INITIALIZATION FUNCTION.
#-----------------------------------------------------------------------
def __init__(self, core):
# Inherit all attributes of an instance of "QWidget".
super(widget_mfi_lin_plot, self).__init__()
# Store the Janus core.
self.core = core
# Prepare to respond to signals received from the core.
self.connect(self.core, SIGNAL('janus_rset'), self.resp_rset)
self.connect(self.core, SIGNAL('janus_chng_mfi'), self.resp_chng_mfi)
# Initialize this widget's instance of "PlotWidget", which will
# contain the plot of MFI magnetic field data.
# Note. The "QGridLayout" object given to this widget as its
# layout is essentially a dummy. I could have just had
# this class inherit "PlotWidget", but I think that this
# gives me a bit more control (and a similar structure
# "janus_widget_fc_cup").
self.setLayout(QGridLayout())
self.plt = PlotWidget()
self.layout().addWidget(self.plt)
self.layout().setContentsMargins(0, 0, 0, 0)
# Extract the individual elements of the "PlotWidget" object
# (e.g., it's axes) for more convenient access later.
self.vbx = self.plt.getViewBox()
self.axs_x = self.plt.getAxis('bottom')
self.axs_y = self.plt.getAxis('left')
self.ptm = self.plt.getPlotItem()
# Initialize and store the pens and fonts.
self.pen_vbx = mkPen(color='k')
self.pen_crv_m = mkPen(color='k')
self.pen_crv_n = mkPen(color='k')
self.pen_crv_x = mkPen(color='r')
self.pen_crv_y = mkPen(color='g')
self.pen_crv_z = mkPen(color='b')
self.fnt = self.core.app.font()
# Configure the plot: disable automatic adjustments and
# adjustments made by the user, change the background and
# foreground colors, enable grid lines for both axes, label the
# axes, adjust the tick font size, adjust the "AxisItem" sizes,
# and add a margin around the entire plot.
self.plt.disableAutoRange()
self.plt.setMouseEnabled(False, False)
self.plt.setMenuEnabled(False)
self.plt.hideButtons()
self.plt.setBackground('w')
setConfigOption('foreground', 'k')
#####self.plt.showGrid( True, True )
labelStyle = {'color': 'k'}
self.axs_x.setLabel('Time [s]', **labelStyle)
self.axs_y.setLabel('Magnetic Field [nT]', **labelStyle)
self.axs_x.label.setFont(self.fnt)
self.axs_y.label.setFont(self.fnt)
self.axs_x.setTickFont(self.fnt)
self.axs_y.setTickFont(self.fnt)
self.axs_x.setHeight(35)
self.axs_y.setWidth(40)
self.vbx.border = self.pen_vbx
self.ptm.setContentsMargins(5, 5, 5, 5)
# Initialize the curves that will be added to this plot.
self.crv_m = None
self.crv_n = None
self.crv_x = None
self.crv_y = None
self.crv_z = None
self.pl = []
# Populate this plot and adjust it's settings.
self.make_plt()
#-----------------------------------------------------------------------
# DEFINE THE FUNCTION FOR POPULATING THE PLOT.
#-----------------------------------------------------------------------
def make_plt(self):
# Reset the plot (i.e., remove all plot elements).
self.rset_plt()
# Establish the ranges of its time and magnetic field values.
# If the core contains no data or only a single datum,
# improvise (for the purpose of later establishing axis limits).
if (self.core.n_mfi >= 1):
# Establish the domain of the plot.
t_min = min(amin(self.core.mfi_s), 0.)
t_max = max(amax(self.core.mfi_s), self.core.fc_spec['dur'])
# Establish the range of the plot. As part of this,
# ensure that the range satisfies a minimum size and has
# sufficient padding.
b_max = amax(self.core.mfi_b)
b_min = -b_max
d_t_0 = t_max - t_min
d_b_0 = b_max - b_min
d_t = max(1.5 + d_t_0, 3.)
d_b = max(1.2 * d_b_0, 5.)
t_max = t_min + d_t
b_min = b_min - (d_b - d_b_0) / 2.
b_max = b_max + (d_b - d_b_0) / 2.
else:
t_min = 0.001
t_max = 3.500
b_min = -2.5
b_max = 2.5
# Set the range of the axis of each plot.
self.plt.setXRange(t_min, t_max, padding=0.0)
self.plt.setYRange(b_min, b_max, padding=0.0)
# Set the PESA-L pen with a width corresponding to one rotation
# Note: For some reason, the lines are not wide enough unless 5
# is added to the scaled width of the rotation time
rot = 3.05 * self.axs_x.width() / (t_max - t_min) + 5
self.pen_pl = mkPen(color=(245, 245, 245), width=rot)
# If the core contains no Wind/MFI magnetic field data, return.
if (self.core.n_mfi <= 0):
return
# Generate and display each curve for the plot.
self.crv_m = PlotDataItem(self.core.mfi_s,
self.core.mfi_b,
pen=self.pen_crv_m)
self.crv_n = PlotDataItem(self.core.mfi_s,
[-b for b in self.core.mfi_b],
pen=self.pen_crv_n)
self.crv_x = PlotDataItem(self.core.mfi_s,
self.core.mfi_b_x,
pen=self.pen_crv_x)
self.crv_y = PlotDataItem(self.core.mfi_s,
self.core.mfi_b_y,
pen=self.pen_crv_y)
self.crv_z = PlotDataItem(self.core.mfi_s,
self.core.mfi_b_z,
pen=self.pen_crv_z)
# If PESA-L spectra were loaded, add the vertical indicators
# showing their time relative to the start of the FC spectrum
for n in range(len(self.core.pl_spec_arr)):
time = self.core.pl_spec_arr[n]['time'][0]
t_0 = self.core.fc_spec['time']
delta_t = (time - t_0).total_seconds()
self.pl += [
InfiniteLine(delta_t + self.core.fc_spec['rot'] / 2.,
pen=self.pen_pl)
]
for i in range(len(self.pl)):
self.plt.addItem(self.pl[i])
self.plt.addItem(self.crv_m)
self.plt.addItem(self.crv_n)
self.plt.addItem(self.crv_x)
self.plt.addItem(self.crv_y)
self.plt.addItem(self.crv_z)
#-----------------------------------------------------------------------
# DEFINE THE FUNCTION FOR RESETTING THIS PLOT (CLEARING ALL ELEMENTS).
#-----------------------------------------------------------------------
def rset_plt(self):
# Hide and remove each of this plot's elements.
if (self.crv_m is not None):
self.plt.removeItem(self.crv_m)
if (self.crv_n is not None):
self.plt.removeItem(self.crv_n)
if (self.crv_x is not None):
self.plt.removeItem(self.crv_x)
if (self.crv_y is not None):
self.plt.removeItem(self.crv_y)
if (self.crv_z is not None):
self.plt.removeItem(self.crv_z)
if (self.pl != []):
for i in range(len(self.pl)):
self.plt.removeItem(self.pl[i])
# if ( self.crv_colat is not None ) :
# self.plt.removeItem( self.crv_colat )
# if ( self.crv_lon is not None ) :
# self.plt.removeItem( self.crv_lon )
# Permanently delete this plot's elements by setting each of the
# variables that store them to "None".
self.crv_m = None
self.crv_n = None
self.crv_x = None
self.crv_y = None
self.crv_z = None
self.pl = []
#-----------------------------------------------------------------------
# DEFINE THE FUNCTION FOR RESPONDING TO THE "rset" SIGNAL.
#-----------------------------------------------------------------------
def resp_rset(self):
# Reset the plot.
self.rset_plt()
#-----------------------------------------------------------------------
# DEFINE THE FUNCTION FOR RESPONDING TO THE "chng_mfi" SIGNAL.
#-----------------------------------------------------------------------
def resp_chng_mfi(self):
# Regenerate the plot.
self.make_plt()
def __init__(self, main_loop):
# noinspection PyArgumentList
super(ProgramUI, self).__init__()
uic.loadUi("ui/USBIPManager.ui", self)
self.show()
# Setting application icon
self.setWindowIcon(QIcon("icon/logo.png"))
# Application main loop
self.main_loop = main_loop
# Getting the configuration from config.ini file
self.config = config.get_config()
self.cancel_process = CancelProcessButton(
self.frameGeometry().width(),
self.frameGeometry().height())
self.cancel_process.setParent(None)
# Setting actions for main menu buttons
self.auto_find_button.clicked.connect(
partial(ApplicationMenu.auto_find, self))
self.add_server_button.clicked.connect(
partial(ApplicationMenu.add_server, self))
self.search_all_button.clicked.connect(
partial(ApplicationMenu.search_all, self))
self.connect_all_button.clicked.connect(
partial(ApplicationMenu.connect_all, self))
self.disconnect_all_button.clicked.connect(
partial(ApplicationMenu.disconnect_all, self, config.usbip_array))
self.settings_button.clicked.connect(
partial(ApplicationMenu.settings, self))
#
self.log.setContextMenuPolicy(Qt.CustomContextMenu)
self.log.customContextMenuRequested.connect(self.log_context_menu)
# Setting context menu for the server list box
self.server_box.setContextMenuPolicy(Qt.CustomContextMenu)
self.server_box.customContextMenuRequested.connect(
partial(SRVArea.box_context_menu, self))
# Setting default context menu for the connected device tree box
self.device_tree_menu = dict()
self.device_tree_menu["menu"] = QMenu()
self.device_tree_menu["action"] = dict()
# Enabling data capture context action
self.device_tree_menu["action"]["enable"] = \
QAction(QIcon("icon/enable.png"), _("Enable data capturing"), self)
self.device_tree_menu["action"]["enable"].setEnabled(False)
# Resetting data capture context action
self.device_tree_menu["action"]["reset"] = \
QAction(QIcon("icon/reset.png"), _("Reset data capturing"), self)
self.device_tree_menu["action"]["reset"].setEnabled(False)
# Disabling data capture context action
self.device_tree_menu["action"]["disable"] = \
QAction(QIcon("icon/disable.png"), _("Disable data capturing"), self)
self.device_tree_menu["action"]["disable"].setEnabled(False)
#
self.device_box.setContextMenuPolicy(Qt.CustomContextMenu)
self.device_box.customContextMenuRequested.connect(
partial(DevTreeMenu.box_context_menu, self))
# Setting activity plot
setConfigOption("background", "#FF000000")
activity_graph = PlotWidget()
activity_graph.setMenuEnabled(enableMenu=False)
activity_graph.setMouseEnabled(x=False, y=False)
activity_graph.showGrid(x=True, y=True)
activity_graph.hideButtons()
# Defining sent and received activity curves
self.sent_curve = activity_graph.getPlotItem().plot()
self.recv_curve = activity_graph.getPlotItem().plot()
# Setting activity box layout and adding activity plot to the program window
activity_layout = QGridLayout()
self.activity_box.setLayout(activity_layout)
activity_layout.addWidget(activity_graph)
self.activity_box.setContextMenuPolicy(Qt.CustomContextMenu)
self.activity_box.customContextMenuRequested.connect(
partial(NetworkActivity.box_context_menu, self))
# Getting the configuration and filling the server list with the found servers
SRVArea.srv_get(self)
# Starting checking servers availability process
self.srv_checking = self.main_loop.create_task(
SRVArea.async_srv_check(self))
# Starting checking software cpu and memory usage process
self.usage_checking = self.main_loop.create_task(async_sw_usage(self))
# Starting checking network activity process
self.activity_checking = self.main_loop.create_task(
NetworkActivity.async_get_activity(self))
if config.watchdog_enable:
# Setting watchdog event handler as PyQt Object signal
event_handler = ConfigWatchdog()
event_handler.fileUpdated.connect(self.config_change_action)
# Starting observer thread that schedules file watching and dispatches calls to event handler
observer = Observer()
observer.schedule(event_handler,
path=path.dirname(path.abspath(__file__)),
recursive=False)
observer.start()
