can you add the function load old data for candlesticklive example? or how can to emplemt it? thank you about pglive HOT 6 CLOSED

import signal
from threading import Thread

import pglive.examples_pyqt5 as examples
from pglive.sources.data_connector import DataConnector
from pglive.sources.live_candleStickPlot import LiveCandleStickPlot
from pglive.sources.live_plot_widget import LivePlotWidget

"""
In this example Scatter plot is displayed.
"""
win = LivePlotWidget(title="Candlestick Plot @ 10Hz")
plot = LiveCandleStickPlot()
win.addItem(plot)
data_connector = DataConnector(plot, max_points=50, update_rate=10)
win.show()

x_data = [-140, -130, -120, -110, -100, -90, -80, -70, -60, -50, -40, -30, -20, -10]
y_data = [[0.0249974, 0.01999867, -0.15300133, 0.1699974],
          [0.27154694, 0.21822962, -0.30077038, 0.41154694],
          [0.501213, 0.40776045, -0.50923955, 0.533213],
          [0.69971608, 0.58103516, -0.28296484, 1.19471608],
          [0.85471419, 0.73114583, 0.31014583, 1.34571419],
          [0.95657032, 0.85210802, 0.51010802, 1.25857032],
          [0.99895153, 0.93909936, 0.86309936, 1.55695153],
          [0.98398595, 0.98544973, 0.65098595, 1.46244973],
          [0.90929743, 0.9995736, 0.67529743, 1.6775736],
          [0.7780732, 0.97384763, 0.0710732, 1.13184763],
          [0.59847214, 0.90929743, -0.04452786, 0.99729743],
          [0.38166099, 0.8084964, -0.09333901, 0.8374964],
          [0.14112001, 0.67546318, 0.11212001, 0.74546318],
          [-0.57156132, 0.14112001, -0.87856132, 0.46312001]]
data_connector.cb_set_data(y=y_data, x=x_data)

Thread(target=examples.candle_generator, args=(data_connector,)).start()
signal.signal(signal.SIGINT, lambda sig, frame: examples.stop())
examples.app.exec()
examples.stop()

        if x == self.x[-1]:
            self.y.pop()
            self.y.append(y)
        else:
            self.x.append(x)
            self.y.append(y)
        
        if self.tick_position_indexes is not None:
            if len(self.tick_position_indexes) == 0:
                self.tick_position_indexes.append(0.0)
            elif len(self.tick_position_indexes) == self.tick_position_indexes.maxlen:
                self.tick_position_indexes.rotate(-1)
            else:
                self.tick_position_indexes.append(self.tick_position_indexes[-1] + 1.0)
        self.last_update = time.perf_counter()

        if not self._skip_plot():
            self._update_data(**kwargs)
            self.sig_data_roll_tick.emit(self, self.rolling_index)
            self.rolling_index += 1

    if self._vl_kwargs is not None:
        self._vl_kwargs["line"].setPos(last_x_point)
    if self._hl_kwargs is not None:
        self._hl_kwargs["line"].setPos(last_y_point)

    y_text = str([round(x, 4) for x in self.y_data[-1]])
    self.update_leading_text(last_x_point, last_y_point, y_text=y_text)