text: import time
  import matplotlib.pyplot as plt
  import matplotlib.dates as mdate
  import numpy as np
  import rrdtool
  
  start = 26300000
  end = 0
  
  if int(end) <= 0:
      end = 2
  if int(start) <= 0:
      start = 600
  
  epochTimeNow = int(time.time()-1)
  data = rrdtool.fetch('/home/bca/rrdtoolfilesave/powerCapturenew.rrd', 'AVERAGE',
                       '--start', f'-{start}',
                       '--end', f'-{end}')
  
  values = np.array(data[2])
  values[values == None] = 0
  epochEndTime = epochTimeNow - int(end)
  epochStartTime = epochTimeNow - int(start)
  timeseries = np.zeros(shape=((epochEndTime-epochStartTime + 1), 1))
  
  for i in range (epochEndTime - epochStartTime + 1):
      timeseries[i] = epochStartTime + 7200 + i
  
  fig, ax = plt.subplots()
  timeseries = mdate.epoch2num(timeseries)
  ax.plot_date(timeseries, values, linestyle = '-', marker = '', label=f'AllThePower')
  timeseriesFormat = '%d-%m-%y %H:%M:%S'
  timeseriesFormatted = mdate.DateFormatter(timeseriesFormat)
  ax.xaxis.set_major_formatter(timeseriesFormatted)
  fig.autofmt_xdate()
  plt.ylim(bottom = 0)
  StartTime = time.strftime('%Y-%m-%d [%H:%M:%S]', time.localtime(epochStartTime))
  EndTime = time.strftime('%Y-%m-%d [%H:%M:%S]', time.localtime(epochEndTime))
  plt.ylabel('Watt')
  
  plt.title(f'Time range: {StartTime}    -    {EndTime}')
  plt.tight_layout()
  plt.legend()
  plt.show()
  plt.close()
  