old_contents: #!/usr/bin/python
  # Author : ipmstyle, https://github.com/ipmstyle
  #        : jeonghoonkang, https://github.com/jeonghoonkang
  # for the detail of HW connection, see lcd_connect.py
  
  import sys
  from time import strftime, localtime
  # beware the dir location, it should exist
  sys.path.append("../lcd_berepi/lib")
  sys.path.append("../sht20")
  from lcd import *
  from sht25class import *
  
  
  def main():
    # Initialise display
    lcd_init()
    #print ip_chk(), wip_chk(), mac_chk(), wmac_chk(), stalk_chk(), time_chk()
  
    while True:
  
      str = ip_chk()
      str = str[:-1]
      lcd_string('%s ET' %str,LCD_LINE_1,1)
      str = mac_chk()
      str = str[:-1]
  
      lcd_string('%s' % (tstr),LCD_LINE_1,1)
      str = humi_chk()
      lcd_string('%.5s ' % (str),LCD_LINE_2,1)
      whiteLCDon()
      time.sleep(2) 
  
  
  def run_cmd(cmd):
      p = Popen(cmd, shell=True, stdout=PIPE)
      output = p.communicate()[0]
      return output
  
  def temp_chk():
      temperature = getTemperature()
      return temperature
  
  def humi_chk():
      humidity = getHumidity()
      return humidity
  
  def time_chk():
      time = strftime("%Y-%m%d %H:%M", localtime())
      return time
  
  def ip_chk():
      cmd = "ip addr show eth0 | grep inet | awk '$2 !~ /^169/ {print $2}' | cut -d/ -f1"
      ipAddr = run_cmd(cmd)
      return ipAddr
  
  def wip_chk():
      cmd = "ip addr show wlan0 | grep inet | awk '{print $2}' | cut -d/ -f1"
      wipAddr = run_cmd(cmd)
      return wipAddr
  
  def mac_chk():
      cmd = "ifconfig -a | grep ^eth | awk '{print $5}'"
      macAddr = run_cmd(cmd)
      return macAddr
  
  def wmac_chk():
      cmd = "ifconfig -a | grep ^wlan | awk '{print $5}'"
      wmacAddr = run_cmd(cmd)
      return wmacAddr
  
  def stalk_chk():
      cmd = "hostname"
      return run_cmd(cmd)
  
  if __name__ == '__main__':
  
    try:
      main()
    except KeyboardInterrupt:
      pass
    finally:
      lcd_byte(0x01, LCD_CMD)
      lcd_string("Goodbye!",LCD_LINE_1,2)
      GPIO.cleanup()
  
new_contents: 
  #!/usr/bin/python
  # Author : ipmstyle, https://github.com/ipmstyle
  #        : jeonghoonkang, https://github.com/jeonghoonkang
  # for the detail of HW connection, see lcd_connect.py
  
  import sys
  from time import strftime, localtime
  # beware the dir location, it should exist
  sys.path.append("../lcd_berepi/lib")
  sys.path.append("../sht20")
  from lcd import *
  from sht25class import *
  
  
  def main():
    # Initialise display
    lcd_init()
    #print ip_chk(), wip_chk(), mac_chk(), wmac_chk(), stalk_chk(), time_chk()
  
    while True:
  
      str = ip_chk()
      str = str[:-1]
      lcd_string('%s ET' %str,LCD_LINE_1,1)
      str = mac_chk()
      str = str[:-1]
  
      lcd_string('%s' % (tstr),LCD_LINE_1,1)
      str = humi_chk()
      lcd_string('%.5s ' % (str),LCD_LINE_2,1)
      whiteLCDon()
      time.sleep(2) 
  
  
  def run_cmd(cmd):
      p = Popen(cmd, shell=True, stdout=PIPE)
      output = p.communicate()[0]
      return output
  
  def temp_chk():
      temperature = getTemperature()
      return temperature
  
  def humi_chk():
      humidity = getHumidity()
      return humidity
  
  def time_chk():
      time = strftime("%Y-%m%d %H:%M", localtime())
      return time
  
  def ip_chk():
      cmd = "ip addr show eth0 | grep inet | awk '$2 !~ /^169/ {print $2}' | cut -d/ -f1"
      ipAddr = run_cmd(cmd)
      return ipAddr
  
  def wip_chk():
      cmd = "ip addr show wlan0 | grep inet | awk '{print $2}' | cut -d/ -f1"
      wipAddr = run_cmd(cmd)
      return wipAddr
  
  def mac_chk():
      cmd = "ifconfig -a | grep ^eth | awk '{print $5}'"
      macAddr = run_cmd(cmd)
      return macAddr
  
  def wmac_chk():
      cmd = "ifconfig -a | grep ^wlan | awk '{print $5}'"
      wmacAddr = run_cmd(cmd)
      return wmacAddr
  
  def stalk_chk():
      cmd = "hostname"
      return run_cmd(cmd)
  
  if __name__ == '__main__':
  
    try:
      main()
    except KeyboardInterrupt:
      pass
    finally:
      lcd_byte(0x01, LCD_CMD)
      lcd_string("Goodbye!",LCD_LINE_1,2)
      GPIO.cleanup()
  
subject: Update accel.py