1. import os
    3. # Return CPU temperature as a character string                                      
    4. def getCPUtemperature():
    5.     res = os.popen('vcgencmd measure_temp').readline()
    6.     return(res.replace("temp=","").replace("'C\n",""))
    8. # Return RAM information (unit=kb) in a list                                       
    9. # Index 0: total RAM                                                               
    10. # Index 1: used RAM                                                                 
    11. # Index 2: free RAM                                                                 
    12. def getRAMinfo():
    13.     p = os.popen('free')
    14.     i = 0
    15.     while 1:
    16.         i = i + 1
    17.         line = p.readline()
    18.         if i==2:
    19.             return(line.split()[1:4])
    21. # Return % of CPU used by user as a character string                                
    22. def getCPUuse():
    23.     return(str(os.popen("top -n1 | awk '/Cpu\(s\):/ {print $2}'").readline().strip()))
    25. # Return information about disk space as a list (unit included)                     
    26. # Index 0: total disk space                                                         
    27. # Index 1: used disk space                                                         
    28. # Index 2: remaining disk space                                                     
    29. # Index 3: percentage of disk used                                                  
    30. def getDiskSpace():
    31.     p = os.popen("df -h /")
    32.     i = 0
    33.     while 1:
    34.         i = i +1
    35.         line = p.readline()
    36.         if i==2:
    37.             return(line.split()[1:5])
    40. # CPU informatiom
    41. CPU_temp = getCPUtemperature()
    42. CPU_usage = getCPUuse()
    44. # RAM information
    45. # Output is in kb, here I convert it in Mb for readability
    46. RAM_stats = getRAMinfo()
    47. RAM_total = round(int(RAM_stats[0]) / 1000,1)
    48. RAM_used = round(int(RAM_stats[1]) / 1000,1)
    49. RAM_free = round(int(RAM_stats[2]) / 1000,1)
    51. # Disk information
    52. DISK_stats = getDiskSpace()
    53. DISK_total = DISK_stats[0]
    54. DISK_used = DISK_stats[1]
    55. DISK_perc = DISK_stats[3]
    57. if __name__ == '__main__':
    58.     print('')
    59.     print('CPU Temperature = '+CPU_temp)
    60.     print('CPU Use = '+CPU_usage)
    61.     print('')
    62.     print('RAM Total = '+str(RAM_total)+' MB')
    63.     print('RAM Used = '+str(RAM_used)+' MB')
    64.     print('RAM Free = '+str(RAM_free)+' MB')
    65.     print('')  
    66.     print('DISK Total Space = '+str(DISK_total)+'B')
    67.     print('DISK Used Space = '+str(DISK_used)+'B')
    68.     print('DISK Used Percentage = '+str(DISK_perc))