RaspSysInfo.py
biblioteka z klasą SysInfo() udostępniająca różne informacje o systemie Raspbian Debian Wheezy.
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import subprocess import os from datetime import datetime import time import socket import os import urllib2 class SysInfo(): def getInternetStatus(self): REMOTE_SERVER = "www.google.com" try: host = socket.gethostbyname(REMOTE_SERVER) s = socket.create_connection((host, 80), 2) lan_connection = "OK" return lan_connection except: pass #lan_connection = "-" return 0 # Return information about disk space as a list (unit included) # Index 0: total disk space # Index 1: used disk space # Index 2: remaining disk space # Index 3: percentage of disk used def getDiskSpace(self): p = os.popen("df -h /") i = 0 while 1: i = i +1 line = p.readline() if i==2: return(line.split()[1:5]) def getExtIp(self): try: external_ip = urllib2.urlopen('http://ip.42.pl/raw').read() return external_ip except: return 0 # Return RAM information (unit=kb) in a list # Index 0: total RAM # Index 1: used RAM # Index 2: free RAM def getRAMinfo(self): p = os.popen('free -m') i = 0 while 1: i = i + 1 line = p.readline() if i==2: return(line.split()[1:4]) def getRam(self): #Returns a tuple (total ram, available ram) in megabytes. See www.linuxatemyram. com try: s = subprocess.check_output(["free","-m"]) lines = s.split('\n') return ( int(lines[1].split()[1]), int(lines[2].split()[3]) ) except: return 0 def getProcessCount(self): #Returns the number of processes try: s = subprocess.check_output(["ps","-e"]) return len(s.split('\n')) except: return 0 def getUpStats(self): #Returns a tuple (uptime, 5 min load average) try: s = subprocess.check_output(["uptime"]) load_split = s.split('load average: ') load_five = float(load_split[1].split(',')[1]) up = load_split[0] up_pos = up.rfind(',',0,len(up)-4) up = up[:up_pos].split('up ')[1] return ( up , load_five ) except: return ( [] , 0 ) def getConnections(self): #Returns the number of network connections try: s = subprocess.check_output(["netstat","-tun"]) return len([x for x in s.split() if x == 'ESTABLISHED']) except: return 0 def getTemperature(self): #Returns the temperature in degrees C try: s = subprocess.check_output(["/opt/vc/bin/vcgencmd","measure_temp"]) return float(s.split('=')[1][:-3]) except: return 0 def getIpAddress(self): #Returns the current IP address arg='ip route list' p=subprocess.Popen(arg,shell=True,stdout=subprocess.PIPE) data = p.communicate() split_data = data[0].split() ipaddr = split_data[split_data.index('src')+1] return ipaddr def getCpuMaxSpeed(self): #Returns the Max CPU speed f = os.popen('/opt/vc/bin/vcgencmd get_config arm_freq') cpu = int(f.read().split('=')[1]) if cpu == 0: return 700 else: return cpu def getCpuCurrentSpeed(self): #Returns the current CPU speed file = open('/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq','r') current_cpu = int(file.read()) if current_cpu == 0: return 700 else: return current_cpu def getCurrentCPUuse(self): cpu_usage = (float(os.popen("top -bn 2 -d 0.01 | grep '^%Cpu' | tail -n 1 | awk '{print $2+$4+$6}'").readline().strip())) return cpu_usage #get kernel release def getKernelRelease(self): f = os.popen('uname -r') kernel = str(f.read().split()[0]) return kernel #hostname def getHostName(self): f = os.popen('uname -n') host_name = str(f.read().split()[0]) return host_name |
RaspSysInfo_example.py
przykład użycia klasy SysInfo z biblioteki RaspSysInfo. Oba pliki muszą być w jednym katalogu.
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#!/usr/bin/python from RaspSysInfo import SysInfo """RaspSysInfo_example: example usage for RaspSysInfo.py """ __author__ = "zbiros" __copyright__ = "Copyright 2015, Malinowo.net.pl" __license__ = "GPL" __version__ = "1.0.1" __maintainer__ = "zbiros" __email__ = "zbiros@malinowo.secu.com.pl" __status__ = "Development" SysInfo = SysInfo() a = SysInfo.getInternetStatus() print "getInternetStatus:" + a print "--------------------------" b = SysInfo.getDiskSpace() print "getDiskSpace/remaining:" + b[2] print "--------------------------" c = SysInfo.getExtIp() print "getExtIp:" + c print "--------------------------" d = SysInfo.getRAMinfo() print "getRAMinfo/free RAM:" + d[2] print "--------------------------" e = SysInfo.getRam() print "getRam:" + `e[0]` print "--------------------------" f = SysInfo.getProcessCount() print "getProcessCount:" + `f` print "--------------------------" g = SysInfo.getUpStats() print "getUpStats:" + g[0] print "--------------------------" h = SysInfo.getConnections() print "getConnections:" + `h` print "--------------------------" i = SysInfo.getTemperature() print "getTemperature:" + `i` print "--------------------------" j = SysInfo.getIpAddress() print "getIpAddress:" + j print "--------------------------" k = SysInfo.getCpuMaxSpeed() print "getCpuMaxSpeed:" + `k` print "--------------------------" l = SysInfo.getCpuCurrentSpeed() print "getCpuCurrentSpeed:" + `l` print "--------------------------" m = SysInfo.getCurrentCPUuse() print "getCurrentCPUuse:" + `m` print "--------------------------" o = SysInfo.getKernelRelease() print "getKernelRelease:" + o print "--------------------------" p = SysInfo.getHostName() print "getHostName:" + p print "--------------------------" |