py-linux-weihu

luyishisi · luyishisi · commit c1092cb088de · 2016-02-29T13:41:52.000+08:00
diff --git a/1.py b/1.py
@@ -0,0 +1,5 @@
+str = input()
+for i in range(len(str)):
+    if (str[i] == '+'):
+        break
+print(str[i])
diff --git a/\ b/\
@@ -0,0 +1,11 @@
+str = input()
+l = len(str)
+for i in range(l):
+    print(str[i],end=" ")
+    if (str[i] == '+'):
+        break
+print (i)
+a = int(str[:i:])
+b = int(str[i+1::])
+print (a+b)
+
diff --git a/py_linux_jiankong/1.py b/py_linux_jiankong/1.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env Python
+from __future__ import print_function
+from collections import OrderedDict
+import pprint
+
+def CPUinfo():
+    ''' Return the information in /proc/CPUinfo
+    as a dictionary in the following format:
+    CPU_info['proc0']={...}
+    CPU_info['proc1']={...}
+    '''
+    CPUinfo=OrderedDict()
+    procinfo=OrderedDict()
+
+    nprocs = 0
+    with open('/proc/cpuinfo') as f:
+        for line in f:
+            if not line.strip():
+                # end of one processor
+                CPUinfo['proc%s' % nprocs] = procinfo
+                nprocs=nprocs+1
+                # Reset
+                procinfo=OrderedDict()
+            else:
+                if len(line.split(':')) == 2:
+                    procinfo[line.split(':')[0].strip()] = line.split(':')[1].strip()
+                else:
+                    procinfo[line.split(':')[0].strip()] = ''
+            
+    return CPUinfo
+
+if __name__=='__main__':
+    CPUinfo = CPUinfo()
+    for processor in CPUinfo.keys():
+        print(CPUinfo[processor]['model name'])
+
diff --git a/py_linux_jiankong/2.py b/py_linux_jiankong/2.py
@@ -0,0 +1,15 @@
+#!/usr/bin/env Python   
+import os 
+def load_stat(): 
+    loadavg = {} 
+    f = open("/proc/loadavg") 
+    con = f.read().split() 
+    f.close() 
+    loadavg['lavg_1']=con[0] 
+    loadavg['lavg_5']=con[1] 
+    loadavg['lavg_15']=con[2] 
+    loadavg['nr']=con[3] 
+    loadavg['last_pid']=con[4] 
+    return loadavg 
+print "loadavg",load_stat()['lavg_15']
+
diff --git a/py_linux_jiankong/3.py b/py_linux_jiankong/3.py
@@ -0,0 +1,22 @@
+#!/usr/bin/env Python
+
+from __future__ import print_function
+from collections import OrderedDict
+
+def meminfo():
+    ''' Return the information in /proc/meminfo
+    as a dictionary '''
+    meminfo=OrderedDict()
+
+    with open('/proc/meminfo') as f:
+        for line in f:
+            meminfo[line.split(':')[0]] = line.split(':')[1].strip()
+    return meminfo
+
+if __name__=='__main__':
+    #print(meminfo())
+    
+    meminfo = meminfo()
+    print('Total memory: {0}'.format(meminfo['MemTotal']))
+    print('Free memory: {0}'.format(meminfo['MemFree']))
+
diff --git a/py_linux_jiankong/4.py b/py_linux_jiankong/4.py
@@ -0,0 +1,42 @@
+#!/usr/bin/env Python
+import time
+import sys
+
+if len(sys.argv) > 1:
+    INTERFACE = sys.argv[1]
+else:
+    INTERFACE = 'eth0'
+STATS = []
+print 'Interface:',INTERFACE
+
+def rx():
+    ifstat = open('/proc/net/dev').readlines()
+    for interface in  ifstat:
+        if INTERFACE in interface:
+            stat = float(interface.split()[1])
+            STATS[0:] = [stat]
+
+def tx():
+    ifstat = open('/proc/net/dev').readlines()
+    for interface in  ifstat:
+        if INTERFACE in interface:
+            stat = float(interface.split()[9])
+            STATS[1:] = [stat]
+
+print   'In         Out'
+rx()
+tx()
+
+while   True:
+    time.sleep(1)
+    rxstat_o = list(STATS)
+    rx()
+    tx()
+    RX = float(STATS[0])
+    RX_O = rxstat_o[0]
+    TX = float(STATS[1])
+    TX_O = rxstat_o[1]
+    RX_RATE = round((RX - RX_O)/1024/1024,3)
+    TX_RATE = round((TX - TX_O)/1024/1024,3)
+    print RX_RATE ,'MB      ',TX_RATE ,'MB'
+
diff --git a/py_linux_jiankong/5.py b/py_linux_jiankong/5.py
@@ -0,0 +1,18 @@
+#!/usr/bin/env Python 
+# coding:utf-8
+import os, sys, time 
+
+while True: 
+    time.sleep(4) 
+    try: 
+        ret = os.popen('ps -C apache2 -o pid,cmd').readlines() 
+        if len(ret) < 2: 
+            print "apache 进程异常退出， 4 秒后重新启动" 
+        time.sleep(3) 
+        os.system("service apache2 restart") 
+        print("service apache2 restart")
+        ret2 = os.popen('ps -C apache2 -o pid,cmd').readlines()  
+        print(ret2)
+    except: 
+        print "Error", sys.exc_info()[1]
+
