Python

   1 # -*- coding: utf-8 -*-
   2 print u"Olá mundo" # hello world in portuguese

   1 #utf-8 data
   2 utf81 ='\xc3\xba' 
   3 # convert from utf-8 to unicode
   4 unic = utf81.decode('utf-8') 
   5 
   6 for c in unic:
   7     print '%04X'%(ord(c))
   8 # convert from unicode to latin1/ISO8859-1 CP-1252
   9 lat1=unic.encode('latin1') 
  10 for c in lat1:
  11     print '%02X'%(ord(c))

   1 utf81='\xe1\xb7\x97' #utf-8 data
   2 
   3 unic = utf81.decode('utf-8') #converts from utf-8 to unicode (utf-16)
   4 for c in unic:
   5     print '%04X'%(ord(c))
   6 type(unic) # unicode, 2 bytes per char
   7 type(utf81) # str, 1 bytes per char

   1 import time
   2 # get seconds since epoch until now in UTC to a string year-month-dayThour:minute:second
   3 strutc = time.strftime('%Y-%m-%dT%H:%M:%S', time.gmtime() ) 
   4 # get seconds since epoch until now  in localtime to a string  year-month-dayThour:minute:second
   5 strlocal = time.strftime('%Y-%m-%dT%H:%M:%S', time.localtime() ) 
   6 # number seconds since epoch
   7 nrSeconds = time.mktime(time.gmtime())
   8 nrSeconds = time.time() #usually is UTC on all OS
   9 # from timestamp to string date
  10 import datetime
  11 print(datetime.datetime.fromtimestamp(1284101485).strftime('%Y-%m-%d %H:%M:%S'))
  12 #
  13 def toUTCDateStr(timestamp):
  14     return datetime.datetime.utcfromtimestamp( timestamp ).strftime('%Y-%m-%d %H:%M:%S ')
  15 # timedelta
  16 import datetime
  17 x=datetime.datetime.fromtimestamp(1284101485)
  18 nowx=datetime.datetime.now()                    
  19 ts=(nowx-x).total_seconds()
  20 print int(ts)

   1 import plistlib
   2 value = [{'key1':123,'key2':'asdf'},{'keyx1':'testing','keyz1':'yup'}]
   3 # save value in plist file
   4 plistlib.writePlist(value,'/tmp/plist1.plist')
   5 o=plistlib.readPlist('/tmp/plist1.plist')
   6 print o

   1 #!/usr/bin/python
   2 # timestable.py
   3 # calculates the times table in concurrency
   4 import threading
   5 import time
   6 
   7 class TimesTable (threading.Thread):
   8     def __init__(self, timesTable):
   9         threading.Thread.__init__(self) #required
  10         self.timeTable = timesTable
  11         self.count = 1
  12     def run(self):
  13         loop=True
  14         while loop:
  15             time.sleep(1) #sleep for 1 second
  16             result=self.timeTable * self.count
  17             print "%d*%d=%d"%(self.timeTable,self.count,result)
  18             if self.count<10:
  19                 self.count = self.count+1
  20             else:
  21                 self.count=1
  22 
  23 # create threads
  24 timesTable2 = TimesTable(2)
  25 timesTable5 = TimesTable(7)
  26 
  27 # start the threads
  28 timesTable2.start()
  29 timesTable5.start()

   1 import unittest
   2 
   3 class SimpleWidgetTestCase(unittest.TestCase):
   4     def setUp(self):
   5         self.widget = Widget('The widget')
   6 
   7     def tearDown(self):
   8         self.widget.dispose()
   9         self.widget = None

   1 import os
   2 nrSeconds=os.path.getmtime('/folder/file') # unix epoch, nr secs since 1970-01-01 00:00:00

   1 import os
   2 import signal
   3 os.kill(pid,signal.SIGTERM) 

   1 import syslog
   2 syslog.syslog(syslog.LOG_INFO,'message to syslog')

   1 # example service, dummyService.py
   2 import time
   3 while True:
   4     try:
   5         f=open('filex.log','wb')
   6         f.write('%f'%(time.time()))
   7         f.close() 
   8         time.sleep(5)
   9     except KeyboardInterrupt:
  10         quit()

   1 #service monitor.py
   2 import os
   3 import syslog
   4 import subprocess
   5 
   6 if __name__=="__main__":
   7     files = os.listdir('/proc')
   8     script="dummyService.py"
   9     prefix="dummyService:"
  10 
  11     svcRunning=False
  12 
  13     for file in files:
  14 
  15         if file.isdigit():
  16             cmdline = open('/proc/%s/cmdline'%(file),'r').read()
  17             proc = "%s %s "%(file,cmdline)
  18 
  19             if script  in proc :
  20                 svcRunning=True
  21 
  22     if svcRunning==False:
  23         syslog.syslog(syslog.LOG_INFO,'%s process created '%(prefix) )
  24         subprocess.Popen(['/usr/bin/python','dummyService.py'],cwd='/home/userx/svc')