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simple lock application with socket / port

/ Published in: Python
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  1. import socket
  2.  
  3. class Lock:
  4.     _s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  5.     @classmethod
  6.     def isPresent(cls,p=77777):
  7.         try:
  8.             cls._s.bind(("localhost", p))
  9.             cls._s.listen(1)
  10.             return False
  11.         except:
  12.             return True
  13.  
  14. if Lock.isPresent():
  15.     print "is running"
  16. else:
  17.     print "run"
  18.     import time
  19.     time.sleep(10)
  20.     print "end"

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