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def Start(self):
        if (self.conn == None) or (self.conn.State == 1):
            self.conn = win32com.client.Dispatch(r'ADODB.Connection')
            self.conn.Open(self.DSN) #JD:here will occupy 2MB mem
           
        if (self.rst == None) or (self.rst.State == 1):
            self.rst = win32com.client.Dispatch(r'ADODB.Recordset')   
            self.rst.Open('[' + self.strTableName + ']', self.conn, 1, 3) #JD:here will occupy <1MB mem


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1. pyserial (http://pyserial.wiki.sourceforge.net/pySerial)
2. pywin32 (http://sourceforge.net/projects/pywin32/)
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°Ñ´úÂë±£´æÎªrar.py
ÔÚdosÏÂʹÓã¬È磺rar.py "D:\A B\C" mkdir
#rar.py
#decompress with winrar
#arguments :filename directory opt
# op ......

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pylibpcap: python module for libpcap

#!/usr/bin/env python2
import pcap
import sys
import string
import time
import socket
import struct
protocols={socket.IPPROTO_TCP:'tcp',
           socket.IPPROTO_UDP:'udp',
           socket ......

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>>> import timeit
>>> t = timeit.Timer("soundex.soundex('Pilgrim')",
... "import soundex")
>>> t.timeit() ......
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