http://wrox.cn/article/1004030/
# -*- coding: utf-8 -*- """ Created on Tue Jun 02 16:26:52 2015 @author: dapenghuang """ from _winreg import * # tweak as necessary version = sys.version[:3] installpath = sys.prefix regpath = "SOFTWARE\Python\Pythoncore\%s\" % (version) installkey = "InstallPath" pythonkey = "PythonPath" pythonpath = "%s;%s\Lib\;%s\DLLs\" % ( installpath, installpath, installpath ) def RegisterPy(): print "begin RegisterPy " try: print "open key : %s"%regpath reg = OpenKey(HKEY_CURRENT_USER, regpath) except EnvironmentError as e: try: reg = CreateKey(HKEY_CURRENT_USER, regpath) SetValue(reg, installkey, REG_SZ, installpath) SetValue(reg, pythonkey, REG_SZ, pythonpath) CloseKey(reg) except: print "*** EXCEPT: Unable to register!" return print "--- Python", version, "is now registered!" return if (QueryValue(reg, installkey) == installpath and QueryValue(reg, pythonkey) == pythonpath): CloseKey(reg) print "=== Python", version, "is already registered!" return CloseKey(reg) print "*** ERROR:Unable to register!" print "*** REASON:You probably have another Python installation!" def UnRegisterPy(): #print "begin UnRegisterPy " try: print "open HKEY_CURRENT_USER key=%s"%(regpath) reg = OpenKey(HKEY_CURRENT_USER, regpath) #reg = OpenKey(HKEY_LOCAL_MACHINE, regpath) except EnvironmentError: print "*** Python not registered?!" return try: DeleteKey(reg, installkey) DeleteKey(reg, pythonkey) DeleteKey(HKEY_LOCAL_MACHINE, regpath) except: print "*** Unable to un-register!" else: print "--- Python", version, "is no longer registered!" if __name__ == "__main__": RegisterPy()