import sys  
 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():  
  try:  
    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 "*** 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 "*** Unable to register!"  
  print "*** You probably have another Python installation!"  
if __name__ == "__main__":  
  RegisterPy()