python version 3.3 required,which was not found in the registry

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安装 cx_Oracle-5.1.3-11g.win-amd64-py3.3.exe 的时候，不能再注册表中识别出来python3.3

方法：新建一个register.py 文件，把一下代码贴进去，保存后执行。

import sys from winreg import * # tweak as necessaryversion = 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()

再安装 cx_Oracle-5.1.3-11g.win-amd64-py3.3.exe 的时候，就能自动识别出来python3.3了。

win7是 64的原因，在安装python（32位）时，如果选择只为当前用户，以上问题是不会出现的，如果选择所有用户，那就用上面的方法解决吧。

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