今天小编就为大家分享一篇将python安装信息加入注册表的示例，具有很好的参考价值，希望对大家有所帮助。一起跟随小编过来看看吧
背景
重装系统，发现之前装在E盘的python可以直接使用，就只是将python的安装目录加入到环境变量中，也一直没有管它，今天跟天软交互的时候发现一直不成功，猜测可能是没有注册表信息。
从网上找的一段代码，直接复制运行即可，留存备查。
代码
py3.5.2
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() py2.*版本
''' 解决注册问题，pywin32安装存在问题 ''' 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()
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