msvc.py 文件源码

def lookup(self, key, name):
        """
        Look for values in registry in Microsoft software registry.

        Parameters
        ----------
        key: str
            Registry key path where look.
        name: str
            Value name to find.

        Return
        ------
        str: value
        """
        KEY_READ = winreg.KEY_READ
        openkey = winreg.OpenKey
        ms = self.microsoft
        for hkey in self.HKEYS:
            try:
                bkey = openkey(hkey, ms(key), 0, KEY_READ)
            except (OSError, IOError):
                if not self.pi.current_is_x86():
                    try:
                        bkey = openkey(hkey, ms(key, True), 0, KEY_READ)
                    except (OSError, IOError):
                        continue
                else:
                    continue
            try:
                return winreg.QueryValueEx(bkey, name)[0]
            except (OSError, IOError):
                pass