r""" Return the name of the owner of this file or directory.

        This follows symbolic links.

        On Windows, this returns a name of the form ur'DOMAIN\User Name'.
        On Windows, a group can own a file or directory.

def owner(self):
        r""" Return the name of the owner of this file or directory.

        This follows symbolic links.

        On Windows, this returns a name of the form ur'DOMAIN\User Name'.
        On Windows, a group can own a file or directory.
        """
        if os.name == 'nt':
            if win32security is None:
                raise Exception("path.owner requires win32all to be installed")
            desc = win32security.GetFileSecurity(
                self, win32security.OWNER_SECURITY_INFORMATION)
            sid = desc.GetSecurityDescriptorOwner()
            account, domain, typecode = win32security.LookupAccountSid(None, sid)
            return domain + u'\\' + account
        else:
            if pwd is None:
                raise NotImplementedError("path.owner is not implemented on this platform.")
            st = self.stat()
            return pwd.getpwuid(st.st_uid).pw_name