setup.py 文件源码

def finalize_options(self):
        """
        Look for unacceptable inputs, and where they exist, default
        to reasonable standard values. Assume that no configuration
        exists prior to your running this command.
        """
        assert (isinstance(self.instance, str) and
                len(self.instance) > 0 and
                len(self.instance) < 32), 'Invalid instance name'
        assert getpwnam(self.username), 'User name not found'
        assert getgrnam(self.groupname), 'Group name not found'
        assert isinstance(self.hostname, str), 'Invalid hostname'
        assert (int(self.port) < 65536) and (int(self.port) > 1024), 'Invalid or privileged port given'
        assert isinstance(self.data_root, str), 'Invalid data_root directory'
        assert isinstance(self.config_root, str), 'Invalid config directory'
        assert isinstance(self.cgi_bin, str), 'Invalid cgi-bin directory'
        install.finalize_options(self)