irc.py 文件源码

def set_directory(self, directory):
        """Set the directory where the downloaded file will be placed.

        May raise OSError if the supplied directory path is not suitable.
        """
        if not path.exists(directory):
            raise OSError(errno.ENOENT, "You see no directory there.",
                          directory)
        if not path.isdir(directory):
            raise OSError(errno.ENOTDIR, "You cannot put a file into "
                          "something which is not a directory.",
                          directory)
        if not os.access(directory, os.X_OK | os.W_OK):
            raise OSError(errno.EACCES,
                          "This directory is too hard to write in to.",
                          directory)
        self.destDir = directory