ftp.py 文件源码

def open(self, flags):
        if flags in ('r',):
            self._socket = self._conn.transfercmd('RETR %s' % self.url.path)
        elif flags in ('w', 'w+'):
            try:
                self._socket = self._conn.transfercmd('STOR %s' % self.url.path)
            except ftplib.error_perm:
                raise FileExistsError(str(self.url))