(self, cmd, callback = None)
return self.voidresp()
Retrieve data in line mode.  A new port is created for you.

        Args:
          cmd: A RETR, LIST, or NLST command.
          callback: An optional single parameter callable that is called
                    for each line with the trailing CRLF stripped.
                    [default: print_line()]

        Returns:
          The response code.
Retrieve data in line mode.  A new port is created for you.
Retrieve data in line mode . A new port is created for you .
def retrlines(self, cmd, callback = None):
        """Retrieve data in line mode.  A new port is created for you.

        Args:
          cmd: A RETR, LIST, or NLST command.
          callback: An optional single parameter callable that is called
                    for each line with the trailing CRLF stripped.
                    [default: print_line()]

        Returns:
          The response code.
        """
        if callback is None:
            callback = print_line
        resp = self.sendcmd('TYPE A')
        with self.transfercmd(cmd) as conn, \
                 conn.makefile('r', encoding=self.encoding) as fp:
            while 1:
                line = fp.readline(self.maxline + 1)
                if len(line) > self.maxline:
                    raise Error("got more than %d bytes" % self.maxline)
                if self.debugging > 2:
                    print('*retr*', repr(line))
                if not line:
                    break
                if line[-2:] == CRLF:
                    line = line[:-2]
                elif line[-1:] == '\n':
                    line = line[:-1]
                callback(line)
            # shutdown ssl layer
            if _SSLSocket is not None and isinstance(conn, _SSLSocket):
                conn.unwrap()
        return self.voidresp()
def retrlines ( self , cmd , callback = None ) : if callback is None : callback = print_line resp = self . sendcmd ( 'TYPE A' ) with self . transfercmd ( cmd ) as conn , conn . makefile ( 'r' , encoding = self . encoding ) as fp : while 1 : line = fp . readline ( self . maxline + 1 ) if len ( line ) > self . maxline : raise Error ( "got more than %d bytes" % self . maxline ) if self . debugging > 2 : print ( '*retr*' , repr ( line ) ) if not line : break if line [ - 2 : ] == CRLF : line = line [ : - 2 ] elif line [ - 1 : ] == '\n' : line = line [ : - 1 ] callback ( line ) # shutdown ssl layer if _SSLSocket is not None and isinstance ( conn , _SSLSocket ) : conn . unwrap ( ) return self . voidresp ( )