관리-도구
편집 파일: opcode.cpython-36.pyc
3 �b�W� � @ s� d Z ddlZdZdZdZdZdZeeeeed�Ze dd � ej � D ��Z G d d � d ej j �Zd d � Zdd� Zdd� Zdd� Zdd� ZdS )z DNS Opcodes.� N� � � � )�QUERY�IQUERY�STATUS�NOTIFY�UPDATEc c s | ]\}}||fV qd S )N� )�.0�x�yr r � /usr/lib/python3.6/opcode.py� <genexpr>& s r c @ s e Zd ZdZdS )� UnknownOpcodezAn DNS opcode is unknown.N)�__name__� __module__� __qualname__�__doc__r r r r r ) s r c C sB | j � r$t| �}|dkr$|dkr$|S tj| j� �}|dkr>t�|S )z�Convert text into an opcode. @param text: the textual opcode @type text: string @raises UnknownOpcode: the opcode is unknown @rtype: int r � N)�isdigit�int�_by_text�get�upperr )�text�valuer r r � from_text. s r c C s | d@ d? S )zUExtract an opcode from DNS message flags. @param flags: int @rtype: int i x � r )�flagsr r r � from_flagsA s r! c C s | d> d@ S )z`Convert an opcode to a value suitable for ORing into DNS message flags. @rtype: int r i x r )r r r r �to_flagsK s r" c C s t j| �}|dkrt| �}|S )z�Convert an opcode to text. @param value: the opcdoe @type value: int @raises UnknownOpcode: the opcode is unknown @rtype: string N)� _by_valuer �str)r r r r r �to_textT s r% c C s t | �tkS )znTrue if the opcode in flags is UPDATE. @param flags: DNS flags @type flags: int @rtype: bool )r! r )r r r r � is_updatec s r& )r Z dns.exceptionZdnsr r r r r r �dict�itemsr# Z exceptionZ DNSExceptionr r r! r" r% r& r r r r �<module> s$