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a d�h� � @ s, d Z ddlmZ ddlZddlmZmZ ddlmZ dgZ dd d �d d �Z e d�Z e d �Z e d�Z e d�Ze d�Ze d�Ze d�Ze d�Ze d�Ze d�Ze d�Ze d�Ze d�Ze d�Ze d �Ze d�Ze d�Ze d�Ze d�Z e d�Z e d�Z e d�Z e d �Z e d �Z!e d �Z"e d �Z#G d d� d�Z$dS )!z� Parser for the Telnet protocol. (Not a complete implementation of the telnet specification, but sufficient for a command line interface.) Inspired by `Twisted.conch.telnet`. � )� annotationsN)�Callable� Generator� )�logger�TelnetProtocolParser�int�bytes)�number�returnc C s t | f�S �N)r )r � r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/prompt_toolkit/contrib/telnet/protocol.py�int2byte s r � � � � �" � � � �� � � �� �� �� � � � � � c @ s� e Zd ZdZddddd�dd�Zd dd �d d �Zd dd �d d�Zd dd �dd�Zd dd �dd�Zd dd �dd�Z d d dd�dd�Z d dd �dd�Z d dd �dd�Z d dd �d d �Z d d �d d!�Zd dd �d"d#�Zd$S )%r a Parser for the Telnet protocol. Usage:: def data_received(data): print(data) def size_received(rows, columns): print(rows, columns) p = TelnetProtocolParser(data_received, size_received) p.feed(binary_data) zCallable[[bytes], None]zCallable[[int, int], None]zCallable[[str], None]�None)�data_received_callback�size_received_callback�ttype_received_callbackr c C s, || _ || _|| _| �� | _| j�d � d S r )r$ r% r& �_parse_coroutine�_parser�send)�selfr$ r% r& r r r �__init__G s z TelnetProtocolParser.__init__r )�datar c C s | � |� d S r )r$ �r* r, r r r � received_dataT s z"TelnetProtocolParser.received_datac C s t �d|� dS )zReceived telnet DO command.zDO %rN�r �infor- r r r � do_receivedW s z TelnetProtocolParser.do_receivedc C s t �d|� dS )z Received telnet DONT command.zDONT %rNr/ r- r r r � dont_received[ s z"TelnetProtocolParser.dont_receivedc C s t �d|� dS )z Received telnet WILL command.zWILL %rNr/ r- r r r � will_received_ s z"TelnetProtocolParser.will_receivedc C s t �d|� dS )z Received telnet WONT command.zWONT %rNr/ r- r r r � wont_receivedc s z"TelnetProtocolParser.wont_received)�commandr, r c C sb |t kr| �|� nJ|tkr(| �|� n6|tkr<| �|� n"|tkrP| �|� nt� d||� d S )Nzcommand received %r %r) �DOr1 �DONTr2 �WILLr3 �WONTr4 r r0 )r* r5 r, r r r �command_receivedg s z%TelnetProtocolParser.command_receivedc C s8 t |�dkr*t�d|�\}}| �||� n t�d� dS )z5 Received NAWS. (Window dimensions.) � z!HHzWrong number of NAWS bytesN)�len�struct�unpackr% r �warning)r* r, �columns�rowsr r r �nawsw s zTelnetProtocolParser.nawsc C sF |dd� |dd� }}|t kr8|�d�}| �|� n t�d� dS )z) Received terminal type. r r N�asciiz.Received a non-IS terminal type Subnegotiation)�IS�decoder& r r? )r* r, Zsubcmd�ttyper r r rF � s zTelnetProtocolParser.ttypec C sV |dd� |dd� }}|t kr.| �|� n$|tkrB| �|� nt�dt|�� dS )z% Got negotiate data. r r NzNegotiate (%r got bytes))�NAWSrB �TTYPErF r r0 r< )r* r, r5 �payloadr r r � negotiate� s z TelnetProtocolParser.negotiatez Generator[None, bytes, None])r c c s� dV }|t d�krq |tkr�dV }|tkr6| �|� q�|ttttttt t t f v r^| � |d� q�|t tttfv r�dV }| � ||� q�|tkr�g }dV }|tkr�dV }|tkr�q�q�|�|� q�|�|� q�| �d�|�� q | �|� q dS )z_ Parser state machine. Every 'yield' expression returns the next byte. Nr � )r �IACr. �NOP�DM�BRK�IP�AO�AYT�EC�EL�GAr: r6 r7 r8 r9 �SB�SE�appendrJ �join)r* �dZd2Zd3r, Zd4r r r r' � s. z%TelnetProtocolParser._parse_coroutinec C s |D ]}| j �t|�� qdS )z* Feed data to the parser. N)r( r) r )r* r, �br r r �feed� s zTelnetProtocolParser.feedN)�__name__� __module__� __qualname__�__doc__r+ r. r1 r2 r3 r4 r: rB rF rJ r' r\ r r r r r 8 s 0)%r` � __future__r r= �typingr r �logr �__all__r rM ZSGArL r6 r7 ZLINEMODErV r8 r9 ZMODErW �ECHOrG ZSUPPRESS_GO_AHEADrH ZSENDrD rN rO rP rQ rR rS rT rU r r r r r �<module> sD �
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