3
\� � @ s� d dl m Z d dlZd dlZdddgZd ZdZdZd Zdd� Zd d
� Z d d � Z
d
d� Z dd� Z dd� Z
dd� Zeefdd�Zeefdd�ZdS )� )�selectN�openpty�fork�spawn� � c C s< yt j� S ttfk
r Y nX t� \} }t|�}| |fS )N)�osr �AttributeError�OSError�_open_terminal�
slave_open)� master_fd�
slave_name�slave_fd� r �/usr/lib64/python3.6/pty.pyr s
c C sL yt j� \} }W n ttfk
r( Y n X t j|�}t j|� | |fS t� S )N)r r r r
�ttyname�closer )r
r r r r r � master_open! s
r c
C sl x^dD ]V} xPdD ]H}d| | }yt j|t j�}W n tk
rH wY nX |d| | fS W qW td��d S )NZpqrstuvwxyzPQRSTZ0123456789abcdefz/dev/ptyz/dev/ttyzout of pty devices)r �open�O_RDWRr
)�x�yZpty_name�fdr r r r 1 s
r c C sn t j| t j�}yddlm}m} W n tk
r6 |S X y |||d� |||d� W n tk
rh Y nX |S )Nr )�ioctl�I_PUSHZptemZldterm)r r r Zfcntlr r � ImportErrorr
)Ztty_name�resultr r r r r r = s r c C s� yt j� \} }W n ttfk
r( Y n4X | tkrTy t j� W n tk
rR Y nX | |fS t� \}}t j� } | tkr�t j� t j|� t j |t
� t j |t � t j |t � |t kr�t j|� t j
t jt �t j�}t j|� n
t j|� | |fS )N)r �forkptyr r
�CHILD�setsidr r r �dup2� STDIN_FILENO�
STDOUT_FILENO�
STDERR_FILENOr r r )�pidr r
r Ztmp_fdr r r r O s0
c C s& x |r t j| |�}||d � }qW d S )N)r �write)r �data�nr r r �_writenw s r) c C s t j| d�S )Ni )r �read)r r r r �_read} s r+ c C sz | t g}xlt|g g �\}}}| |krH|| �}|s<|j| � n tjt|� t |kr
|t �}|sh|jt � q
t| |� q
W d S )N)r" r �remover r& r# r) )r
� master_read�
stdin_readZfdsZrfdsZwfdsZxfdsr' r r r �_copy� s r/ c C s� t | �t d�kr| f} t� \}}|tkr s
(