a
R�f� � @ s� d dl m Z d dlZd dlZd dlZg d�Zd ZdZdZd Zdd� Z dd � Z
d
d � Z d d
� Z dd� Z
dd� Zdd� Zeefdd�Zeefdd�ZdS )� )�selectN)�openpty�fork�spawn� � c C s< z
t �� W S ttfy Y n0 t� \} }t|�}| |fS �N)�osr �AttributeError�OSError�_open_terminal�
slave_open)� master_fd�
slave_name�slave_fd� r �(/opt/alt/python39/lib64/python3.9/pty.pyr s
r c C sJ zt �� \} }W n ttfy& Y n 0 t �|�}t �|� | |fS t� S r )r r r
r �ttyname�closer )r r r r r r � master_open" s
r c
C sl dD ]Z} dD ]P}d| | }zt �|t j�}W n tyD Y q Y n0 |d| | f S qtd��d S )NZpqrstuvwxyzPQRSTZ0123456789abcdefz/dev/ptyz/dev/ttyzout of pty devices)r �open�O_RDWRr )�x�yZpty_name�fdr r r r 2 s
r c C sn t �| t j�}zddlm}m} W n ty8 | Y S 0 z |||d� |||d� W n tyh Y n0 |S )Nr )�ioctl�I_PUSHZptemZldterm)r r r Zfcntlr r � ImportErrorr )Ztty_name�resultr r r r r r
> s
r
c C s� zt �� \} }W n ttfy& Y n20 | tkrPz t �� W n tyN Y n0 | |fS t� \}}t �� } | tkr�t �� t �|� t � |t
� t � |t � t � |t � |t kr�t �|� t �
t �t �t j�}t �|� n
t �|� | |fS r )r �forkptyr
r �CHILD�setsidr r r �dup2� STDIN_FILENO�
STDOUT_FILENO�
STDERR_FILENOr r r )�pidr r r Ztmp_fdr r r r P s0
r c C s" |r t �| |�}||d � }q d S r )r �write)r �data�nr r r �_writenx s r* c C s t �| d�S )Ni )r �read)r r r r �_read~ s r, c C sv | t g}t|g g �\}}}| |v rF|| �}|s:|�| � n t�t|� t |v r|t �}|sf|�t � qt| |� qd S r )r# r �remover r' r$ r* )r � master_read�
stdin_readZfdsZrfdsZwfdsZxfdsr( r r r �_copy� s r0 c C s� t | �t d�kr| f} t�d| � t� \}}|tkrJtj| d g| �R � z t�t �}t�
t � d}W n tj y~ d}Y n0 zt |||� W n& t
y� |r�t�t tj|� Y n0 t�|� t�|d�d S )N� z pty.spawnr r )�type�sys�auditr r r �execlp�ttyZ tcgetattrr# Zsetraw�errorr0 r Z tcsetattrZ TCSAFLUSHr �waitpid)�argvr. r/ r& r �modeZrestorer r r r � s&
r )r r r3 r6 �__all__r# r$ r% r r r r r
r r* r, r0 r r r r r �<module> s" (