�

!��g����dZd
dl
m
Z

d
dlZd
dlZd
dlZd
dlmZmZ
d
dlmZmZm	Z	
gd�
Z
d
ZdZdZ
d
Zd	�Zd
�Zd�Zd�Zd
�Zd�Zeefd�
Zeefd�
Zy)zPseudo terminal utilities.�)
�selectN)�close�waitpid)�setraw�	tcgetattr�	tcsetattr)�openpty�fork�spawn�
�c��	t
j�S#ttf$r
YnwxYw
t	�\}}
t|
�
}||fS)
zdopenpty() -> (master_fd, slave_fd)
    Open a pty master/slave pair, using os.openpty() if possible.)�osr	�AttributeError�OSError�_open_terminal�
slave_open)�	master_fd�
slave_name�slave_fds   �*/opt/alt/python312/lib64/python3.12/pty.pyr	r	sL��
��z�z�|����G�$�

��

��*�,��I�z��*�%�H��h��s��(�
(c�
�d
dl}|jdtd��
	tj�\}
}tj
|�
}tj|�

|
|fS#ttf$r
Yt�SwxYw
)z�master_open() -> (master_fd, slave_name)
    Open a pty master and return the fd, and the filename of the slave end.
    Deprecated, use openpty() instead.rN�Use pty.openpty() instead.r
�
�
stacklevel)
�warnings�warn�DeprecationWarningrr	�ttynamerrrr)rrrrs    r�master_openr &s{��
��M�M�.�0B�q�M�Q�%� �j�j�l��	�8��Z�Z��)�
�
������*�$�$��
�G�$�

�����

�s�A#�#A>�=
A>c���d
D]C}dD]<}
d|z|
z}	t
j|tj�}|d|z|
zfc
c
S�Etd�
�
#t$r
Y�WwxYw
)z1Open pty master and return (master_fd, tty_name).�pqrstuvwxyzPQRST�0123456789abcdefz/dev/ptyz/dev/ttyzout of pty devices)r�open�O_RDWRr)�
x�
y�pty_name�fds    rrr9su��
�
�#�A�!�A�~�
�)�H�
��W�W�X�r�y�y�1���
�Q���*�+�+�
$� ��&�
'�'���

��

�s�$A�	A �
A c
�
�d
dl}
|
jdtd��
tj|tj
�}	d
dlm}m}
	|||d�
|||d�
|S#t$r
|cYSwxYw
#t$r
Y|SwxYw
)	z�slave_open(tty_name) -> slave_fd
    Open the pty slave and acquire the controlling terminal, returning
    opened filedescriptor.
    Deprecated, use openpty() instead.rNrr
r)�ioctl�I_PUSH�ptem�ldterm)rrrrr$r%�fcntlr+r,�ImportErrorr)�tty_namer�resultr+r,s     rrrEs�����M�M�.�0B�q�M�Q�
�W�W�X�r�y�y�
)�F��'�
�
�f�f�f�%�
�f�f�h�'��M���
��
�
��
�

���M�

�s$�A!�A2�!A/�.
A/�2	A?�>
A?c�
�	t
j�\}}
|tk(r	t
j�
||
fS||
fS#t$r
Y||
fSwxYw
#t
tf$r
YnwxYw
t
�\}}t
j�}|tk(r.t
j|�

t
j|�

||fSt
j|�

||fS)
zdfork() -> (pid, master_fd)
    Fork and make the child a session leader with a controlling terminal.)
r�forkpty�CHILD�setsidrrr	r
r�	login_tty)�pidr)rrs    rr
r
Zs�����*�*�,���R��%�<�
��	�	���B�w��s�B�w����
���B�w��
��

�G�$�

��

��"�)��I�x�
�'�'�)�C�
�e�|�
�����
���X��
�	�>��	������	�>�s �A�?�	A�

A�A#�"
A#c
�.�t
j|d
�S)zDefault read function.i)r�read)
r)s
 r�_readr;vs��
�7�7�2�t���c��t
j|�
r<t
j|d
�
	t||
|��
t
j|d�
yd}|tk7}|t
k7}d}d}	g}g}	|r#t
|�
|kr|jt�

|rt
|�
|kr|j|�

|r#t
|�
dkDr|	jt
�

t
|�
dkDr|	j|�

t||	g�\}}	}
t
|	vr 	t
jt
|�}||d}||vr	|
|�
}|s
y||z
}||	vrt
j||�}||d}|rt|vr|t�
}|sd
}n||z
}�
�#t
j|d�
wxYw
#t$r
d
}Y�~wxYw
#t$r
d}Y��wxYw
)z�Parent copy loop.
    Copies
            pty master -> standard output   (master_read)
            standard input -> pty master    (stdin_read)F)�master_read�
stdin_readTNir<r)r�get_blocking�set_blocking�_copy�STDIN_FILENO�
STDOUT_FILENO�len�appendr�writer)
rr>r?�high_waterlevel�stdin_avail�stdout_avail�i_buf�o_buf�rfds�wfds�_xfds�
n�datas
             rrBrBzs�
��

���y�!�	���	�5�)�	-��)���L�
�O�O�I�t�,���O��|�+�K��
�-�L��E��E�
������3�u�:��7��K�K��%��C��J��8��K�K�	�"��C��J��N��K�K�
�&��u�:�
�>��K�K�	�"�"�4��r�2���d�E��D� �
%��H�H�]�E�2�
��a�b�	�����
�"�9�-�����T�M�E��������E�*�A��!�"�I�E��<�4�/��l�+�D��#����
��U
��
�O�O�I�t�,��2�

%�$��

%���

���

�s/�F�F#�7F4�F �#F1�0
F1�4G�

Gc��t
|t�r|f
}tjd
|�
t	�\}}|t
k(rt
j|dg
|�
��
	tt�
}tt�

d}	t||
|�
|r tttj�
	t!|�

t#|d�dS#tj$r
d}Y�awxYw
#|r tttj�
wwxYw
)zCreate a spawned process.z	pty.spawnrTFr)�
isinstance�str�sys�auditr
r5r�execlprrCr�tty�errorrBr�	TCSAFLUSHrr)�argvr>r?r8r�mode�restores       rrr�s����$����w���I�I�k�4� ��V�N�C��
�e�|�
�	�	�$�q�'�!�D�!����&���|����9�
�i��j�1���l�C�M�M�4�8�	�)���3�
�?�1�����9�9�
���
����l�C�M�M�4�8��s� C�;
C�C�
C�$D)�__doc__rrrUrXrrrrr�__all__rCrD�
STDERR_FILENOr5r	r rrr
r;rBr�r<r�<module>rb
sq�


� �
�	�
�
�
�,�,�
&�����
��
�	��

�
�&

(�
�*
�8
�"'�5�?
�B"�e�
r<