~&⏪ d Z ddlmZ ddlZddlZddlZddlmZmZ ddlmZmZm Z g dZ
dZ dZ dZ
dZd Zd
Zd Zd Zd
Zd ZeefdZeefdZdS )zPseudo terminal utilities. )selectN)closewaitpid)setraw tcgetattr tcsetattr)openptyforkspawn c t j S # t t f$ r Y nw xY wt \ } }t | }| |fS )zdopenpty() -> (master_fd, slave_fd)
Open a pty master/slave pair, using os.openpty() if possible.)osr AttributeErrorOSError_open_terminal
slave_open) master_fd
slave_nameslave_fds 0/opt/alt/python-internal/lib64/python3.11/pty.pyr r s`
z|| G $
* , ,Iz*%%H h s ))c t j \ } }t j | }t j | | |fS # t t
f$ r Y nw xY wt
S )zmaster_open() -> (master_fd, slave_name)
Open a pty master and return the fd, and the filename of the slave end.
Deprecated, use openpty() instead.)r r ttynamer r r r )r r r s r master_openr & sx
% jll 8 Z))
*$$
G $
s A AAc dD ]M} dD ]H}d| z |z } t j |t j }n# t $ r Y 7w xY w|d| z |z fc c S Nt d )z1Open pty master and return (master_fd, tty_name).pqrstuvwxyzPQRST0123456789abcdefz/dev/ptyz/dev/ttyzout of pty devices)r openO_RDWRr )xypty_namefds r r r 6 s
, ,# , ,A!A~)H
WXry11
Q*+ + + + + +
, &
'
''s 2
??c t j | t j } ddlm}m} n# t $ r |cY S w xY w |||d |||d n# t $ r Y nw xY w|S )zslave_open(tty_name) -> slave_fd
Open the pty slave and acquire the controlling terminal, returning
opened filedescriptor.
Deprecated, use openpty() instead.r )ioctlI_PUSHptemldterm)r r r fcntlr% r& ImportErrorr )tty_nameresultr% r& s r r r B s WXry
)
)F'''''''''
fff%%%
ffh''''
Ms * 99A
A%$A%c t j \ } }| t k r% t j n# t $ r Y nw xY w| |fS # t
t f$ r Y nw xY wt
\ }}t j } | t k rt j t j | t j |t t j |t t j |t |t k rt j | t j
t j t t j }t j | nt j | | |fS )zdfork() -> (pid, master_fd)
Fork and make the child a session leader with a controlling terminal.)r forkptyCHILDsetsidr r r r
r dup2 STDIN_FILENO
STDOUT_FILENO
STDERR_FILENOr r r )pidr# r r tmp_fds r r
r
T se *,,R %<<
Bw
G $
"))Ix
'))C
e||
,'''
-(((
-((( m # # HX M22BI>>
>s A 8
AA A A c , t j | d S )zDefault read function.i )r read)r# s r _readr9 | s
72t c t j | rZt j | d t | || t j | d n# t j | d w xY wdS d}| t k }| t
k }d}d} g }g } |r-t
| |k r| t |r(t
| |k r| | |r-t
| dk r| t
t
| dk r| | t || g \ }} }
t
| v r8 t j t
| } || d }n# t $ r d}Y nw xY w| |v r( || } n# t $ r d} Y nw xY w| sdS || z
}| | v r t j | | } || d }|r#t |v r |t } | sd}n|| z
}) zParent copy loop.
Copies
pty master -> standard output (master_read)
standard input -> pty master (stdin_read)F) master_read
stdin_readTNi r: r r ) r get_blocking set_blocking_copyr2 r3 lenappendr writer )
r r< r= high_waterlevel stdin_avail stdout_availi_bufo_bufrfdswfds_xfdsndatas
r r@ r@ sx
y!!
5))) - ) L L L L
OIt , , , ,BOIt , , , ,O|+K
-L E E* &3u::77 KK % % % #CJJ 8 8 KK " " " 'CJJNN KK
& & & u::>> KK " " " "4r 2 2dE D
%H]E22 abb
%
%
% $
%
"{9--
TME E**A!""IE <4// :l++D
#
U* s/ A A* $F FF F' ' F65F6c d t | t d k r| f} t j d| t \ }}|t k rt j | d g| R t t }t t d}n# t j $ r d}Y nw xY w t ||| |r t t t j | n(# |r!t t t j | w w xY wt | t! |d d S )zCreate a spawned process. z pty.spawnr TFr )typesysauditr
r/ r execlpr r2 r ttyerrorr@ r TCSAFLUSHr r )argvr< r= r5 r moderestores r r r s2 DzzT"XX wIk4 VVNC
e||
$q'!D!!!! &&| 9 9
ij111 9 lCM4 8 8 8 9 lCM4 8 8 8 8 9
) 3??1 s .*B B-,B-1C% %%D
)__doc__r r rQ rT r r r r r __all__r2 r3 r4 r/ r r r r r
r9 r@ r r: r