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d d � Z d d � Z e e d d � Z e e d d � Z d S( u Pseudo terminal utilities.i ( u selectNu openptyu forku spawni i c C sN y t j � SWn t t f k
r( Yn Xt � \ } } t | � } | | f S( ud openpty() -> (master_fd, slave_fd)
Open a pty master/slave pair, using os.openpty() if possible.( u osu openptyu AttributeErroru OSErroru _open_terminalu
slave_open( u master_fdu
slave_nameu slave_fd( ( u( /opt/alt/python33/lib64/python3.3/pty.pyu openpty s c C s^ y t j � \ } } Wn t t f k
r0 Yn' Xt j | � } t j | � | | f St � S( u� 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.( u osu openptyu AttributeErroru OSErroru ttynameu closeu _open_terminal( u master_fdu slave_fdu
slave_name( ( u( /opt/alt/python33/lib64/python3.3/pty.pyu master_open! s
u master_openc # C s y d d l } Wn t k
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r} } z t j | � � WYd d } ~ Xn X| | f Sxp d D]h } x_ d D]W } d | | } y t j | t j � } Wn t j k
r� w� Yn X| d | | f SWq� Wt j d � � d S( ul Open pty master and return (master_fd, tty_name).
SGI and generic BSD version, for when openpty() fails.i Ni� u pqrstuvwxyzPQRSTu 0123456789abcdefu /dev/ptyu /dev/ttyu out of pty devices( u sgiu ImportErroru _getptyu osu O_RDWRu IOErroru erroru open( u sgiu tty_nameu master_fdu msgu xu yu pty_nameu fd( ( u( /opt/alt/python33/lib64/python3.3/pty.pyu _open_terminal1 s$
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u _open_terminalc C s� t j | t j � } y d d l m } m } Wn t k
rG | SYn Xy$ | | | d � | | | d � Wn t k
r� Yn X| S( u� slave_open(tty_name) -> slave_fd
Open the pty slave and acquire the controlling terminal, returning
opened filedescriptor.
Deprecated, use openpty() instead.i ( u ioctlu I_PUSHu ptemu ldterm( u osu openu O_RDWRu fcntlu ioctlu I_PUSHu ImportErroru IOError( u tty_nameu resultu ioctlu I_PUSH( ( u( /opt/alt/python33/lib64/python3.3/pty.pyu
slave_openH s
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slave_openc C s< y t j � \ } } Wn t t f k
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r_ Yqc Xn | | f St � \ } } t j � } | t k r%t j � t j | � t j | t
� t j | t � t j | t � | t k r� t j | � n t j
t j t � t j � } t j | � n
t j | � | | f S( ud fork() -> (pid, master_fd)
Fork and make the child a session leader with a controlling terminal.( u osu forkptyu AttributeErroru OSErroru CHILDu setsidu openptyu forku closeu dup2u STDIN_FILENOu
STDOUT_FILENOu
STDERR_FILENOu openu ttynameu O_RDWR( u pidu fdu master_fdu slave_fdu tmp_fd( ( u( /opt/alt/python33/lib64/python3.3/pty.pyu forkZ s0
c C s3 x, | r. t j | | � } | | d � } q Wd S( u# Write all the data to a descriptor.N( u osu write( u fdu datau n( ( u( /opt/alt/python33/lib64/python3.3/pty.pyu _writen� s u _writenc C s t j | d � S( u Default read function.i ( u osu read( u fd( ( u( /opt/alt/python33/lib64/python3.3/pty.pyu _read� s u _readc C s� | t g } x� t | g g � \ } } } | | k rk | | � } | sX | j | � qk t j t | � n t | k r | t � } | s� | j t � q� t | | � q q d S( u� Parent copy loop.
Copies
pty master -> standard output (master_read)
standard input -> pty master (stdin_read)N( u STDIN_FILENOu selectu removeu osu writeu
STDOUT_FILENOu _writen( u master_fdu master_readu
stdin_readu fdsu rfdsu wfdsu xfdsu data( ( u( /opt/alt/python33/lib64/python3.3/pty.pyu _copy� s u _copyc C s� t | � t d � k r$ | f } n t � \ } } | t k rV t j | d | � n y& t j t � } t j t � d } Wn t j k
r� d } Yn Xy t
| | | � Wn7 t t f k
r� | r� t j
t t j | � n Yn Xt j | � d S( u Create a spawned process.u i i N( u typeu forku CHILDu osu execlpu ttyu tcgetattru STDIN_FILENOu setrawu erroru _copyu IOErroru OSErroru tcsetattru TCSAFLUSHu close( u argvu master_readu
stdin_readu pidu master_fdu modeu restore( ( u( /opt/alt/python33/lib64/python3.3/pty.pyu spawn� s"
( u __doc__u selectu osu ttyu __all__u STDIN_FILENOu
STDOUT_FILENOu
STDERR_FILENOu CHILDu openptyu master_openu _open_terminalu
slave_openu forku _writenu _readu _copyu spawn( ( ( u( /opt/alt/python33/lib64/python3.3/pty.pyu <module> s" (