7U TddlmZddlZddlZddlZddlZddlZdZGddeZ y))absolute_importNc0tj|jsy tjdt j |tjd}|S# tjdtjdf}Y|S#YYyxYwxYw)z Return a tuple (rows,cols) representing the size of the TTY `fd`. The provided file descriptor should be the stdout stream of the TTY. If the TTY size cannot be determined, returns None. NhhhhhhLINESCOLUMNS) osisattyfilenostructunpackfcntlioctltermios TIOCGWINSZenviron)fddimss //usr/lib/python3/dist-packages/dockerpty/tty.pysizers 99RYY[ !}}T5;;r73E3Ev#NO K  JJw'I)>?D K s#9A!!B$&B  BBBc<eZdZdZd dZdZdZdZdZdZ dZ y ) Terminalz Terminal provides wrapper functionality to temporarily make the tty raw. This is useful when streaming data from a pseudo-terminal into the tty. Example: with Terminal(sys.stdin, raw=True): do_things_in_raw_mode() c.||_||_d|_y)a Initialize a terminal for the tty with stdin attached to `fd`. Initializing the Terminal has no immediate side effects. The `start()` method must be invoked, or `with raw_terminal:` used before the terminal is affected. N)rraworiginal_attributes)selfrrs r__init__zTerminal.__init__=s#' c&|j|S)z? Invoked when a `with` block is first entered. )startrs r __enter__zTerminal.__enter__Ks  rc$|jy)z: Invoked when a `with` block is finished. N)stop)r_s r__exit__zTerminal.__exit__Ts rc|jS)zE Returns True if the TTY should operate in raw mode. )rr!s risrawzTerminal.israw\s xxrctj|jjrU|j rDt j |j|_tj|jyyy)z} Saves the current terminal attributes and makes the tty raw. This method returns None immediately. N) r r rr r(r tcgetattrrttysetrawr!s rr zTerminal.startdsR 99TWW^^% &4::<'.'8'8'AD $ JJtww ,8 &rc|j:tj|jtj|jyy)z Restores the terminal attributes back to before setting raw mode. If the raw terminal was not started, does nothing. N)rr tcsetattrr TCSADRAINr!s rr$z Terminal.stopps<  # # /   !!((  0rcxdjt|j|j|jS)Nz{cls}({fd}, raw={raw}))clsrr)formattype__name__rrr!s r__repr__zTerminal.__repr__~s5'..T ##ww/ rN)T) r4 __module__ __qualname____doc__rr"r&r(r r$r5rrrr1s*  (   rr) __future__rr rr+rr robjectrr9rrr<s,"'  .QvQr