Python termios.VINTR Examples
The following are 9
code examples of termios.VINTR().
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Example #1
Source File: _pexpect.py From Computable with MIT License | 5 votes |
def sendintr(self): """This sends a SIGINT to the child. It does not require the SIGINT to be the first character on a line. """ if hasattr(termios, 'VINTR'): char = termios.tcgetattr(self.child_fd)[6][termios.VINTR] else: # platform does not define VINTR so assume CTRL-C char = chr(3) self.send (char)
Example #2
Source File: pexpect.py From smod-1 with GNU General Public License v2.0 | 5 votes |
def sendintr(self): """This sends a SIGINT to the child. It does not require the SIGINT to be the first character on a line. """ if hasattr(termios, 'VINTR'): char = termios.tcgetattr(self.child_fd)[6][termios.VINTR] else: # platform does not define VINTR so assume CTRL-C char = chr(3) self.send (char)
Example #3
Source File: ptyprocess.py From sublime_debugger with MIT License | 5 votes |
def _make_eof_intr(): """Set constants _EOF and _INTR. This avoids doing potentially costly operations on module load. """ global _EOF, _INTR if (_EOF is not None) and (_INTR is not None): return # inherit EOF and INTR definitions from controlling process. try: from termios import VEOF, VINTR try: fd = sys.__stdin__.fileno() except ValueError: # ValueError: I/O operation on closed file fd = sys.__stdout__.fileno() intr = ord(termios.tcgetattr(fd)[6][VINTR]) eof = ord(termios.tcgetattr(fd)[6][VEOF]) except (ImportError, OSError, IOError, ValueError, termios.error): # unless the controlling process is also not a terminal, # such as cron(1), or when stdin and stdout are both closed. # Fall-back to using CEOF and CINTR. There try: from termios import CEOF, CINTR (intr, eof) = (CINTR, CEOF) except ImportError: # ^C, ^D (intr, eof) = (3, 4) _INTR = _byte(intr) _EOF = _byte(eof)
Example #4
Source File: ptyprocess.py From pipenv-sublime with MIT License | 5 votes |
def _make_eof_intr(): """Set constants _EOF and _INTR. This avoids doing potentially costly operations on module load. """ global _EOF, _INTR if (_EOF is not None) and (_INTR is not None): return # inherit EOF and INTR definitions from controlling process. try: from termios import VEOF, VINTR try: fd = sys.__stdin__.fileno() except ValueError: # ValueError: I/O operation on closed file fd = sys.__stdout__.fileno() intr = ord(termios.tcgetattr(fd)[6][VINTR]) eof = ord(termios.tcgetattr(fd)[6][VEOF]) except (ImportError, OSError, IOError, ValueError, termios.error): # unless the controlling process is also not a terminal, # such as cron(1), or when stdin and stdout are both closed. # Fall-back to using CEOF and CINTR. There try: from termios import CEOF, CINTR (intr, eof) = (CINTR, CEOF) except ImportError: # ^C, ^D (intr, eof) = (3, 4) _INTR = _byte(intr) _EOF = _byte(eof)
Example #5
Source File: ptyprocess.py From jarvis with GNU General Public License v2.0 | 5 votes |
def _make_eof_intr(): """Set constants _EOF and _INTR. This avoids doing potentially costly operations on module load. """ global _EOF, _INTR if (_EOF is not None) and (_INTR is not None): return # inherit EOF and INTR definitions from controlling process. try: from termios import VEOF, VINTR try: fd = sys.__stdin__.fileno() except ValueError: # ValueError: I/O operation on closed file fd = sys.__stdout__.fileno() intr = ord(termios.tcgetattr(fd)[6][VINTR]) eof = ord(termios.tcgetattr(fd)[6][VEOF]) except (ImportError, OSError, IOError, ValueError, termios.error): # unless the controlling process is also not a terminal, # such as cron(1), or when stdin and stdout are both closed. # Fall-back to using CEOF and CINTR. There try: from termios import CEOF, CINTR (intr, eof) = (CINTR, CEOF) except ImportError: # ^C, ^D (intr, eof) = (3, 4) _INTR = _byte(intr) _EOF = _byte(eof)
Example #6
Source File: handlers.py From ShellPop with MIT License | 5 votes |
def __init__(self, slave=0, pid=os.getpid()): # apparently python GC's modules before class instances so, here # we have some hax to ensure we can restore the terminal state. self.termios, self.fcntl = termios, fcntl # open our controlling PTY self.pty = open(os.readlink("/proc/%d/fd/%d" % (pid, slave)), "rb+") # store our old termios settings so we can restore after # we are finished self.oldtermios = termios.tcgetattr(self.pty) # get the current settings se we can modify them newattr = termios.tcgetattr(self.pty) # set the terminal to uncanonical mode and turn off # input echo. newattr[3] &= ~termios.ICANON & ~termios.ECHO # don't handle ^C / ^Z / ^\ newattr[6][termios.VINTR] = '\x00' newattr[6][termios.VQUIT] = '\x00' newattr[6][termios.VSUSP] = '\x00' # set our new attributes termios.tcsetattr(self.pty, termios.TCSADRAIN, newattr) # store the old fcntl flags self.oldflags = fcntl.fcntl(self.pty, fcntl.F_GETFL) # fcntl.fcntl(self.pty, fcntl.F_SETFD, fcntl.FD_CLOEXEC) # make the PTY non-blocking fcntl.fcntl(self.pty, fcntl.F_SETFL, self.oldflags | os.O_NONBLOCK)
Example #7
Source File: pexpect.py From lpts with GNU General Public License v2.0 | 5 votes |
def sendintr(self): """This sends a SIGINT to the child. It does not require the SIGINT to be the first character on a line. """ if hasattr(termios, 'VINTR'): char = termios.tcgetattr(self.child_fd)[6][termios.VINTR] else: # platform does not define VINTR so assume CTRL-C char = chr(3) self.send (char)
Example #8
Source File: ptyprocess.py From pipenv with MIT License | 4 votes |
def _make_eof_intr(): """Set constants _EOF and _INTR. This avoids doing potentially costly operations on module load. """ global _EOF, _INTR if (_EOF is not None) and (_INTR is not None): return # inherit EOF and INTR definitions from controlling process. try: from termios import VEOF, VINTR fd = None for name in 'stdin', 'stdout': stream = getattr(sys, '__%s__' % name, None) if stream is None or not hasattr(stream, 'fileno'): continue try: fd = stream.fileno() except ValueError: continue if fd is None: # no fd, raise ValueError to fallback on CEOF, CINTR raise ValueError("No stream has a fileno") intr = ord(termios.tcgetattr(fd)[6][VINTR]) eof = ord(termios.tcgetattr(fd)[6][VEOF]) except (ImportError, OSError, IOError, ValueError, termios.error): # unless the controlling process is also not a terminal, # such as cron(1), or when stdin and stdout are both closed. # Fall-back to using CEOF and CINTR. There try: from termios import CEOF, CINTR (intr, eof) = (CINTR, CEOF) except ImportError: # ^C, ^D (intr, eof) = (3, 4) _INTR = _byte(intr) _EOF = _byte(eof) # setecho and setwinsize are pulled out here because on some platforms, we need # to do this from the child before we exec()
Example #9
Source File: display_common.py From anyMesh-Python with MIT License | 4 votes |
def tty_signal_keys(self, intr=None, quit=None, start=None, stop=None, susp=None, fileno=None): """ Read and/or set the tty's signal character settings. This function returns the current settings as a tuple. Use the string 'undefined' to unmap keys from their signals. The value None is used when no change is being made. Setting signal keys is done using the integer ascii code for the key, eg. 3 for CTRL+C. If this function is called after start() has been called then the original settings will be restored when stop() is called. """ if fileno is None: fileno = sys.stdin.fileno() if not os.isatty(fileno): return tattr = termios.tcgetattr(fileno) sattr = tattr[6] skeys = (sattr[termios.VINTR], sattr[termios.VQUIT], sattr[termios.VSTART], sattr[termios.VSTOP], sattr[termios.VSUSP]) if intr == 'undefined': intr = 0 if quit == 'undefined': quit = 0 if start == 'undefined': start = 0 if stop == 'undefined': stop = 0 if susp == 'undefined': susp = 0 if intr is not None: tattr[6][termios.VINTR] = intr if quit is not None: tattr[6][termios.VQUIT] = quit if start is not None: tattr[6][termios.VSTART] = start if stop is not None: tattr[6][termios.VSTOP] = stop if susp is not None: tattr[6][termios.VSUSP] = susp if intr is not None or quit is not None or \ start is not None or stop is not None or \ susp is not None: termios.tcsetattr(fileno, termios.TCSADRAIN, tattr) self._signal_keys_set = True return skeys