我们从Python开源项目中，提取了以下8个代码示例，用于说明如何使用tty.ICANON。
def _enterRawMode(): global _inRawMode, _savedMode if _inRawMode: return fd = sys.stdin.fileno() try: old = tty.tcgetattr(fd) new = old[:] except: log.msg('not a typewriter!') else: # iflage new[0] = new[0] | tty.IGNPAR new[0] = new[0] & ~(tty.ISTRIP | tty.INLCR | tty.IGNCR | tty.ICRNL | tty.IXON | tty.IXANY | tty.IXOFF) if hasattr(tty, 'IUCLC'): new[0] = new[0] & ~tty.IUCLC # lflag new[3] = new[3] & ~(tty.ISIG | tty.ICANON | tty.ECHO | tty.ECHO | tty.ECHOE | tty.ECHOK | tty.ECHONL) if hasattr(tty, 'IEXTEN'): new[3] = new[3] & ~tty.IEXTEN #oflag new[1] = new[1] & ~tty.OPOST new[6][tty.VMIN] = 1 new[6][tty.VTIME] = 0 _savedMode = old tty.tcsetattr(fd, tty.TCSANOW, new) #tty.setraw(fd) _inRawMode = 1
def _writeHack(self, data): """ Hack to send ignore messages when we aren't echoing. """ if self.pty is not None: attr = tty.tcgetattr(self.pty.fileno())[3] if not attr & tty.ECHO and attr & tty.ICANON: # no echo self.avatar.conn.transport.sendIgnore('\x00'*(8+len(data))) self.oldWrite(data)
def __init__(self, infile): if not infile.isatty(): raise NotTTYException() self.file = infile # prepare for getch self.save_attr = tty.tcgetattr(self.file) newattr = self.save_attr[:] newattr[3] &= ~tty.ECHO & ~tty.ICANON tty.tcsetattr(self.file, tty.TCSANOW, newattr)
def _enterRawMode(): global _inRawMode, _savedRawMode if _inRawMode: return fd = sys.stdin.fileno() try: old = tty.tcgetattr(fd) new = old[:] except: log.msg('not a typewriter!') else: # iflage new[0] = new[0] | tty.IGNPAR new[0] = new[0] & ~(tty.ISTRIP | tty.INLCR | tty.IGNCR | tty.ICRNL | tty.IXON | tty.IXANY | tty.IXOFF) if hasattr(tty, 'IUCLC'): new[0] = new[0] & ~tty.IUCLC # lflag new[3] = new[3] & ~(tty.ISIG | tty.ICANON | tty.ECHO | tty.ECHO | tty.ECHOE | tty.ECHOK | tty.ECHONL) if hasattr(tty, 'IEXTEN'): new[3] = new[3] & ~tty.IEXTEN #oflag new[1] = new[1] & ~tty.OPOST new[6][tty.VMIN] = 1 new[6][tty.VTIME] = 0 _savedRawMode = old tty.tcsetattr(fd, tty.TCSANOW, new) #tty.setraw(fd) _inRawMode = 1
def _writeHack(self, data): """ Hack to send ignore messages when we aren't echoing. """ if self.pty is not None: attr = tty.tcgetattr(self.pty.fileno())[3] if not attr & tty.ECHO and attr & tty.ICANON: # No echo. self.avatar.conn.transport.sendIgnore('\x00'*(8+len(data))) self.oldWrite(data)
def open(self, command, env={}): """ Create subprocess using forkpty() """ # parse command command_arr = shlex.split(command) executable = command_arr[0] args = command_arr # try to fork a new pty try: self.pid, self.fd = pty.fork() except: return False # child proc, replace with command after altering terminal attributes if self.pid == 0: # set requested environment variables for k in env.keys(): os.environ[k] = env[k] # set tty attributes try: attrs = tty.tcgetattr(1) attrs[0] = attrs[0] ^ tty.IGNBRK attrs[0] = attrs[0] | tty.BRKINT | tty.IXANY | tty.IMAXBEL attrs[2] = attrs[2] | tty.HUPCL attrs[3] = attrs[3] | tty.ICANON | tty.ECHO | tty.ISIG | tty.ECHOKE attrs[6][tty.VMIN] = 1 attrs[6][tty.VTIME] = 0 tty.tcsetattr(1, tty.TCSANOW, attrs) except: pass # replace this process with the subprocess os.execvp(executable, args) # else master, do nothing else: pass
