Python tty.LFLAG Examples

The following are 5 code examples of tty.LFLAG(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module tty , or try the search function .
Example #1
Source File: vt100.py    From python-prompt-toolkit with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def __enter__(self) -> None:
        # NOTE: On os X systems, using pty.setraw() fails. Therefor we are using this:
        try:
            newattr = termios.tcgetattr(self.fileno)
        except termios.error:
            pass
        else:
            newattr[tty.LFLAG] = self._patch_lflag(newattr[tty.LFLAG])
            newattr[tty.IFLAG] = self._patch_iflag(newattr[tty.IFLAG])

            # VMIN defines the number of characters read at a time in
            # non-canonical mode. It seems to default to 1 on Linux, but on
            # Solaris and derived operating systems it defaults to 4. (This is
            # because the VMIN slot is the same as the VEOF slot, which
            # defaults to ASCII EOT = Ctrl-D = 4.)
            newattr[tty.CC][termios.VMIN] = 1  # type: ignore

            termios.tcsetattr(self.fileno, termios.TCSANOW, newattr)

            # Put the terminal in cursor mode. (Instead of application mode.)
            os.write(self.fileno, b"\x1b[?1l")
Example #2
Source File: vt100_input.py    From android_universal with MIT License 6 votes vote down vote up 
def __enter__(self):
        # NOTE: On os X systems, using pty.setraw() fails. Therefor we are using this:
        try:
            newattr = termios.tcgetattr(self.fileno)
        except termios.error:
            pass
        else:
            newattr[tty.LFLAG] = self._patch_lflag(newattr[tty.LFLAG])
            newattr[tty.IFLAG] = self._patch_iflag(newattr[tty.IFLAG])

            # VMIN defines the number of characters read at a time in
            # non-canonical mode. It seems to default to 1 on Linux, but on
            # Solaris and derived operating systems it defaults to 4. (This is
            # because the VMIN slot is the same as the VEOF slot, which
            # defaults to ASCII EOT = Ctrl-D = 4.)
            newattr[tty.CC][termios.VMIN] = 1

            termios.tcsetattr(self.fileno, termios.TCSANOW, newattr)

            # Put the terminal in cursor mode. (Instead of application mode.)
            os.write(self.fileno, b'\x1b[?1l')
Example #3
Source File: keyboard.py    From Jandroid with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def main(raw_args):
  parser = argparse.ArgumentParser(
      description="Use your keyboard as your phone's keyboard.")
  logging_common.AddLoggingArguments(parser)
  script_common.AddDeviceArguments(parser)
  args = parser.parse_args(raw_args)

  logging_common.InitializeLogging(args)

  devices = script_common.GetDevices(args.devices, None)
  if len(devices) > 1:
    raise MultipleDevicesError(devices)

  def next_char():
    while True:
      yield sys.stdin.read(1)

  try:
    fd = sys.stdin.fileno()

    # See man 3 termios for more info on what this is doing.
    old_attrs = termios.tcgetattr(fd)
    new_attrs = copy.deepcopy(old_attrs)
    new_attrs[tty.LFLAG] = new_attrs[tty.LFLAG] & ~(termios.ICANON)
    new_attrs[tty.CC][tty.VMIN] = 1
    new_attrs[tty.CC][tty.VTIME] = 0
    termios.tcsetattr(fd, termios.TCSAFLUSH, new_attrs)

    Keyboard(devices[0], next_char())
  finally:
    termios.tcsetattr(fd, termios.TCSAFLUSH, old_attrs)
  return 0
Example #4
Source File: keyboard.py    From Jandroid with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def main(raw_args):
  parser = argparse.ArgumentParser(
      description="Use your keyboard as your phone's keyboard.")
  logging_common.AddLoggingArguments(parser)
  script_common.AddDeviceArguments(parser)
  args = parser.parse_args(raw_args)

  logging_common.InitializeLogging(args)

  devices = script_common.GetDevices(args.devices, None)
  if len(devices) > 1:
    raise MultipleDevicesError(devices)

  def next_char():
    while True:
      yield sys.stdin.read(1)

  try:
    fd = sys.stdin.fileno()

    # See man 3 termios for more info on what this is doing.
    old_attrs = termios.tcgetattr(fd)
    new_attrs = copy.deepcopy(old_attrs)
    new_attrs[tty.LFLAG] = new_attrs[tty.LFLAG] & ~(termios.ICANON)
    new_attrs[tty.CC][tty.VMIN] = 1
    new_attrs[tty.CC][tty.VTIME] = 0
    termios.tcsetattr(fd, termios.TCSAFLUSH, new_attrs)

    Keyboard(devices[0], next_char())
  finally:
    termios.tcsetattr(fd, termios.TCSAFLUSH, old_attrs)
  return 0
Example #5
Source File: keyboard.py    From Jandroid with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def main(raw_args):
  parser = argparse.ArgumentParser(
      description="Use your keyboard as your phone's keyboard.")
  logging_common.AddLoggingArguments(parser)
  script_common.AddDeviceArguments(parser)
  args = parser.parse_args(raw_args)

  logging_common.InitializeLogging(args)

  devices = script_common.GetDevices(args.devices, None)
  if len(devices) > 1:
    raise MultipleDevicesError(devices)

  def next_char():
    while True:
      yield sys.stdin.read(1)

  try:
    fd = sys.stdin.fileno()

    # See man 3 termios for more info on what this is doing.
    old_attrs = termios.tcgetattr(fd)
    new_attrs = copy.deepcopy(old_attrs)
    new_attrs[tty.LFLAG] = new_attrs[tty.LFLAG] & ~(termios.ICANON)
    new_attrs[tty.CC][tty.VMIN] = 1
    new_attrs[tty.CC][tty.VTIME] = 0
    termios.tcsetattr(fd, termios.TCSAFLUSH, new_attrs)

    Keyboard(devices[0], next_char())
  finally:
    termios.tcsetattr(fd, termios.TCSAFLUSH, old_attrs)
  return 0