def _patch_iflag(cls, attrs):
return attrs & ~(
# Disable XON/XOFF flow control on output and input.
# (Don't capture Ctrl-S and Ctrl-Q.)
# Like executing: "stty -ixon."
termios.IXON | termios.IXOFF |
# Don't translate carriage return into newline on input.
termios.ICRNL | termios.INLCR | termios.IGNCR
)
python类IGNCR的实例源码
def _patch_iflag(cls, attrs):
return attrs & ~(
# Disable XON/XOFF flow control on output and input.
# (Don't capture Ctrl-S and Ctrl-Q.)
# Like executing: "stty -ixon."
termios.IXON | termios.IXOFF |
# Don't translate carriage return into newline on input.
termios.ICRNL | termios.INLCR | termios.IGNCR
)
def _patch_iflag(cls, attrs):
return attrs & ~(
# Disable XON/XOFF flow control on output and input.
# (Don't capture Ctrl-S and Ctrl-Q.)
# Like executing: "stty -ixon."
termios.IXON | termios.IXOFF |
# Don't translate carriage return into newline on input.
termios.ICRNL | termios.INLCR | termios.IGNCR
)
def _patch_iflag(cls, attrs):
return attrs & ~(
# Disable XON/XOFF flow control on output and input.
# (Don't capture Ctrl-S and Ctrl-Q.)
# Like executing: "stty -ixon."
termios.IXON | termios.IXOFF |
# Don't translate carriage return into newline on input.
termios.ICRNL | termios.INLCR | termios.IGNCR
)
def prepare_tty():
"set the terminal in char mode (return each keyboard press at once) and"\
" switch off echoing of this input; return the original settings"
stdin_fd = sys.stdin.fileno() # will most likely be 0 ;->
old_stdin_config = termios.tcgetattr(stdin_fd)
[ iflag, oflag, cflag, lflag, ispeed, ospeed, cc ] = \
termios.tcgetattr(stdin_fd)
cc[termios.VTIME] = 1
cc[termios.VMIN] = 1
iflag = iflag & ~(termios.IGNBRK |
termios.BRKINT |
termios.PARMRK |
termios.ISTRIP |
termios.INLCR |
termios.IGNCR |
#termios.ICRNL |
termios.IXON)
# oflag = oflag & ~termios.OPOST
cflag = cflag | termios.CS8
lflag = lflag & ~(termios.ECHO |
termios.ECHONL |
termios.ICANON |
# termios.ISIG |
termios.IEXTEN)
termios.tcsetattr(stdin_fd, termios.TCSANOW,
[ iflag, oflag, cflag, lflag, ispeed, ospeed, cc ])
return (stdin_fd, old_stdin_config)
def _fix_tty(self):
"""Set suitable tty options
"""
assert self.tcattr is not None
iflag, oflag, cflag, lflag, ispeed, ospeed, chars = self.tcattr # pylint:disable=unpacking-non-sequence
# equivalent to cfmakeraw
iflag &= ~(termios.IGNBRK | termios.BRKINT | termios.PARMRK | termios.ISTRIP | termios.INLCR |
termios.IGNCR | termios.ICRNL | termios.IXON)
oflag &= ~termios.OPOST
lflag &= ~(termios.ECHO | termios.ECHONL | termios.ICANON | termios.ISIG | termios.IEXTEN)
cflag &= ~(termios.CSIZE | termios.PARENB)
cflag |= termios.CS8
termios.tcsetattr(STDIN, termios.TCSANOW, [iflag, oflag, cflag, lflag, ispeed, ospeed, chars])
def _patch_iflag(self, attrs):
return attrs & ~(
# Disable XON/XOFF flow control on output and input.
# (Don't capture Ctrl-S and Ctrl-Q.)
# Like executing: "stty -ixon."
termios.IXON | termios.IXOFF |
# Don't translate carriage return into newline on input.
termios.ICRNL | termios.INLCR | termios.IGNCR
)
def _patch_iflag(cls, attrs):
return attrs & ~(
# Disable XON/XOFF flow control on output and input.
# (Don't capture Ctrl-S and Ctrl-Q.)
# Like executing: "stty -ixon."
termios.IXON | termios.IXOFF |
# Don't translate carriage return into newline on input.
termios.ICRNL | termios.INLCR | termios.IGNCR
)
def feed(self, data):
"""
Feed the input stream.
:param data: Input string (unicode).
"""
assert isinstance(data, six.text_type)
if _DEBUG_RENDERER_INPUT:
self.LOG.write(repr(data).encode('utf-8') + b'\n')
self.LOG.flush()
# Handle bracketed paste. (We bypass the parser that matches all other
# key presses and keep reading input until we see the end mark.)
# This is much faster then parsing character by character.
if self._in_bracketed_paste:
self._paste_buffer += data
end_mark = '\x1b[201~'
if end_mark in self._paste_buffer:
end_index = self._paste_buffer.index(end_mark)
# Feed content to key bindings.
paste_content = self._paste_buffer[:end_index]
self.feed_key_callback(KeyPress(Keys.BracketedPaste, paste_content))
# Quit bracketed paste mode and handle remaining input.
self._in_bracketed_paste = False
remaining = self._paste_buffer[end_index + len(end_mark):]
self._paste_buffer = ''
self.feed(remaining)
# Handle normal input character by character.
else:
for i, c in enumerate(data):
if self._in_bracketed_paste:
# Quit loop and process from this position when the parser
# entered bracketed paste.
self.feed(data[i:])
break
else:
# Replace \r by \n. (Some clients send \r instead of \n
# when enter is pressed. E.g. telnet and some other
# terminals.)
# XXX: We should remove this in a future version. It *is*
# now possible to recognise the difference.
# (We remove ICRNL/INLCR/IGNCR below.)
# However, this breaks IPython and maybe other applications,
# because they bind ControlJ (\n) for handling the Enter key.
# When this is removed, replace Enter=ControlJ by
# Enter=ControlM in keys.py.
if c == '\r':
c = '\n'
self._input_parser.send(c)
def feed(self, data):
"""
Feed the input stream.
:param data: Input string (unicode).
"""
assert isinstance(data, six.text_type)
if _DEBUG_RENDERER_INPUT:
self.LOG.write(repr(data).encode('utf-8') + b'\n')
self.LOG.flush()
# Handle bracketed paste. (We bypass the parser that matches all other
# key presses and keep reading input until we see the end mark.)
# This is much faster then parsing character by character.
if self._in_bracketed_paste:
self._paste_buffer += data
end_mark = '\x1b[201~'
if end_mark in self._paste_buffer:
end_index = self._paste_buffer.index(end_mark)
# Feed content to key bindings.
paste_content = self._paste_buffer[:end_index]
self.feed_key_callback(KeyPress(Keys.BracketedPaste, paste_content))
# Quit bracketed paste mode and handle remaining input.
self._in_bracketed_paste = False
remaining = self._paste_buffer[end_index + len(end_mark):]
self._paste_buffer = ''
self.feed(remaining)
# Handle normal input character by character.
else:
for i, c in enumerate(data):
if self._in_bracketed_paste:
# Quit loop and process from this position when the parser
# entered bracketed paste.
self.feed(data[i:])
break
else:
# Replace \r by \n. (Some clients send \r instead of \n
# when enter is pressed. E.g. telnet and some other
# terminals.)
# XXX: We should remove this in a future version. It *is*
# now possible to recognise the difference.
# (We remove ICRNL/INLCR/IGNCR below.)
# However, this breaks IPython and maybe other applications,
# because they bind ControlJ (\n) for handling the Enter key.
# When this is removed, replace Enter=ControlJ by
# Enter=ControlM in keys.py.
if c == '\r':
c = '\n'
self._input_parser.send(c)
def feed(self, data):
"""
Feed the input stream.
:param data: Input string (unicode).
"""
assert isinstance(data, six.text_type)
if _DEBUG_RENDERER_INPUT:
self.LOG.write(repr(data).encode('utf-8') + b'\n')
self.LOG.flush()
# Handle bracketed paste. (We bypass the parser that matches all other
# key presses and keep reading input until we see the end mark.)
# This is much faster then parsing character by character.
if self._in_bracketed_paste:
self._paste_buffer += data
end_mark = '\x1b[201~'
if end_mark in self._paste_buffer:
end_index = self._paste_buffer.index(end_mark)
# Feed content to key bindings.
paste_content = self._paste_buffer[:end_index]
self.feed_key_callback(KeyPress(Keys.BracketedPaste, paste_content))
# Quit bracketed paste mode and handle remaining input.
self._in_bracketed_paste = False
remaining = self._paste_buffer[end_index + len(end_mark):]
self._paste_buffer = ''
self.feed(remaining)
# Handle normal input character by character.
else:
for i, c in enumerate(data):
if self._in_bracketed_paste:
# Quit loop and process from this position when the parser
# entered bracketed paste.
self.feed(data[i:])
break
else:
# Replace \r by \n. (Some clients send \r instead of \n
# when enter is pressed. E.g. telnet and some other
# terminals.)
# XXX: We should remove this in a future version. It *is*
# now possible to recognise the difference.
# (We remove ICRNL/INLCR/IGNCR below.)
# However, this breaks IPython and maybe other applications,
# because they bind ControlJ (\n) for handling the Enter key.
# When this is removed, replace Enter=ControlJ by
# Enter=ControlM in keys.py.
if c == '\r':
c = '\n'
self._input_parser.send(c)
def feed(self, data):
"""
Feed the input stream.
:param data: Input string (unicode).
"""
assert isinstance(data, six.text_type)
if _DEBUG_RENDERER_INPUT:
self.LOG.write(repr(data).encode('utf-8') + b'\n')
self.LOG.flush()
# Handle bracketed paste. (We bypass the parser that matches all other
# key presses and keep reading input until we see the end mark.)
# This is much faster then parsing character by character.
if self._in_bracketed_paste:
self._paste_buffer += data
end_mark = '\x1b[201~'
if end_mark in self._paste_buffer:
end_index = self._paste_buffer.index(end_mark)
# Feed content to key bindings.
paste_content = self._paste_buffer[:end_index]
self.feed_key_callback(KeyPress(Keys.BracketedPaste, paste_content))
# Quit bracketed paste mode and handle remaining input.
self._in_bracketed_paste = False
remaining = self._paste_buffer[end_index + len(end_mark):]
self._paste_buffer = ''
self.feed(remaining)
# Handle normal input character by character.
else:
for i, c in enumerate(data):
if self._in_bracketed_paste:
# Quit loop and process from this position when the parser
# entered bracketed paste.
self.feed(data[i:])
break
else:
# Replace \r by \n. (Some clients send \r instead of \n
# when enter is pressed. E.g. telnet and some other
# terminals.)
# XXX: We should remove this in a future version. It *is*
# now possible to recognise the difference.
# (We remove ICRNL/INLCR/IGNCR below.)
# However, this breaks IPython and maybe other applications,
# because they bind ControlJ (\n) for handling the Enter key.
# When this is removed, replace Enter=ControlJ by
# Enter=ControlM in keys.py.
if c == '\r':
c = '\n'
self._input_parser.send(c)
def feed(self, data):
"""
Feed the input stream.
:param data: Input string (unicode).
"""
assert isinstance(data, six.text_type)
if _DEBUG_RENDERER_INPUT:
self.LOG.write(repr(data).encode('utf-8') + b'\n')
self.LOG.flush()
# Handle bracketed paste. (We bypass the parser that matches all other
# key presses and keep reading input until we see the end mark.)
# This is much faster then parsing character by character.
if self._in_bracketed_paste:
self._paste_buffer += data
end_mark = '\x1b[201~'
if end_mark in self._paste_buffer:
end_index = self._paste_buffer.index(end_mark)
# Feed content to key bindings.
paste_content = self._paste_buffer[:end_index]
self.feed_key_callback(KeyPress(Keys.BracketedPaste, paste_content))
# Quit bracketed paste mode and handle remaining input.
self._in_bracketed_paste = False
remaining = self._paste_buffer[end_index + len(end_mark):]
self._paste_buffer = ''
self.feed(remaining)
# Handle normal input character by character.
else:
for i, c in enumerate(data):
if self._in_bracketed_paste:
# Quit loop and process from this position when the parser
# entered bracketed paste.
self.feed(data[i:])
break
else:
# Replace \r by \n. (Some clients send \r instead of \n
# when enter is pressed. E.g. telnet and some other
# terminals.)
# XXX: We should remove this in a future version. It *is*
# now possible to recognise the difference.
# (We remove ICRNL/INLCR/IGNCR below.)
# However, this breaks IPython and maybe other applications,
# because they bind ControlJ (\n) for handling the Enter key.
# When this is removed, replace Enter=ControlJ by
# Enter=ControlM in keys.py.
if c == '\r':
c = '\n'
self._input_parser.send(c)
