def __init__(self, stdin, stdout, term_type):
# A patch until https://github.com/ipython/ipython/issues/11745 is solved
TerminalInteractiveShell.simple_prompt = False
term_input = Vt100Input(stdin)
term_output = Vt100_Output.from_pty(stdout, term_type)
super().__init__(pt_session_options=dict(input=term_input,
output=term_output),
stdin=stdin,
stdout=stdout)
self.use_rawinput = True
def attach(self, detach_other_clients=False, color_depth=ColorDepth.DEPTH_8_BIT):
"""
Attach client user interface.
"""
assert isinstance(detach_other_clients, bool)
self._send_size()
self._send_packet({
'cmd': 'start-gui',
'detach-others': detach_other_clients,
'color-depth': color_depth,
'term': os.environ.get('TERM', ''),
'data': ''
})
with raw_mode(sys.stdin.fileno()):
data_buffer = b''
stdin_fd = sys.stdin.fileno()
socket_fd = self.socket.fileno()
current_timeout = INPUT_TIMEOUT # Timeout, used to flush escape sequences.
try:
def winch_handler(signum, frame):
self._send_size()
signal.signal(signal.SIGWINCH, winch_handler)
while True:
r = select_fds([stdin_fd, socket_fd], current_timeout)
if socket_fd in r:
# Received packet from server.
data = self.socket.recv(1024)
if data == b'':
# End of file. Connection closed.
# Reset terminal
o = Vt100_Output.from_pty(sys.stdout)
o.quit_alternate_screen()
o.disable_mouse_support()
o.disable_bracketed_paste()
o.reset_attributes()
o.flush()
return
else:
data_buffer += data
while b'\0' in data_buffer:
pos = data_buffer.index(b'\0')
self._process(data_buffer[:pos])
data_buffer = data_buffer[pos + 1:]
elif stdin_fd in r:
# Got user input.
self._process_stdin()
current_timeout = INPUT_TIMEOUT
else:
# Timeout. (Tell the server to flush the vt100 Escape.)
self._send_packet({'cmd': 'flush-input'})
current_timeout = None
finally:
signal.signal(signal.SIGWINCH, signal.SIG_IGN)
def attach(self,
detach_other_clients=False,
color_depth=ColorDepth.DEPTH_8_BIT):
"""
Attach client user interface.
"""
assert isinstance(detach_other_clients, bool)
self._send_size()
self._send_packet({
'cmd': 'start-gui',
'detach-others': detach_other_clients,
'color-depth': color_depth,
'term': os.environ.get('TERM', ''),
'data': ''
})
with raw_mode(sys.stdin.fileno()):
data_buffer = b''
stdin_fd = sys.stdin.fileno()
socket_fd = self.socket.fileno()
current_timeout = INPUT_TIMEOUT # Timeout, used to flush escape sequences.
try:
def winch_handler(signum, frame):
self._send_size()
signal.signal(signal.SIGWINCH, winch_handler)
while True:
r = select_fds([stdin_fd, socket_fd], current_timeout)
if socket_fd in r:
# Received packet from server.
data = self.socket.recv(1024)
if data == b'':
# End of file. Connection closed.
# Reset terminal
o = Vt100_Output.from_pty(sys.stdout)
o.quit_alternate_screen()
o.disable_mouse_support()
o.disable_bracketed_paste()
o.reset_attributes()
o.flush()
return
else:
data_buffer += data
while b'\0' in data_buffer:
pos = data_buffer.index(b'\0')
self._process(data_buffer[:pos])
data_buffer = data_buffer[pos + 1:]
elif stdin_fd in r:
# Got user input.
self._process_stdin()
current_timeout = INPUT_TIMEOUT
else:
# Timeout. (Tell the server to flush the vt100 Escape.)
self._send_packet({'cmd': 'flush-input'})
current_timeout = None
finally:
signal.signal(signal.SIGWINCH, signal.SIG_IGN)