def do_makefile(*args):
if ch.channel_file is None:
ch.channel_file = Channel.makefile(ch, *args)
_override_file_close(ch.channel_file)
return ch.channel_file
else:
raise FileExistsError('We allow only one file per channel')
def shell(channel: paramiko.Channel):
stdin: paramiko.ChannelFile = channel.makefile_stdin("wb")
stdout: paramiko.ChannelFile = channel.makefile("r")
stderr: paramiko.ChannelFile = channel.makefile_stderr("r")
print("Tip: F12 + I to show connection info, F12+C to close connection")
stdoutReader = Thread(target=__buffered_reader, name="stdoutReader", args=(stdout, sys.stdout))
stderrReader = Thread(target=__buffered_reader, name="stderrReader", args=(stderr, sys.stderr))
stdinWriter = Thread(target=__input_handler, name="stdinWriter", args=(sys.stdin, stdin, channel))
sizeHandler = Thread(target=__window_size_change_handler, name="TerminalSizeWatchdog", args=(channel,))
sizeHandler.setDaemon(True)
stdoutReader.setDaemon(True)
stderrReader.setDaemon(True)
stdinWriter.setDaemon(True)
orig_sigint = signal.getsignal(signal.SIGINT)
try:
signal.signal(signal.SIGINT, _sigint)
sizeHandler.start()
stderrReader.start()
stdoutReader.start()
stdinWriter.start()
stdoutReader.join()
finally:
print("Closing ssh session...")
try:
channel.close()
except:
pass
signal.signal(signal.SIGINT, orig_sigint)
def _override_makefile(ch: Channel):
# makefile for channels should work the same way as for sockets, but that's
# not the case. In particular, if you close the channel the file remains
# unusable, which is bad.
# When doing makefile on a channel, we store a pointer to the file, so that
# when trying to close the channel we can check if the file is still open
# and leave the closure pending. We override the close method in the file
# as to execute the pending closure if needed.
ch.channel_file = None
def do_makefile(*args):
if ch.channel_file is None:
ch.channel_file = Channel.makefile(ch, *args)
_override_file_close(ch.channel_file)
return ch.channel_file
else:
raise FileExistsError('We allow only one file per channel')
ch.makefile = do_makefile
def __init__(self, chan: Channel):
self.chan = chan
# need that U. no universal new line = pressing enter might not stop sending data..
self.chanfile = chan.makefile('rU')