Python tty.TIOCGWINSZ Examples

The following are 15 code examples of tty.TIOCGWINSZ(). 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: test_cftp.py    From Safejumper-for-Desktop with GNU General Public License v2.0 6 votes vote down vote up 
def setKnownConsoleSize(self, width, height):
        """
        For the duration of this test, patch C{cftp}'s C{fcntl} module to return
        a fixed width and height.

        @param width: the width in characters
        @type width: L{int}
        @param height: the height in characters
        @type height: L{int}
        """
        # Local import to avoid win32 issues.
        import tty
        class FakeFcntl(object):
            def ioctl(self, fd, opt, mutate):
                if opt != tty.TIOCGWINSZ:
                    self.fail("Only window-size queries supported.")
                return struct.pack("4H", height, width, 0, 0)
        self.patch(cftp, "fcntl", FakeFcntl())
Example #2
Source File: test_cftp.py    From learn_python3_spider with MIT License 6 votes vote down vote up 
def setKnownConsoleSize(self, width, height):
        """
        For the duration of this test, patch C{cftp}'s C{fcntl} module to return
        a fixed width and height.

        @param width: the width in characters
        @type width: L{int}
        @param height: the height in characters
        @type height: L{int}
        """
        # Local import to avoid win32 issues.
        import tty
        class FakeFcntl(object):
            def ioctl(self, fd, opt, mutate):
                if opt != tty.TIOCGWINSZ:
                    self.fail("Only window-size queries supported.")
                return struct.pack("4H", height, width, 0, 0)
        self.patch(cftp, "fcntl", FakeFcntl())
Example #3
Source File: cftp.py    From BitTorrent with GNU General Public License v3.0 6 votes vote down vote up 
def _printProgessBar(self, f, startTime):
        diff = time.time() - startTime
        total = f.total
        try:
            winSize = struct.unpack('4H', 
                fcntl.ioctl(0, tty.TIOCGWINSZ, '12345679'))
        except IOError:
            winSize = [None, 80]
        speed = total/diff
        if speed:
            timeLeft = (f.size - total) / speed
        else:
            timeLeft = 0
        front = f.name
        back = '%3i%% %s %sps %s ' % ((total/f.size)*100, self._abbrevSize(total),
                self._abbrevSize(total/diff), self._abbrevTime(timeLeft))
        spaces = (winSize[1] - (len(front) + len(back) + 1)) * ' '
        self.transport.write('\r%s%s%s' % (front, spaces, back))
Example #4
Source File: cftp.py    From Safejumper-for-Desktop with GNU General Public License v2.0 5 votes vote down vote up 
def _printProgressBar(self, f, startTime):
        """
        Update a console progress bar on this L{StdioClient}'s transport, based
        on the difference between the start time of the operation and the
        current time according to the reactor, and appropriate to the size of
        the console window.

        @param f: a wrapper around the file which is being written or read
        @type f: L{FileWrapper}

        @param startTime: The time at which the operation being tracked began.
        @type startTime: L{float}
        """
        diff = self.reactor.seconds() - startTime
        total = f.total
        try:
            winSize = struct.unpack('4H',
                fcntl.ioctl(0, tty.TIOCGWINSZ, '12345679'))
        except IOError:
            winSize = [None, 80]
        if diff == 0.0:
            speed = 0.0
        else:
            speed = total / diff
        if speed:
            timeLeft = (f.size - total) / speed
        else:
            timeLeft = 0
        front = f.name
        if f.size:
            percentage = (total / f.size) * 100
        else:
            percentage = 100
        back = '%3i%% %s %sps %s ' % (percentage,
                                      self._abbrevSize(total),
                                      self._abbrevSize(speed),
                                      self._abbrevTime(timeLeft))
        spaces = (winSize[1] - (len(front) + len(back) + 1)) * ' '
        command = '\r%s%s%s' % (front, spaces, back)
        self._writeToTransport(command)
Example #5
Source File: conch.py    From Safejumper-for-Desktop with GNU General Public License v2.0 5 votes vote down vote up 
def channelOpen(self, foo):
        log.msg('session %s open' % self.id)
        if options['agent']:
            d = self.conn.sendRequest(self, b'auth-agent-req@openssh.com', b'', wantReply=1)
            d.addBoth(lambda x:log.msg(x))
        if options['noshell']: return
        if (options['command'] and options['tty']) or not options['notty']:
            _enterRawMode()
        c = session.SSHSessionClient()
        if options['escape'] and not options['notty']:
            self.escapeMode = 1
            c.dataReceived = self.handleInput
        else:
            c.dataReceived = self.write
        c.connectionLost = lambda x=None,s=self:s.sendEOF()
        self.stdio = stdio.StandardIO(c)
        fd = 0
        if options['subsystem']:
            self.conn.sendRequest(self, b'subsystem', \
                common.NS(options['command']))
        elif options['command']:
            if options['tty']:
                term = os.environ['TERM']
                winsz = fcntl.ioctl(fd, tty.TIOCGWINSZ, '12345678')
                winSize = struct.unpack('4H', winsz)
                ptyReqData = session.packRequest_pty_req(term, winSize, '')
                self.conn.sendRequest(self, b'pty-req', ptyReqData)
                signal.signal(signal.SIGWINCH, self._windowResized)
            self.conn.sendRequest(self, b'exec', \
                common.NS(options['command']))
        else:
            if not options['notty']:
                term = os.environ['TERM']
                winsz = fcntl.ioctl(fd, tty.TIOCGWINSZ, '12345678')
                winSize = struct.unpack('4H', winsz)
                ptyReqData = session.packRequest_pty_req(term, winSize, '')
                self.conn.sendRequest(self, b'pty-req', ptyReqData)
                signal.signal(signal.SIGWINCH, self._windowResized)
            self.conn.sendRequest(self, b'shell', b'')
            #if hasattr(conn.transport, 'transport'):
            #    conn.transport.transport.setTcpNoDelay(1)
Example #6
Source File: conch.py    From Safejumper-for-Desktop with GNU General Public License v2.0 5 votes vote down vote up 
def _windowResized(self, *args):
        winsz = fcntl.ioctl(0, tty.TIOCGWINSZ, '12345678')
        winSize = struct.unpack('4H', winsz)
        newSize = winSize[1], winSize[0], winSize[2], winSize[3]
        self.conn.sendRequest(self, b'window-change', struct.pack('!4L', *newSize))
Example #7
Source File: cftp.py    From learn_python3_spider with MIT License 5 votes vote down vote up 
def _printProgressBar(self, f, startTime):
        """
        Update a console progress bar on this L{StdioClient}'s transport, based
        on the difference between the start time of the operation and the
        current time according to the reactor, and appropriate to the size of
        the console window.

        @param f: a wrapper around the file which is being written or read
        @type f: L{FileWrapper}

        @param startTime: The time at which the operation being tracked began.
        @type startTime: L{float}
        """
        diff = self.reactor.seconds() - startTime
        total = f.total
        try:
            winSize = struct.unpack('4H',
                fcntl.ioctl(0, tty.TIOCGWINSZ, '12345679'))
        except IOError:
            winSize = [None, 80]
        if diff == 0.0:
            speed = 0.0
        else:
            speed = total / diff
        if speed:
            timeLeft = (f.size - total) / speed
        else:
            timeLeft = 0
        front = f.name
        if f.size:
            percentage = (total / f.size) * 100
        else:
            percentage = 100
        back = '%3i%% %s %sps %s ' % (percentage,
                                      self._abbrevSize(total),
                                      self._abbrevSize(speed),
                                      self._abbrevTime(timeLeft))
        spaces = (winSize[1] - (len(front) + len(back) + 1)) * ' '
        command = '\r%s%s%s' % (front, spaces, back)
        self._writeToTransport(command)
Example #8
Source File: conch.py    From learn_python3_spider with MIT License 5 votes vote down vote up 
def _windowResized(self, *args):
        winsz = fcntl.ioctl(0, tty.TIOCGWINSZ, '12345678')
        winSize = struct.unpack('4H', winsz)
        newSize = winSize[1], winSize[0], winSize[2], winSize[3]
        self.conn.sendRequest(self, b'window-change', struct.pack('!4L', *newSize))
Example #9
Source File: cftp.py    From python-for-android with Apache License 2.0 5 votes vote down vote up 
def _printProgressBar(self, f, startTime):
        """
        Update a console progress bar on this L{StdioClient}'s transport, based
        on the difference between the start time of the operation and the
        current time according to the reactor, and appropriate to the size of
        the console window.

        @param f: a wrapper around the file which is being written or read
        @type f: L{FileWrapper}

        @param startTime: The time at which the operation being tracked began.
        @type startTime: C{float}
        """
        diff = self.reactor.seconds() - startTime
        total = f.total
        try:
            winSize = struct.unpack('4H',
                fcntl.ioctl(0, tty.TIOCGWINSZ, '12345679'))
        except IOError:
            winSize = [None, 80]
        if diff == 0.0:
            speed = 0.0
        else:
            speed = total / diff
        if speed:
            timeLeft = (f.size - total) / speed
        else:
            timeLeft = 0
        front = f.name
        back = '%3i%% %s %sps %s ' % ((total / f.size) * 100,
                                      self._abbrevSize(total),
                                      self._abbrevSize(speed),
                                      self._abbrevTime(timeLeft))
        spaces = (winSize[1] - (len(front) + len(back) + 1)) * ' '
        self.transport.write('\r%s%s%s' % (front, spaces, back))
Example #10
Source File: conch.py    From python-for-android with Apache License 2.0 5 votes vote down vote up 
def channelOpen(self, foo):
        log.msg('session %s open' % self.id)
        if options['agent']:
            d = self.conn.sendRequest(self, 'auth-agent-req@openssh.com', '', wantReply=1)
            d.addBoth(lambda x:log.msg(x))
        if options['noshell']: return
        if (options['command'] and options['tty']) or not options['notty']:
            _enterRawMode()
        c = session.SSHSessionClient()
        if options['escape'] and not options['notty']:
            self.escapeMode = 1
            c.dataReceived = self.handleInput
        else:
            c.dataReceived = self.write
        c.connectionLost = lambda x=None,s=self:s.sendEOF()
        self.stdio = stdio.StandardIO(c)
        fd = 0
        if options['subsystem']:
            self.conn.sendRequest(self, 'subsystem', \
                common.NS(options['command']))
        elif options['command']:
            if options['tty']:
                term = os.environ['TERM']
                winsz = fcntl.ioctl(fd, tty.TIOCGWINSZ, '12345678')
                winSize = struct.unpack('4H', winsz)
                ptyReqData = session.packRequest_pty_req(term, winSize, '')
                self.conn.sendRequest(self, 'pty-req', ptyReqData)
                signal.signal(signal.SIGWINCH, self._windowResized)
            self.conn.sendRequest(self, 'exec', \
                common.NS(options['command']))
        else:
            if not options['notty']:
                term = os.environ['TERM']
                winsz = fcntl.ioctl(fd, tty.TIOCGWINSZ, '12345678')
                winSize = struct.unpack('4H', winsz)
                ptyReqData = session.packRequest_pty_req(term, winSize, '')
                self.conn.sendRequest(self, 'pty-req', ptyReqData)
                signal.signal(signal.SIGWINCH, self._windowResized)
            self.conn.sendRequest(self, 'shell', '')
            #if hasattr(conn.transport, 'transport'):
            #    conn.transport.transport.setTcpNoDelay(1)
Example #11
Source File: conch.py    From python-for-android with Apache License 2.0 5 votes vote down vote up 
def _windowResized(self, *args):
        winsz = fcntl.ioctl(0, tty.TIOCGWINSZ, '12345678')
        winSize = struct.unpack('4H', winsz)
        newSize = winSize[1], winSize[0], winSize[2], winSize[3]
        self.conn.sendRequest(self, 'window-change', struct.pack('!4L', *newSize))
Example #12
Source File: conch.py    From BitTorrent with GNU General Public License v3.0 5 votes vote down vote up 
def channelOpen(self, foo):
        log.msg('session %s open' % self.id)
        if options['agent']:
            d = self.conn.sendRequest(self, 'auth-agent-req@openssh.com', '', wantReply=1)
            d.addBoth(lambda x:log.msg(x))
        if options['noshell']: return
        if (options['command'] and options['tty']) or not options['notty']:
            _enterRawMode()
        c = session.SSHSessionClient()
        if options['escape'] and not options['notty']:
            self.escapeMode = 1
            c.dataReceived = self.handleInput
        else:
            c.dataReceived = self.write
        c.connectionLost = lambda x=None,s=self:s.sendEOF()
        self.stdio = stdio.StandardIO(c)
        fd = 0
        if options['subsystem']:
            self.conn.sendRequest(self, 'subsystem', \
                common.NS(options['command']))
        elif options['command']:
            if options['tty']:
                term = os.environ['TERM']
                winsz = fcntl.ioctl(fd, tty.TIOCGWINSZ, '12345678')
                winSize = struct.unpack('4H', winsz)
                ptyReqData = session.packRequest_pty_req(term, winSize, '')
                self.conn.sendRequest(self, 'pty-req', ptyReqData)
                signal.signal(signal.SIGWINCH, self._windowResized)
            self.conn.sendRequest(self, 'exec', \
                common.NS(options['command']))
        else:
            if not options['notty']:
                term = os.environ['TERM']
                winsz = fcntl.ioctl(fd, tty.TIOCGWINSZ, '12345678')
                winSize = struct.unpack('4H', winsz)
                ptyReqData = session.packRequest_pty_req(term, winSize, '')
                self.conn.sendRequest(self, 'pty-req', ptyReqData)
                signal.signal(signal.SIGWINCH, self._windowResized)
            self.conn.sendRequest(self, 'shell', '')
            #if hasattr(conn.transport, 'transport'):
            #    conn.transport.transport.setTcpNoDelay(1)
Example #13
Source File: conch.py    From BitTorrent with GNU General Public License v3.0 5 votes vote down vote up 
def _windowResized(self, *args):
        winsz = fcntl.ioctl(0, tty.TIOCGWINSZ, '12345678')
        winSize = struct.unpack('4H', winsz)
        newSize = winSize[1], winSize[0], winSize[2], winSize[3]
        self.conn.sendRequest(self, 'window-change', struct.pack('!4L', *newSize))
Example #14
Source File: __main__.py    From imaginary with MIT License 5 votes vote down vote up 
def getTerminalSize(terminalFD):
    """
    Get the height and width of the terminal, in characters.

    @param terminalFD: The file descriptor of the terminal to inspect.
    @type terminalFD: L{int}
    """
    winsz = fcntl.ioctl(terminalFD, tty.TIOCGWINSZ, b'12345678')
    winSize = struct.unpack(
        b'4H', winsz
    )
    ws_row, ws_col, ws_xpixel, ws_ypixel = winSize
    return ws_row, ws_col
Example #15
Source File: conch.py    From learn_python3_spider with MIT License 4 votes vote down vote up 
def channelOpen(self, foo):
        log.msg('session {} open'.format(self.id))
        if options['agent']:
            d = self.conn.sendRequest(self, b'auth-agent-req@openssh.com',
                                      b'', wantReply=1)
            d.addBoth(lambda x: log.msg(x))
        if options['noshell']:
            return
        if (options['command'] and options['tty']) or not options['notty']:
            _enterRawMode()
        c = session.SSHSessionClient()
        if options['escape'] and not options['notty']:
            self.escapeMode = 1
            c.dataReceived = self.handleInput
        else:
            c.dataReceived = self.write
        c.connectionLost = lambda x: self.sendEOF()
        self.stdio = stdio.StandardIO(c)
        fd = 0
        if options['subsystem']:
            self.conn.sendRequest(self, b'subsystem',
                                  common.NS(options['command']))
        elif options['command']:
            if options['tty']:
                term = os.environ['TERM']
                winsz = fcntl.ioctl(fd, tty.TIOCGWINSZ, '12345678')
                winSize = struct.unpack('4H', winsz)
                ptyReqData = session.packRequest_pty_req(term, winSize, '')
                self.conn.sendRequest(self, b'pty-req', ptyReqData)
                signal.signal(signal.SIGWINCH, self._windowResized)
            self.conn.sendRequest(self, b'exec', common.NS(options['command']))
        else:
            if not options['notty']:
                term = os.environ['TERM']
                winsz = fcntl.ioctl(fd, tty.TIOCGWINSZ, '12345678')
                winSize = struct.unpack('4H', winsz)
                ptyReqData = session.packRequest_pty_req(term, winSize, '')
                self.conn.sendRequest(self, b'pty-req', ptyReqData)
                signal.signal(signal.SIGWINCH, self._windowResized)
            self.conn.sendRequest(self, b'shell', b'')
            #if hasattr(conn.transport, 'transport'):
            #    conn.transport.transport.setTcpNoDelay(1)