Python pty.STDIN_FILENO属性代码示例

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def test__copy_eof_on_all(self):
        """Test the empty read EOF case on both master_fd and stdin."""
        read_from_stdout_fd, mock_stdout_fd = self._pipe()
        pty.STDOUT_FILENO = mock_stdout_fd
        mock_stdin_fd, write_to_stdin_fd = self._pipe()
        pty.STDIN_FILENO = mock_stdin_fd
        socketpair = socket.socketpair()
        masters = [s.fileno() for s in socketpair]
        self.fds.extend(masters)

        os.close(masters[1])
        socketpair[1].close()
        os.close(write_to_stdin_fd)

        # Expect two select calls, the last one will cause IndexError
        pty.select = self._mock_select
        self.select_rfds_lengths.append(2)
        self.select_rfds_results.append([mock_stdin_fd, masters[0]])
        # We expect that both fds were removed from the fds list as they
        # both encountered an EOF before the second select call.
        self.select_rfds_lengths.append(0)

        with self.assertRaises(IndexError):
            pty._copy(masters[0]) 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def __interact_copy(self, escape_character = None, input_filter = None, output_filter = None):

        """This is used by the interact() method.
        """

        while self.isalive():
            r,w,e = self.__select([self.child_fd, self.STDIN_FILENO], [], [])
            if self.child_fd in r:
                data = self.__interact_read(self.child_fd)
                if output_filter: data = output_filter(data)
                if self.logfile is not None:
                    self.logfile.write (data)
                    self.logfile.flush()
                os.write(self.STDOUT_FILENO, data)
            if self.STDIN_FILENO in r:
                data = self.__interact_read(self.STDIN_FILENO)
                if input_filter: data = input_filter(data)
                i = data.rfind(escape_character)
                if i != -1:
                    data = data[:i]
                    self.__interact_writen(self.child_fd, data)
                    break
                self.__interact_writen(self.child_fd, data) 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def test__copy_eof_on_all(self):
        """Test the empty read EOF case on both master_fd and stdin."""
        read_from_stdout_fd, mock_stdout_fd = self._pipe()
        pty.STDOUT_FILENO = mock_stdout_fd
        mock_stdin_fd, write_to_stdin_fd = self._pipe()
        pty.STDIN_FILENO = mock_stdin_fd
        socketpair = self._socketpair()
        masters = [s.fileno() for s in socketpair]

        os.close(masters[1])
        socketpair[1].close()
        os.close(write_to_stdin_fd)

        # Expect two select calls, the last one will cause IndexError
        pty.select = self._mock_select
        self.select_rfds_lengths.append(2)
        self.select_rfds_results.append([mock_stdin_fd, masters[0]])
        # We expect that both fds were removed from the fds list as they
        # both encountered an EOF before the second select call.
        self.select_rfds_lengths.append(0)

        with self.assertRaises(IndexError):
            pty._copy(masters[0]) 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def test__copy_eof_on_all(self):
        """Test the empty read EOF case on both master_fd and stdin."""
        read_from_stdout_fd, mock_stdout_fd = self._pipe()
        pty.STDOUT_FILENO = mock_stdout_fd
        mock_stdin_fd, write_to_stdin_fd = self._pipe()
        pty.STDIN_FILENO = mock_stdin_fd
        socketpair = self._socketpair()
        masters = [s.fileno() for s in socketpair]

        socketpair[1].close()
        os.close(write_to_stdin_fd)

        # Expect two select calls, the last one will cause IndexError
        pty.select = self._mock_select
        self.select_rfds_lengths.append(2)
        self.select_rfds_results.append([mock_stdin_fd, masters[0]])
        # We expect that both fds were removed from the fds list as they
        # both encountered an EOF before the second select call.
        self.select_rfds_lengths.append(0)

        with self.assertRaises(IndexError):
            pty._copy(masters[0]) 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def setUp(self):
        self.orig_stdin_fileno = pty.STDIN_FILENO
        self.orig_stdout_fileno = pty.STDOUT_FILENO
        self.orig_pty_select = pty.select
        self.fds = []  # A list of file descriptors to close.
        self.select_rfds_lengths = []
        self.select_rfds_results = [] 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def tearDown(self):
        pty.STDIN_FILENO = self.orig_stdin_fileno
        pty.STDOUT_FILENO = self.orig_stdout_fileno
        pty.select = self.orig_pty_select
        for fd in self.fds:
            try:
                os.close(fd)
            except:
                pass 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def test__copy_to_each(self):
        """Test the normal data case on both master_fd and stdin."""
        read_from_stdout_fd, mock_stdout_fd = self._pipe()
        pty.STDOUT_FILENO = mock_stdout_fd
        mock_stdin_fd, write_to_stdin_fd = self._pipe()
        pty.STDIN_FILENO = mock_stdin_fd
        socketpair = socket.socketpair()
        masters = [s.fileno() for s in socketpair]
        self.fds.extend(masters)

        # Feed data.  Smaller than PIPEBUF.  These writes will not block.
        os.write(masters[1], b'from master')
        os.write(write_to_stdin_fd, b'from stdin')

        # Expect two select calls, the last one will cause IndexError
        pty.select = self._mock_select
        self.select_rfds_lengths.append(2)
        self.select_rfds_results.append([mock_stdin_fd, masters[0]])
        self.select_rfds_lengths.append(2)

        with self.assertRaises(IndexError):
            pty._copy(masters[0])

        # Test that the right data went to the right places.
        rfds = select.select([read_from_stdout_fd, masters[1]], [], [], 0)[0]
        self.assertEqual([read_from_stdout_fd, masters[1]], rfds)
        self.assertEqual(os.read(read_from_stdout_fd, 20), b'from master')
        self.assertEqual(os.read(masters[1], 20), b'from stdin') 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def setUp(self):
        self.orig_stdin_fileno = pty.STDIN_FILENO
        self.orig_stdout_fileno = pty.STDOUT_FILENO
        self.orig_pty_select = pty.select
        self.fds = []  # A list of file descriptors to close.
        self.files = []
        self.select_rfds_lengths = []
        self.select_rfds_results = [] 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def tearDown(self):
        pty.STDIN_FILENO = self.orig_stdin_fileno
        pty.STDOUT_FILENO = self.orig_stdout_fileno
        pty.select = self.orig_pty_select
        for file in self.files:
            try:
                file.close()
            except OSError:
                pass
        for fd in self.fds:
            try:
                os.close(fd)
            except OSError:
                pass 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def test__copy_to_each(self):
        """Test the normal data case on both master_fd and stdin."""
        read_from_stdout_fd, mock_stdout_fd = self._pipe()
        pty.STDOUT_FILENO = mock_stdout_fd
        mock_stdin_fd, write_to_stdin_fd = self._pipe()
        pty.STDIN_FILENO = mock_stdin_fd
        socketpair = self._socketpair()
        masters = [s.fileno() for s in socketpair]

        # Feed data.  Smaller than PIPEBUF.  These writes will not block.
        os.write(masters[1], b'from master')
        os.write(write_to_stdin_fd, b'from stdin')

        # Expect two select calls, the last one will cause IndexError
        pty.select = self._mock_select
        self.select_rfds_lengths.append(2)
        self.select_rfds_results.append([mock_stdin_fd, masters[0]])
        self.select_rfds_lengths.append(2)

        with self.assertRaises(IndexError):
            pty._copy(masters[0])

        # Test that the right data went to the right places.
        rfds = select.select([read_from_stdout_fd, masters[1]], [], [], 0)[0]
        self.assertEqual([read_from_stdout_fd, masters[1]], rfds)
        self.assertEqual(os.read(read_from_stdout_fd, 20), b'from master')
        self.assertEqual(os.read(masters[1], 20), b'from stdin') 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def __fork_pty(self):
        '''This implements a substitute for the forkpty system call. This
        should be more portable than the pty.fork() function. Specifically,
        this should work on Solaris.

        Modified 10.06.05 by Geoff Marshall: Implemented __fork_pty() method to
        resolve the issue with Python's pty.fork() not supporting Solaris,
        particularly ssh. Based on patch to posixmodule.c authored by Noah
        Spurrier::

            http://mail.python.org/pipermail/python-dev/2003-May/035281.html

        '''

        parent_fd, child_fd = os.openpty()
        if parent_fd < 0 or child_fd < 0:
            raise ExceptionPexpect("Could not open with os.openpty().")

        pid = os.fork()
        if pid == pty.CHILD:
            # Child.
            os.close(parent_fd)
            self.__pty_make_controlling_tty(child_fd)

            os.dup2(child_fd, self.STDIN_FILENO)
            os.dup2(child_fd, self.STDOUT_FILENO)
            os.dup2(child_fd, self.STDERR_FILENO)

        else:
            # Parent.
            os.close(child_fd)

        return pid, parent_fd 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def __interact_copy(self, escape_character=None,
            input_filter=None, output_filter=None):

        '''This is used by the interact() method.
        '''

        while self.isalive():
            r, w, e = self.__select([self.child_fd, self.STDIN_FILENO], [], [])
            if self.child_fd in r:
                try:
                    data = self.__interact_read(self.child_fd)
                except OSError as err:
                    if err.args[0] == errno.EIO:
                        # Linux-style EOF
                        break
                    raise
                if data == b'':
                    # BSD-style EOF
                    break
                if output_filter:
                    data = output_filter(data)
                if self.logfile is not None:
                    self.logfile.write(data)
                    self.logfile.flush()
                os.write(self.STDOUT_FILENO, data)
            if self.STDIN_FILENO in r:
                data = self.__interact_read(self.STDIN_FILENO)
                if input_filter:
                    data = input_filter(data)
                i = data.rfind(escape_character)
                if i != -1:
                    data = data[:i]
                    self.__interact_writen(self.child_fd, data)
                    break
                self.__interact_writen(self.child_fd, data) 

# 需要导入模块: import pty [as 别名]
# 或者: from pty import STDIN_FILENO [as 别名]
def __interact_copy(self, escape_character=None,
            input_filter=None, output_filter=None):

        '''This is used by the interact() method.
        '''

        while self.isalive():
            r, w, e = select_ignore_interrupts([self.child_fd, self.STDIN_FILENO], [], [])
            if self.child_fd in r:
                try:
                    data = self.__interact_read(self.child_fd)
                except OSError as err:
                    if err.args[0] == errno.EIO:
                        # Linux-style EOF
                        break
                    raise
                if data == b'':
                    # BSD-style EOF
                    break
                if output_filter:
                    data = output_filter(data)
                self._log(data, 'read')
                os.write(self.STDOUT_FILENO, data)
            if self.STDIN_FILENO in r:
                data = self.__interact_read(self.STDIN_FILENO)
                if input_filter:
                    data = input_filter(data)
                i = -1
                if escape_character is not None:
                    i = data.rfind(escape_character)
                if i != -1:
                    data = data[:i]
                    if data:
                        self._log(data, 'send')
                    self.__interact_writen(self.child_fd, data)
                    break
                self._log(data, 'send')
                self.__interact_writen(self.child_fd, data)