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vms_connect.py
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71 lines (53 loc) · 2.01 KB
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# Xlib.support.vms_connect -- VMS-type display connection functions
#
# Copyright (C) 2000 Peter Liljenberg <[email protected]>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import re
import socket
from Xlib import error
display_re = re.compile(r'^([-a-zA-Z0-9._]*):([0-9]+)(\.([0-9]+))?$')
def get_display(display):
# Use dummy display if none is set. We really should
# check DECW$DISPLAY instead, but that has to wait
if display is None:
return ':0.0', 'localhost', 0, 0
m = display_re.match(display)
if not m:
raise error.DisplayNameError(display)
name = display
# Always return a host, since we don't have AF_UNIX sockets
host = m.group(1)
if not host:
host = 'localhost'
dno = int(m.group(2))
screen = m.group(4)
if screen:
screen = int(screen)
else:
screen = 0
return name, host, dno, screen
def get_socket(dname, host, dno):
try:
# Always use TCP/IP sockets. Later it would be nice to
# be able to use DECNET och LOCAL connections.
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((host, 6000 + dno))
except socket.error, val:
raise error.DisplayConnectionError(dname, str(val))
return s
def get_auth(sock, dname, host, dno):
# VMS doesn't have xauth
return '', ''