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# Xlib.support.connect -- OS-independent display connection functions
#
# Copyright (C) 2000 Peter Liljenberg <petli@ctrl-c.liu.se>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License
# as published by the Free Software Foundation; either version 2.1
# of the License, or (at your option) any later version.
#
# This library 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc.,
# 59 Temple Place,
# Suite 330,
# Boston, MA 02111-1307 USA
import sys
import importlib
# List the modules which contain the corresponding functions
_display_mods = {
'OpenVMS': 'vms_connect',
}
_default_display_mod = 'unix_connect'
_socket_mods = {
'OpenVMS': 'vms_connect'
}
_default_socket_mod = 'unix_connect'
_auth_mods = {
'OpenVMS': 'vms_connect'
}
_default_auth_mod = 'unix_connect'
# Figure out which OS we're using.
# sys.platform is either "OS-ARCH" or just "OS".
_parts = sys.platform.split('-')
platform = _parts[0]
del _parts
def _relative_import(modname):
return importlib.import_module('..' + modname, __name__)
def get_display(display):
"""dname, protocol, host, dno, screen = get_display(display)
Parse DISPLAY into its components. If DISPLAY is None, use
the default display. The return values are:
DNAME -- the full display name (string)
PROTOCOL -- the protocol to use (None if automatic)
HOST -- the host name (string, possibly empty)
DNO -- display number (integer)
SCREEN -- default screen number (integer)
"""
modname = _display_mods.get(platform, _default_display_mod)
mod = _relative_import(modname)
return mod.get_display(display)
def get_socket(dname, protocol, host, dno):
"""socket = get_socket(dname, protocol, host, dno)
Connect to the display specified by DNAME, PROTOCOL, HOST and DNO, which
are the corresponding values from a previous call to get_display().
Return SOCKET, a new socket object connected to the X server.
"""
modname = _socket_mods.get(platform, _default_socket_mod)
mod = _relative_import(modname)
return mod.get_socket(dname, protocol, host, dno)
def get_auth(sock, dname, protocol, host, dno):
"""auth_name, auth_data = get_auth(sock, dname, protocol, host, dno)
Return authentication data for the display on the other side of
SOCK, which was opened with DNAME, HOST and DNO, using PROTOCOL.
Return AUTH_NAME and AUTH_DATA, two strings to be used in the
connection setup request.
"""
modname = _auth_mods.get(platform, _default_auth_mod)
mod = _relative_import(modname)
return mod.get_auth(sock, dname, protocol, host, dno)
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