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102 lines
3.0 KiB
102 lines
3.0 KiB
# Xlib.support.connect -- OS-independent display connection functions
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#
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# Copyright (C) 2000 Peter Liljenberg <petli@ctrl-c.liu.se>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public License
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# as published by the Free Software Foundation; either version 2.1
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# of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc.,
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# 59 Temple Place,
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# Suite 330,
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# Boston, MA 02111-1307 USA
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import sys
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import importlib
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# List the modules which contain the corresponding functions
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_display_mods = {
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'OpenVMS': 'vms_connect',
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}
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_default_display_mod = 'unix_connect'
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_socket_mods = {
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'OpenVMS': 'vms_connect'
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}
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_default_socket_mod = 'unix_connect'
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_auth_mods = {
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'OpenVMS': 'vms_connect'
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}
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_default_auth_mod = 'unix_connect'
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# Figure out which OS we're using.
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# sys.platform is either "OS-ARCH" or just "OS".
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_parts = sys.platform.split('-')
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platform = _parts[0]
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del _parts
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def _relative_import(modname):
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return importlib.import_module('..' + modname, __name__)
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def get_display(display):
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"""dname, protocol, host, dno, screen = get_display(display)
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Parse DISPLAY into its components. If DISPLAY is None, use
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the default display. The return values are:
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DNAME -- the full display name (string)
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PROTOCOL -- the protocol to use (None if automatic)
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HOST -- the host name (string, possibly empty)
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DNO -- display number (integer)
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SCREEN -- default screen number (integer)
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"""
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modname = _display_mods.get(platform, _default_display_mod)
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mod = _relative_import(modname)
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return mod.get_display(display)
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def get_socket(dname, protocol, host, dno):
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"""socket = get_socket(dname, protocol, host, dno)
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Connect to the display specified by DNAME, PROTOCOL, HOST and DNO, which
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are the corresponding values from a previous call to get_display().
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Return SOCKET, a new socket object connected to the X server.
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"""
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modname = _socket_mods.get(platform, _default_socket_mod)
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mod = _relative_import(modname)
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return mod.get_socket(dname, protocol, host, dno)
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def get_auth(sock, dname, protocol, host, dno):
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"""auth_name, auth_data = get_auth(sock, dname, protocol, host, dno)
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Return authentication data for the display on the other side of
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SOCK, which was opened with DNAME, HOST and DNO, using PROTOCOL.
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Return AUTH_NAME and AUTH_DATA, two strings to be used in the
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connection setup request.
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"""
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modname = _auth_mods.get(platform, _default_auth_mod)
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mod = _relative_import(modname)
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return mod.get_auth(sock, dname, protocol, host, dno)
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