diff options
Diffstat (limited to 'displayconfig/displayconfig-hwprobe.py')
| -rwxr-xr-x | displayconfig/displayconfig-hwprobe.py | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/displayconfig/displayconfig-hwprobe.py b/displayconfig/displayconfig-hwprobe.py deleted file mode 100755 index 7ba5c69..0000000 --- a/displayconfig/displayconfig-hwprobe.py +++ /dev/null @@ -1,132 +0,0 @@ -#!/usr/bin/python -########################################################################### -# displayconfig-hwprobe.py - description # -# ------------------------------ # -# begin : Sun Jan 22 2006 # -# copyright : (C) 2006 by Simon Edwards # -# email : simon@simonzone.com # -# # -########################################################################### -# # -# 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 should be run during boot time. It quickly examines the -# graphics cards (read: PCI devices) in the computer and compares they to -# the list in the file $hardware_info_filename. If the two lists differ -# then the Debian package manager is automatically called to regenerate -# /etc/X11/xorg.conf. This hopefully should mean that people can swap gfx -# cards in and out and always have a system that will run Xorg. (even -# though the config will be most likely be suboptimal. Suboptimal is better -# than no X server). - -import ScanPCI -import os -import syslog -import select - -hardware_info_filename = "/var/lib/guidance/guidance-gfxhardware-snapshot" -data_file_dir = "/usr/share/apps/guidance/" - -def main(): - # Scan the PCI bus. - pci_bus = ScanPCI.PCIBus(data_file_dir) - pci_bus.detect() - - # Stuff our device info in to a string. - hardware_config = "" - for pci_device in pci_bus.devices: - if pci_device.isGfxCard(): - hardware_config += "PCI:%i:%i:%i Vendor:%x Device:%x Subvendor:%x Subdevice:%x\n" % \ - (pci_device.pci_bus, pci_device.pci_device, pci_device.pci_function, - pci_device.vendor, pci_device.device, - pci_device.subvendor, pci_device.subdevice) - - # Read in the old gfx hardware info in. - previous_hardware = None - try: - fhandle = open(hardware_info_filename) - previous_hardware = fhandle.read() - fhandle.close() - except IOError: - previous_hardware = None - - if previous_hardware is not None and previous_hardware!=hardware_config: - # Run dpkg and configure the new hardware. - syslog.syslog(syslog.LOG_INFO, "Graphics card hardware has changed. Reconfiguring xorg.conf using 'dpkg-reconfigure xserver-xorg'.") - cmd = ['dpkg-reconfigure','xserver-xorg'] - environ = os.environ.copy() - environ['DEBIAN_FRONTEND'] = 'noninteractive' - #os.spawnvpe(os.P_WAIT, 'dpkg-reconfigure', cmd, environ) - result = ExecWithCapture('/usr/sbin/dpkg-reconfigure', cmd, 0, '/', 0,1, -1, environ) - for line in result.split('\n'): - syslog.syslog(syslog.LOG_INFO,"dpkg-reconfigure:"+line) - - # [21:18] <Riddell> you are brave indeed - # [21:21] <Sime> I figured some kind of non-interactive "dpkg-reconfigure xorg" might be enough. - # [21:22] <Riddell> yep - - if previous_hardware is None or previous_hardware!=hardware_config: - syslog.syslog(syslog.LOG_INFO, "Writing graphics card hardware list to "+hardware_info_filename) - # Write out the gfx hardware info - tmp_filename = hardware_info_filename + ".tmp" - fhandle = open(tmp_filename,'w') - fhandle.write(hardware_config) - fhandle.close() - os.rename(tmp_filename, hardware_info_filename) - - -############################################################################ -def ExecWithCapture(command, argv, searchPath = 0, root = '/', stdin = 0, - catchfd = 1, closefd = -1, environ = None): - - if not os.access(root + command, os.X_OK) and not searchPath: - raise RuntimeError, command + " can not be run" - - (read, write) = os.pipe() - childpid = os.fork() - if (not childpid): - if (root and root != '/'): os.chroot(root) - os.dup2(write, catchfd) - os.close(write) - os.close(read) - - if closefd != -1: - os.close(closefd) - if stdin: - os.dup2(stdin, 0) - os.close(stdin) - - # Replace the environment - if environ is not None: - os.environ.clear() - os.environ.update(environ) - - if searchPath: - os.execvp(command, argv) - else: - os.execv(command, argv) - sys.exit(1) - os.close(write) - - rc = "" - s = "1" - while s: - select.select([read], [], []) - s = os.read(read, 1000) - rc = rc + s - - os.close(read) - - try: - os.waitpid(childpid, 0) - except OSError, (errno, msg): - print __name__, "waitpid:", msg - - return rc - -main() |