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| System | : | Linux MiraNet 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 |
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/
usr/
share/
pyshared/
DistUpgrade/
- drwxr-xr-x
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Viewing file:  xorg_fix_proprietary.py (6.08 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
#!/usr/bin/python
#
# this script will exaimne /etc/xorg/xorg.conf and
# transition from broken proprietary drivers to the free ones
#
import apt
import sys
import os
import os.path
import logging
import time
import shutil
import subprocess
import apt_pkg
# main xorg.conf
XORG_CONF="/etc/X11/xorg.conf"
# really old and most likely obsolete conf
OBSOLETE_XORG_CONF="/etc/X11/XF86Config-4"
def remove_input_devices(xorg_source=XORG_CONF, xorg_destination=XORG_CONF):
logging.debug("remove_input_devices")
content=[]
in_input_devices = False
for raw in open(xorg_source):
line = raw.strip()
if (line.lower().startswith("section") and
line.lower().split("#")[0].strip().endswith('"inputdevice"')):
logging.debug("found 'InputDevice' section")
content.append("# commented out by update-manager, HAL is now used and auto-detects devices\n")
content.append("# Keyboard settings are now read from /etc/default/console-setup\n")
content.append("#"+raw)
in_input_devices=True
elif line.lower().startswith("endsection") and in_input_devices:
content.append("#"+raw)
in_input_devices=False
elif line.lower().startswith("inputdevice"):
logging.debug("commenting out '%s' " % line)
content.append("# commented out by update-manager, HAL is now used and auto-detects devices\n")
content.append("# Keyboard settings are now read from /etc/default/console-setup\n")
content.append("#"+raw)
elif in_input_devices:
logging.debug("commenting out '%s' " % line)
content.append("#"+raw)
else:
content.append(raw)
open(xorg_destination+".new","w").write("".join(content))
os.rename(xorg_destination+".new", xorg_destination)
return True
def replace_driver_from_xorg(old_driver, new_driver, xorg=XORG_CONF):
"""
this removes old_driver driver from the xorg.conf and subsitutes
it with the new_driver
"""
if not os.path.exists(xorg):
logging.warning("file %s not found" % xorg)
return
content=[]
for line in open(xorg):
# remove comments
s=line.split("#")[0].strip()
# check for fglrx driver entry
if (s.lower().startswith("driver") and
s.endswith('"%s"' % old_driver)):
logging.debug("line '%s' found" % line)
line='\tDriver\t"%s"\n' % new_driver
logging.debug("replacing with '%s'" % line)
content.append(line)
# write out the new version
if open(xorg).readlines() != content:
logging.info("saveing new %s (%s -> %s)" % (xorg, old_driver, new_driver))
open(xorg+".xorg_fix","w").write("".join(content))
os.rename(xorg+".xorg_fix", xorg)
def comment_out_driver_from_xorg(old_driver, xorg=XORG_CONF):
"""
this comments out a driver from xorg.conf
"""
if not os.path.exists(xorg):
logging.warning("file %s not found" % xorg)
return
content=[]
for line in open(xorg):
# remove comments
s=line.split("#")[0].strip()
# check for old_driver driver entry
if (s.lower().startswith("driver") and
s.endswith('"%s"' % old_driver)):
logging.debug("line '%s' found" % line)
line='#%s' % line
logging.debug("replacing with '%s'" % line)
content.append(line)
# write out the new version
if open(xorg).readlines() != content:
logging.info("saveing new %s (commenting %s)" % (xorg, old_driver))
open(xorg+".xorg_fix","w").write("".join(content))
os.rename(xorg+".xorg_fix", xorg)
def is_multiseat(xorg_source=XORG_CONF):
" check if we have a multiseat xorg config "
def is_serverlayout_line(line):
return (not line.strip().startswith("#") and
line.strip().lower().endswith('"serverlayout"'))
msl = len(filter(is_serverlayout_line, open(xorg_source)))
logging.debug("is_multiseat: lines %i", msl)
return msl > 1
if __name__ == "__main__":
if not os.getuid() == 0:
print "Need to run as root"
sys.exit(1)
# we pretend to be update-manger so that apport picks up when we crash
sys.argv[0] = "/usr/bin/update-manager"
# setup logging
logging.basicConfig(level=logging.DEBUG,
filename="/var/log/dist-upgrade/xorg_fixup.log",
filemode='w')
logging.info("%s running" % sys.argv[0])
if os.path.exists(OBSOLETE_XORG_CONF):
old = OBSOLETE_XORG_CONF
new = OBSOLETE_XORG_CONF+".obsolete"
logging.info("renaming obsolete %s -> %s" % (old, new))
os.rename(old, new)
if not os.path.exists(XORG_CONF):
logging.info("No xorg.conf, exiting")
sys.exit(0)
# remove empty xorg.conf to help xorg and its auto probing logic
# (LP: #439551)
if os.path.getsize(XORG_CONF) == 0:
logging.info("xorg.conf is zero size, removing")
os.remove(XORG_CONF)
sys.exit(0)
#make a backup of the xorg.conf
backup = XORG_CONF + ".dist-upgrade-" + time.strftime("%Y%m%d%H%M")
logging.debug("creating backup '%s'" % backup)
shutil.copy(XORG_CONF, backup)
if (not os.path.exists("/usr/lib/xorg/modules/drivers/fglrx_drv.so") and
"fglrx" in open(XORG_CONF).read()):
logging.info("Removing fglrx from %s" % XORG_CONF)
comment_out_driver_from_xorg("fglrx")
if (not os.path.exists("/usr/lib/xorg/modules/drivers/nvidia_drv.so") and
"nvidia" in open(XORG_CONF).read()):
logging.info("Removing nvidia from %s" % XORG_CONF)
comment_out_driver_from_xorg("nvidia")
# now run the removeInputDevices() if we have a new xserver
ver=subprocess.Popen(["dpkg-query","-W","-f=${Version}","xserver-xorg-core"], stdout=subprocess.PIPE).communicate()[0]
logging.info("xserver-xorg-core version is '%s'" % ver)
if ver and apt_pkg.VersionCompare(ver, "2:1.5.0") > 0:
if not is_multiseat():
remove_input_devices()
else:
logging.info("multiseat setup, ignoring")
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