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#! /usr/bin/python
#
# copyright (c) 2006 Josselin Mouette <joss@debian.org>
# Licensed under the GNU Lesser General Public License, version 2.1
# See COPYING for details
from optparse import OptionParser
import sys,os,os.path,shutil,tempfile,subprocess,re
def get_valid_languages():
'''Return set of valid languages.'''
langs = set()
cmd = subprocess.Popen(['locale', '-a'], stdout=subprocess.PIPE)
for l in cmd.communicate()[0].split():
if l == 'POSIX':
continue
langs.add(l.split('_')[0])
return langs
def trim(filename, valid_languages):
'''Remove redundancy from given %gconf-tree.xml, for faster loading'''
infile = open(filename)
outfile = open(filename + '.new', 'w')
local_schema_re = re.compile('<local_schema locale="([a-zA-Z0-9@._-]+)">')
try:
in_bad_locale_block = False
for l in infile:
if in_bad_locale_block:
if '</local_schema>' in l:
in_bad_locale_block = False
continue
m = local_schema_re.search(l)
if m:
if m.group(1) not in valid_languages:
in_bad_locale_block = True
continue
l = l.replace(' short_desc=""', '')
l = l.lstrip('\t')
outfile.write(l)
os.rename(filename + '.new', filename)
except:
os.unlink(filename + '.new')
raise
parser = OptionParser(usage="usage: %prog --[un]register file1.schemas [file2.schemas [...]]")
parser.add_option("--register", action="store_true", dest="register",
help="register schemas to the GConf database",
default=None)
parser.add_option("--unregister", action="store_false", dest="register",
help="unregister schemas from the GConf database",
default=None)
parser.add_option("--register-all", action="store_true", dest="register_all",
help="clean up the GConf database and register all schemas again",
default=False)
parser.add_option("--no-signal", action="store_false", default=True, dest="signal",
help="do not send SIGHUP the running gconfd-2 processes")
(options, args) = parser.parse_args()
if options.register==None and not options.register_all:
parser.error("You need to specify --register or --unregister.")
if 'DPKG_RUNNING_VERSION' in os.environ and not options.register_all:
# This is what happens when we are called in an obsolete postinst/prerm script
# Do nothing, it will be done in the trigger
sys.exit(0)
schema_location="/usr/share/gconf/schemas"
defaults_dest="/var/lib/gconf/defaults"
schemas = [ ]
if options.register_all:
for f in os.listdir(schema_location):
if f.endswith(".schemas"):
schemas.append(os.path.join(schema_location,f))
else:
for schema in args:
if not os.path.isabs(schema):
schema=os.path.join(schema_location,schema)
if os.path.isfile(schema):
schemas.append(schema)
else:
sys.stderr.write('Warning: %s could not be found.\n'%schema)
if os.geteuid():
parser.error("You must be root to launch this program.")
if options.register_all:
options.register=True
for f in os.listdir(defaults_dest):
os.remove(os.path.join(defaults_dest,f))
open(os.path.join(defaults_dest,"%gconf-tree.xml"),"w").close()
if schemas:
tmp_home=tempfile.mkdtemp(prefix='gconf-')
env={'HOME': tmp_home,
'GCONF_CONFIG_SOURCE': 'xml:readwrite:'+defaults_dest}
if options.register:
arg='--makefile-install-rule'
else:
arg='--makefile-uninstall-rule'
fd = os.open("/dev/null",os.O_WRONLY)
save_stdout=os.dup(1)
os.dup2(fd,1)
os.close(fd)
res=os.spawnvpe(os.P_WAIT,'gconftool-2',['gconftool-2',arg]+schemas,env)
os.dup2(save_stdout,1)
os.close(save_stdout)
shutil.rmtree(tmp_home)
trim(os.path.join(defaults_dest,"%gconf-tree.xml"), get_valid_languages())
if(res):
sys.exit(res)
if options.register and options.signal:
# tell running processes to re-read the GConf database
import signal
try:
pids=os.popen('pidof gconfd-2').readlines()[0].split()
for pid in pids:
try:
os.kill(int(pid),signal.SIGHUP)
except OSError:
pass
except IndexError:
pass
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