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#!/usr/bin/python
from optparse import OptionParser
import sys
import os.path
try:
import apt_pkg
except ImportError:
print "Error importing apt_pkg, is python-apt installed?"
sys.exit(1)
actions = { "markauto" : 1,
"unmarkauto": 0
}
def show_automatic(filename):
if not os.path.exists(STATE_FILE):
return
auto = set()
tagfile = apt_pkg.ParseTagFile(open(STATE_FILE))
while tagfile.Step():
pkgname = tagfile.Section.get("Package")
autoInst = tagfile.Section.get("Auto-Installed")
if int(autoInst):
auto.add(pkgname)
print "\n".join(sorted(auto))
def mark_unmark_automatic(filename, action, pkgs):
" mark or unmark automatic flag"
# open the statefile
if os.path.exists(STATE_FILE):
try:
tagfile = apt_pkg.ParseTagFile(open(STATE_FILE))
outfile = open(STATE_FILE+".tmp","w")
except IOError, msg:
print "%s, are you root?" % (msg)
sys.exit(1)
while tagfile.Step():
pkgname = tagfile.Section.get("Package")
autoInst = tagfile.Section.get("Auto-Installed")
if pkgname in pkgs:
if options.verbose:
print "changing %s to %s" % (pkgname,action)
newsec = apt_pkg.RewriteSection(tagfile.Section,
[],
[ ("Auto-Installed",str(action)) ])
pkgs.remove(pkgname)
outfile.write(newsec+"\n")
else:
outfile.write(str(tagfile.Section)+"\n")
if action == 1:
for pkgname in pkgs:
if options.verbose:
print "changing %s to %s" % (pkgname,action)
outfile.write("Package: %s\nAuto-Installed: %d\n\n" % (pkgname, action))
# all done, rename the tmpfile
os.chmod(outfile.name, 0644)
os.rename(outfile.name, STATE_FILE)
os.chmod(STATE_FILE, 0644)
if __name__ == "__main__":
apt_pkg.init()
# option parsing
parser = OptionParser()
parser.usage = "%prog [options] {markauto|unmarkauto} packages..."
parser.add_option("-f", "--file", action="store", type="string",
dest="filename",
help="read/write a different file")
parser.add_option("-v", "--verbose",
action="store_true", dest="verbose", default=False,
help="print verbose status messages to stdout")
(options, args) = parser.parse_args()
# get the state-file
if not options.filename:
STATE_FILE = apt_pkg.Config.FindDir("Dir::State") + "extended_states"
else:
STATE_FILE=options.filename
if args[0] == "showauto":
show_automatic(STATE_FILE)
else:
# get pkgs to change
if args[0] not in actions.keys():
parser.error("first argument must be 'markauto', 'unmarkauto' or 'showauto'")
pkgs = args[1:]
action = actions[args[0]]
mark_unmark_automatic(STATE_FILE, action, pkgs)
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