Actually working version of the midclean script is attached. Matej =================================== #!/usr/bin/python """Program to clean /var/cache/apt/archives folder from files for packages which are not installed. It doesn't take any arguments.
Copyright (c) 2005 Matej Cepl <[EMAIL PROTECTED]>
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""
# $Id: midclean.py,v 1.9 2005-11-25 20:10:06 matej Exp $
import os,re,sys
try:
testSet=set([1,2])
except NameError:
from sets import Set as set
else:
del testSet
root = os.getuid()==0
workDir = "/var/cache/apt/archives/"
# leave packages which are installed and those which are removed,
# but not purged.
searchExpression ='~i | ~c'
# get a list of all installed packages (see above for the
# explanation, what installed means in this context :-)).
currentlyInstalledRaw = \
os.popen("aptitude search -F '%%p# %%V#' '%s'" \
% searchExpression,"r").readlines()
currentlyInstalled = set(["%s_%s" % tuple(line.split()) \
for line in currentlyInstalledRaw])
# get the list of .deb-files on our computer
os.chdir(workDir)
packagesStored = \
dict([["_".join(line.replace("%3a",":").split("_",2)[:2]),line] \
for line in os.listdir(".") if line[-4:] == ".deb"])
# get a difference between what is and what should be installed
storedNotInstalled = set(packagesStored.keys()) -
currentlyInstalled
# go remove what should be removed
for item in storedNotInstalled:
filename = packagesStored[item]
print "Removing %s." % filename
if root:
os.remove(filename)
# final reporting
if root:
print >>sys.stderr,"Removed %d files." %
len(storedNotInstalled)
else:
print >>sys.stderr,"Only root can actually remove the files."
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