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#!/usr/bin/python
# example how to deal with the depcache
import apt
import sys, os
import copy
import time
from apt.progress import InstallProgress
class TextInstallProgress(InstallProgress):
def __init__(self):
apt.progress.InstallProgress.__init__(self)
self.last = 0.0
def updateInterface(self):
InstallProgress.updateInterface(self)
if self.last >= self.percent:
return
sys.stdout.write("\r[%s] %s\n" %(self.percent, self.status))
sys.stdout.flush()
self.last = self.percent
def conffile(self,current,new):
print "conffile prompt: %s %s" % (current,new)
def error(self, errorstr):
print "got dpkg error: '%s'" % errorstr
cache = apt.Cache(apt.progress.OpTextProgress())
fprogress = apt.progress.TextFetchProgress()
iprogress = TextInstallProgress()
pkg = cache["test-package"]
pkg.markUpgrade()
cache.commit(fprogress,iprogress)
sys.exit(1)
# install or remove, the importend thing is to keep us busy :)
if pkg.isInstalled:
print "Going to delete %s" % pkg.name
pkg.markDelete()
else:
print "Going to install %s" % pkg.name
pkg.markInstall()
res = cache.commit(fprogress, iprogress)
print res
sys.exit(0)
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