/usr/share/doc/python-apt/examples/inst.py is in python-apt-doc 0.9.3.5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | #!/usr/bin/python
# example how to deal with the depcache
import apt
import sys
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["3dchess"]
# install or remove, the importend thing is to keep us busy :)
if pkg.is_installed:
print "Going to delete %s" % pkg.name
pkg.mark_delete()
else:
print "Going to install %s" % pkg.name
pkg.mark_install()
res = cache.commit(fprogress, iprogress)
print res
sys.exit(0)
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