# Client code for Update Agent
# Copyright (c) 2011--2016 Red Hat, Inc. Distributed under GPLv2.
#
# Author: Simon Lukasik
# Lukas Durfina
#
import os
import apt
import gettext
t = gettext.translation('rhn-client-tools', fallback=True)
# Python 3 translations don't have a ugettext method
if not hasattr(t, 'ugettext'):
t.ugettext = t.gettext
_ = t.ugettext
# FIXME: After Debian bug 187019 is resolved
def verifyPackages(packages):
cache = apt.Cache()
missing_packages = []
for package in packages:
pkg = cache[package[0]]
if pkg == None or not pkg.is_installed:
missing_packages.append(package)
return [], missing_packages
def parseVRE(version):
epoch = ''
release = 'X'
if version.find(':') != -1:
epoch, version = version.split(':')
if version.find('-') != -1:
tmp = version.split('-')
version = '-'.join(tmp[:-1])
release = tmp[-1]
return version, release, epoch
def installTime(pkg_name, pkg_arch):
dir = '/var/lib/dpkg/info'
files = [ '%s.list' % pkg_name,
'%s:%s.list' % (pkg_name, pkg_arch) ]
# In edge cases, pkg_name can include the arch but the .list file does not
if ':' in pkg_name:
files.append('%s.list' % (pkg_name[:pkg_name.index(':')]))
for f in files:
path = os.path.join(dir,f)
if os.path.isfile(path):
return os.path.getmtime(path)
return 0
#FIXME: Using Apt cache might not be an ultimate solution.
# It could be better to parse /var/lib/dpkg/status manually.
# Apt cache might not contain all the packages.
def getInstalledPackageList(msgCallback = None, progressCallback = None,
getArch=None, getInfo = None):
""" Return list of packages. Package is dict with following keys:
name, epoch, version, release and optionaly arch.
"""
if msgCallback != None:
msgCallback(_("Getting list of packages installed on the system"))
cache = apt.Cache()
total = 0
for pkg in cache:
if pkg.installed != None:
total += 1
count = 0
pkg_list = []
for pkg in cache:
if pkg.installed == None:
continue
version, release, epoch = parseVRE(pkg.installed.version)
package = {
'name': pkg.name,
'epoch': epoch,
'version': version,
'release': release,
'arch': pkg.installed.architecture + '-deb',
'installtime': installTime(pkg.name, pkg.installed.architecture)
}
pkg_list.append(package)
if progressCallback != None:
progressCallback(count, total)
count = count + 1
pkg_list.sort(key=lambda package: package['version'])
return pkg_list
def setDebugVerbosity():
pass
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