Source Code for Module up2date_client.debUtils

 1  # Client code for Update Agent 
 2  # Copyright (c) 2011--2016 Red Hat, Inc.  Distributed under GPLv2. 
 3  # 
 4  # Author: Simon Lukasik 
 5  #         Lukas Durfina 
 6  # 
 7   
 8  import os 
 9  import apt 
10  import gettext 
11  t = gettext.translation('rhn-client-tools', fallback=True) 
12  # Python 3 translations don't have a ugettext method 
13  if not hasattr(t, 'ugettext'): 
14      t.ugettext = t.gettext 
15  _ = t.ugettext 
16   
17   
18  # FIXME: After Debian bug 187019 is resolved 
19 -def verifyPackages(packages): 
20      cache = apt.Cache() 
21      missing_packages = [] 
22      for package in packages: 
23          pkg = cache[package[0]] 
24          if pkg == None or not pkg.is_installed: 
25              missing_packages.append(package) 
26   
27      return [], missing_packages 
28   
29 -def parseVRE(version): 
30      epoch = '' 
31      release = 'X' 
32      if version.find(':') != -1: 
33          epoch, version = version.split(':') 
34      if version.find('-') != -1: 
35          tmp = version.split('-') 
36          version = '-'.join(tmp[:-1]) 
37          release = tmp[-1] 
38      return version, release, epoch 
39   
40 -def installTime(pkg_name, pkg_arch): 
41      dir = '/var/lib/dpkg/info' 
42      files = [ '%s.list' % pkg_name, 
43                '%s:%s.list' % (pkg_name, pkg_arch) ] 
44      # In edge cases, pkg_name can include the arch but the .list file does not 
45      if ':' in pkg_name: 
46          files.append('%s.list' % (pkg_name[:pkg_name.index(':')])) 
47      for f in files: 
48          path = os.path.join(dir,f) 
49          if os.path.isfile(path): 
50              return os.path.getmtime(path) 
51      return 0 
52   
53  #FIXME: Using Apt cache might not be an ultimate solution. 
54  # It could be better to parse /var/lib/dpkg/status manually. 
55  # Apt cache might not contain all the packages. 
56 -def getInstalledPackageList(msgCallback = None, progressCallback = None, 
57                              getArch=None, getInfo = None): 
58      """ Return list of packages. Package is dict with following keys: 
59          name, epoch, version, release and optionaly arch. 
60      """ 
61      if msgCallback != None: 
62          msgCallback(_("Getting list of packages installed on the system")) 
63      cache = apt.Cache() 
64   
65      total = 0 
66      for pkg in cache: 
67          if pkg.installed != None: 
68              total += 1 
69   
70      count = 0 
71      pkg_list = [] 
72      for pkg in cache: 
73          if pkg.installed == None: 
74              continue 
75          version, release, epoch = parseVRE(pkg.installed.version) 
76          package = { 
77              'name': pkg.name, 
78              'epoch': epoch, 
79              'version': version, 
80              'release': release, 
81              'arch': pkg.installed.architecture + '-deb', 
82              'installtime': installTime(pkg.name, pkg.installed.architecture) 
83              } 
84          pkg_list.append(package) 
85   
86          if progressCallback != None: 
87              progressCallback(count, total) 
88          count = count + 1 
89   
90      pkg_list.sort() 
91      return pkg_list 
92   
93 -def setDebugVerbosity(): 
94      pass 
95