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  • Committer: Michael Vogt
  • Date: 2007-12-04 17:31:29 UTC
  • Revision ID: michael.vogt@ubuntu.com-20071204173129-s22zep1ug18pd71v
* DistUpgrade/DistUpgrade.cfg.dapper,
  DistUpgrade/prerequists-sources.list.dapper:
  - add support for dapper->hardy upgrades
* DistUpgrade/DistUpgradeConfigParser.py:
  - add overwrite support for the configuration to support
    upgrades to multiple target releases with the same
    upgrader
* data/update-manager.schemas.in:
  - /apps/update-manager/check_dist_upgrades is deprecated
* utils/demotions.py:
  - make it more flexible to support generating both 
    dapper and gutsy demotions

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utils/demotions.py
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import os
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import tarfile
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import sys
 
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import warnings
 
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warnings.filterwarnings("ignore", "apt API not stable yet", FutureWarning)
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import apt
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import apt_pkg
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import apt_inst
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  except OSError:
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    pass
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  old = Dist("gutsy")
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  new = Dist("hardy")
 
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  old = Dist(sys.argv[1]) # Dist("gutsy")
 
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  new = Dist(sys.argv[2]) # Dist("hardy")
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  # go over the dists to find main pkgs
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  for dist in [old, new]:
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      # and the archs
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      for arch in ARCHES:
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        apt_pkg.Config.Set("APT::Architecture",arch)
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        cache = apt.Cache(apt.progress.OpTextProgress())
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        prog = apt.progress.TextFetchProgress() 
 
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        cache = apt.Cache(apt.progress.OpProgress())
 
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        prog = apt.progress.FetchProgress() 
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        cache.update(prog)
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        cache.open(apt.progress.OpTextProgress())
 
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        cache.open(apt.progress.OpProgress())
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        map(lambda pkg: dist.pkgs_in_comp[comp].add(pkg.name), cache)
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  # check what is no longer in main
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  # remove items that are now in universe, but are replaced by something
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  # in main (pidgin, gaim) etc
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  print "Looking for replaces"
 
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  #print "Looking for replaces"
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  line = "deb http://archive.ubuntu.com/ubuntu %s %s\n" % (new.name, "main")
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  file("apt/sources.list","w").write(line)
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  dist.pkgs_in_comp[comp] = set()
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  for arch in ARCHES:
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    apt_pkg.Config.Set("APT::Architecture",arch)
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    cache = apt.Cache(apt.progress.OpTextProgress())
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    prog = apt.progress.TextFetchProgress() 
 
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    cache = apt.Cache(apt.progress.OpProgress())
 
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    prog = apt.progress.FetchProgress() 
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    cache.update(prog)
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    cache.open(apt.progress.OpTextProgress())
 
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    cache.open(apt.progress.OpProgress())
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    # go over the packages in "main" and check if they replaces something
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    # that we think is a demotion
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    for pkgname in new.pkgs_in_comp["main"]:
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      replaces = get_replace(cache, pkgname)
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      for r in replaces:
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        if r in demoted:
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          print "found '%s' that is demoted but replaced by '%s'" % (r, pkgname)
 
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          #print "found '%s' that is demoted but replaced by '%s'" % (r, pkgname)
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          demoted.remove(r)
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  outfile = "demoted.cfg"
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  print "writing the demotion info to '%s'" % outfile
 
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  #outfile = "demoted.cfg"
 
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  #print "writing the demotion info to '%s'" % outfile
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  # write it out
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  out = open(outfile,"w")
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  out.write("# demoted packages\n")
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  out.write("\n".join(demoted))
 
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  #out = open(outfile,"w")
 
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  #out.write("# demoted packages\n")
 
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  #out.write("\n".join(demoted))
 
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  print "# demoted packages from %s to %s" % (sys.argv[1], sys.argv[2])
 
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  print "\n".join(demoted)