* utils/demotions.py: added tool to calculate demotions from main

                      to universe

1 files changed, 85 insertions, 0 deletions

diff --git a/utils/demotions.py b/utils/demotions.py
new file mode 100755
index 00000000..a41d439c
--- /dev/null
+++ b/utils/demotions.py
@@ -0,0 +1,85 @@
+#! /usr/bin/env python
+#
+# FIXME: strip "TryExec" from the extracted menu files (and noDisplay)
+#        
+# TODO:
+# - emacs21 ships it's icon in emacs-data, deal with this
+# - some stuff needs to be blacklisted (e.g. gnome-about)
+# - lots of packages have there desktop file in "-data", "-comon" (e.g. anjuta)
+# - lots of packages have multiple desktop files for the same application
+#   abiword, abiword-gnome, abiword-gtk
+
+import os
+import tarfile
+import sys
+import apt
+import apt_pkg
+import apt_inst
+#import xdg.Menu
+import os.path
+import re
+import tempfile
+import subprocess
+import string
+import shutil
+import urllib
+import logging
+
+
+# pkgs in main for the given dist
+class Dist(object):
+  def __init__(self,name):
+    self.name = name
+    self.pkgs_in_comp = {}
+
+if __name__ == "__main__":
+
+  # init
+  apt_pkg.Config.Set("Dir::state","./apt/")
+  apt_pkg.Config.Set("Dir::Etc","./apt")
+  try:
+    os.makedirs("apt/lists/partial")
+  except OSError:
+    pass
+
+  breezy = Dist("breezy")
+  dapper = Dist("dapper")
+  
+  # go over the dists to find main pkgs
+  for dist in [breezy, dapper]:
+    
+    for comp in ["main", "restricted", "universe", "multiverse"]:
+      line = "deb http://archive.ubuntu.com/ubuntu %s %s\n" % (dist.name,comp)
+      file("apt/sources.list","w").write(line)
+      dist.pkgs_in_comp[comp] = set()
+
+      # and the archs
+      for arch in ["i386","amd64", "powerpc"]:
+        apt_pkg.Config.Set("APT::Architecture",arch)
+        cache = apt.Cache(apt.progress.OpTextProgress())
+        prog = apt.progress.TextFetchProgress() 
+        cache.update(prog)
+        cache.open(apt.progress.OpTextProgress())
+        map(lambda pkg: dist.pkgs_in_comp[comp].add(pkg.name), cache)
+
+  # check what is no longer in main
+  no_longer_main = breezy.pkgs_in_comp["main"] - dapper.pkgs_in_comp["main"]
+  no_longer_main |= breezy.pkgs_in_comp["restricted"] - dapper.pkgs_in_comp["restricted"]
+
+  # check what moved to universe and what was removed (or renamed)
+  in_universe = lambda pkg: pkg in dapper.pkgs_in_comp["universe"] or pkg in dapper.pkgs_in_comp["multiverse"]
+
+  # debug
+  #not_in_universe = lambda pkg: not in_universe(pkg)
+  #print filter(not_in_universe, no_longer_main)
+
+  # this stuff was demoted and is no in universe
+  demoted = filter(in_universe, no_longer_main)
+  demoted.sort()
+
+  outfile = "demoted.cfg"
+  print "writing the demotion info to '%s'" % outfile
+  # write it out
+  out = open(outfile,"w")
+  out.write("# demoted packages in dapper\n")
+  out.write("\n".join(demoted))