Initial work, look we can get a list of packages from a comps file

gather/gather.py

@@ -0,0 +1,41 @@
+#!/usr/bin/python -tt
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Library General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+import sys
+import yum.comps
+
+def get_packagelist(myComps):
+    pkglist = []
+    for group in myComps.groups:
+        pkglist += group.packages
+    return pkglist
+
+
+def main():
+    try:
+        print sys.argv[1]
+        compsobj = yum.comps.Comps()
+        for srcfile in sys.argv[1:]:
+            compsobj.add(srcfile)
+
+        print get_packagelist(compsobj)
+
+    except IOError:
+        print >> sys.stderr, "gather.py: No such file:\'%s\'" % sys.argv[1]
+        sys.exit(1)
+
+if __name__ == '__main__':
+    main()
+