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71bb2c69b9
Add a script which prints the explicitly specified package list for a given comps file and kickstart.
101 lines
3.1 KiB
Python
Executable File
101 lines
3.1 KiB
Python
Executable File
#!/usr/bin/python
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# Given as input a comps definition and a .ks file, list
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# the packages which would be installed. This list is
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# NOT depsolved, it's merely a textual list of explicitly
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# added or removed packages from the combined set.
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#
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# Licensed under the new-BSD license (http://www.opensource.org/licenses/bsd-license.php)
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# Copyright (C) 2010 Red Hat, Inc.
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# Written by Colin Walters <walters@verbum.org>
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import os
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import sys
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import getopt
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import xml.etree.cElementTree as ElementTree
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import pykickstart
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import pykickstart.parser
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import pykickstart.version
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def usage(ecode):
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print "Usage: %s [--version=VERSION] COMPS.xml KICKSTART.ks" % (sys.argv[0], )
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print "List packages installed by KICKSTART."
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sys.exit(ecode)
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def main():
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try:
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opts,args = getopt.getopt(sys.argv[1:], 'h', ['help', 'version=', 'debug'])
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except getopt.GetoptError, e:
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usage(1)
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version = None
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debug = False
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for o,a in opts:
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if o in ('-h', '--help'):
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usage(0)
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elif o in ('--debug', ):
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debug = True
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elif o in ('--version', ):
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version = a
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if len(args) != 2:
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usage(1)
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comps_filename = args[0]
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kickstart_filename = args[1]
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if version:
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version_cls = pykickstart.version.stringToVersion(version)
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else:
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version_cls = pykickstart.version.makeVersion()
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comps = ElementTree.parse(comps_filename)
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# pykickstart is going to look for files relative to
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# the current directory of the kickstart file
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working_directory = os.path.dirname(kickstart_filename)
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if working_directory:
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os.chdir(working_directory)
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parser = pykickstart.parser.KickstartParser(version_cls)
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parser.readKickstart(kickstart_filename)
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comps_groups = comps.findall('group')
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packages_for_group = {}
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for group in comps_groups:
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group_id = group.find('id')
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assert group_id is not None
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pkglist_node = group.find('packagelist')
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assert pkglist_node is not None
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reqs = pkglist_node.findall('packagereq')
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pkglist = []
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for req in reqs:
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if req.attrib['type'] in ('default', 'mandatory'):
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pkglist.append(req.text)
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packages_for_group[group_id.text] = pkglist
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pkg_list = set()
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for group in parser.handler.packages.groupList:
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if debug:
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print >>sys.stderr, "# Including %d packages from group %r" % (len(packages_for_group[group.name]), group.name)
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for pkg in packages_for_group[group.name]:
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pkg_list.add(pkg)
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if debug:
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print >>sys.stderr, "# Adding %d explicitly specified packages" % (len(parser.handler.packages.packageList), )
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for pkg in parser.handler.packages.packageList:
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pkg_list.add(pkg)
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if debug:
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print >>sys.stderr, "# Processing %d explicitly excluded packages" % (len(parser.handler.packages.excludedList), )
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for pkg in parser.handler.packages.excludedList:
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if pkg in pkg_list:
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pkg_list.remove(pkg)
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for pkg in sorted(pkg_list):
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print "%s" % (pkg, )
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sys.exit(0)
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if __name__ == '__main__':
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main()
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