Simmple script to compare sets of flags on Qemu cpudef config files

emu-cpudef-flags-compare.py

#!/usr/bin/env python
# simple script to compare sets of flags on Qemu cpudef config files
# Author: Eduardo Habkost <ehabkost@redhat.com>

import sys
import ConfigParser

files = sys.argv[1:]

setlists = []
for fn in files:
    sets = []
    f = open(fn, 'r')
    for l in f.readlines():
        nc = l.split('#',1)[0]
        parts = nc.split('=', 1)
        if len(parts) > 1 and parts[1]:
            n = parts[0]
            p1 = parts[1]
            p1 = p1.strip().strip('"')
            s = set(p1.split())
            sets.append( (n,s) )
        else:
            print 'ignoring: %r' % (l)
    setlists.append(sets)

if len(setlists[0]) <> len(setlists[1]):
    print 'not OK (size)'
    print repr(setlists[0])
    print repr(setlists[1])
    sys.exit(1)

lastname = None
ok = True
for (na,a),(nb,b) in zip(setlists[0], setlists[1]):
    if na.strip().startswith('name'):
        lastname = a
    if a <> b:
        print 'not OK:'
        print na,nb
        print repr(sorted(a))
        print repr(sorted(b))
        print lastname
        ok = False

if ok:
    print 'OK!'