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#!/bin/env python
#
# Copyright(c) 2005, Thomas Matthijs <axxo@gentoo.org>
# Copyright(c) 2005, Gentoo Foundation
#
# Licensed under the GNU General Public License, v2
#
# $Header: /var/cvsroot/gentoo-src/javatoolkit/src/bsfix/class-version-verify.py,v 1.2 2005/07/19 10:35:18 axxo Exp $
import os,sys
from os.path import join, getsize
from struct import unpack
from optparse import OptionParser, make_option
from zipfile import ZipFile
class cvv:
def __init__(self, target):
self.target = target
self.good = []
self.bad = []
def add(self, version, jar, file):
if version <= self.target:
self.good.append(("1."+str(version), jar, file))
else:
self.bad.append(("1."+str(version), jar, file))
def do_class(self,filename):
classFile = file(filename,"rb")
classFile.seek(4)
temp = classFile.read(4)
#(version,) = unpack('>i',temp)
(version,) = unpack('>xxh',temp)
version-=44
self.add(version, None, filename)
def do_jar(self, filename):
zipfile = ZipFile(filename, 'r')
for file in zipfile.namelist():
if file.endswith('class'):
classFile = zipfile.read(file)
(version,) = unpack('>h',classFile[6:8])
version-=44
self.add(version, filename, file)
def do_file(self, filename):
if not os.path.islink(filename):
if filename.endswith(".class"):
self.do_class(filename)
if filename.endswith(".jar"):
self.do_jar(filename)
if __name__ == '__main__':
options_list = [
make_option ("-r", "--recurse", action="store_true", dest="deep", default=False, help="go into dirs"),
make_option ("-t", "--target", type="string", dest="version", help="target version that is valid"),
make_option ("-v", "--verbose", action="store_true", dest="verbose", default=False, help="Print version of every calss"),
make_option ("-s", "--silent", action="store_true", dest="silent", default=False, help="No output"),
make_option ("-f", "--file-only", action="store_true", dest="file_only", default=False, help="Only output the files"),
]
parser = OptionParser("%prog -t version [-r] [-v] [-s] <class/jar files or dir>", options_list)
(options, args) = parser.parse_args()
if not options.version:
print "-t is mandatory"
sys.exit(2)
options.version = int(options.version.split(".")[-1])
cvv = cvv(options.version)
for arg in args:
if os.path.isfile(arg):
cvv.do_file(arg)
if options.deep and os.path.isdir(arg):
for root, dirs, files in os.walk(arg):
for filename in files:
cvv.do_file("%s/%s" % (root, filename))
if options.file_only:
lst = set([set[1] for set in cvv.bad])
for i in lst:
print i
else:
if options.verbose:
for set in cvv.good:
print "Good: %s %s %s" % set
if not options.silent:
for set in cvv.bad:
print "Bad: %s %s %s" % set
print "CVV: %s\nChecked: %i Good: %i Bad: %i" % (options.version, len(cvv.good)+len(cvv.bad) , len(cvv.good), len(cvv.bad))
if len(cvv.bad) > 0:
sys.exit(1)
else:
sys.exit(0)
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