#! /usr/bin/env python

import md5, os, stat, glob, time

# what files are we going to export?
exports = ['*.py', '*.tar']

def gen_versions(files):
    fh = open('versions', 'w')
    fh.write('# versions - generated at %s\n' % time.strftime('%a, %d %b %Y %H:%M:%S'))
    for file in files:
        info = os.stat(file)
        fh.write('%d %d %s\n' % (info[stat.ST_MTIME], info[stat.ST_SIZE], file))
    fh.close()

def gen_signatures(files):
    fh = open('signatures', 'w')
    fh.write('# signatures - generated at %s\n' % time.strftime('%a, %d %b %Y %H:%M:%S'))
    for file in files:
        sum = md5.md5(open(file).read()).hexdigest()
        fh.write('MD5 (%s) = %s\n' % (file, sum))
    fh.close()

if __name__ == '__main__':
    # index files
    files = []
    for export in exports:
        files += [os.path.basename(x) for x in glob.glob(export)]
    files.sort()
    # export them
    gen_versions(files)
    gen_signatures(files)