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#!/usr/bin/env python3.1
import datetime, http.cookiejar, optparse, os, sys, shelve, re, urllib.request
parser = optparse.OptionParser()
parser.add_option('-v', '--verbose', action = 'store_true', dest = 'verbose', help = 'turns on verbose status notifications', metavar = 'bool', default = False)
parser.add_option('-d', '--dir', action = 'store', dest = 'dir', help = 'specify directory where the files should be stored', metavar = 'string', default = None)
parser.add_option('-r', '--root', action = 'store', dest = 'root', help = 'specify a site from which data should be mirrored', metavar = 'string', default = None)
parser.add_option('-l', '--log', action = 'store', dest = 'log', help = 'specify a log file to process', metavar = 'string', default = None)
parser.add_option('-e', '--skip-etag', action = 'store_true', dest = 'noetag', help = 'do not process etags', metavar = 'bool', default = False)
(options, args) = parser.parse_args()
if not options.dir:
print('Directory not specified')
exit(1)
if not options.root:
print('Server not specified')
exit(1)
if not options.log:
print('Log file not specified')
exit(1)
if not os.access(options.log, os.R_OK):
print('Log file unreadable')
exit(1)
desc_fields = ('Content-Length', 'ETag', 'Pragma', 'Last-Modified')
ignore_fields = ('Accept-Ranges', 'Age', 'Cache-Control', 'Connection', 'Content-Type', 'Date', 'Expires', 'Server', 'Via', 'X-Cache', 'X-Cache-Lookup')
desc_fields = ('Content-Length', 'Pragma', 'Last-Modified')
ignore_fields = ('Accept-Ranges', 'Age', 'Cache-Control', 'Connection', 'Content-Type', 'Date', 'Expires', 'Server', 'Via', 'X-Cache', 'X-Cache-Lookup', 'X-Powered-By')
if not options.noetag:
desc_fields += 'ETag',
else:
ignore_fields += 'ETag',
block_size = 32768
while True:
unchecked_files = set()
checked_files = 0
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less_keys = old_keys - set(new_headers.keys())
if len(more_keys) > 0:
if not len(old_keys) == 0:
print('More headers appear:', more_keys)
reload = True
elif len(less_keys) > 0:
print('Less headers appear:', less_keys)
reload = True
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