uploader.py crashes if archive.org returns 503 error to metadata query

[GoogleCodeExporter]

Traceback (most recent call last):
  File "uploader.py", line 300, in <module>
    main()
  File "uploader.py", line 297, in main
    upload(wikis, config)
  File "uploader.py", line 143, in upload
    if urllib2.urlopen(itemdata).read() == '{}':
  File "/usr/lib/python2.6/urllib2.py", line 126, in urlopen
    return _opener.open(url, data, timeout)
  File "/usr/lib/python2.6/urllib2.py", line 397, in open
    response = meth(req, response)
  File "/usr/lib/python2.6/urllib2.py", line 510, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib/python2.6/urllib2.py", line 435, in error
    return self._call_chain(*args)
  File "/usr/lib/python2.6/urllib2.py", line 369, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.6/urllib2.py", line 518, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
urllib2.HTTPError: HTTP Error 503: Service Temporarily Unavailable

Original issue reported on code.google.com by [email protected] on 4 Feb 2014 at 10:24