Exception in post_process_request

[Ryan J Ollos]

From the logs:

2016-02-01 20:04:18,818 Trac[main] ERROR: Exception caught while post-processing request:
Traceback (most recent call last):
  File "/var/www/bugs.jquery.com/private/pve/local/lib/python2.7/site-packages/trac/web/main.py", line 277, in dispatch
    self._post_process_request(req)
  File "/var/www/bugs.jquery.com/private/pve/local/lib/python2.7/site-packages/trac/web/main.py", line 390, in _post_process_request
    f.post_process_request(req, *(None,)*extra_arg_count)
  File "/var/www/bugs.jquery.com/private/pve/local/lib/python2.7/site-packages/simpleticket/web_ui.py", line 38, in post_process_request
    if req.path_info.startswith('/newticket') and \
  File "/var/www/bugs.jquery.com/private/pve/local/lib/python2.7/site-packages/trac/web/api.py", line 382, in path_info
    path_info=path_info))
HTTPNotFound: 404 Not Found (Invalid URL encoding (was '/ticket/7212\xef\xbc\xc3\x83\xc2\xaf\xc3\x82\xc2\xbf\xc3\x82\xc2\xbd'))

[Ryan J Ollos]

See also #12486, #12431. Fix is likely to be similar to [14942].

[Ryan J Ollos]

Reproduced with /ticket/1%EF%BC%C3%83%C2%AF%C3%82%C2%BF%C3%82%C2%BD.

>>> import urllib
>>> urllib.quote('\xef\xbc\xc3\x83\xc2\xaf\xc3\x82\xc2\xbf\xc3\x82\xc2\xbd')
'%EF%BC%C3%83%C2%AF%C3%82%C2%BF%C3%82%C2%BD'

[Ryan J Ollos]

In 15196:

5.0dev: Skip post_process_request during exception handling

Fixes #12659.