AttributeError: 'NoneType' object has no attribute 'perm'

[Markus Heberling <markus@…>]

From the trac bug database:

See ​trac:ticket:6061 for more information.

How to Reproduce

While doing a GET operation on /build, Trac issued an internal error.

(please provide additional details here)

This is with bitten 0.6dev-r502. Don't know if its a bitten or a trac issue.

System Information

Trac	0.11dev-r6021
Python	2.5.1c1 (release25-maint, Apr 12 2007, 20:57:14) [GCC 4.1.2 (Ubuntu 4.1.2-0ubuntu4)]
setuptools	0.6c5
SQLite	3.3.13
pysqlite	2.3.2
Genshi	0.4.4
Pygments	None
Subversion	1.4.3 (r23084)

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/Trac-0.11dev_r6021-py2.5.egg/trac/web/main.py", line 381, in dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.5/site-packages/Trac-0.11dev_r6021-py2.5.egg/trac/web/main.py", line 191, in dispatch
    resp = chosen_handler.process_request(req)
  File "/usr/lib/python2.5/site-packages/Bitten-0.6dev_r502-py2.5.egg/bitten/web_ui.py", line 128, in process_request
    self._render_overview(req)
  File "/usr/lib/python2.5/site-packages/Bitten-0.6dev_r502-py2.5.egg/bitten/web_ui.py", line 171, in _render_overview
    shorten_line(chgset.message), self.env)
  File "/usr/lib/python2.5/site-packages/Trac-0.11dev_r6021-py2.5.egg/trac/wiki/formatter.py", line 1052, in wiki_to_oneliner
    OneLinerFormatter(ctx).format(wikitext, out, shorten)
  File "/usr/lib/python2.5/site-packages/Trac-0.11dev_r6021-py2.5.egg/trac/wiki/formatter.py", line 881, in format
    result = re.sub(self.wikiparser.rules, self.replace, result)
  File "re.py", line 142, in sub
    return _compile(pattern, 0).sub(repl, string, count)
  File "/usr/lib/python2.5/site-packages/Trac-0.11dev_r6021-py2.5.egg/trac/wiki/formatter.py", line 735, in replace
    replacement = self.handle_match(fullmatch)
  File "/usr/lib/python2.5/site-packages/Trac-0.11dev_r6021-py2.5.egg/trac/wiki/formatter.py", line 728, in handle_match
    return external_handler(self, match, fullmatch)
  File "/usr/lib/python2.5/site-packages/Trac-0.11dev_r6021-py2.5.egg/trac/wiki/api.py", line 309, in wikipagename_link
    self.ignore_missing_pages)
  File "/usr/lib/python2.5/site-packages/Trac-0.11dev_r6021-py2.5.egg/trac/wiki/api.py", line 345, in format_link
    if 'WIKI_VIEW' not in req.perm(context):
AttributeError: 'NoneType' object has no attribute 'perm'

[cmlenz]

Duplicate submission, see #191