instance.__dict__ not accessible in restricted mode

[schst@…]

We are using Trac for several projects and are getting an internal error from time to time. The error can happen on any page and after a reload it may re-appear or is gone.

Python Traceback

Traceback (most recent call last):

File "/var/lib/python-support/python2.4/trac/web/main.py", line 387, in dispatch_request

dispatcher.dispatch(req)

File "/var/lib/python-support/python2.4/trac/web/main.py", line 191, in dispatch

chosen_handler = self._pre_process_request(req, chosen_handler)

File "/var/lib/python-support/python2.4/trac/web/main.py", line 263, in _pre_process_request

chosen_handler = f.pre_process_request(req, chosen_handler)

File "/var/lib/python-support/python2.4/trac/versioncontrol/api.py", line 73, in pre_process_request

self.get_repository(req.authname) # triggers a sync if applicable

File "/var/lib/python-support/python2.4/trac/versioncontrol/api.py", line 101, in get_repository

repos = self._connector.get_repository(rtype, rdir, authname)

File "/var/lib/python-support/python2.4/trac/versioncontrol/svn_fs.py", line 259, in get_repository

repos = SubversionRepository(dir, None, self.log)

File "/var/lib/python-support/python2.4/trac/versioncontrol/svn_fs.py", line 281, in init

self.pool = Pool()

File "/var/lib/python-support/python2.4/trac/versioncontrol/svn_fs.py", line 158, in init

self._pool = core.svn_pool_create(self._parent_pool())

File "/var/lib/python-support/python2.4/svn/core.py", line 177, in svn_pool_create

return Pool(parent_pool)

File "/var/lib/python-support/python2.4/libsvn/core.py", line 1080, in svn_pool_create

return apply(_core.svn_pool_create, args)

File "/var/lib/python-support/python2.4/libsvn/core.py", line 3103, in _wrap

obj.set_parent_pool(self)

File "/var/lib/python-support/python2.4/libsvn/core.py", line 2994, in set_parent_pool

self._parent_pool = parent_pool or application_pool

File "/var/lib/python-support/python2.4/libsvn/core.py", line 2982, in <lambda>

setattr = lambda self, name, value: _swig_setattr(self, apr_pool_t, name, value)

File "/var/lib/python-support/python2.4/libsvn/core.py", line 22, in _swig_setattr

return _swig_setattr_nondynamic(self,class_type,name,value,0)

File "/var/lib/python-support/python2.4/libsvn/core.py", line 17, in _swig_setattr_nondynamic

self.dict[name] = value

RuntimeError: instance.dict not accessible in restricted mode

Example projects are:

• ​http://www.stubbles.net
• ​http://trac.php-tools.net/patTemplate
• ​http://java.schst.net/XJConf

[Jonas Borgström]

Duplicate of #3371.