On Sat, Oct 31, 2009 at 10:17 AM, Graham Dumpleton
<graham.dumple...@gmail.com> wrote:
>
>
>
> On Oct 30, 6:33 pm, Bartosz Broda <bartosz.br...@gmail.com> wrote:
>> Hello Graham,
>>
>> I was reporting the problem with "instance.__dict__ not accessible in
>> restricted mode" inhttp://trac.edgewall.org/ticket/3371#comment:73. I
>> cannot investigate the issue in more details at the moment, as I have
>> a few deadlines approaching. I will try to mirror the configuration
>> in VM environment in next week. If the errors will still occur, then I
>> will be able to provide the vm image for further inspection. Perhaps I
>> did something wrong during the configuration ofmod_wsgifor use with
>> Trac (I followed this guide:http://trac.edgewall.org/wiki/TracModWSGI,
>> but I might have miss some details).
>
> So you never looked at the following?
>
> http://code.google.com/p/modwsgi/wiki/IntegrationWithTrac
I looked there, but the only relevant thing I found concerning
multiple instances of Trac was to run all of the instances in one
python interpreter. But to tell the truth I didn't have enough time to
read modwsgi wiki in depth :(
>
>> PS. In the meantime I can provide some details concerning my
>> configuration - what further info do you need?
>
> The Apache configuration related to mod_wsgi would be best starting
> point.
For every project I have this configuration:
WSGIScriptAlias /trac/PROJECT /var/trac/PROJECT/eggs/cgi-bin/trac.wsgi
<Directory /var/trac/PROJECT/htdocs>
WSGIApplicationGroup %{GLOBAL}
Order deny,allow
Allow from all
</Directory>
The trac.wsgi files are created by trac-admin <env> deploy <dir>, so
it looks like that:
import os
def application(environ, start_request):
if not 'trac.env_path_parent_dir' in environ:
environ.setdefault('trac.env_path', '/var/trac/PROJECT')
if 'PYTHON_EGG_CACHE' in environ:
os.environ['PYTHON_EGG_CACHE'] = environ['PYTHON_EGG_CACHE']
elif 'trac.env_path' in environ:
os.environ['PYTHON_EGG_CACHE'] = os.path.join(environ['trac.env_path'],
'.egg-cache')
elif 'trac.env_path_parent_dir' in environ:
os.environ['PYTHON_EGG_CACHE'] =
os.path.join(environ['trac.env_path_parent_dir'],
'.egg-cache')
from trac.web.main import dispatch_request
return dispatch_request(environ, start_request)
This configuration worked rather well in case of one and two projects.
After that I added another 6 projects it started to throw
RuntimeError. It works with similar configuration using mod_python
(and it is faster then configuration based on modwsgi!).
Another thing to notice is that on the same instance of apache there
is one Django application, tomcat5.5 and a few php sites (including
some soap based web services). Half of the trac instances use mysql
and another half use sqlite.
Best regards,
Bartosz
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