Hi,
some people seem to have had this issue, but i couldn't find a
solution for it.
My setup is:
- i installed virtualenv and pip on an ubuntu server
- created a new virtual environment (python 2.5)
- there i installed babel, genshi and trac in this order
- then i created a trac-environment
- integrated the thing in my apache using mod_wsgi
The result is:
- tracd runs fine
- when visiting from apache, i get the error "AttributeError: Cannot
find an implementation of the "IRequestHandler" interface named
"WikiModule"."
On this list i found someone having the same problem, kind of a
solution was to copy lots of imports of trac modules into the wsgi
script. I tried this to, and it did have some effect (the error
message disappears, and trac works somehow), but still the
installation does not work as expected (plugins do not work at all).
my wsgi-handler looks like:
-----------------------------------
import os
import sys
import site
site.addsitedir('/.../trac/py-env/lib/python2.5/site-packages')
os.environ['TRAC_ENV'] = '/.../trac/trac-env'
os.environ['PYTHON_EGG_CACHE'] = '/.../trac/trac-env/eggs'
if False: # when i switch here to True, things work somehow, but not
correctly
from trac.db import sqlite_backend
from trac.mimeview import rst
from trac.ticket import query
from trac.ticket import report
from trac.versioncontrol import svn_fs
from trac.web import auth
from trac.wiki import macros
from trac import about
from trac import attachment
from trac.admin import web_ui
from trac.prefs import web_ui
from trac.search import web_ui
from trac.ticket import web_ui
from trac.timeline import web_ui
from trac.versioncontrol import web_ui
from trac.wiki import web_ui
from acct_mgr.web_ui import *
import trac.web.main
application = trac.web.main.dispatch_request
---------------------------------------
my httpd.conf entry looks like:
---------------------------------------
<VirtualHost ...:80>
ServerName ...:80
Alias /chrome/site /.../trac/trac-resources/site
Alias /chrome/common /.../trac/trac-resources/common
WSGIScriptAlias / /.../trac/handler.wsgi
<Directory /.../trac/trac-resources>
Order allow,deny
Allow from all
</Directory>
<Directory /.../trac/py-env>
WSGIApplicationGroup %{GLOBAL}
Order deny,allow
Allow from all
</Directory>
<Location '/'>
AuthType Basic
AuthName "Trac"
AuthUserFile /.../trac/trac-env/htpasswd
Require valid-user
</Location>
</VirtualHost>
-------------------------------------
at the moments everything is owned by www-data, the user my apache is
running with.
Does anybody have an idea how to get over this problem? What
information do i have to provide, to get closer to the root of the
problem?
Kind regards,
Janosch
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