Hello,
I am attempting to set up Trac using a virtualenv under mod_wsgi on Apache
2.4.41.
I've run into a problem where I cannot get the Python script to run under
the Python2.7 interpreter from the virtualenv.
I am able to run Trac independent of Apache/WSGI so I think the problem
lies in the WSGI configuration.
The paths referrred to below are:
/var/www/trac1.4 - Trac project environment
/var/www/trac1.4-venv - Python2.7 virtualenv with "trac" module installed
via pip
Apache config:
------
WSGIPythonHome /var/www/trac1.4-venv
<VirtualHost *:80>
ServerName trac.mydomain
ServerAdmin webmaster@mydomain
DocumentRoot /var/www/trac1.4/htdocs/
WSGIDaemonProcess trac python-home=/var/www/trac1.4-venv
WSGIScriptAlias / /var/www/trac1.4/site/cgi-bin/trac.wsgi
WSGIProcessGroup trac
WSGIApplicationGroup %{GLOBAL}
</VirtualHost>
-------
The trac.wsgi script:
---------------
#!/var/www/trac1.4-venv/bin/python2.7
# -*- coding: utf-8 -*-
import os
import sys
# for testing:
print('sys.prefix = %s' % repr(sys.prefix))
print('sys.path = %s' % repr(sys.path))
print('sys.executable = %s' % (sys.executable))
print('sys.version_info = %s.%s.%s' % (sys.version_info[0:3]))
def application(environ, start_request):
if not 'trac.env_parent_dir' in environ:
environ.setdefault('trac.env_path', '/var/www/trac1.4')
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_parent_dir' in environ:
os.environ['PYTHON_EGG_CACHE'] = \
os.path.join(environ['trac.env_parent_dir'], '.egg-cache')
from trac.web.main import dispatch_request
return dispatch_request(environ, start_request)
---------------
Note what is logged when the script runs. Python V3.8.10 is the interpreter
being used.
-----------------
[Tue Mar 22 12:32:40.155975 2022] [wsgi:error] [pid 1756932] sys.prefix
= '/var/www/trac1.4-venv'
[Tue Mar 22 12:32:40.156044 2022] [wsgi:error] [pid 1756932] sys.path
= ['/usr/lib/python38.zip', '/usr/lib/python3.8',
'/usr/lib/python3.8/lib-dynload']
[Tue Mar 22 12:32:40.156072 2022] [wsgi:error] [pid 1756932] sys.executable
= /var/www/trac1.4-venv/bin/python
[Tue Mar 22 12:32:40.156100 2022] [wsgi:error] [pid 1756932]
sys.version_info = 3.8.10
[Tue Mar 22 12:32:40.156527 2022] [wsgi:error] [pid 1756932] [remote
10.130.176.220:48756] mod_wsgi (pid=1756932): Exception occurred processing
WSGI script '/var/www/trac1.4/site/cgi-bin/trac.wsgi'.
[Tue Mar 22 12:32:40.165606 2022] [wsgi:error] [pid 1756932] [remote
10.130.176.220:48756] Traceback (most recent call last):
[Tue Mar 22 12:32:40.165667 2022] [wsgi:error] [pid 1756932] [remote
10.130.176.220:48756] File "/var/www/trac1.4/site/cgi-bin/trac.wsgi",
line 30, in application
[Tue Mar 22 12:32:40.165682 2022] [wsgi:error] [pid 1756932] [remote
10.130.176.220:48756] from trac.web.main import dispatch_request
[Tue Mar 22 12:32:40.165756 2022] [wsgi:error] [pid 1756932] [remote
10.130.176.220:48756] ModuleNotFoundError: No module named 'trac'
-----------------
The virtualenv IS python2.7:
--------
me@rudin:~$ . /var/www/trac1.4-venv/bin/activate
(trac1.4-venv) me@rudin:~$ python -V
Python 2.7.18
--------
I'd really appreciate it if you could show me what I'm doing wrong.
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