Installing Trac to virtualenv Python

Prerequisite: virtualenv

Install virtualenv to system Python:

pip install virtualenv

Create an virtualenv environment for Trac:

[webadmin@dayabay ~]$ mkdir ve
[webadmin@dayabay ~]$ cd ve
[webadmin@dayabay ve]$ virtualenv --no-site-packages tracs
New python executable in tracs/bin/python
Installing setuptools, pip...done.
[webadmin@dayabay ve]$ ll tracs/
total 20
drwxrwxr-x. 3 webadmin webadmin 4096 Mar 28 12:08 ..
drwxrwxr-x. 3 webadmin webadmin 4096 Mar 28 12:08 lib
drwxrwxr-x. 2 webadmin webadmin 4096 Mar 28 12:08 include
drwxrwxr-x. 5 webadmin webadmin 4096 Mar 28 12:08 .
drwxrwxr-x. 2 webadmin webadmin 4096 Mar 28 12:08 bin
[webadmin@dayabay ve]$

Activate the virtualenv environment:

[webadmin@dayabay ve]$ cd tracs/
[webadmin@dayabay tracs]$ . bin/activate
(tracs)[webadmin@dayabay tracs]$

Note the change in the command prompt after the activation.

Install Trac with tracbuild-auto()

Make sure that the virtualenv environment has already been activated. Then install Trac and relevant packages with:

(tracs)[webadmin@dayabay tracs]$ trac-
(tracs)[webadmin@dayabay tracs]$ tracbuild-
(tracs)[webadmin@dayabay tracs]$ tracbuild-auto

Check the installation:

(tracs)[webadmin@dayabay tracs]$ ll lib/python2.6/site-packages/
total 300
drwxrwxr-x.  4 webadmin webadmin   4096 Mar 28 12:08 ..
-rw-rw-r--.  1 webadmin webadmin    126 Mar 28 12:08 easy_install.py
-rw-rw-r--.  1 webadmin webadmin  99605 Mar 28 12:08 pkg_resources.py
-rw-rw-r--.  1 webadmin webadmin    325 Mar 28 12:08 easy_install.pyc
-rw-rw-r--.  1 webadmin webadmin 108735 Mar 28 12:08 pkg_resources.pyc
drwxrwxr-x.  4 webadmin webadmin   4096 Mar 28 12:08 setuptools
drwxrwxr-x.  2 webadmin webadmin   4096 Mar 28 12:08 _markerlib
drwxrwxr-x.  2 webadmin webadmin   4096 Mar 28 12:08 setuptools-2.2.dist-info
drwxrwxr-x.  6 webadmin webadmin   4096 Mar 28 12:08 pip
drwxrwxr-x.  2 webadmin webadmin   4096 Mar 28 12:08 pip-1.5.4.dist-info
drwxrwxr-x.  4 webadmin webadmin   4096 Apr  1 15:45 Genshi-0.5-py2.6-linux-i686.egg
drwxrwxr-x.  4 webadmin webadmin   4096 Apr  1 15:46 Trac-0.11-py2.6.egg
drwxrwxr-x.  4 webadmin webadmin   4096 Apr  1 15:46 Bitten-0.6dev_r561-py2.6.egg
drwxrwxr-x.  4 webadmin webadmin   4096 Apr  1 15:46 TracAccountManager-0.2.1dev_r3857-py2.6.egg
drwxrwxr-x.  4 webadmin webadmin   4096 Apr  1 15:46 BitExtra-0.0.1-py2.6.egg
drwxrwxr-x.  4 webadmin webadmin   4096 Apr  1 15:46 BittenNotify-0.1dev_r28-py2.6.egg
drwxrwxr-x.  4 webadmin webadmin   4096 Apr  1 15:46 NavAdd-0.1-py2.6.egg
drwxrwxr-x.  4 webadmin webadmin   4096 Apr  1 15:46 Pygments-1.6-py2.6.egg
drwxrwxr-x.  5 webadmin webadmin   4096 Apr  1 15:47 SvnAuthzAdminPlugin-0.1.2._Moved.to.Trac.0.11_-py2.6.egg
drwxrwxr-x.  3 webadmin webadmin   4096 Apr  1 15:47 textile-2.0.11-py2.6.egg
drwxrwxr-x.  4 webadmin webadmin   4096 Apr  1 15:47 TracNav-4.0pre6-py2.6.egg
drwxrwxr-x.  4 webadmin webadmin   4096 Apr  1 15:47 TracTags-0.6-py2.6.egg
-rw-rw-r--.  1 webadmin webadmin    602 Apr  1 15:47 easy-install.pth
drwxrwxr-x. 20 webadmin webadmin   4096 Apr  1 15:47 .
drwxrwxr-x.  4 webadmin webadmin   4096 Apr  1 15:47 TracTocMacro-11.0.0.3-py2.6.egg
(tracs)[webadmin@dayabay tracs]$ ll bin/
total 68
lrwxrwxrwx. 1 webadmin webadmin    6 Mar 28 12:08 python2 -> python
-rwxrwxr-x. 1 webadmin webadmin 6088 Mar 28 12:08 python
lrwxrwxrwx. 1 webadmin webadmin    6 Mar 28 12:08 python2.6 -> python
-rwxrwxr-x. 1 webadmin webadmin  251 Mar 28 12:08 easy_install-2.6
-rwxrwxr-x. 1 webadmin webadmin  251 Mar 28 12:08 easy_install
-rwxrwxr-x. 1 webadmin webadmin  223 Mar 28 12:08 pip2.6
-rwxrwxr-x. 1 webadmin webadmin  223 Mar 28 12:08 pip2
-rwxrwxr-x. 1 webadmin webadmin  223 Mar 28 12:08 pip
-rw-rw-r--. 1 webadmin webadmin 1129 Mar 28 12:08 activate_this.py
-rw-rw-r--. 1 webadmin webadmin 2473 Mar 28 12:08 activate.fish
-rw-rw-r--. 1 webadmin webadmin 1260 Mar 28 12:08 activate.csh
-rw-rw-r--. 1 webadmin webadmin 2204 Mar 28 12:08 activate
-rwxrwxr-x. 1 webadmin webadmin  304 Apr  1 15:46 tracd
-rwxrwxr-x. 1 webadmin webadmin  314 Apr  1 15:46 trac-admin
-rwxrwxr-x. 1 webadmin webadmin  345 Apr  1 15:46 bitten-slave
-rwxrwxr-x. 1 webadmin webadmin  323 Apr  1 15:46 pygmentize
drwxrwxr-x. 2 webadmin webadmin 4096 Apr  1 15:46 .
drwxrwxr-x. 5 webadmin webadmin 4096 Apr  1 15:53 ..
(tracs)[webadmin@dayabay tracs]$

Setup alternative frontend

Follow the instruction in http://trac.edgewall.org/wiki/TracDev/AlternativeFrontends to setup an alternative frontend. In particular, edit /etc/httpd/conf/svnsetup/tracs.conf and change:

PythonPath "sys.path + ['/usr/lib/python2.6/site-packages']"
PythonHandler trac.web.modpython_frontend

to:

PythonPath "['/home/webadmin/ve/tracs/bin'] + sys.path"
PythonHandler virtualtrac

And create a file virtualtrac.py under /home/webadmin/ve/tracs/bin/ with the following contents:

import os
import site
site.addsitedir('/home/webadmin/ve/tracs/lib/python2.6/site-packages')

from trac.web.modpython_frontend import handler

Then start/restart Apache.