Creating Virtual Environments for different Tryton installations

#!/bin/bash 
version=2.4 #you can choose from 2.4,2.6 or 2.7
#In case you want to work with 2.6, delete the trytond_health module (from modules folder and local/lib/python2.7/site-packages/ folder)
sudo apt-get -y --force-yes install python-setuptools python-pip libxml2-dev libxslt1-dev python-gtk2 python-dev

#choose which backend to use, for testing go for sqlite
#sudo apt-get -y install libpq-dev #postgresql
sudo apt-get -y install sqlite3 libsqlite3-dev # sqlite

sudo pip install virtualenv
sudo pip install --upgrade pytz
mkdir -p ~/workspace/tryton$version/db
mkdir -p ~/workspace/tryton/log
cp trytond.conf ~/workspace/tryton$version/ #Download trytond.conf from the attachment.
cd ~/workspace/tryton$version
virtualenv --system-site-packages env
source env/bin/activate
ln -s env/lib/python$version/site-packages/trytond/modules .
if [ "$version" = "2.4" ]
then
 pip install --upgrade http://downloads2.tryton.org/2.4/tryton-2.4.2.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.4/trytond-2.4.3.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.4/trytond_account-2.4.3.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.4/trytond_company-2.4.0.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.4/trytond_country-2.4.0.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.4/trytond_currency-2.4.0.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.4/trytond_product-2.4.1.tar.gz
 #Copy the auroville modules into the modules folder
 
elif [ "$version" = "2.6" ] 
then
 pip install --upgrade http://downloads2.tryton.org/2.6/tryton-2.6.0.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.6/trytond-2.6.1.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.6/trytond_account-2.6.1.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.6/trytond_company-2.6.0.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.6/trytond_country-2.6.0.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.6/trytond_currency-2.6.1.tar.gz
 pip install --upgrade http://downloads2.tryton.org/2.6/trytond_product-2.6.0.tar.gz
 
elif [ "$version" = "2.7" ] #from Mercurial repository
then
 #Read this http://code.google.com/p/tryton/wiki/HowtoContribute
 #http://code.google.com/p/tryton/wiki/InstallationMercurial
 sudo apt-get install mercurial
 hg clone http://hg.tryton.org/tryton/
 #Download the mercurial extensions
 #Get the hgnested from trunk (mercurial)
 mkdir downloads
 cd downloads
 hg clone https://code.google.com/p/hgnested/
 
 pip install --upgrade hgreview
 cat<<EOF >> ~/.hgrc
[extensions]
hgnested = ~/workspace/tryton2.7/downloads/hgnested-trunk/hgnested
hgreview = 
[review]
server = http://codereview.tryton.org
send_email = True
EOF
 cd ~/workspace/tryton$version/
 hg nclone http://hg.tryton.org/trytond/
 #Install Tryton and Trytond in virtual environment
 cd ~/workspace/tryton$version/tryton/
 python setup.py install
 cd ~/workspace/tryton$version/trytond/
 python setup.py install
 ln -s env/local/lib/python2.7/site-packages/trytond-2.7.0-py2.7.egg/trytond/modules .
else
 echo 'Wrong Version number'
 exit 1 
fi
touch db/tryton.sqlite #the db file needs to exist to initialize it
trytond -c trytond.conf -d tryton --init=all #Initialize all the current modules of trytond
#we create some launcher trytond/tryton at the same time
cat<<EOF > tryton.sh
#!/bin/bash
source env/bin/activate
trytond -c trytond.conf &
tryton
killall trytond
EOF
chmod +x ~/workspace/tryton$version/tryton.sh
mkdir -p ~/.config/tryton/$version/
cat<<EOF > ~/.config/tryton/$version/profiles.cfg 
[DEFAULT]
port = 8000
[local]
host = localhost
port = 8000
database = tryton
username = admin
EOF
exit 0