setup virtualenv for server. Fix PiPot/PiPot#7

install/install.sh

@@ -18,11 +18,22 @@ echo ""
 echo "* Updating package list        "
 apt-get update >> "$install_log" 2>&1
 echo "* Installing nginx, python & pip      "
-apt-get -q -y install dnsutils nginx python python-dev python-pip >> "$install_log" 2>&1
+apt-get -q -y install virtualenv dnsutils nginx python python-dev python-pip >> "$install_log" 2>&1
 if [ ! -f /etc/init.d/mysql* ]; then
     echo "* Installing MySQL (root password will be empty!)"
     DEBIAN_FRONTEND=noninteractive apt-get install -y mysql-server >> "$install_log" 2>&1
 fi
+read -e -p "Name of the virtualenv: " -i "" virtualenv_name
+virtualenv_name="/usr/src/pipot/$virtualenv_name"
+# Check if virtulenv has been created
+if [ ! -d $virtualenv_name ]; then
+    echo "* Create virtualenv $virtualenv_name"
+    virtualenv $virtualenv_name
+else
+    echo "* Use virtualenv $virtualenv_name"
+fi
+source $virtualenv_name/bin/activate
+
 echo "* Update setuptools            "
 easy_install -U setuptools >> "$install_log" 2>&1
 echo "* Installing pip dependencies"
@@ -140,3 +151,4 @@ echo ""
 echo "* Starting PiPot..."
 service pipot start
 echo "PiPot installed!"
+deactivate