Add virtualenv for running PiPot (#11)

Closes PiPot/PiPot#7.

bin/pipotd

@@ -15,6 +15,7 @@ function usage() {
 
 export PYTHONPATH="${PYTHONPATH}:${DIR}/../"
 if [ "${cmd}" == "--start" ]; then
+    source /usr/src/pipot/pipot-env/bin/activate
     twistd -y "${DIR}/pipot.tac" --pidfile "${PIDFILE}" --syslog --prefix=pipotd
     python "${DIR}/bootstrap_gunicorn.py" "${DIR}/../" "${PIDFILE2}"
 elif [ "${cmd}" == "--stop" ]; then

install/install.sh

@@ -18,14 +18,26 @@ 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 >> "$install_log" 2>&1
+
 if [[ "$OSTYPE" == "linux-gnu" ]]; then
     apt-get -q -y install build-essential libffi-dev libssl-dev >> "$install_log" 2>&1
 fi
 if [ ! -f /etc/init.d/mysql* ]; then
     echo "* Installing MySQL (root password will be empty!)"
     DEBIAN_FRONTEND=noninteractive apt-get install -y mysql-server >> "$install_log" 2>&1
 fi
+virtualenv_name="/usr/src/pipot/pipot-env"
+# 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 $virtualenv_name/bin/activate
+
 echo "* Update setuptools            "
 pip install --upgrade setuptools  >> "$install_log" 2>&1
 echo "* Installing pip dependencies"

install/pipot

@@ -6,6 +6,7 @@ case "${1}" in
     start)
         echo "Starting PiPot daemon..."
         cd /usr/src/pipot/server
+        source /usr/src/pipot/pipot-env/bin/activate
         bin/pipotd --start
         ;;
     stop)
@@ -18,4 +19,4 @@ case "${1}" in
         ;;
 esac
 
-exit 0
+exit 0