clean squashed restructuring branch. #455

python/web/start.sh

@@ -0,0 +1,109 @@
+#!/usr/bin/env bash
+set -e
+# set -x # Uncomment to Debug
+
+cd "$(dirname "$0")"
+# verify packages installed
+ERROR=0
+if ! command -v genisoimage &> /dev/null ; then
+    echo "genisoimage could not be found"
+    echo "Run 'sudo apt install genisoimage' to fix."
+    ERROR=1
+fi
+if ! command -v python3 &> /dev/null ; then
+    echo "python3 could not be found"
+    echo "Run 'sudo apt install python3' to fix."
+    ERROR=1
+fi
+if ! python3 -m venv --help &> /dev/null ; then
+    echo "venv could not be found"
+    echo "Run 'sudo apt install python3-venv' to fix."
+    ERROR=1
+fi
+if ! command -v unzip &> /dev/null ; then
+    echo "unzip could not be found"
+    echo "Run 'sudo apt install unzip' to fix."
+    ERROR=1
+fi
+if [ $ERROR = 1 ] ; then
+    echo
+    echo "Fix errors and re-run ./start.sh"
+    exit 1
+fi
+
+# Test for two known broken venv states
+if test -e venv; then
+    GOOD_VENV=true
+    if ! test -e venv/bin/activate; then
+        GOOD_VENV=false
+    else
+        source venv/bin/activate
+        pip3 list 1> /dev/null
+        test $? -eq 1 && GOOD_VENV=false
+    fi
+    if ! "$GOOD_VENV"; then
+        echo "Deleting bad python venv"
+        sudo rm -rf venv
+    fi
+fi
+
+# Create the venv if it doesn't exist
+if ! test -e venv; then
+    echo "Creating python venv for web server"
+    python3 -m venv venv
+    echo "Activating venv"
+    source venv/bin/activate
+    echo "Installing requirements.txt"
+    pip3 install wheel
+    pip3 install -r requirements.txt
+
+    git rev-parse --is-inside-work-tree &> /dev/null
+    if [[ $? -eq 0 ]]; then
+      git rev-parse HEAD > current
+    fi
+fi
+
+source venv/bin/activate
+
+# Detect if someone updates the git repo - we need to re-run pip3 install.
+set +e
+
+git rev-parse --is-inside-work-tree &> /dev/null
+if [[ $? -eq 0 ]]; then
+    set -e
+    if ! test -e current; then
+        git rev-parse > current
+    elif [ "$(cat current)" != "$(git rev-parse HEAD)" ]; then
+        echo "New version detected, updating libraries from requirements.txt"
+        pip3 install -r requirements.txt
+        git rev-parse HEAD > current
+    fi
+else
+    echo "Warning: Not running from a valid git repository. Will not be able to update the code."
+fi
+set -e
+
+pybabel compile -d src/translations
+
+# parse arguments
+while [ "$1" != "" ]; do
+    PARAM=$(echo "$1" | awk -F= '{print $1}')
+    VALUE=$(echo "$1" | awk -F= '{print $2}')
+    case $PARAM in
+	-p | --port)
+	    PORT="--port $VALUE"
+	    ;;
+	-P | --password)
+	    PASSWORD="--password $VALUE"
+	    ;;
+        *)
+            echo "ERROR: unknown parameter \"$PARAM\""
+            exit 1
+            ;;
+    esac
+    shift
+done
+
+echo "Starting web server for RaSCSI Web Interface..."
+cd src
+python3 web.py ${PORT} ${PASSWORD}