Dynamically use a compatible Python version. #17

engine-core.py

-#!/usr/bin/env python3.7
+#!/bin/sh
+''''which python3.8 >/dev/null 2>&1 && exec python3.8 "$0" "$@"     # '''
+''''which python3.7  >/dev/null 2>&1 && exec python3.7  "$0" "$@"   # '''
+''''exec echo "Error: Snaaakey Python, where are you?"                # '''
 
 #
 # Aura Engine (https://gitlab.servus.at/aura/engine)

guru.py

-#!/usr/bin/env python3.7
+#!/bin/sh
+''''which python3.8 >/dev/null 2>&1 && exec python3.8 "$0" "$@"     # '''
+''''which python3.7  >/dev/null 2>&1 && exec python3.7  "$0" "$@"   # '''
+''''exec echo "Error: Snaaakey Python, where are you?"                # '''
 
 #
 # Aura Engine (https://gitlab.servus.at/aura/engine)

install.sh

@@ -13,6 +13,15 @@ if [ $mode == "prod" ]; then
     echo "[Installing AURA ENGINE for Production]"
 fi
 
+# Find the correct Python version (3.7 or 3.8)
+
+if hash python3.8 2>/dev/null; then
+	PYTHON_EXEC="python3.8"
+	echo "[ Using Python 3.8 ]"
+else
+	PYTHON_EXEC="python3.7"
+	echo "[ Using Python 3.7 ]"
+fi
 
 # Development and Production
 
@@ -20,7 +29,7 @@ echo "Installing OPAM Packages ..."
 bash script/install-opam-packages.sh
 
 echo "Installing Python Requirements ..."
-python3.7 $(which pip3) install -r requirements.txt
+$PYTHON_EXEC $(which pip3) install -r requirements.txt
 
 
 # Development 

run.sh

@@ -32,6 +32,16 @@ echo "[ Run mode=$mode ]"
 echo "[ Docker=$docker ]"
 
 
+# Find the correct Python version (3.7 or 3.8)
+
+if hash python3.8 2>/dev/null; then
+	PYTHON_EXEC="python3.8"
+	echo "[ Using Python 3.8 ]"
+else
+	PYTHON_EXEC="python3.7"
+	echo "[ Using Python 3.7 ]"
+fi
+
 
 # +++ DEFAULT COMMANDS +++ #
 
@@ -48,26 +58,26 @@ if [[ $docker == "false" ]]; then
 
 	if [[ $mode == "engine" ]]; then
 		eval $(opam env)
-		/usr/bin/env python3.7 engine-core.py
+		/usr/bin/env $PYTHON_EXEC engine-core.py
 	fi
 
 	### Runs Engine Core only ###
 
 	if [[ $mode == "core" ]]; then
-		/usr/bin/env python3.7 engine-core.py --without-lqs
+		/usr/bin/env $PYTHON_EXEC engine-core.py --without-lqs
 	fi
 
 	### Runs Liquidsoap only ###
 
 	if [[ $mode == "lqs" ]]; then
-		lqs=$(/usr/bin/env python3.7 engine-core.py --get-lqs-command)
+		lqs=$(/usr/bin/env $PYTHON_EXEC engine-core.py --get-lqs-command)
 		eval "$lqs"
 	fi
 
 	### CAUTION: This deletes everything in your database ###
 
 	if [[ $mode == "recreate-database" ]]; then
-		/usr/bin/env python3.7 engine-core.py --recreate-database
+		/usr/bin/env $PYTHON_EXEC engine-core.py --recreate-database
 	fi
 
 fi
@@ -87,7 +97,7 @@ if [[ $docker == "true" ]]; then
 			--rm -d \
 			-u $UID:$GID \
 			-v "$BASE_D":/srv \
-			-v "$BASE_D/audio/source":/home/opam/audio/source:ro \
+			-v "$BASE_D/audio/source":/var/audio/source:ro \
 			-v "$BASE_D/configuration/docker":/etc/aura \
 			-v "/dev/snd":/dev/snd \
 			--privileged \

test/tests.py

-#!/usr/bin/python3.7
+#!/bin/sh
+''''which python3.8 >/dev/null 2>&1 && exec python3.8 "$0" "$@"     # '''
+''''which python3.7  >/dev/null 2>&1 && exec python3.7  "$0" "$@"   # '''
+''''exec echo "Error: Snaaakey Python, where are you?"                # '''
 
 #
 # Aura Engine (https://gitlab.servus.at/aura/engine)