Multiple bugfixes + create_instance.sh script update

- Add an update feature to create_instance.sh script
- Updated webui plugin load instruction (running loader.start() in run)
- Updated the way EmCmponents handles EmGroup
- Updated the way EmFields handles EmClass
- Updated xmlfile translator according to EmComponent modification

scripts/create_instance.sh

@@ -1,10 +1,18 @@
 #!/bin/bash
 
 usage() {
-	echo "Usage : $0 instance_name instance_dir [lodel_libdir]" 1>&2
+	echo -e "Usage : $0 instance_name (instance_dir|-u) [lodel_libdir]" 1>&2
+	echo -e "\n\tIf -u given as first argument update instance's loader.py" 1>&2
 	exit 1
 }
 
+cp_loader() {
+	cp -Rv $libdir/install/loader.py $instdir/
+	# Adding lib path to loader
+	sed -i -E "s#^(LODEL2_LIB_ABS_PATH = )None#\1'$libdir'#" "$loader"
+}
+
+
 if [ $# -lt 2 ]
 then
 	echo "Not enough arguments" 1>&2
@@ -12,6 +20,7 @@ then
 fi
 
 
+
 name="$1"
 instdir="$2"
 
@@ -21,6 +30,13 @@ libdir="${libdir:=$(realpath $(dirname $0)/..)}/"
 loader="$instdir/loader.py"
 conf="$instdir/conf.d/lodel2.ini"
 
+if [ $1 = '-u' ]
+then
+	#Update instance
+	cp_loader
+	exit 0
+fi
+
 if [ -e "$instdir" ]
 then
 	echo "Abording... "$instdir" exists" 1>&2
@@ -34,19 +50,15 @@ chmod 700 "$instdir/sessions"
 
 #cp -Rv $libdir/install/* $instdir
 cp -Rv $libdir/install/conf.d $instdir/
-cp -Rv $libdir/install/loader.py $instdir/
 cp -Rv $libdir/examples/em_test.pickle $instdir/editorial_model.pickle
 ln -sv $libdir/install/Makefile $instdir/Makefile
 ln -sv $libdir/install/lodel_admin.py $instdir/lodel_admin.py
 ln -sv $libdir/plugins $instdir/plugins
-
-
-
-# Adding lib path to loader
-sed -i -E "s#^(LODEL2_LIB_ABS_PATH = )None#\1'$libdir'#" "$loader"
+cp_loader
 # Adding instance name to conf
 sed -i -E "s#^sitename = noname#sitename = $name#" "$conf"
 
+
 echo -e "\nInstance successfully created in $instdir"
 echo -e "============================\n"
 echo "Now you should edit files in '${instdir}/conf.d/' and then run : cd $instdir && make dyncode"