json

main.py

@@ -1,14 +1,14 @@
 #!/usr/bin/python3
 
 from bottle import run, route, request, template,get ,post
-import libvirt
+import libvirt, json
 session = libvirt.open('qemu:///system')
 
 def listVDS():
     VdsListVar = list()
     for domain in session.listAllDomains(0):
         VdsListVar.append(dict(name=domain.name(),state=domain.isActive()))
-    return VdsListVar
+    return json.dumps(VdsListVar)
 
 @route('/')
 def index():