adding untracked files

controller/state/server.py

@@ -0,0 +1,33 @@
+import json
+import requests
+
+
+class Server(object):
+    "Gets state from server and sends it to the server after change"
+    def __init__(self, url_base=None, controller_id=None):
+        self.url_base = url_base
+        self.controller_id = controller_id
+
+    def get_state(self):
+        result = requests.get(self.full_url('state/%s') % self.controller_id)
+        return handle_response(result)
+
+    def post_state(self, local_state):
+        result = requests.post(self.full_url('state/%s') % self.controller_id, local_state)
+        return handle_response(result)
+
+
+
+    def full_url(self, action):
+        if self.controller_id is None:
+            raise ClassNotReadyException("Controller id not set!")
+        if self.url_base is None:
+            raise ClassNotReadyException("URL base not set!")
+        return self.url_base + '/' + action
+
+
+def handle_response(response):
+    if response.status_code != 200:
+        raise ErrorCommunicatingWithServerException("Response not 200!")
+    else:
+        return response.json()