exception handling for chromaApp

ChromaPython/ChromaApp.py

@@ -6,42 +6,50 @@
 
 class ChromaApp:
     def __init__(self, Info: ChromaAppInfo):
+        url = 'http://localhost:54235/razer/chromasdk'
+        data = {
+            "title": Info.Title,
+            "description": Info.Description,
+            "author": {
+                "name": Info.DeveloperName,
+                "contact": Info.DeveloperContact
+            },
+            "device_supported": Info.SupportedDevices,
+            "category": Info.Category
+        }
         try:
-            url = 'http://localhost:54235/razer/chromasdk'
-
-            data = {
-                "title": Info.Title,
-                "description": Info.Description,
-                "author": {
-                    "name": Info.DeveloperName,
-                    "contact": Info.DeveloperContact
-                },
-                "device_supported": Info.SupportedDevices,
-                "category": Info.Category
-            }
             response = requests.post(url=url, json=data)
-            self.SessionID, self.URI = response.json()['sessionid'], response.json()['uri']
-            self.heartbeat = Heartbeat(self.URI)
-            self.Keyboard = Keyboard(self.URI)
-            self.Mouse = Mouse(self.URI)
-            self.Mousepad = Mousepad(self.URI)
-            self.Headset = Headset(self.URI)
-            self.ChromaLink = ChromaLink(self.URI)
-            self.BcaHandler = ChromaBcaHandler()
-        except:
-            # TODO Add proper exception handling
-            print('Unexpected Error!')
-            raise
+        except Exception as err:
+            print('Can\'nt connect to ' + str(url) + '.\nError:' + str(err))
+            exit(1)
+        response_json = response.json()
+        try:
+            self.SessionID, self.URI = response_json['sessionid'], response_json['uri']
+        except KeyError as err:
+            print('Missing sessionid or uri from response.\nError:' + str(err))
+            exit(1)
+        self.heartbeat = Heartbeat(self.URI)
+        self.Keyboard = Keyboard(self.URI)
+        self.Mouse = Mouse(self.URI)
+        self.Mousepad = Mousepad(self.URI)
+        self.Headset = Headset(self.URI)
+        self.ChromaLink = ChromaLink(self.URI)
+        self.BcaHandler = ChromaBcaHandler()
 
     def Version(self):
+        url = 'http://localhost:54235/razer/chromasdk'
+        try:
+            response = requests.get(url=url)
+        except Exception as err:
+            print('Can\'nt connect to ' + str(url) + '.\nError:' + str(err))
+            exit(1)
         try:
-            return requests.get(url='http://localhost:54235/razer/chromasdk').json()['version']
-        except:
-            # TODO Add proper exception handling
-            print('Unexpected Error!')
-            raise
+            return response.json()['version']
+        except KeyError as err:
+            print('Missing version from response.\nError:' + str(err))
+            exit(1)
 
     def __del__(self):
-        print('Im dying')
+        print('I\'m dying')
         self.heartbeat.stop()
         requests.delete(self.URI)