Add exception handling for invalid authorization (#2)

* add exception for invalid auth

* add back logging self.data

Author: engrbm87

glances_api/__init__.py

@@ -51,13 +51,17 @@ async def get_data(self):
                     response = await self._session.get(url, auth=auth)
 
             _LOGGER.debug("Response from Glances API: %s", response.status)
+            response.raise_for_status()
             print(response.status)
             print(response.text)
             self.data = await response.json()
             _LOGGER.debug(self.data)
-        except (asyncio.TimeoutError, aiohttp.ClientError):
+        except aiohttp.ClientResponseError as err:
+            _LOGGER.error(err.message)
+            raise exceptions.GlancesApiAuthorizationError from err
+        except (asyncio.TimeoutError, aiohttp.ClientError) as err:
             _LOGGER.error("Can not load data from Glances API")
-            raise exceptions.GlancesApiConnectionError()
+            raise exceptions.GlancesApiConnectionError
 
     async def get_metrics(self, element):
         """Get all the metrics for a monitored element."""

glances_api/exceptions.py

@@ -6,12 +6,14 @@ class GlancesApiError(Exception):
 
     pass
 
-
 class GlancesApiConnectionError(GlancesApiError):
     """When a connection error is encountered."""
 
     pass
+class GlancesApiAuthorizationError(GlancesApiError):
+    """When a connection error is encountered."""
 
+    pass
 
 class GlancesApiNoDataAvailable(GlancesApiError):
     """When no data is available."""