added field for errors to be able handle bad filter or bad credentials

O365/inbox.py

@@ -28,6 +28,7 @@ def __init__(self, auth, getNow=True, verify=True):
 		log.debug('creating inbox for the email %s',auth[0])
 		self.auth = auth
 		self.messages = []
+		self.errors = ''
 
 		self.filters = ''
 		self.order_by = ''
@@ -55,6 +56,13 @@ def getMessages(self, number = 10):
 
 		log.debug('fetching messages.')			
 		response = requests.get(self.inbox_url,auth=self.auth,params={'$orderby':self.order_by, '$filter':self.filters, '$top':number},verify=self.verify)
+		if response.status_code in [400, 500]:
+			self.errors = response.text
+			return False
+		elif response.status_code in [401]:
+			self.errors = response.reason
+			return False
+
 		log.info('Response from O365: %s', str(response))
 
 		#check that there are messages
@@ -83,6 +91,9 @@ def getMessages(self, number = 10):
 		log.debug('all messages retrieved and put in to the list.')
 		return True
 
+	def getErrors(self):
+		return self.errors
+
 	def getOrderBy(self):
 		return self.order_by