Custom exception class. Updated exception handling

Author: rogersmark

Diff for: pyzootool/error.py

@@ -0,0 +1,15 @@
+"""
+Custom exception classes for pyzootool
+"""
+
+class ZooError(Exception):
+    
+    def __init__(self, reason):
+        self.reason = reason
+        
+    def __unicode__(self):
+        return u'%s' % self.reason
+        
+    def __str__(self):
+        return self.__unicode__()
+        

Diff for: pyzootool/items.py

@@ -32,7 +32,7 @@ def parse_results(self, json_data):
             self.tinyurl = json_data['tinyurl']
             self.thumbnail = json_data['thumbnail']
         except AttributeError:
-            return None
+            raise error.ZooError("Failed to parse item json")
 
 class ZooItem():
 

Diff for: pyzootool/users.py

@@ -2,6 +2,7 @@
 import urllib
 
 from pyzootool import ROOT_URL
+from pyzootool import error
 
 class ZooUserResult():
 
@@ -27,7 +28,7 @@ def parse_results(self, json_data):
             self.avatar = json_data['avatar']
             self.profile = json_data['profile']
         except AttributeError:
-            return None
+            raise error.ZooError("Failed to parse user json")
 
 class ZooUser():