REFACTOR: indicio.utils.__init__.py to multiple utils modules

indicoio/utils/errors.py

@@ -1,2 +1,20 @@
+"""
+Contains Indico Custom Errors
+"""
+
 class IndicoError(ValueError):
     pass
+
+class DataStructureException(Exception):
+    """
+    If a non-accepted datastructure is passed, throws an exception
+    """
+    def __init__(self, callback, passed_structure, accepted_structures):
+        self.callback = callback.__name__
+        self.structure = str(type(passed_structure))
+        self.accepted = [str(structure) for structure in accepted_structures]
+
+    def __str__(self):
+        return """
+        function %s does not accept %s, accepted types are: %s
+        """ % (self.callback, self.structure, str(self.accepted))