Restructure the packages, change importing style to from ... import.

volatility/framework/validity.py

@@ -0,0 +1,21 @@
+'''
+Created on 4 May 2013
+
+@author: mike
+'''
+
+class ValidityRoutines(object):
+    """Class to hold all validation routines, such as type checking"""
+
+    def type_check(self, value, valid_type):
+        """Checks that value is an instance of valid_type, and returns value if it is, or throws a TypeError otherwise"""
+        if not isinstance(value, valid_type):
+            raise TypeError(self.__class__.__name__ + " expected " + valid_type.__class__.__name__ + ", not " + type(value))
+        return value
+
+    def confirm(self, assertion, error):
+        """Acts like an assertion, but will not be disabled when __debug__ is disabled"""
+        if not assertion:
+            if error is None:
+                error = "An unspecified Assertion was not met"
+            raise AssertionError(error)