Remove the TZ*Values and rely on datetime.datetime directly.

volatility/framework/interfaces/renderers.py

@@ -2,11 +2,12 @@
 or in some other form.  This module defines both the output format (:class:`TreeGrid`) and the renderer interface
 which can interact with a TreeGrid to produce suitable output."""
 
-import collections
 import datetime
 import typing
 from abc import abstractmethod, ABCMeta
 
+import collections
+
 from volatility.framework import validity
 
 Column = collections.namedtuple('Column', ['index', 'name', 'type'])
@@ -81,22 +82,13 @@ class BaseAbsentValue(object):
 # We don't class these off a shared base, because the SimpleTypes must only
 # contain the types that the validator will accept (which would not include the base)
 
-class TZAwareValue(datetime.datetime):
-    """Class for TZ-aware datetimes"""
-
-
-class TZNaiveValue(datetime.datetime):
-    """Class for TZ-aware datetimes"""
-
-
 _Type = typing.TypeVar("_Type")
 ColumnsType = typing.List[typing.Tuple[str, typing.Type]]
 SimpleTypes = typing.Union[typing.Type[int],
                            typing.Type[str],
                            typing.Type[float],
                            typing.Type[bytes],
-                           typing.Type[TZAwareValue],
-                           typing.Type[TZNaiveValue],
+                           typing.Type[datetime.datetime],
                            typing.Type[BaseAbsentValue]]
 VisitorSignature = typing.Callable[[TreeNode, _Type], _Type]
 

volatility/framework/renderers/__init__.py

@@ -61,18 +61,9 @@ class TreeNode(interfaces.renderers.TreeNode):
                         column.name,
                         type(val),
                         column.type))
-            if isinstance(val, (interfaces.renderers.TZAwareValue, interfaces.renderers.TZNaiveValue)):
-                tznaive = val.tzinfo is None or val.tzinfo.utcoffset(val) is None
-                if isinstance(val, interfaces.renderers.TZAwareValue) and tznaive:
-                    raise TypeError(
-                        "Values item with index {} is not a timezone aware datetime object as required by column {}".format(
-                            index,
-                            column.name))
-                elif isinstance(val, interfaces.renderers.TZNaiveValue) and not tznaive:
-                    raise TypeError(
-                        "Values item with index {} is not a timezone naive datetime object as required by column {}".format(
-                            index,
-                            column.name))
+            # TODO: Consider how to deal with timezone naive/aware datetimes (and alert plugin uses to be precise)
+            # if isinstance(val, datetime.datetime):
+            #     tznaive = val.tzinfo is None or val.tzinfo.utcoffset(val) is None
 
     @property
     def values(self) -> typing.Iterable[interfaces.renderers.SimpleTypes]: