updating exceptions and __init__; updating logger to the current version in nipype

Author: djarecka

nipype/exceptions.py

@@ -2,6 +2,10 @@ class NipypeError(Exception):
     pass
 
 
+class EngineError(Exception):
+    pass
+
+
 class PipelineError(NipypeError):
     pass
 

nipype/pipeline/engine/__init__.py

@@ -9,6 +9,6 @@
 
 from __future__ import absolute_import
 __docformat__ = 'restructuredtext'
-from .workflows import Workflow
+from .workflows import Workflow, NewNode, NewWorkflow
 from .nodes import Node, MapNode, JoinNode
 from .utils import generate_expanded_graph

nipype/pipeline/engine/auxiliary.py

@@ -1,7 +1,7 @@
 import pdb
 import inspect
-from .. import config, logging
-logger = logging.getLogger('workflow')
+from ... import config, logging
+logger = logging.getLogger('nipype.workflow')
 
 
 # Function to change user provided mapper to "reverse polish notation" used in State