futurize stage 1

SpiffWorkflow/bpmn/serializer/CompactWorkflowSerializer.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 from __future__ import division, absolute_import
+from __future__ import print_function
 # Copyright (C) 2012 Matthew Hampton
 #
 # This library is free software; you can redistribute it and/or

SpiffWorkflow/specs/WorkflowSpec.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 from __future__ import division, absolute_import
+from __future__ import print_function
 # Copyright (C) 2007 Samuel Abels
 #
 # This library is free software; you can redistribute it and/or

SpiffWorkflow/specs/base.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 from __future__ import division, absolute_import
+from __future__ import print_function
 # Copyright (C) 2007 Samuel Abels
 #
 # This library is free software; you can redistribute it and/or
@@ -386,7 +387,7 @@ class TaskSpec(object):
         assert my_task is not None
 
         if my_task.workflow.debug:
-            print("Executing task:", my_task.get_name())
+            print(("Executing task:", my_task.get_name()))
 
         self._on_complete_hook(my_task)
 

SpiffWorkflow/task.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 from __future__ import division, absolute_import
+from __future__ import print_function
 # Copyright (C) 2007 Samuel Abels
 #
 # This library is free software; you can redistribute it and/or

SpiffWorkflow/workflow.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 from __future__ import division, absolute_import
+from __future__ import print_function
 # Copyright (C) 2007 Samuel Abels
 #
 # This library is free software; you can redistribute it and/or
@@ -86,7 +87,7 @@ class Workflow(object):
         mask = Task.NOT_FINISHED_MASK
         iter = Task.Iterator(self.task_tree, mask)
         try:
-            iter.next()
+            next(iter)
         except:
             # No waiting tasks found.
             return True
@@ -223,7 +224,7 @@ class Workflow(object):
         if pick_up and self.last_task is not None:
             try:
                 iter = Task.Iterator(self.last_task, Task.READY)
-                next = iter.next()
+                next = next(iter)
             except:
                 next = None
             self.last_task = None

doc/custom-tasks/strike.py

@@ -1,8 +1,9 @@
+from __future__ import print_function
 from SpiffWorkflow.specs import Simple
 
 class NuclearStrike(Simple):
     def _on_complete_hook(self, my_task):
-        print(self.my_variable, "sent!")
+        print((self.my_variable, "sent!"))
 
     def serialize(self, serializer):
         return serializer.serialize_nuclear_strike(self)

doc/tutorial/nuclear.py

@@ -1,8 +1,9 @@
+from __future__ import print_function
 from SpiffWorkflow.specs import WorkflowSpec, ExclusiveChoice, Simple, Cancel
 from SpiffWorkflow.operators import Equal, Attrib
 
 def my_nuclear_strike(msg):
-    print "Launched:", msg
+    print("Launched:", msg)
 
 class NuclearStrikeWorkflowSpec(WorkflowSpec):
     def __init__(self):

setup.py

@@ -20,7 +20,7 @@ included with the package.
       author_email     = 'cheeseshop.python.org@debain.org',
       license          = 'lGPLv2',
       packages         = find_packages(exclude=['tests', 'tests.*']),
-      install_requires = ['lxml'],
+      install_requires = ['future', 'configparser', 'lxml'],
       keywords         = 'spiff workflow bpmn engine',
       url              = 'https://github.com/knipknap/SpiffWorkflow',
       classifiers      = [