step: expose get_context() to get the context object

recipe_modules/step/api.py

Index: recipe_modules/step/api.py
diff --git a/recipe_modules/step/api.py b/recipe_modules/step/api.py
index 8530f6ffdafcd8d71d8595732653e2a08a79fa7c..60c2f784654661486f4bf30c56272086ce80b223 100644
--- a/recipe_modules/step/api.py
+++ b/recipe_modules/step/api.py
@@ -77,6 +77,9 @@ class StepApi(recipe_api.RecipeApiPlain):
     """ See recipe_api.py for docs. """
     return recipe_api.context
 
+  def get_context(self):
+    return recipe_api._STEP_CONTEXT

[iannucci, 2017/01/31 22:12:51]

this should return a copy of the step context (unless _STEP_CONTEXT is
immutable? I forget).

needs docstring

[iannucci, 2017/01/31 22:14:49]

This is also confusing with the previous property. Maybe current_context?

+
   @contextlib.contextmanager
   def nest(self, name):
     """Nest is the high-level interface to annotated hierarchical steps.
@@ -172,7 +175,7 @@ class StepApi(recipe_api.RecipeApiPlain):
     kwargs['ok_ret'] = ok_ret
 
     # Obtain information from composite step parent.
-    compositor = recipe_api._STEP_CONTEXT
+    compositor = self.get_context()
 
     # Calculate our full step name. If a step already has that name, add an
     # index to the end of it.