Setup basic Runtime with properties and platform.

recipe_engine/types.py

 # Copyright 2015 The LUCI Authors. All rights reserved.
 # Use of this source code is governed under the Apache License, Version 2.0
 # that can be found in the LICENSE file.
 
 import collections
 import copy
 import json
 import operator
 
 
@@ skipping 53 matching lines @@
 
   def __getitem__(self, key):
     return self._d[key]
 
   def __hash__(self):
     return self._hash
 
   def __repr__(self):
     return 'FrozenDict(%r)' % (self._d.items(),)
 
+  def to_json(self, **kw):
+    """Returns (str): a JSON string containing the encoded FrozenDict.
+
+    Args:
+      kw: Keyword arguments to forward to "json.dumps".
+    """
+    return json.dumps(self._d, **kw)
+
 
 class StepPresentation(object):
   STATUSES = set(('SUCCESS', 'FAILURE', 'WARNING', 'EXCEPTION'))
 
   def __init__(self):
     self._finalized = False
 
     self._logs = collections.OrderedDict()
     self._links = collections.OrderedDict()
     self._status = None
@@ skipping 99 matching lines @@
   @property
   def retcode(self):
     return self._retcode
 
   @property
   def presentation(self):
     return self._presentation
 
   def __getattr__(self, name):
     raise StepDataAttributeError(self._step_config.name, name)