FIX: Check for runtime attributes

Author: effigies

nipype/interfaces/base/core.py

@@ -500,6 +500,7 @@ def run(self, cwd=None, ignore_exception=None, **inputs):
             platform=platform.platform(),
             hostname=platform.node(),
             version=self.version)
+        runtime_attrs = set(runtime.keys())
 
         mon_sp = None
         if enable_rm:
@@ -540,9 +541,10 @@ def run(self, cwd=None, ignore_exception=None, **inputs):
             if not ignore_exception:
                 raise
         finally:
-            if runtime is None:
-                raise RuntimeError("{} interface failed to return runtime "
-                                   "object".format(interface.__class__.__name__))
+            if runtime is None or runtime_attrs - set(runtime.keys()):
+                raise RuntimeError("{} interface failed to return valid "
+                                   "runtime object".format(
+                                       interface.__class__.__name__))
             # This needs to be done always
             runtime.endTime = dt.isoformat(dt.utcnow())
             timediff = parseutc(runtime.endTime) - parseutc(runtime.startTime)

nipype/interfaces/base/support.py

@@ -68,6 +68,9 @@ def update(self, *args, **kwargs):
         Note: update is very much like HasTraits.set"""
         self.__dict__.update(*args, **kwargs)
 
+    def keys(self):
+        return list(self.__dict__.keys())
+
     def items(self):
         """iterates over bunch attributes as key, value pairs"""
         return list(self.__dict__.items())