KeyError: 'snapToGroundDefault'

[abol-karimi]

System Details

1. Python version: 3.8.0
2. Scenic version: main branch on 05-20-2024
3. Platform: docker://nvidia/vulkan:1.1.121-cuda-10.1--ubuntu18.04
4. Simulator Version: CARLA dev branch on 04-29-2024

Detailed Description

1. Scenic has a bug
2. scenic.scenarioFromFile(..., mode2D=True)
3. Error log:

   File "/home/scenariogen/Scenic/src/scenic/syntax/translator.py", line 142, in scenarioFromFile
   return _scenarioFromStream(
   File "/home/scenariogen/Scenic/src/scenic/syntax/translator.py", line 177, in _scenarioFromStream
   return constructScenarioFrom(namespace, scenario)
   File "/home/scenariogen/Scenic/src/scenic/syntax/translator.py", line 683, in constructScenarioFrom
   dynScenario._prepare(delayPreconditionCheck=True)
   File "/home/scenariogen/Scenic/src/scenic/core/dynamics/scenarios.py", line 162, in _prepare
   self._setup(None, *self._args, **self._kwargs)
   File "/home/scenariogen/ScenarioGeneration/src/scenariogen/simulators/carla/SUT.scenic", line 38, in _setup
   if config['ego-module']:
   File "/home/scenariogen/Scenic/src/scenic/syntax/veneer.py", line 665, in new
   return cls._withSpecifiers(specifiers)
   File "/home/scenariogen/Scenic/src/scenic/core/object_types.py", line 240, in _withSpecifiers
   properties, consts = cls._resolveSpecifiers(newspecs)
   File "/home/scenariogen/Scenic/src/scenic/core/object_types.py", line 439, in _resolveSpecifiers
   specifiedValues = spec.getValuesFor(context)
   File "/home/scenariogen/Scenic/src/scenic/core/specifiers.py", line 55, in getValuesFor
   val = valueInContext(self.value, obj)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 226, in valueInContext
   return value.evaluateIn(context)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 57, in evaluateIn
   value = self.evaluateInner(context)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 131, in evaluateInner
   return self.value(context)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 218, in value
   return func(*subvalues, **kwsubvals)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 216, in <genexpr>
   subvalues = (valueInContext(arg, context) for arg in args)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 226, in valueInContext
   return value.evaluateIn(context)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 57, in evaluateIn
   value = self.evaluateInner(context)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 131, in evaluateInner
   return self.value(context)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 218, in value
   return func(*subvalues, **kwsubvals)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 216, in <genexpr>
   subvalues = (valueInContext(arg, context) for arg in args)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 226, in valueInContext
   return value.evaluateIn(context)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 57, in evaluateIn
   value = self.evaluateInner(context)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 131, in evaluateInner
   return self.value(context)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 218, in value
   return func(*subvalues, **kwsubvals)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 216, in <genexpr>
   subvalues = (valueInContext(arg, context) for arg in args)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 226, in valueInContext
   return value.evaluateIn(context)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 57, in evaluateIn
   value = self.evaluateInner(context)
   File "/home/scenariogen/Scenic/src/scenic/core/lazy_eval.py", line 131, in evaluateInner
   return self.value(context)
   File "/home/scenariogen/Scenic/src/scenic/simulators/carla/model.scenic", line 132, in <lambda>
   snapToGround: globalParameters.snapToGroundDefault
   File "/home/scenariogen/Scenic/src/scenic/syntax/veneer.py", line 983, in __getattr__
   return self.__getitem__(name)  # allow namedtuple-like access
   File "/home/scenariogen/Scenic/src/scenic/syntax/veneer.py", line 974, in __getitem__
   return self._internal_map[name]
   KeyError: 'snapToGroundDefault'

Steps To Reproduce

Contact me on Scenic's slack for reproducing the error.

Issue Submission Checklist

• [X] I am reporting an issue, not asking a question
• [X] I checked the open and closed issues, forum, etc. and have not found any solution
• [X] I have provided all necessary code, etc. to reproduce the issue

[Eric-Vin]

Thanks for the report Abel! Whenever you get the chance, could you provide some info to reproduce this? It doesn't appear to be happening with some small examples on my machine.