Unable to run a Controller with CloudRendering (as instructed in the getting started docs)

[mkusold]

Hello! I am trying to run Thor locally but am unable to get it to work. I am following the instructions here

Steps Taken:

• pip install ai2thor
• created the following python file test.py:

import ai2thor

from ai2thor.controller import Controller
from ai2thor.platform import CloudRendering

if __name__ == '__main__':
    controller = Controller(platform=CloudRendering, scene='FloorPlan28')
    event = controller.step(action='RotateRight')
    print(event.metadata['agent'])
    print(event, event.metadata.keys())

• run python test.py

I get the following Traceback:

(ai2thor) kusold@Ms-MacBook-Pro ai2-thor % python test.py                    
Traceback (most recent call last):
  File "/Users/kusold/Development/ai2thor-model-demo/ai2-thor/test.py", line 7, in <module>
    controller = Controller(platform=CloudRendering, scene='FloorPlan28')
  File "/Users/kusold/.pyenv/versions/ai2thor/lib/python3.9/site-packages/ai2thor/controller.py", line 487, in __init__
    self._build = self.find_build(local_build, commit_id, branch, platform)
  File "/Users/kusold/.pyenv/versions/ai2thor/lib/python3.9/site-packages/ai2thor/controller.py", line 1213, in find_build
    raise Exception("\n".join(error_messages))
Exception: The following builds were found, but had missing dependencies. Only one valid platform is required to run AI2-THOR.
Platform CloudRendering failed validation with the following errors: Vulkan API driver missing.
  CloudRendering requires libvulkan1. Please install by running: sudo apt-get -y install libvulkan1

System OS: OSX 12.3.1 Python version: 3.9.10 ai2thor version: 4.2.0

I can't install libvulkan1 cause it is unavailable via brew

[mkusold]

I followed crumbs based on this thread: https://github.com/neovide/neovide/issues/167 and ran: brew install apenngrace/vulkan/vulkan-sdk
which got me farther but then I encountered a different error:

(ai2thor) kusold@Ms-MacBook-Pro ai2-thor % python test.py  
thor-CloudRendering-22d62af5da45708e7bc40bf07a861e7397f9d2f9.zip: [|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 100%  26.7 MiB/s]  of 540.MB
Traceback (most recent call last):
  File "/Users/kusold/Development/ai2thor-model-demo/ai2-thor/test.py", line 7, in <module>
    controller = Controller(platform=CloudRendering, scene='FloorPlan28')
  File "/Users/kusold/.pyenv/versions/ai2thor/lib/python3.9/site-packages/ai2thor/controller.py", line 492, in __init__
    self.start(
  File "/Users/kusold/.pyenv/versions/ai2thor/lib/python3.9/site-packages/ai2thor/controller.py", line 1295, in start
    self._start_unity_thread(env, width, height, unity_params, image_name)
  File "/Users/kusold/.pyenv/versions/ai2thor/lib/python3.9/site-packages/ai2thor/controller.py", line 1002, in _start_unity_thread
    self.server.unity_proc = proc = subprocess.Popen(
  File "/Users/kusold/.pyenv/versions/3.9.10/lib/python3.9/subprocess.py", line 951, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "/Users/kusold/.pyenv/versions/3.9.10/lib/python3.9/subprocess.py", line 1821, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
OSError: [Errno 8] Exec format error: '/Users/kusold/.ai2thor/releases/thor-CloudRendering-22d62af5da45708e7bc40bf07a861e7397f9d2f9/thor-CloudRendering-22d62af5da45708e7bc40bf07a861e7397f9d2f9'

[ekolve]

The CloudRendering engine will only run on Linux. You should be able to run it in one of the vision servers or you could just run the OSX version locally.

[mkusold]

Excellent information. Thank you. How would I go about running the OSX version locally? Does that mean I'd have to have Unity installed?

[mattdeitke]

You should be able to just use the default platform, that is:

from ai2thor.controller import Controller
controller = Controller()
event = controller.step(action=“RotateRight”)
print(event)