How to change the MAX_RESPONSE_LEN_CHAR of openhands-aci

[Yesphet]

I want the LLM to read a local Python file, which is 35KB in size. From the logs, I can see that the FileReadAction was executed, but the file was truncated because the default MAX_RESPONSE_LEN_CHAR configuration of openhands-aci is only 16000. How can I modify this configuration value?

this is the logs output:

09:23:23 - ACTION
[Agent Controller c616a414b2b545d5851bd220208c3201] FileReadAction(path='/workspace/core/testflows/testflow.py', start=0, end=-1, thought='Let me first view the contents of `core/testflows/testflow.py` to understand the basic interface definitions of the test framework.', action='read', security_risk=None, impl_source=<FileReadSource.OH_ACI: 'oh_aci'>, view_range=None)
09:23:23 - openhands:INFO: agent_controller.py:466 - [Agent Controller c616a414b2b545d5851bd220208c3201] Setting agent(CodeActAgent) state from AgentState.RUNNING to AgentState.RUNNING
09:23:23 - OBSERVATION
[Agent Controller c616a414b2b545d5851bd220208c3201] AgentStateChangedObservation(content='', agent_state=<AgentState.RUNNING: 'running'>, observation='agent_state_changed')
09:23:23 - OBSERVATION
[Agent Controller c616a414b2b545d5851bd220208c3201] [Read from /workspace/core/testflows/testflow.py is successful.]
Here's the result of running `cat -n` on /workspace/core/testflows/testflow.py:
     1	import copy
     2	import threading
     3	import time
     4	from abc import abstractmethod
....
   461	        self._name = name
   462	        return self
   463	<response clipped><NOTE>Due to the max output limit, only part of this file has been shown to you. You should retry this tool after you have searched inside the file with `grep -n` in order to find the line numbers of what you are looking for.</NOTE>

[ryanhoangt]

Hi @Yesphet, it's set here in the ACI repo: https://github.com/All-Hands-AI/openhands-aci/blob/main/openhands_aci/editor/config.py

[Yesphet]

Hi @Yesphet, it's set here in the ACI repo: https://github.com/All-Hands-AI/openhands-aci/blob/main/openhands_aci/editor/config.py

@ryanhoangt Thank you for the response. I also saw this configuration in the openhands-aci codebase, so I can only modify the config.py file, then build a sandbox Docker image myself and specify the built image through SANDBOX_RUNTIME_CONTAINER_IMAGE, right? Is there a simpler way?

[ryanhoangt]

If you have your dev environment set up, one easy way is to update the config value in your fork, then in OpenHands code base install the aci from your repo/branch, using something like poetry add git+https://github.com/username/openhands-aci.git#branch-name. The runtime image will be automatically updated with your change in the ACI.

[Yesphet]

@ryanhoangt Thanks a lot~ I'll give it a shot.

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