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Summary

  • validate companion env vars before launching auxiliary services to avoid crashing when configuration is missing
  • point users to example.env to populate REME settings

Testing

  • conda activate agentevolver && python launcher.py --conf examples/overall.yaml --with-appworld --with-reme (fails fast with actionable error)

Fixes #9

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Summary of Changes

Hello @arjuntheprogrammer, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the robustness of the launcher by implementing a pre-launch validation for critical environment variables required by companion services. This ensures that auxiliary services do not attempt to start with incomplete configurations, providing immediate and clear feedback to the user on how to resolve missing settings. It also refines the appworld setup process for better execution control.

Highlights

  • Environment Variable Validation: Introduced a validation step for companion service environment variables (_PATH and _SCRIPT) before launching auxiliary services. This prevents crashes due to missing configuration.
  • User Guidance for Configuration: When environment variables are missing, the system now provides an actionable error message, pointing users to example.env to help them populate the necessary settings.
  • Appworld Setup Script Refinement: Modified the appworld setup script to use direct Python calls for install_package and download_data, enhancing control over these operations.
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Code Review

This pull request introduces a validation mechanism for environment variables required by companion services, which is a solid improvement. It prevents crashes from missing configurations and provides actionable error messages to the user. My review includes one suggestion for the changes in env_service/environments/appworld/setup.sh to improve maintainability by refactoring complex inline Python commands into separate helper scripts.

# 6. 下载数据
echo "📦 下载数据(失败则使用备用下载)..."
if ! conda run -n appworld appworld download data; then
if ! conda run -n appworld python -c $'import os\nfrom appworld import update_root\nfrom appworld.download import download_data\nroot = os.environ.get("APPWORLD_ROOT") or "."\nupdate_root(root)\ndownload_data()\n'; then

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medium

The inline Python script here, and similarly on line 40, is quite complex. This makes the script harder to read, debug, and maintain. For better long-term code health, consider moving this logic into a dedicated helper Python script.

For example, you could create a download_helper.py in this directory:

# env_service/environments/appworld/download_helper.py
import os
import sys
from appworld import update_root
from appworld.download import download_data

root = os.environ.get("APPWORLD_ROOT")
if not root:
    print("Warning: APPWORLD_ROOT environment variable not set. Defaulting to '.'", file=sys.stderr)
    root = "."

update_root(root)
download_data()

You could then call it from this shell script like so:

if ! conda run -n appworld python "$SCRIPT_DIR/download_helper.py"; then
    # ...
fi

This approach would make the setup.sh script cleaner and the Python logic easier to manage and test independently.

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Launcher crashes when REME_PATH/REME_SCRIPT are unset

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