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sandbox-exec-fallback

Recover failed Python tasks by saving the code as a script and running it through the shell. Provides steps to inspect errors and confirm generated files for spreadsheet creation, data processing, and calculations.

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Fallback pattern for executing Python code when execute_code_sandbox fails by writing to file and running via shell

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适用场景

  • Retry failed Excel or CSV generation
  • Resume data transformations after a sandbox error
  • Investigate Python errors through shell output
  • Allow more time for lengthy calculations

包含的文件(2)

  • SKILL.md2.4 KB
  • .skill_id35 B

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

Sandbox Execution Fallback

When to Use

Use this skill when execute_code_sandbox fails during Python code execution, particularly for tasks involving:

  • Spreadsheet generation (xlsx, csv)
  • Data processing and transformations
  • File output operations
  • Complex computations requiring libraries

Recovery Pattern

When execute_code_sandbox returns an error or fails to produce expected output:

Step 1: Write Python Code to File

Use write_file to save your Python script to a file:

# Use write_file tool with:
path: "script.py"
content: <your complete Python code as a string>

Step 2: Execute via Shell

Use run_shell to execute the script:

# Use run_shell tool with:
command: "python3 script.py"
timeout: <appropriate timeout, e.g., 300 for long-running tasks>

Step 3: Verify Output

Check the shell output for:

  • Success messages or printed results
  • Error messages (if any, diagnose and fix the script)
  • File creation confirmations

Step 4: Access Generated Files

If the script creates output files (e.g., spreadsheets), they will be in the current working directory. Use list_dir to confirm, then read_file to access if needed.

Why This Works

  • Same Python Environment: python3 in the shell uses the same environment as the sandbox
  • More Robust: Shell execution handles long-running or memory-intensive tasks better
  • Debuggable: Errors are captured in stdout/stderr for easier diagnosis
  • Identical Results: Produces the same output as sandbox execution when successful

Example: Spreadsheet Generation

Original code that failed in execute_code_sandbox:

import pandas as pd

data = {'A': [1, 2, 3], 'B': [4, 5, 6]}
df = pd.DataFrame(data)
df.to_excel('output.xlsx', index=False)
print("File created successfully")

Recovery Execution:

  1. write_file with path="generate_spreadsheet.py" and the code above as content
  2. run_shell with command="python3 generate_spreadsheet.py"
  3. Verify output.xlsx was created with list_dir

Tips

  • Increase timeout for complex operations (default 30s may be insufficient)
  • Add explicit print statements for debugging
  • Handle exceptions in your script and print error messages
  • Clean up temporary script files after successful execution if needed

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中文简介正在准备中。当前显示英语简介。

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