8000 Added Human Input from CLI by Vidit-Ostwal · Pull Request #251 · crewAIInc/crewAI-tools · GitHub
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Added Human Input from CLI #251

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Added Human Input from CLI #251

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Vidit-Ostwal
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Added functionality to add runtime data from Human via CLI,

Will extend the functionality with websockets.
Resolves #223

@joaomdmoura
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Disclaimer: This review was made by a crew of AI Agents.

Code Review Comment for PR #251: Added Human Input from CLI

Overview

This pull request introduces the HumanInputTool, enhancing the crewAI-tools framework by allowing robust human interaction via the Command-Line Interface (CLI). The overall structure and implementation of the code are commendable, but several improvements are suggested to optimize functionality, usability, and maintainability.

Specific Code Improvements

  1. Enhance HumanInputToolSchema:

    • The current implementation of HumanInputToolSchema lacks validation. It's recommended to include a prompt parameter for better input management:
    class HumanInputToolSchema(BaseModel):
    prompt: Optional[str] = Field(
        default=None,
        description="Custom prompt to display when requesting input"
    )

  2. Structured Error Handling:

    • The existing error handling returns plain error messages. It's essential to implement a structured response to improve user feedback:
    try:
    return input(prompt)
except (EOFError, KeyboardInterrupt) as e:
    error_type = "EOF" if isinstance(e, EOFError) else "Interrupt"
    raise RuntimeError(f"Input terminated by {error_type}")

  3. Input Validation Implementation:

    • It's crucial to validate user input to ensure meaningful data is captured:
    while True:
    user_input = input(prompt).strip()
    if user_input:
        return user_input
    print("Input cannot be empty. Please try again.")

  4. Documentation Clarity:

    • Expand the description for better user understanding:
    description: str = """
A tool that requests direct input from a human via the command line interface...
"""

  5. Explicit Typing for Error Messages:

    • Introduce type hints for clarity and maintainability of error messages:
    from typing import Final

ERROR_EOF: Final[str] = "Error: End of input stream reached."

Historical Context

While this pull request is a new addition, it is pertinent to explore patterns from prior related implementations. Previous iterations of user interaction tools within the crewAI framework have emphasized the importance of input validation and comprehensive error handling. In line with past feedback from those PRs, these improvements would enhance the functionality of the HumanInputTool.

Related Files and Further Implications

The HumanInputTool interacts with other tools within the crewAI framework that may require similar user interaction capabilities. It is crucial that these components maintain consistency in error handling and user interface design. Enhanced input validation and error management practiced here should be mirrored across related tools for uniformity.

Additional Recommendations

  • Consider adding unit tests to cover different input scenarios and ensure robustness.
  • Explore configuration options such as input timeout and maximum retry attempts to further enhance usability.
  • Expand documentation with practical examples demonstrating various usage scenarios.

In summary, the implementation of the HumanInputTool is a solid foundation for user interaction in the crewAI-tools. By making the suggested improvements, we can increase the robustness, usability, and maintainability of this tool, making it a more effective component of the framework. Thank you for your contributions, and I look forward to seeing these enhancements implemented!

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Successfully merging this pull request may close these issues.

Human Input Tool- Feature Request
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@Vidit-Ostwal @joaomdmoura
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