Allow std input

[ericcurtin]

We used to have this feature, got dropped recently accidentally, can do things like:

cat text_file_with_prompt.txt | ramalama run smollm:135m

or

cat some_doc | ramalama run smollm:135m Explain this document:

Summary by Sourcery

Allow reading from standard input for prompts, merging it with any provided CLI arguments and passing the combined text to the chat handler.

New Features:

• Restore support for reading prompt content from stdin when piped to the CLI

Enhancements:

• Combine command-line arguments and stdin input into a single prompt

[sourcery-ai]

Reviewer's Guide

Reintroduce support for reading prompts from standard input when piped, merging piped data with CLI arguments and preserving existing behavior for direct arguments.

Sequence diagram for handling prompt input from CLI arguments and stdin

sequenceDiagram
    actor User
    participant CLI as Command Line Interface
    participant ChatHandler
    User->>CLI: Provide ARGS and/or pipe stdin
    CLI->>ChatHandler: Initialize with args
    ChatHandler->>ChatHandler: Check if ARGS present
    alt ARGS present
        ChatHandler->>ChatHandler: Set prompt from ARGS
    end
    ChatHandler->>ChatHandler: Check if stdin is piped
    alt stdin is piped
        ChatHandler->>ChatHandler: Read stdin
        ChatHandler->>ChatHandler: Append stdin to prompt (if ARGS)
    end
    alt prompt exists
        ChatHandler->>ChatHandler: Call self.default(prompt)
        ChatHandler->>ChatHandler: Call self.kills()
        ChatHandler->>CLI: Return True
    else
        ChatHandler->>CLI: Return False
    end

Loading

Class diagram for updated prompt handling in ChatHandler

classDiagram
    class ChatHandler {
        - args
        - url
        + handle_args()
        + default(prompt)
        + kills()
    }
    ChatHandler : handle_args() now merges ARGS and stdin for prompt

Loading

File-Level Changes

Change	Details	Files
Restore and integrate standard input handling into the prompt flow	Initialize a local prompt variable Capture piped input when stdin is not a TTY Concatenate CLI args and stdin with a separator if both exist Fallback to stdin alone when no args provided Invoke default(prompt) and exit early after handling Remove original direct default() call in favor of unified logic	ramalama/chat.py

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[gemini-code-assist]

Summary of Changes

Hello @ericcurtin, 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 reintroduces a previously existing feature that allows the ramalama tool to process data piped through standard input. This enhances the tool's flexibility, enabling workflows where content from other sources can be seamlessly fed into ramalama for processing, optionally alongside a user-defined prompt from command-line arguments.

Highlights

• Standard Input Reinstatement: I've reinstated the ability for the ramalama tool to accept input via standard input (stdin). This allows users to pipe content from files or other commands directly into ramalama.
• Prompt Concatenation: The implementation now intelligently combines command-line arguments with standard input. If both are provided, the standard input content is appended to the command-line arguments, separated by two newlines, forming a single comprehensive prompt.

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[ericcurtin]

This might help @ieaves

[sourcery-ai]

Hey @ericcurtin - I've reviewed your changes and they look great!

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[gemini-code-assist]

Code Review

This pull request re-implements the feature to allow standard input to be used as a prompt for the ramalama chat command. The implementation is straightforward. A suggestion has been made to refactor the implementation slightly to make it more robust against empty piped input and to improve its overall clarity.

[rhatdan]

LGTM