gettext_llm

What does it do?

The gettext_llm library allows you to translate all Gettext PO folders/files in your project using any LLM endpoint supported by langchain. The library provides several mix tasks that can be run directly in your Elixir/Phoenix project from the command line (ie. locally on the dev machine) or part of a CI/CD pipeline.

Translating from one language to another requires the translator to be accurate and to maintain a consistent tone/persona and style. Scaling these to multiple languages is challenging. Automated translation with LLM’s provide a “good enough” alternative in many use cases.

gettext_llm provides configurable tone/persona and style. This allows you to “shape” your resulting translations into something that is compatible with your app audience & brand.

How to add it to your Elixir/Phoenix project?

1. Add it as a dev dependency in your mix.exs

def deps do
  [
      {:gettext_llm, "0.1.9", only: [:dev, :test]}
  ]
end

2. Add a few lines in your config.exs

config :gettext_llm, GettextLLM,
  # ignored_languages: ["en"] <--- Optional but good to skip translating your reference language
  persona:
    "You are translating messages for a website that connects people needing help with people that can provide help. You will provide translation that is casual but respectful and uses plain language.",
  style:
    "Casual but respectul. Uses plain plain language that can be understood by all age groups and demographics.",
  endpoint: LangChain.ChatModels.ChatOpenAI,
  endpoint_model: "gpt-4",
  endpoint_temperature: 0,
  endpoint_config: %{
    "openai_key" =>
      "<YOUR_OPENAI_KEY>",
    "openai_org_id" => "<YOUR_ORG_ID>"
  }

3. Run the task

mix gettext_llm.translate translate

Key Features

• Built on top of langchain so you can use different LLM endpoints
• No runtime dependencies (it’s just a mix task)
• Configurable tone/persona and style

Links:

• Hex - gettext_llm v0.1.9 — Documentation
• Github - GitHub - paulsabou/gettext_llm: Elixir Gettext LLM based translation library