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A command-line tool for automatically generating missing translations to ARB files using Google Gemini or OpenAI ChatGPT by LeanCode.

arb_translate #

arb_translate on pub.dev

A command-line tool for automatically generating missing translations to ARB files using Google Gemini or OpenAI ChatGPT by LeanCode

Installation #

$ dart pub global activate arb_translate

Configuration #

arb_translate has been designed to seamlessly integrate with Flutter apps using flutter_localizations for code generation from ARB files. Thanks to this integration, the setup process for arb_translate can be completed in just a few steps:

  1. Generate your API key. You can create your Gemini key here or your OpenAI key here

  2. Save your API token in the environment variable ARB_TRANSLATE_API_KEY or add arb-translate-api-key: {your-api-key} to l10n.yaml in your project.

  3. If you are using ChatGPT select OpenAI as model provider. To do it add arb-translate-model-provider: open-ai to l10n.yaml or use command argument --model-provider: open-ai

  4. (Optional) Select model used for translation. To do it add arb-translate-model to l10n.yaml or use command argument --model. The available options are [gemini-1.0-pro (default for Gemini), gemini-1.5-pro, gemini-1.5-flash, gpt-3.5-turbo (default for OpenAI), gpt-4, gpt-4-turbo, gpt-4o]

  5. (Optional) Add context of your application arb-translate-context: {your-app-context} eg. "sporting goods store app"

All other required parameters match flutter_localizations parameters and will be read from l10n.yaml file. You can override them using command arguments if necessary. See arb_translate --help for more information.

Configuration without l10n.yaml #

If you project doesn't include l10n.yaml configuration you have to provide configuration using environment variables and command arguments. You also have to provide:

  1. --arb-dir The directory where the template and translated ARB files are located

  2. --template-arb-file The template ARB file that will be used as the basis for translation

See arb_translate --help for more information.

Vertex AI configuration #

You can use arb_translate with Vertex AI service from Google Cloud Platform but configuration is a bit longer:

  1. Create your GCP project and enable Vertex AI by following https://cloud.google.com/vertex-ai/docs/generative-ai/start/quickstarts/api-quickstart
  2. Generate your API token using gcloud CLI
    $ gcloud auth print-access-token
    
  3. Save your API token in the environment variable ARB_TRANSLATE_API_KEY or add arb-translate-api-key: {your-api-key} to l10n.yaml or specify as command argument --api-key {your-api-key}
  4. Add arb-translate-vertex-ai-project-url: {your-project-url} to l10n.yaml or specify as command argument --vertex-ai-project-url {your-project-url}. Project url should look like this https://{region}-aiplatform.googleapis.com/v1/projects/{your-project-id}/locations/{region}/publishers/google/models
  5. Add arb-translate-model-provider: vertex-ai to l10n.yaml or specify as command argument --model-provider: vertex-ai

Usage #

To generate translations, simply call arb_translate. All messages included in the template ARB file but missing from other files will be translated. To add a new locale, simply add an empty ARB file.

$ arb_translate

Or without l10n.yaml file

$ arb_translate --arb-dir...

Read more #

If you want to know how we made this tool and what challenges we had, read the story.

#

LeanCode

Built with ☕️ by LeanCode

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A command-line tool for automatically generating missing translations to ARB files using Google Gemini or OpenAI ChatGPT by LeanCode.

Repository (GitHub)
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Topics

#localization #l10n #arb #ai #gemini

Documentation

API reference

License

Apache-2.0, BSD-3-Clause (license)

Dependencies

args, collection, dart_openai, file, google_generative_ai, http, intl, meta, yaml

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Packages that depend on arb_translate