🧩 jinja-i18n-tools

Automated i18n tool for Jinja2-based projects using Babel and Google Translate.

📦 Features

• 🔍 Extract translatable strings from your Jinja2 templates.
• 🌐 Initialize .po files for multiple languages.
• 🤖 Auto-translate using Google Translate via deep_translator.
• 🛠️ Compile .po files into .mo.
• 🧹 Automatically cleans up temporary files like messages.pot and babel.cfg.

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⚙️ Installation

pip install jinja-i18n-tools

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🚀 Usage

Activate your virtual environment, then run:

jinja-i18n full

This will:

1. Copy babel.cfg to your project root.
2. Extract translatable strings from your templates.
3. Initialize translation files for each language.
4. Auto-translate all strings.
5. Compile .po files into .mo.
6. Clean up temporary files.

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🛠️ CLI Commands

jinja-i18n extract
jinja-i18n init
jinja-i18n translate --lang ar
jinja-i18n translate-all
jinja-i18n compile
jinja-i18n full --lang all --force

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🌍 Languages

By default, the following languages are supported:

• ar – Arabic
• de – German

You can customize this in the source by editing the LANGUAGES list.

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📁 Project Structure

Your Jinja2 templates and Python files must be located where your babel.cfg expects them. Here's a recommended configuration:

[python: **.py]
[jinja2: templates/**.html]
[jinja2: templates/**.j2] 
extensions=jinja2.ext.i18n

This configuration instructs pybabel to:

• Extract translation strings from all Python files recursively.
• Extract translatable content from all .html templates under the templates/ folder.
• Enable the jinja2.ext.i18n extension to support {% trans %} blocks.

Make sure this file (babel.cfg) is located in your project root temporarily, or is copied automatically by the tool before running pybabel extract.

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🧼 Cleanup

Temporary files like babel.cfg and messages.pot are deleted automatically after the process finishes.

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📜 License

This project is licensed under the MIT License.
You are free to use, modify, and distribute it with attribution.
Feel free to explore and build upon it!

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👨‍💻 About the Author

🎯 Tamer OnLine – Developer & Architect
A dedicated software engineer and educator with a focus on building multilingual, modular, and open-source applications using Python, Flask, and PostgreSQL.

🔹 Founder of Flask University – an initiative to create real-world, open-source Flask projects
🔹 Creator of @TamerOnPi – a YouTube channel sharing tech, tutorials, and Pi Network insights
🔹 Passionate about helping developers learn by building, one milestone at a time

Connect or contribute:

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💡 Got feedback or want to collaborate?
Open an issue, fork the repo, or just say hi on LinkedIn!