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https://github.com/argosopentech/argos-translate

Open-source offline translation library written in Python
https://github.com/argosopentech/argos-translate

language-models linux machine-translation nlp open-source python transformers translation

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Open-source offline translation library written in Python

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README 

        
# Argos Translate

[Demo](https://libretranslate.com) | [Website](https://www.argosopentech.com) | [Docs](https://argos-translate.readthedocs.io) |  [Forum](https://community.libretranslate.com/c/argos-translate/5) | [GitHub](https://github.com/argosopentech/argos-translate) | [PyPI](https://pypi.org/project/argostranslate/)



**Open-source offline translation library written in Python**



Argos Translate uses [OpenNMT](https://opennmt.net/) for translations and can be used as either a Python library, command-line, or GUI application. Argos Translate supports installing language model packages which are zip archives with a ".argosmodel" extension containing the data needed for translation. [LibreTranslate](https://libretranslate.com) is an API and web-app built on top of Argos Translate.



Argos Translate also manages automatically pivoting through intermediate languages to translate between languages that don't have a direct translation between them installed. For example, if you have a es → en and en → fr translation installed you are able to translate from es → fr as if you had that translation installed. This allows for translating between a wide variety of languages at the cost of some loss of translation quality.



### Supported languages

Arabic, Azerbaijani, Catalan, Chinese, Czech, Danish, Dutch, English, Esperanto, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Irish, Italian, Japanese, Korean, Malay, Persian, Polish, Portuguese, Russian, Slovak, Spanish, Swedish, Turkish, Ukrainian, and more



[Request a language](https://github.com/argosopentech/argos-translate/discussions/91)



## Installation

### Install with Python

Argos Translate is available from [PyPI](https://pypi.org/project/argostranslate/) and can be easily installed or updated with [pip](https://pip.pypa.io/en/stable/installation/).



```

pip install argostranslate

```



Install [GUI](https://github.com/argosopentech/argos-translate-gui):

```

pip install argostranslategui

```



### Python source installation into virtualenv



Download a copy of this repo and install with pip.



```

git clone https://github.com/argosopentech/argos-translate.git

cd argos-translate

virtualenv env

source env/bin/activate

pip install -e .

```



## Examples

### [Python](https://argos-translate.readthedocs.io/en/latest/py-modindex.html)



```python

import argostranslate.package

import argostranslate.translate



from_code = "en"

to_code = "es"



# Download and install Argos Translate package

argostranslate.package.update_package_index()

available_packages = argostranslate.package.get_available_packages()

package_to_install = next(

    filter(

        lambda x: x.from_code == from_code and x.to_code == to_code, available_packages

    )

)

argostranslate.package.install_from_path(package_to_install.download())



# Translate

translatedText = argostranslate.translate.translate("Hello World", from_code, to_code)

print(translatedText)

# '¡Hola Mundo!'

```



### Command Line Interface

```

argospm update

argospm install translate-en_de

argos-translate --from en --to de "Hello World!"

# Hallo Welt!



```



Install all translation packages:

```

argospm install translate

```



### [LibreTranslate](https://github.com/LibreTranslate/LibreTranslate) Web App ([Demo](https://libretranslate.com/))

![Web App Screenshot](img/WebAppScreenshot.png)



### [LibreTranslate](https://github.com/uav4geo/LibreTranslate) API



```javascript

const res = await fetch("https://translate.argosopentech.com/translate", {

	method: "POST",

	body: JSON.stringify({

		q: "Hello!",

		source: "en",

		target: "es"

	}),

	headers: {

		"Content-Type": "application/json"}

	});



console.log(await res.json());



{

    "translatedText": "¡Hola!"

}

```



#### Graphical user interface

The GUI code is in a [separate repository](https://github.com/argosopentech/argos-translate-gui).



![Screenshot](/img/Screenshot.png)

![Screenshot2](/img/Screenshot2.png)



## [Packages](https://www.argosopentech.com/argospm/index/)

- [Browse](https://www.argosopentech.com/argospm/index/)

- [P2P download with BitTorrent](/p2p/README.md)

- [Training scripts](https://github.com/argosopentech/argos-train)

- [Google Drive download](https://drive.google.com/drive/folders/11wxM3Ze7NCgOk_tdtRjwet10DmtvFu3i)



### GPU Acceleration



To enable GPU support, you need to set the `ARGOS_DEVICE_TYPE` env variable to `cuda` or `auto`.



```

$ ARGOS_DEVICE_TYPE=cuda argos-translate --from-lang en --to-lang es "Hello World"

Hola Mundo

```



The above env variable passes the device type to [CTranslate2](https://github.com/OpenNMT/CTranslate2).



### HTML Translation

The [translate-html](https://github.com/argosopentech/translate-html) library is built on top of Argos Translate and [Beautiful Soup](https://beautiful-soup-4.readthedocs.io/en/latest/) and parses and translates HTML. The LibreTranslate API also has support for translating HTML.



### Files Translation

The [argos-translate-files](https://github.com/LibreTranslate/argos-translate-files) library is built on top of Argos Translate and parses and translates files. The LibreTranslate API also has support for translating files.



## Uninstall



``` shell

pip uninstall argostranslate

```



You may choose to also delete temporary and cached files:



``` shell

rm -r ~/.local/cache/argos-translate

rm -r ~/.local/share/argos-translate

```



## Related Projects

- [LibreTranslate-py](https://github.com/argosopentech/LibreTranslate-py) - Python bindings for LibreTranslate

- [MetalTranslate](https://github.com/argosopentech/MetalTranslate) - Customizable translation in C++

- [LibreTranslate/Locomotive](https://github.com/LibreTranslate/Locomotive) - Toolkit for training/converting LibreTranslate compatible language models 🚂 

- [DesktopTranslator](https://github.com/ymoslem/DesktopTranslator) - [OpenNMT](https://opennmt.net/) based translation application

- [LibreTranslate-rs](https://github.com/grantshandy/libretranslate-rs) - LibreTranslate Rust bindings

- [LibreTranslate Go](https://github.com/SnakeSel/libretranslate) - LibreTranslate Golang bindings

- [LibreTranslate Java](https://github.com/dynomake/libretranslate-java) - LibreTranslate Java bindings

- [LibreTranslator](https://gitlab.com/BeowuIf/libretranslator) - LibreTranslate Android app

- [LiTranslate](https://community.libretranslate.com/t/litranslate-ios-app/333) - iOS LibreTranslate client



## Contributing

Contributions are welcome! Available issues are on the [GitHub issues page](https://github.com/argosopentech/argos-translate/issues). Contributions of code, data, and pre-trained models can all be accepted.



## Support

For support please use the [LibreTranslate Forum](https://community.libretranslate.com/c/argos-translate/5) or [GitHub Issues](https://github.com/argosopentech/argos-translate/issues).



For questions about [CTranslate2](https://github.com/OpenNMT/CTranslate2) or general machine translation research the [OpenNMT Forum](https://forum.opennmt.net/) is a good resource.



## Services

Custom models trained on your own data are available for $1000/language (negotiable).



[I am also available for hire](https://www.argosopentech.com/about/) to do support, consulting, or custom software development.



## Donate

If you find this software useful donations are greatly appreciated and help to make this project sustainable.

- [GitHub Sponsor](https://github.com/sponsors/argosopentech)

- [PayPal](https://www.paypal.com/biz/fund?id=MCCFG437JP9PJ)

- Bitcoin: 16UJrmSEGojFPaqjTGpuSMNhNRSsnspFJT

- Ethereum: argosopentech.eth

- Litecoin: MCwu7RRWeCRJdsv2bXGj2nnL1xYxDBvwW5

- BCH: bitcoincash:qzvpxe8y5kq45kahqkyv3p88sjrhlymj2v6xdrj3cv



Paid supporters receive priority support.



#### Hosting affiliate links

You can help support Argos Translate financially by purchasing hosting through these referral links:

- [Vast.ai](http://vast.ai/?ref=24817) - Cheap GPU rentals

- [DigitalOcean](https://m.do.co/c/a1af57be6e3f) - Best all around hosting

- [Sharktech](https://portal.sharktech.net/aff.php?aff=1181) - Cheap bandwith

- [Time4VPS](https://www.time4vps.com/?affid=6929) - Cheap storage



## Contributing

Contributions are welcome! Bug reports, pull requests, documentation writing, and feature ideas are all appreciated.



## License

Argos Translate is dual licensed under either the [MIT License](https://github.com/argosopentech/argos-translate/blob/master/LICENSE) or [Creative Commons CC0](https://creativecommons.org/share-your-work/public-domain/cc0/).