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A flexible python tool to translate between different languages in a simple way.

Project description

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Translation for humans

A flexible FREE and UNLIMITED tool to translate between different languages in a simple way using multiple translators.

Motivation

I needed to translate a text using python. It was hard to find a simple way to do it. There are other libraries that can be used for this task, but most of them are buggy, not free, limited, not supported anymore or complex to use.

Therefore, I decided to build this simple tool. It is 100% free, unlimited, easy to use and provide support for all languages.

Basically, my goal was to integrate support for multiple famous translators in this tool.

When you should use it

  • If you want to translate text using python

  • If you want to translate from a file

  • If you want to get translations from many sources and not only one

  • If you want to automate translations

  • If you want to compare different translations

  • If you want to detect language automatically

Why you should use it

  • It’s the only python tool that integrates many translators

  • High level of abstraction

  • Automatic language detection

  • Easy to use and extend

  • Support for most famous universal translators

  • Stable and maintained regularly

Features

  • Support for google translate

  • Support for Pons translator

  • Support for the Linguee translator

  • Support for the Mymemory translator

  • Automatic single language detection

  • Batch language detection

  • Translate directly from a text file

  • Get multiple translation for a word

  • Automate the translation of different paragraphs in different languages

  • Translate directly from terminal (version >= 1.1.0)

Installation

Install the stable release:

$ pip install -U deep_translator

take a look at the docs if you want to install from source.

Quick Start

from deep_translator import GoogleTranslator
translated = GoogleTranslator(source='auto', target='de').translate("keep it up, you are awesome")  # output -> Weiter so, du bist großartig

or from terminal

$ deep_translator -trans "google" -src "en" -tg "de" -txt "keep it up, you are awesome"

Usage

In this section, demos on how to use all different integrated translators in this tool are provided. This includes the google, pons, linguee and mymemory translator (at least for now). Perhaps more translators will be integrated in the future.

Imports

from deep_translator import (GoogleTranslator,
                             PonsTranslator,
                             LingueeTranslator,
                             MyMemoryTranslator,
                             single_detection,
                             batch_detection)

Check Supported Languages

# default return type is a list
langs_list = GoogleTranslator.get_supported_languages()  # output: [arabic, french, english etc...]

# alternatively, you can the dictionary containing languages mapped to their abbreviation
langs_dict = GoogleTranslator.get_supported_languages(as_dict=True)  # output: {arabic: ar, french: fr, english:en etc...}

Language Detection

  • Single Text Detection

lang = single_detection('bonjour la vie', api_key='your_api_key')
print(lang) # output: fr
  • Batch Detection

lang = batch_detection(['bonjour la vie', 'hello world'], api_key='your_api_key')
print(lang) # output: [fr, en]

Google Translate

text = 'happy coding'
  • You can use automatic language detection to detect the source language:

translated = GoogleTranslator(source='auto', target='de').translate(text=text)
  • You can pass languages by name:

translated = GoogleTranslator(source='auto', target='german').translate(text=text)
  • Alternatively, you can pass languages by their abbreviation:

translated = GoogleTranslator(source='en', target='de').translate(text=text)
  • Translate from a file:

translated = GoogleTranslator(source='auto', target='german').translate_file('path/to/file')
  • Automate translation by detecting the source language and translate it automatically to the desired language

# this is useful if you have many sentences in different languages and want to automate the translation process
translated = GoogleTranslator(source='auto', target='de').translate_sentences([your_list_of_sentences])

Mymemory Translator

  • Simple translation

text = 'Keep it up. You are awesome'

translated = MyMemoryTranslator(source='auto', target='french').translate(text)
  • Translate a list of sentences or paragraphs

texts = ["hallo welt", "guten morgen"]
translated = MyMemoryTranslator('de', 'english').translate_sentences(texts)
  • Translate from file

path = "your_file.txt"

translated = MyMemoryTranslator(source='en', target='fr').translate_file(path)

Linguee Translator

word = 'good'
  • Simple Translation

translated_word = LingueeTranslator(source='english', target='french').translate(word)

# pass language by their abbreviation
translated_word = LingueeTranslator(source='en', target='fr').translate(word)
  • Return all synonyms or words that matches

# set the argument return_all to True if you want to get all synonyms of the word to translate
translated_word = LingueeTranslator(source='english', target='french').translate(word, return_all=True)
  • Translate a batch of words

translated_words = LingueeTranslator(source='english', target='french').translate_words(["good", "awesome"])

PONS Translator

word = 'awesome'
  • Simple Translation

translated_word = PonsTranslator(source='english', target='french').translate(word)

# pass language by their abbreviation
translated_word = PonsTranslator(source='en', target='fr').translate(word)
  • Return all synonyms or words that matches

# set the argument return_all to True if you want to get all synonyms of the word to translate
translated_word = PonsTranslator(source='english', target='french').translate(word, return_all=True)
  • Translate a batch of words

translated_words = LingueeTranslator(source='english', target='french').translate_words(["good", "awesome"])

Usage from Terminal

For a quick access, you can use the deep_translator from terminal. For this to work, you need to provide the right arguments, which are the translator you want to use, source language, target language and the text you want to translate.

For example, provide “google” as an argument to use the google translator. Alternatively you can use the other supported translators. Just read the documentation to have an overview about the supported translators in this library.

$ deep_translator --translator "google" --source "english" --target "german" --text "happy coding"

Or you can go for the short version:

$ deep_translator -trans "google" -src "english" -tg "german" -txt "happy coding"

If you want, you can also pass the source and target language by their abbreviation

$ deep_translator -trans "google" -src "en" -tg "de" -txt "happy coding"

Side Hint

Generally, I find the google and mymemory translators suitable for translating texts/paragraphs, whereas the pons and linguee translators are good choices if you want to translate words.

Next Steps

Take a look in the examples folder for more :) Contributions are always welcome. Read the Contribution guildlines Here

The Translator++ mobile app

Icon of the app

After developing the deep_translator, I realised how cool this would be if I can use it as an app on my mobile phone. Sure, there is google translate, pons and linguee apps etc.. but isn’t it cooler to make an app where all these translators are integrated?

Long story short, I started working on the app. I decided to use the kivy framework since I wanted to code in python and to develop a cross platform app. I open sourced the Translator++ app on my github too. Feel free to take a look at the code or make a pull request ;)

I published the first release on google play store on 02-08-2020

Here are some screenshots:

  • Phone

screenshot1 screenshot2 spinner
  • Tablet:

screenshot3

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