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titlekeywordsms.datems.topicms.devlangms.service
Azure Text Translation client library for Python
Azure, python, SDK, API, azure-ai-translation-text, translation
06/24/2024
reference
python
translation

Azure Text Translation client library for Python - version 1.0.1

Text Translation is a cloud-based REST API feature of the Translator service that uses neural machine translation technology to enable quick and accurate source-to-target text translation in real time across all supported languages.

Use the Text Translation client library for Python to:

  • Return a list of languages supported by Translate, Transliterate, and Dictionary operations.

  • Render single source-language text to multiple target-language texts with a single request.

  • Convert text of a source language in letters of a different script.

  • Return equivalent words for the source term in the target language.

  • Return grammatical structure and context examples for the source term and target term pair.

Source code | Package (PyPI) | API reference documentation | Product documentation | Samples

Getting started

Prerequisites

  • Python 3.7 or later is required to use this package.
  • An existing Translator service or Cognitive Services resource.

Install the package

Install the Azure Text Translation client library for Python with pip:

pip install azure-ai-translation-text

Create a Translator service resource

You can create Translator resource following Create a Translator resource.

Authenticate the client

Interaction with the service using the client library begins with creating an instance of the TextTranslationClient class. You will need an API key or TokenCredential to instantiate a client object. For more information regarding authenticating with cognitive services, see Authenticate requests to Translator Service.

Get an API key

You can get the endpoint, API key and Region from the Cognitive Services resource or Translator service resource information in the Azure Portal.

Alternatively, use the Azure CLI snippet below to get the API key from the Translator service resource.

az cognitiveservices account keys list --resource-group <your-resource-group-name>--name <your-resource-name>

Create a TextTranslationClient using an API key and Region credential

Once you have the value for the API key and Region, create an AzureKeyCredential. This will allow you to update the API key without creating a new client.

With the value of the endpoint, credential and a region, you can create the TextTranslationClient:

credential=AzureKeyCredential(apikey) text_translator=TextTranslationClient(credential=credential, region=region)

Key concepts

TextTranslationClient

A TextTranslationClient is the primary interface for developers using the Text Translation client library. It provides both synchronous and asynchronous operations to access a specific use of text translator, such as get supported languages detection or text translation.

Input

A text element (string), is a single unit of input to be processed by the translation models in the Translator service. Operations on TextTranslationClient may take a single text element or a collection of text elements. For text element length limits, maximum requests size, and supported text encoding see here.

Examples

The following section provides several code snippets using the clientcreated above, and covers the main features present in this client library. Although most of the snippets below make use of synchronous service calls, keep in mind that the Text Translation for Python library package supports both synchronous and asynchronous APIs.

Get Supported Languages

Gets the set of languages currently supported by other operations of the Translator.

try: response=text_translator.get_supported_languages() print( f"Number of supported languages for translate operation: {len(response.translation) ifresponse.translationisnotNoneelse0}" ) print( f"Number of supported languages for transliterate operation: {len(response.transliteration) ifresponse.transliterationisnotNoneelse0}" ) print( f"Number of supported languages for dictionary operations: {len(response.dictionary) ifresponse.dictionaryisnotNoneelse0}" ) ifresponse.translationisnotNone: print("Translation Languages:") forkey, valueinresponse.translation.items(): print(f"{key} -- name: {value.name} ({value.native_name})") ifresponse.transliterationisnotNone: print("Transliteration Languages:") forkey, valueinresponse.transliteration.items(): print(f"{key} -- name: {value.name}, supported script count: {len(value.scripts)}") ifresponse.dictionaryisnotNone: print("Dictionary Languages:") forkey, valueinresponse.dictionary.items(): print(f"{key} -- name: {value.name}, supported target languages count: {len(value.translations)}") exceptHttpResponseErrorasexception: ifexception.errorisnotNone: print(f"Error Code: {exception.error.code}") print(f"Message: {exception.error.message}") raise

For samples on using the languages endpoint refer to more samples here.

Please refer to the service documentation for a conceptual discussion of languages.

Translate

Renders single source-language text to multiple target-language texts with a single request.

try: to_language= ["cs", "es", "de"] input_text_elements= ["This is a test"] response=text_translator.translate(body=input_text_elements, to_language=to_language) translation=response[0] ifresponseelseNoneiftranslation: detected_language=translation.detected_languageifdetected_language: print( f"Detected languages of the input text: {detected_language.language} with score: {detected_language.score}." ) fortranslated_textintranslation.translations: print(f"Text was translated to: '{translated_text.to}' and the result is: '{translated_text.text}'.") exceptHttpResponseErrorasexception: ifexception.errorisnotNone: print(f"Error Code: {exception.error.code}") print(f"Message: {exception.error.message}")

For samples on using the translate endpoint refer to more samples here.

Please refer to the service documentation for a conceptual discussion of translate.

Transliterate

Converts characters or letters of a source language to the corresponding characters or letters of a target language.

try: language="zh-Hans"from_script="Hans"to_script="Latn"input_text_elements= ["这是个测试。"] response=text_translator.transliterate( body=input_text_elements, language=language, from_script=from_script, to_script=to_script, ) transliteration=response[0] ifresponseelseNoneiftransliteration: print( f"Input text was transliterated to '{transliteration.script}' script. Transliterated text: '{transliteration.text}'." ) exceptHttpResponseErrorasexception: ifexception.errorisnotNone: print(f"Error Code: {exception.error.code}") print(f"Message: {exception.error.message}") raise

For samples on using the transliterate endpoint refer to more samples here.

Please refer to the service documentation for a conceptual discussion of transliterate.

Break Sentence

Identifies the positioning of sentence boundaries in a piece of text.

try: include_sentence_length=Trueto_language= ["cs"] input_text_elements= ["The answer lies in machine translation. This is a test."] response=text_translator.translate( body=input_text_elements, to_language=to_language, include_sentence_length=include_sentence_length ) translation=response[0] ifresponseelseNoneiftranslation: detected_language=translation.detected_languageifdetected_language: print( f"Detected languages of the input text: {detected_language.language} with score: {detected_language.score}." ) fortranslated_textintranslation.translations: print(f"Text was translated to: '{translated_text.to}' and the result is: '{translated_text.text}'.") iftranslated_text.sent_len: print(f"Source Sentence length: {translated_text.sent_len.src_sent_len}") print(f"Translated Sentence length: {translated_text.sent_len.trans_sent_len}") exceptHttpResponseErrorasexception: ifexception.errorisnotNone: print(f"Error Code: {exception.error.code}") print(f"Message: {exception.error.message}")

For samples on using the break sentence endpoint refer to more samples here.

Please refer to the service documentation for a conceptual discussion of break sentence.

Dictionary Lookup

Returns equivalent words for the source term in the target language.

try: from_language="en"to_language="es"input_text_elements= ["fly"] response=text_translator.lookup_dictionary_entries( body=input_text_elements, from_language=from_language, to_language=to_language ) dictionary_entry=response[0] ifresponseelseNoneifdictionary_entry: print(f"For the given input {len(dictionary_entry.translations)} entries were found in the dictionary.") print( f"First entry: '{dictionary_entry.translations[0].display_target}', confidence: {dictionary_entry.translations[0].confidence}." ) exceptHttpResponseErrorasexception: ifexception.errorisnotNone: print(f"Error Code: {exception.error.code}") print(f"Message: {exception.error.message}") raise

For samples on using the dictionary lookup endpoint refer to more samples here.

Please refer to the service documentation for a conceptual discussion of dictionary lookup.

Dictionary Examples

Returns grammatical structure and context examples for the source term and target term pair.

try: from_language="en"to_language="es"input_text_elements= [DictionaryExampleTextItem(text="fly", translation="volar")] response=text_translator.lookup_dictionary_examples( body=input_text_elements, from_language=from_language, to_language=to_language ) dictionary_entry=response[0] ifresponseelseNoneifdictionary_entry: print(f"For the given input {len(dictionary_entry.examples)} entries were found in the dictionary.") print( f"First example: '{dictionary_entry.examples[0].target_prefix}{dictionary_entry.examples[0].target_term}{dictionary_entry.examples[0].target_suffix}'." ) exceptHttpResponseErrorasexception: ifexception.errorisnotNone: print(f"Error Code: {exception.error.code}") print(f"Message: {exception.error.message}") raise

For samples on using the dictionary examples endpoint refer to more samples here.

Please refer to the service documentation for a conceptual discussion of dictionary examples.

Troubleshooting

When you interact with the Translator Service using the TextTranslator client library, errors returned by the Translator service correspond to the same HTTP status codes returned for REST API requests.

For example, if you submit a translation request without a target translate language, a 400 error is returned, indicating "Bad Request".

You can find the different error codes returned by the service in the Service Documentation.

Provide Feedback

If you encounter any bugs or have suggestions, please file an issue in the Issues section of the project.

Next steps

More samples can be found under the samples directory.

Contributing

This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit cla.microsoft.com.

When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

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