# DoctranTextTranslator

> **Class** in `langchain_community`

📖 [View in docs](https://reference.langchain.com/python/langchain-community/document_transformers/doctran_text_translate/DoctranTextTranslator)

Translate text documents using doctran.

## Signature

```python
DoctranTextTranslator(
    self,
    openai_api_key: Optional[str] = None,
    language: str = 'english',
    openai_api_model: Optional[str] = None,
)
```

## Description

**Example:**

.. code-block:: python

from langchain_community.document_transformers import DoctranTextTranslator

# Pass in openai_api_key or set env var OPENAI_API_KEY
qa_translator = DoctranTextTranslator(language="spanish")
translated_document = await qa_translator.atransform_documents(documents)

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `openai_api_key` | `Optional[str]` | No | OpenAI API key. Can also be specified via environment variable (default: `None`) |
| `language` | `str` | No | The language to translate *to*. (default: `'english'`) |

## Extends

- `BaseDocumentTransformer`

## Constructors

```python
__init__(
    self,
    openai_api_key: Optional[str] = None,
    language: str = 'english',
    openai_api_model: Optional[str] = None,
) -> None
```

| Name | Type |
|------|------|
| `openai_api_key` | `Optional[str]` |
| `language` | `str` |
| `openai_api_model` | `Optional[str]` |


## Properties

- `openai_api_key`
- `openai_api_model`
- `language`

## Methods

- [`atransform_documents()`](https://reference.langchain.com/python/langchain-community/document_transformers/doctran_text_translate/DoctranTextTranslator/atransform_documents)
- [`transform_documents()`](https://reference.langchain.com/python/langchain-community/document_transformers/doctran_text_translate/DoctranTextTranslator/transform_documents)

---

[View source on GitHub](https://github.com/langchain-ai/langchain-community/blob/4b280287bd55b99b44db2dd849f02d66c89534d5/libs/community/langchain_community/document_transformers/doctran_text_translate.py#L11)