Add DeepL provider

translate/providers/__init__.py

@@ -3,5 +3,6 @@
 
 from .mymemory_translated import MyMemoryProvider  # noqa
 from .microsoft import MicrosoftProvider  # noqa
+from .deepl import DeeplProvider  # noqa
 
-__all__ = ['MyMemoryProvider', 'MicrosoftProvider']
+__all__ = ['MyMemoryProvider', 'MicrosoftProvider', 'DeeplProvider']

translate/providers/deepl.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+# encoding: utf-8
+import requests
+import json
+
+from .base import BaseProvider
+from ..constants import TRANSLATION_FROM_DEFAULT
+from ..exceptions import TranslationError
+
+
+class DeeplProvider(BaseProvider):
+    '''
+    @DeeplProvider: This is a integration with DeepL Translator API.
+    Website: https://www.deepl.com
+    Documentation: https://www.deepl.com/docs-api
+    '''
+    name = 'Deepl'
+    base_url = 'https://api-free.deepl.com/v2/translate'
+
+    def _make_request(self, text):
+        params = {
+            'auth_key': self.secret_access_key,
+            'target_lang': self.to_lang,
+            'text': text
+        }
+
+        if self.from_lang != TRANSLATION_FROM_DEFAULT:
+            params['source_lang'] = self.from_lang
+
+        response = requests.post(self.base_url, params=params, headers=self.headers, json=[{}])
+        return json.loads(response.text)
+
+    def get_translation(self, text):
+        data = self._make_request(text)
+
+        if "error" in data:
+            raise TranslationError(data["error"]["message"])
+
+        return data["translations"][0]["text"]

translate/translate.py

@@ -3,14 +3,15 @@
 from textwrap import wrap
 
 from .exceptions import InvalidProviderError
-from .providers import MyMemoryProvider, MicrosoftProvider
+from .providers import MyMemoryProvider, MicrosoftProvider, DeeplProvider
 
 DEFAULT_PROVIDER = MyMemoryProvider
 TRANSLATION_API_MAX_LENGHT = 1000
 
 PROVIDERS_CLASS = {
     'mymemory': MyMemoryProvider,
-    'microsoft': MicrosoftProvider
+    'microsoft': MicrosoftProvider,
+    'deepl': DeeplProvider
 }