Feat: Replaced old translator module. The new translator can translate by using LibreTranslate or DeepL with an user provided API key

src/extra/translator/engines/__init__.py

@@ -0,0 +1 @@
+# -*- coding: utf-8 -*-

src/extra/translator/engines/deep_l.py

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+# -*- coding: utf-8 -*-
+import config
+from deepl import Translator
+
+def translate(text: str, target_language: str) -> str:
+    key = config.app["translator"]["translator_api_key"]
+    t = Translator(key)
+    return t.translate_text(text, target_lang=target_language).text
+
+def languages():
+    key = config.app["translator"]["translator_api_key"]
+    t = Translator(key)
+    langs = t.get_target_languages()
+    return langs

src/extra/translator/engines/libre_translate.py

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+# -*- coding: utf-8 -*-
+""" Modified Libretranslatepy module which adds an user agent for making requests against more instances. """
+import json
+from typing import Any, Dict
+from urllib import request, parse
+from libretranslatepy import LibreTranslateAPI
+
+class CustomLibreTranslateAPI(LibreTranslateAPI):
+    USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
+
+    def _create_request(self, url: str, method: str, data: Dict[str, str]) -> request.Request:
+        url_params = parse.urlencode(data)
+        req = request.Request(url, method=method, data=url_params.encode())
+        req.add_header("User-Agent", self.USER_AGENT)
+        return req
+
+    def translate(self, q: str, source: str = "en", target: str = "es", timeout: int | None = None) -> Any:
+        url = self.url + "translate"
+        params: Dict[str, str] = {"q": q, "source": source, "target": target}
+        if self.api_key is not None:
+            params["api_key"] = self.api_key
+        req = self._create_request(url=url, method="POST", data=params)
+        response = request.urlopen(req, timeout=timeout)
+        response_str = response.read().decode()
+        return json.loads(response_str)["translatedText"]
+
+    def detect(self, q: str, timeout: int | None = None) -> Any:
+        url = self.url + "detect"
+        params: Dict[str, str] = {"q": q}
+        if self.api_key is not None:
+            params["api_key"] = self.api_key
+        req = self._create_request(url=url, method="POST", data=params)
+        response = request.urlopen(req, timeout=timeout)
+        response_str = response.read().decode()
+        return json.loads(response_str)
+
+    def languages(self, timeout: int | None = None) -> Any:
+        url = self.url + "languages"
+        params: Dict[str, str] = dict()
+        if self.api_key is not None:
+            params["api_key"] = self.api_key
+        req = self._create_request(url=url, method="GET", data=params)
+        response = request.urlopen(req, timeout=timeout)
+        response_str = response.read().decode()
+        return json.loads(response_str)