feat: Add Bing Translator and improve LibreTranslate reliability
- Added Bing Translator as a new free translation service with priority 3 - Enhanced LibreTranslate with multiple backup URLs and HTML detection - Improved error handling for LibreTranslate to detect HTML error pages - Reordered translation providers with more reliable free services first - Added comprehensive fallback mechanism for LibreTranslate failures - Updated provider list UI to include Bing Translator in free services section - Enhanced translation service robustness and success rate
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Cyber Dick Lang
@@ -556,43 +556,108 @@ class LibreTranslateProvider(TranslationProvider):
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super().__init__("LibreTranslate (Free)", True, False)
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self.priority = 2
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self.base_url = "https://libretranslate.de/translate"
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self.backup_urls = [
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"https://translate.argosopentech.com/translate",
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"https://libretranslate.com/translate"
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]
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def translate(self, text: str, target_lang: str, source_lang: str = "auto", api_key: str = None) -> Tuple[bool, str]:
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data = {
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'q': text,
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'source': source_lang if source_lang != "auto" else "en",
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'target': target_lang,
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'format': 'text'
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}
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# Try primary URL first
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urls_to_try = [self.base_url] + self.backup_urls
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for i, url in enumerate(urls_to_try, 1):
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try:
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print(f" 🔗 Connecting to LibreTranslate API (URL {i}/{len(urls_to_try)})...")
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print(f" 📤 Sending request: {source_lang} -> {target_lang}")
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response = requests.post(url, data=data, timeout=10)
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print(f" 📥 Response status: {response.status_code}")
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if response.status_code == 200:
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# Check if response is HTML (error page)
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if response.text.strip().startswith('<!DOCTYPE html>') or response.text.strip().startswith('<html'):
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print(f" ⚠️ URL {i} returned HTML page, trying next...")
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continue
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# Check if response is empty
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if not response.text.strip():
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print(f" ⚠️ URL {i} returned empty response, trying next...")
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continue
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try:
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result = response.json()
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if 'translatedText' in result:
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translated_text = result['translatedText']
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print(f" ✅ LibreTranslate success (URL {i}): {len(translated_text)} characters")
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return True, translated_text
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print(f" ⚠️ URL {i}: Invalid response format - {result}")
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continue
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except ValueError as e:
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print(f" ⚠️ URL {i}: JSON parse error - {response.text[:100]}...")
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continue
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else:
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print(f" ⚠️ URL {i}: HTTP {response.status_code}, trying next...")
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continue
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except Exception as e:
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print(f" ⚠️ URL {i} failed: {str(e)}, trying next...")
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continue
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print(f" ❌ LibreTranslate: All URLs failed")
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return False, "All LibreTranslate URLs failed"
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class BingTranslateProvider(TranslationProvider):
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"""Bing Translator (Free) - Microsoft's free translation service"""
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def __init__(self):
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super().__init__("Bing Translator (Free)", True, False)
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self.priority = 3
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self.base_url = "https://api.cognitive.microsofttranslator.com/translate"
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def translate(self, text: str, target_lang: str, source_lang: str = "auto", api_key: str = None) -> Tuple[bool, str]:
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try:
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print(f" 🔗 Connecting to LibreTranslate API...")
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data = {
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'q': text,
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'source': source_lang if source_lang != "auto" else "en",
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'target': target_lang,
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'format': 'text'
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print(f" 🔗 Connecting to Bing Translator API...")
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# Use a public endpoint that doesn't require API key
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headers = {
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
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}
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params = {
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'api-version': '3.0',
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'to': target_lang
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}
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if source_lang != "auto":
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params['from'] = source_lang
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body = [{'text': text}]
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print(f" 📤 Sending request: {source_lang} -> {target_lang}")
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response = requests.post(self.base_url, data=data, timeout=10)
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response = requests.post(self.base_url, params=params, headers=headers, json=body, timeout=10)
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print(f" 📥 Response status: {response.status_code}")
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response.raise_for_status()
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# Check if response is empty or not JSON
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if not response.text.strip():
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print(f" ❌ LibreTranslate: Empty response")
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return False, "Empty response from LibreTranslate"
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try:
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if response.status_code == 200:
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result = response.json()
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if 'translatedText' in result:
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translated_text = result['translatedText']
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print(f" ✅ LibreTranslate success: {len(translated_text)} characters")
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if result and len(result) > 0 and 'translations' in result[0]:
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translated_text = result[0]['translations'][0]['text']
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print(f" ✅ Bing Translator success: {len(translated_text)} characters")
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return True, translated_text
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print(f" ❌ LibreTranslate: Invalid response format - {result}")
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print(f" ❌ Bing Translator: Invalid response format")
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return False, "Invalid response format"
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except ValueError as e:
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print(f" ❌ LibreTranslate: JSON parse error - {response.text[:100]}...")
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return False, f"JSON parse error: {str(e)}"
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else:
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print(f" ❌ Bing Translator: HTTP {response.status_code}")
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return False, f"HTTP error {response.status_code}"
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except Exception as e:
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print(f" ❌ LibreTranslate error: {str(e)}")
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return False, f"LibreTranslate error: {str(e)}"
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print(f" ❌ Bing Translator error: {str(e)}")
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return False, f"Bing Translator error: {str(e)}"
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class MyMemoryProvider(TranslationProvider):
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@@ -600,7 +665,7 @@ class MyMemoryProvider(TranslationProvider):
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def __init__(self):
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super().__init__("MyMemory (Free)", True, False)
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self.priority = 3
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self.priority = 4
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self.base_url = "https://api.mymemory.translated.net/get"
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def translate(self, text: str, target_lang: str, source_lang: str = "auto", api_key: str = None) -> Tuple[bool, str]:
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@@ -735,14 +800,15 @@ class TextTranslatorAPI_UTK:
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def __init__(self):
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self.providers = {
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"Google Translate (Free)": GoogleTranslateProvider(),
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"Bing Translator (Free)": BingTranslateProvider(),
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"LibreTranslate (Free)": LibreTranslateProvider(),
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"MyMemory (Free)": MyMemoryProvider(),
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"GLM-4 Flash (Free)": GLM4FlashProvider(),
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"Silicon Flow (Free)": SiliconFlowProvider(),
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"Baidu Translate (Free)": BaiduTranslateProvider(),
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"Youdao Translate (Free)": YoudaoTranslateProvider(),
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"Microsoft Translator (Free)": MicrosoftTranslateProvider(),
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"Google Translate (Free)": GoogleTranslateProvider(),
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"LibreTranslate (Free)": LibreTranslateProvider(),
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"MyMemory (Free)": MyMemoryProvider(),
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"DeepL (Paid)": DeepLProvider(),
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"Azure Translator (Paid)": AzureTranslatorProvider(),
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}
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@@ -788,14 +854,15 @@ class TextTranslatorAPI_UTK:
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"auto",
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"--- Free Services ---",
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"Google Translate (Free)",
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"Bing Translator (Free)",
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"LibreTranslate (Free)",
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"MyMemory (Free)",
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"--- Require API Key ---",
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"Microsoft Translator (Free)",
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"GLM-4 Flash (Free)",
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"Silicon Flow (Free)",
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"Baidu Translate (Free)",
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"Youdao Translate (Free)",
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"Microsoft Translator (Free)",
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"DeepL (Paid)",
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"Azure Translator (Paid)"
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]
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