Update lang_detect.py

lang_detect.py

@@ -1,40 +1,16 @@
-from langdetect import detect_langs
+from gtts import gTTS
+import io
 
-def detect_language(text):
-    """Detect the language of input text with confidence scores and robust native mapping."""
+def text_to_speech(text, target_lang):
     try:
-        if len(text) < 10:  # Minimum length for reliable detection
-            return [("English", 1.0, "English")]
-
-        # Get list of detected languages with confidence scores
-        lang_detections = detect_langs(text)
-        
-        # Mapping of detected codes to native language names and supported languages
-        native_lang_map = {
-            "en": ("English", "English"),
-            "fr": ("Français", "French"),
-            "es": ("Español", "Spanish"),
-            "de": ("Deutsch", "German"),
-            "hi": ("हिन्दी", "Hindi"),
-            "zh": ("中文", "Chinese"),
-            "ar": ("العربية", "Arabic"),
-            "ru": ("Русский", "Russian"),
-            "ja": ("日本語", "Japanese"),
-        }
-
-        detected_options = []
-        for lang in lang_detections:
-            lang_code = lang.lang
-            confidence = lang.prob
-            if confidence >= 0.7:  # Confidence threshold
-                native_name, mapped_lang = native_lang_map.get(lang_code, ("Unknown", "English"))
-                detected_options.append((mapped_lang, confidence, native_name))
-
-        # Return top options or default to English if none meet threshold
-        if not detected_options:
-            detected_options = [("English", 0.5, "English")]  # Low confidence fallback
-        return [(lang, conf, native) for lang, conf, native in detected_options[:3]]  # Return top 3 options
-
-    except Exception as e:
-        st.error(f"Language detection failed: {str(e)}")
-        return [("English", 0.5, "English")]  # Fallback with low confidence
+        if not text:
+            return None
+        lang_map = {"en": "en", "fr": "fr", "es": "es", "de": "de", "hi": "hi", "zh": "zh-cn", "ar": "ar", "ru": "ru", "ja": "ja"}
+        lang_code = lang_map.get(target_lang, "en")
+        tts = gTTS(text=text[:200], lang=lang_code)
+        audio_buffer = io.BytesIO()
+        tts.write_to_fp(audio_buffer)
+        audio_buffer.seek(0)
+        return audio_buffer if audio_buffer.getbuffer().nbytes > 0 else None
+    except Exception:
+        return None