Add verification for words in speaking grading.

helper/speech_to_text_helper.py

@@ -1,7 +1,9 @@
 import whisper
 import os
 import gtts
-from playsound import playsound
+import nltk
+nltk.download('words')
+from nltk.corpus import words
 
 def speech_to_text(file_path):
     if os.path.exists(file_path):
@@ -14,4 +16,9 @@ def speech_to_text(file_path):
 
 def text_to_speech(text: str, file_name: str):
     tts = gtts.gTTS(text)
-    tts.save(file_name)
+    tts.save(file_name)
+
+def has_words(text: str):
+    english_words = set(words.words())
+    words_in_input = text.split()
+    return any(word.lower() in english_words for word in words_in_input)