app.py

import streamlit as st
import pyttsx3  # For text-to-speech
import speech_recognition as sr  # For speech recognition
from gtts import gTTS  # Google Text-to-Speech for TTS (Alternative)
import tempfile
import os

# Initialize text-to-speech engine (pyttsx3 for offline use)
engine = pyttsx3.init()

# Function to generate speech from text
def speak_text(text):
    # Using gTTS for an easy-to-use Google Text-to-Speech implementation
    tts = gTTS(text=text, lang='en')
    tts.save("sentence.mp3")
    # Play the sentence using the default media player
    os.system("start sentence.mp3")  # For Windows; use 'afplay sentence.mp3' for macOS, 'mpg321 sentence.mp3' for Linux

# Function to record user's speech
def record_speech():
    recognizer = sr.Recognizer()
    with sr.Microphone() as source:
        st.write("Listening... Speak now!")
        audio = recognizer.listen(source)
    try:
        # Convert speech to text
        recognized_text = recognizer.recognize_google(audio)
        st.write(f"Recognized: {recognized_text}")
        return recognized_text
    except sr.UnknownValueError:
        st.write("Sorry, I could not understand your speech.")
        return None
    except sr.RequestError:
        st.write("Could not request results from Google Speech Recognition service.")
        return None

# Tab 2: Practice Shadowing (User reads/speaks English)
with tab2:
    st.header("2: English Shadowing Practice")
    
    st.write("In this section, you can practice your English speaking and reading skills.")
    
    sentence = st.text_area("Enter the sentence you want to practice", "Hello, how are you doing today?")
    
    # Button to generate speech for the sentence
    if st.button("Listen to the Sentence"):
        speak_text(sentence)
    
    # Button to record user speech
    if st.button("Record Your Speech"):
        recognized_text = record_speech()
        if recognized_text:
            if recognized_text.lower() == sentence.lower():
                st.success("Great job! Your pronunciation is correct.")
            else:
                st.warning("Oops! Your pronunciation is a bit off. Try again!")