Create app.py

app.py

@@ -0,0 +1,45 @@
+import streamlit as st
+
+from extractor import extract_ppt_text, extract_pdf_text
+from tts_engine import generate_voice
+
+st.title("AI Lecture Voice Generator")
+
+st.write("Convert PPT, PDF, or Text into Indian English or Tamil speech")
+
+file = st.file_uploader(
+    "Upload PPT, PDF, or TXT file",
+    type=["pptx","pdf","txt"]
+)
+
+language = st.selectbox(
+    "Select Voice Language",
+    ["English","Tamil"]
+)
+
+text_data = ""
+
+if file:
+
+    if file.name.endswith(".pptx"):
+        text_data = extract_ppt_text(file)
+
+    elif file.name.endswith(".pdf"):
+        text_data = extract_pdf_text(file)
+
+    else:
+        text_data = file.read().decode()
+
+    st.subheader("Extracted Text")
+
+    st.text_area("Preview", text_data, height=200)
+
+if st.button("Generate Lecture Voice"):
+
+    if text_data == "":
+        st.warning("Upload file first")
+        st.stop()
+
+    audio = generate_voice(text_data, language)
+
+    st.audio(audio)