Update app.py

app.py

@@ -1,6 +1,23 @@
 import streamlit as st
 from transformers import pipeline
 
+# function part
+# img2text
+def img2text(url):
+    image_to_text_model = pipeline("image-to-text", model="Salesforce/blip-image-captioning-base")
+    text = image_to_text_model(url)[0]["generated_text"]
+    return text
+
+# text2story
+def text2story(text):
+    story_text = ""   # to be completed
+    return story_text
+
+# text2audio
+def text2audio(story_text):
+    audio_data = ""     # to be completed
+    return audio_data
+
 st.set_page_config(page_title="Your Image to Audio Story",
                    page_icon="🦜")
 st.header("Turn Your Image to Audio Story")