Update app.py

app.py

@@ -27,28 +27,24 @@ def main():
     podcast_url = st.sidebar.text_input('Please paste the podcast RSS feed link here')
     latest_ep_button = st.sidebar.button("Get latest 5 Episodes")
 
-    if latest_ep_button:
+    if latest_ep_button or 'pods' in st.session_state:
         try:
-            # Extract the list of episodes for the given podcast
-            podcast_feed = feedparser.parse(podcast_url)
-            pods = {}
-            num_episodes = min(len(podcast_feed.entries), 5)
+            if latest_ep_button:
+                # Parse the podcast feed and update session state
+                podcast_feed = feedparser.parse(podcast_url)
+                st.session_state['pods'] = {
+                    pod['title']: [pod.get('links', [{}])[0].get('href', ''), pod.get('image', {}).get('href', '')] 
+                    for pod in podcast_feed.entries[:5]
+                }
 
-            for pod in podcast_feed.entries[:num_episodes]:
-                podcast_title = pod['title']
-                podcast_image = pod.get('image', {}).get('href', '')
-                episode_url = next((i['href'] for i in pod['links'] if i['type'] == 'audio/mpeg'), None)
-                pods[podcast_title] = [episode_url, podcast_image]
-
-            if pods:
+            if st.session_state['pods']:
                 # Dropdown box
                 st.sidebar.subheader("Available Podcasts Feeds")
-                podcast_five_titles = ['Select an episode'] + list(pods.keys())  # Adding a placeholder at the beginning
-                selected_podcast = st.sidebar.selectbox("Select Podcast", options=podcast_five_titles)
+                podcast_titles = ['Select an episode'] + list(st.session_state['pods'].keys())
+                selected_podcast = st.sidebar.selectbox("Select Podcast", options=podcast_titles)
 
-                # Check if the user has made a selection other than the placeholder
                 if selected_podcast and selected_podcast != 'Select an episode':
-                    podcast_link, podcast_image = pods[selected_podcast]
+                    podcast_link, podcast_image = st.session_state['pods'][selected_podcast]
 
                     st.header("Newsletter Content")