Update app.py

app.py

@@ -2,6 +2,7 @@ import streamlit as st
 import os
 import time
 import re
+from urllib.parse import quote
 from openai import OpenAI
 
 # ------------------ Authentication ------------------
@@ -138,14 +139,12 @@ with chat_col:
                         else:
                             st.session_state.messages.append({"role": "assistant", "content": reply})
 
-                        # Extract GitHub image URLs
+                        # Extract raw GitHub image URLs
                         image_matches = re.findall(
-                            r'https://github\.com/AndrewLORTech/witspathologai/blob/main/[^\s\n]+\.png',
+                            r'https://raw\.githubusercontent\.com/AndrewLORTech/witspathologai/main/[^\s\n]+\.png',
                             reply
                         )
-                        # Transform to raw.githubusercontent.com URLs
-                        raw_urls = [url.replace("github.com", "raw.githubusercontent.com").replace("/blob/", "/") for url in image_matches]
-                        st.session_state.image_urls = raw_urls
+                        st.session_state.image_urls = image_matches
                         break
             else:
                 st.error("❌ Assistant failed to respond.")
@@ -157,12 +156,17 @@ with chat_col:
         with st.chat_message("assistant" if msg["role"] != "references" else "📄"):
             st.markdown(msg["content"], unsafe_allow_html=True)
 
-# ------------------ Image Viewer ------------------
+# ------------------ Image Viewer (with encoded URLs) ------------------
 with image_col:
     if show_image and st.session_state.image_urls:
         st.markdown("### 🖼️ Slide Previews")
         for i, raw_url in enumerate(st.session_state.image_urls):
             try:
-                st.image(raw_url, caption=f"Slide {i + 1}", use_container_width=True)
+                if "raw.githubusercontent.com" in raw_url:
+                    base = "https://raw.githubusercontent.com/"
+                    path = raw_url.replace(base, "")
+                    encoded_path = "/".join(quote(p) for p in path.split("/"))
+                    encoded_url = base + encoded_path
+                    st.image(encoded_url, caption=f"Slide {i + 1}", use_container_width=True)
             except Exception as e:
-                st.error(f"❌ Failed to load image: {e}")
+                st.error(f"❌ Failed to load image {i + 1}: {e}")