Update app.py

app.py

@@ -5,49 +5,58 @@ import requests
 from PIL import Image
 from model import get_caption_model, generate_caption
 
-
-@st.cache_resource(allow_output_mutation=True)
+# Use st.experimental_memo instead of st.cache_resource
+@st.experimental_memo(allow_output_mutation=True)
 def get_model():
     return get_caption_model()
 
 caption_model = get_model()
 
-
 def predict():
     captions = []
-    pred_caption = generate_caption('tmp.jpg', caption_model)
-
-    st.markdown('#### Predicted Captions:')
-    captions.append(pred_caption)
-
-    for _ in range(4):
-        pred_caption = generate_caption('tmp.jpg', caption_model, add_noise=True)
-        if pred_caption not in captions:
-            captions.append(pred_caption)
-    
-    for c in captions:
-        st.write(c)
+    try:
+        pred_caption = generate_caption('tmp.jpg', caption_model)
+        st.markdown('#### Predicted Captions:')
+        captions.append(pred_caption)
+
+        for _ in range(4):
+            pred_caption = generate_caption('tmp.jpg', caption_model, add_noise=True)
+            if pred_caption not in captions:
+                captions.append(pred_caption)
+        
+        for c in captions:
+            st.write(c)
+    except Exception as e:
+        st.error(f"An error occurred during prediction: {e}")
 
 st.title('Image Captioner')
-img_url = st.text_input(label='Enter Image URL')
 
-if (img_url != "") and (img_url != None):
-    img = Image.open(requests.get(img_url, stream=True).raw)
-    img = img.convert('RGB')
-    st.image(img)
-    img.save('tmp.jpg')
-    predict()
-    os.remove('tmp.jpg')
+# Handle image URL input
+img_url = st.text_input(label='Enter Image URL')
 
+if img_url:
+    try:
+        img = Image.open(requests.get(img_url, stream=True).raw)
+        img = img.convert('RGB')
+        st.image(img)
+        img.save('tmp.jpg')
+        predict()
+        os.remove('tmp.jpg')
+    except Exception as e:
+        st.error(f"An error occurred with the image URL: {e}")
 
 st.markdown('<center style="opacity: 70%">OR</center>', unsafe_allow_html=True)
+
+# Handle image file upload
 img_upload = st.file_uploader(label='Upload Image', type=['jpg', 'png', 'jpeg'])
 
-if img_upload != None:
-    img = img_upload.read()
-    img = Image.open(io.BytesIO(img))
-    img = img.convert('RGB')
-    img.save('tmp.jpg')
-    st.image(img)
-    predict()
-    os.remove('tmp.jpg')
+if img_upload:
+    try:
+        img = Image.open(io.BytesIO(img_upload.read()))
+        img = img.convert('RGB')
+        img.save('tmp.jpg')
+        st.image(img)
+        predict()
+        os.remove('tmp.jpg')
+    except Exception as e:
+        st.error(f"An error occurred with the image upload: {e}")