Update app.py

rispristinate everything

app.py

@@ -23,6 +23,14 @@ if __name__ == "__main__":
         "Summarization type", options=["Extractive", "Abstractive"]
     )
 
+    st.markdown(
+        "Enter a text or a url to get a concise summary of the article while conserving the overall meaning. This app supports text in the following formats:"
+    )
+    st.markdown(
+        """- Raw text in text box 
+- URL of article/news to be summarized 
+- .txt, .pdf, .docx file formats"""
+    )
     st.markdown("---")
     # ---------------------------
     # SETUP & Constants
@@ -34,17 +42,31 @@ if __name__ == "__main__":
     abs_min_length = 30
     # ---------------------------
 
+    inp_text = st.text_input("Enter text or a url here")
+    st.markdown(
+        "<h3 style='text-align: center; color: green;'>OR</h3>",
+        unsafe_allow_html=True,
+    )
     uploaded_file = st.file_uploader(
         "Upload a .txt, .pdf, .docx file for summarization"
     )
 
-    #if uploaded_file:
-    clean_txt = read_text_from_file(uploaded_file)
-    clean_txt = clean_text(clean_txt)
+    is_url = validators.url(inp_text)
+    if is_url:
+        # complete text, chunks to summarize (list of sentences for long docs)
+        text, clean_txt = fetch_article_text(url=inp_text)
+    elif uploaded_file:
+        clean_txt = read_text_from_file(uploaded_file)
+        clean_txt = clean_text(clean_txt)
+    else:
+        clean_txt = clean_text(inp_text)
 
     # view summarized text (expander)
     with st.expander("View input text"):
-        st.write(clean_txt)
+        if is_url:
+            st.write(clean_txt[0])
+        else:
+            st.write(clean_txt)
     summarize = st.button("Summarize")
 
     # called on toggle button [summarize]