show number of papers found

app.py

@@ -29,7 +29,10 @@ def main():
             'HF Space',
         ],
                                            label='With')
+
+        number_of_papers = gr.Textbox(label='Number of found papers')
         table = gr.HTML(show_label=False)
+
         gr.Markdown(FOOTER)
 
         demo.load(paper_list.render,
@@ -38,21 +41,30 @@ def main():
                       case_sensitive,
                       names_with_link,
                   ],
-                  outputs=table)
+                  outputs=[
+                      number_of_papers,
+                      table,
+                  ])
         search_button.click(paper_list.render,
                             inputs=[
                                 search_box,
                                 case_sensitive,
                                 names_with_link,
                             ],
-                            outputs=table)
+                            outputs=[
+                                number_of_papers,
+                                table,
+                            ])
         names_with_link.change(paper_list.render,
                                inputs=[
                                    search_box,
                                    case_sensitive,
                                    names_with_link,
                                ],
-                               outputs=table)
+                               outputs=[
+                                   number_of_papers,
+                                   table,
+                               ])
 
     demo.launch(enable_queue=True, share=False)
 

papers.py

@@ -20,7 +20,7 @@ class PaperList:
             </tr>'''
 
     def render(self, search_query: str, case_sensitive: bool,
-               names_with_link: list[str]) -> str:
+               names_with_link: list[str]) -> tuple[int, str]:
         df = self.table
         if search_query:
             if case_sensitive:
@@ -33,7 +33,7 @@ class PaperList:
         has_hf_space = 'HF Space' in names_with_link
         df = self.filter_table(df, has_supp, has_arxiv, has_github,
                                has_hf_space)
-        return self.to_html(df)
+        return len(df), self.to_html(df)
 
     def filter_table(self, df: pd.DataFrame, has_supp: bool, has_arxiv: bool,
                      has_github: bool, has_hf_space: bool) -> pd.DataFrame: