Update app.py

app.py

@@ -11,36 +11,69 @@ class PaperManager:
         self.papers = []
         self.total_pages = 1
 
+    def calculate_score(self, paper):
+        upvotes = paper.get('paper', {}).get('upvotes', 0)
+        comments = paper.get('numComments', 0)
+        published_at_str = paper.get('publishedAt', datetime.now(timezone.utc).isoformat())
+
+        try:
+            published_time = datetime.fromisoformat(
+                published_at_str.replace('Z', '+00:00')
+            )
+        except ValueError:
+            # Handle incorrect date format
+            published_time = datetime.now(timezone.utc)
+
+        age_days = (datetime.now(timezone.utc) - published_time).total_seconds() / 86400  # Convert seconds to days
+        age_days = max(age_days, 0)  # Prevent negative ages
+
+        # Calculate score using a logarithmic scale to balance upvotes and comments
+        score = (upvotes + comments) / ((age_days + 2) ** 1.5)
+        return score
+
     def fetch_papers(self):
         try:
             response = requests.get(f"{API_URL}?limit=50")
             response.raise_for_status()
             data = response.json()
-            self.papers = sorted(data, key=lambda x: x.get('paper', {}).get('upvotes', 0), reverse=True)
+
+            # Calculate score for each paper
+            for paper in data:
+                paper['score'] = self.calculate_score(paper)
+
+            # Sort papers by score in descending order
+            self.papers = sorted(data, key=lambda x: x['score'], reverse=True)
+
             self.total_pages = (len(self.papers) + self.papers_per_page - 1) // self.papers_per_page
             self.current_page = 1
             return True
         except requests.RequestException as e:
             print(f"Error fetching papers: {e}")
             return False
+        except Exception as e:
+            print(f"Unexpected error: {e}")
+            return False
 
     def format_paper(self, paper):
         title = paper.get('title', 'No title')
-        url = f"https://huggingface.co/papers/{paper['paper'].get('id', '')}"
-        authors = ', '.join([author.get('name', '') for author in paper['paper'].get('authors', [])])
+        paper_id = paper.get('paper', {}).get('id', '')
+        url = f"https://huggingface.co/papers/{paper_id}"
+        authors = ', '.join([author.get('name', '') for author in paper.get('paper', {}).get('authors', [])])
         upvotes = paper.get('paper', {}).get('upvotes', 0)
         comments = paper.get('numComments', 0)
-        published_time = datetime.fromisoformat(paper.get('publishedAt', datetime.now(timezone.utc).isoformat()).replace('Z', '+00:00'))
-        time_ago = (datetime.now(timezone.utc) - published_time).days
-        
+        published_time = datetime.fromisoformat(
+            paper.get('publishedAt', datetime.now(timezone.utc).isoformat()).replace('Z', '+00:00')
+        )
+        time_ago_days = (datetime.now(timezone.utc) - published_time).days
+
         return f"""
         <div class="paper-item">
             <h3><a href="{url}" target="_blank">{title}</a></h3>
             <p class="paper-meta">
                 <span class="upvotes">{upvotes} ▲</span> 
-                <span class="authors">{authors}</span>
-                <span class="time-ago">{time_ago}d</span>
                 <span class="comments">{comments}💬</span>
+                <span class="authors">{authors}</span>
+                <span class="time-ago">{time_ago_days}d</span>
             </p>
         </div>
         """
@@ -66,6 +99,7 @@ class PaperManager:
         return self.render_papers(), f"Page {self.current_page} of {self.total_pages}"
 
 css = """
+/* Your existing CSS */
 body {
     font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
     background-color: #f0f2f5;
@@ -251,4 +285,4 @@ with demo:
     prev_button.click(paper_manager.prev_page, outputs=[paper_list, page_info])
     next_button.click(paper_manager.next_page, outputs=[paper_list, page_info])
 
-demo.launch()
+demo.launch()