Update app.py

app.py

@@ -3,13 +3,23 @@ from datetime import datetime, timedelta
 import google.generativeai as genai
 from github import Github, GithubException
 import docx
+import re
+
+def extract_repo_name(github_url):
+    # Use regex to extract the username and repo name from the URL
+    match = re.search(r'github\.com/([^/]+)/([^/]+)', github_url)
+    if match:
+        return f"{match.group(1)}/{match.group(2)}"
+    return None
 
 def generate_release_notes(github_url, github_token, gemini_api_key, start_date, end_date):
     try:
         g = Github(github_token)
         
-        # Extract the repository name from the full URL
-        repo_name = '/'.join(github_url.split('/')[-2:])
+        repo_name = extract_repo_name(github_url)
+        if not repo_name:
+            return "Error: Invalid GitHub URL format.", None
+        
         repo = g.get_repo(repo_name)
         
         start_date = datetime.strptime(start_date, "%Y-%m-%d")
@@ -54,7 +64,7 @@ def generate_release_notes(github_url, github_token, gemini_api_key, start_date,
         for line in release_notes.split('\n'):
             if line.strip().endswith(':'):
                 doc.add_heading(line.strip(), level=1)
-            elif line.strip().startswith('•') or line.strip()[0].isdigit():
+            elif line.strip().startswith('•') or (line.strip() and line.strip()[0].isdigit()):
                 doc.add_paragraph(line.strip(), style='List Bullet')
             else:
                 doc.add_paragraph(line)