flask seo code example

Example: flask seo

@app.route('/sitemap.xml', methods=['GET'])
def sitemap():
    try:
      """Generate sitemap.xml. Makes a list of urls and date modified."""
      pages=[]
      ten_days_ago=(datetime.now() - timedelta(days=7)).date().isoformat()
      # static pages
      for rule in app.url_map.iter_rules():
          if "GET" in rule.methods and len(rule.arguments)==0:
              pages.append(
                           ["http://pythonprogramming.net"+str(rule.rule),ten_days_ago]
                           )

      sitemap_xml = render_template('sitemap_template.xml', pages=pages)
      response= make_response(sitemap_xml)
      response.headers["Content-Type"] = "application/xml"    
    
      return response
    except Exception as e:
        return(str(e))