Streaming reg_reports page to client

uber/decorators.py

@@ -579,9 +579,14 @@ def render(template_name_list, data=None, encoding='utf-8'):
     data = renderable_data(data)
     env = JinjaEnv.env()
     template = env.get_or_select_template(template_name_list)
-    rendered = template.render(data)
+    cherrypy.response.stream = True
+    rendered = template.generate(data)
     if encoding:
-        return rendered.encode(encoding)
+        for idx, chunk in enumerate(rendered):
+            print(f"Rendering chunk {idx}")
+            import time
+            time.sleep(0.01)
+            yield chunk.encode(encoding)
     return rendered
 
 

uber/site_sections/reg_reports.py

@@ -60,6 +60,7 @@ def attendee_receipt_discrepancies(self, session, include_pending=False, page=1)
             'attendees': receipt_query.limit(50).offset(offset),
             'include_pending': include_pending,
         }
+    attendee_receipt_discrepancies._cp_config = {'response.stream': True}
 
     @log_pageview
     def attendees_nonzero_balance(self, session, include_no_receipts=False):