register updated geometries for tile cache invalidation

src/c3nav/mapdata/views.py

@@ -9,6 +9,11 @@ from c3nav.mapdata.render.svg import SVGRenderer
 
 
 def tile(request, level, zoom, x, y, format):
+    import cProfile
+    import pstats
+    pr = cProfile.Profile()
+    pr.enable()
+
     zoom = int(zoom)
     if not (0 <= zoom <= 10):
         raise Http404
@@ -72,6 +77,12 @@ def tile(request, level, zoom, x, y, format):
     else:
         data = f.read()
 
+    pr.disable()
+    s = open('/tmp/profiled', 'w')
+    sortby = 'cumulative'
+    ps = pstats.Stats(pr, stream=s).sort_stats(sortby)
+    ps.print_stats()
+
     response = HttpResponse(data, content_type)
     response['ETag'] = etag
     response['Cache-Control'] = 'no-cache'