Mise en cache des CSS de styles

src/agenda_culturel/templatetags/cat_extra.py

@@ -1,5 +1,6 @@
 from django import template
 from django.utils.safestring import mark_safe
+from django.core.cache import cache
 
 from agenda_culturel.models import Category
 import colorsys
@@ -67,6 +68,8 @@ def background_color_adjust_color(color, alpha=1):
 
 @register.simple_tag
 def css_categories():
+    result = cache.get('css_categories')
+    if not result: #
         result = '<style type="text/css">'
 
         cats = [
@@ -120,6 +123,7 @@ def css_categories():
             result += "}"
 
         result += "</style>"
+        cache.set('css_categories', result, 3600) # 1 hour
     return mark_safe(result)