Add setting to easily be able to disable the response caching

config.py

@@ -194,5 +194,7 @@ CACHES = {
 }
 
 # This is 5 minutes caching for generated/resized images,
-# so the sites don't hit ivatar so much
+# so the sites don't hit ivatar so much - it's what's set in the HTTP header
 CACHE_IMAGES_MAX_AGE = 5 * 60
+
+CACHE_RESPONSE = False

ivatar/views.py

@@ -23,7 +23,7 @@ from pydenticon5 import Pydenticon5
 import pagan
 from robohash import Robohash
 
-from ivatar.settings import AVATAR_MAX_SIZE, JPEG_QUALITY, DEFAULT_AVATAR_SIZE
+from ivatar.settings import AVATAR_MAX_SIZE, JPEG_QUALITY, DEFAULT_AVATAR_SIZE, CACHE_RESPONSE
 from ivatar.settings import CACHE_IMAGES_MAX_AGE
 from . ivataraccount.models import ConfirmedEmail, ConfirmedOpenId
 from . ivataraccount.models import pil_format, file_format
@@ -57,6 +57,7 @@ def get_size(request, size=DEFAULT_AVATAR_SIZE):
 
 class CachingHttpResponse(HttpResponse):
     def __init__(self, uri, content=b'', content_type=None, status=200, reason=None, charset=None):
+        if CACHE_RESPONSE:
             caches['filesystem'].set(uri, {
                 'content': content,
                 'content_type': content_type,
@@ -92,6 +93,7 @@ class AvatarImageView(TemplateView):
         uri = request.build_absolute_uri()
 
         # Check the cache first
+        if CACHE_RESPONSE:
             centry = caches['filesystem'].get(uri)
             if centry:
                 # For DEBUG purpose only print('Cached entry for %s' % uri)