allow cross-domain cookie

README.rst

@@ -250,6 +250,12 @@ changed in your own ``settings.py``:
 
     **Default:** ``False``
 
+``FLAVOURS_COOKIE_DOMAIN``
+    The value that get passed into ``HttpResponse.set_cookie``'s ``domain``
+    argument. Set this to ``.yourdomain.com`` if you want to use cross-domain cookie which is readable by its domain and its subdomains, e.g. sub.yourdomain.com. Otherwise, it's only readable by its domain.
+
+    **Default:** ``None``
+
 ``FLAVOURS_COOKIE_KEY``
     The cookie name that is used for storing the selected flavour in the
     browser.  This is only used if ``FLAVOURS_STORAGE_BACKEND`` is set to

django_mobile/__init__.py

@@ -37,6 +37,7 @@ def save(self, request, response):
             response.set_cookie(
                 smart_str(settings.FLAVOURS_COOKIE_KEY),
                 smart_str(request._flavour_cookie),
+                domain=settings.FLAVOURS_COOKIE_DOMAIN,
                 httponly=settings.FLAVOURS_COOKIE_HTTPONLY)
 
 

django_mobile/conf.py

@@ -27,6 +27,7 @@ class defaults(object):
     FLAVOURS_GET_PARAMETER = u'flavour'
     FLAVOURS_STORAGE_BACKEND = u'cookie'
     FLAVOURS_COOKIE_KEY = u'flavour'
+    FLAVOURS_COOKIE_DOMAIN = None
     FLAVOURS_COOKIE_HTTPONLY = False
     FLAVOURS_SESSION_KEY = u'flavour'
     FLAVOURS_TEMPLATE_LOADERS = []