Hi,
I'm doing file caching and it's working pretty well. However, today
within 6 minutes I've received 14 errors by email (my site runs with
DEBUG=False), all very similar to:
File "/MYPATH/django/core/handlers/base.py", line 82, in get_response
response = callback(request, *callback_args, **callback_kwargs)
File "/MYPATH/django/views/generic/date_based.py", line 341, in
object_detail
c[key] = value()
File "/MYPATH/news/views.py", line 212, in populateSidebar
cached_sidebar = cache.get('sidebar')
File "/MYPATH/django/core/cache/backends/filebased.py", line 47, in
get
return pickle.load(f)
AttributeError: 'dict' object has no attribute 'append'
The issue is apparently in the following function:
def populateSidebar(request=None):
cached_sidebar = cache.get('sidebar')
if cached_sidebar is not None and settings.CACHE_ENABLED:
return cached_sidebar
else:
sidebar = {}
sidebar["countries"] = [country for country in
Country.objects.exclude(id=1).order_by('name')]
sidebar["photo"] =
FlickrPhoto.objects.filter(aspect_ratio__gte=1).order_by('?')[0]
if settings.CACHE_ENABLED:
cache.set('sidebar', sidebar, settings.SIDEBAR_CACHE_TIME)
return sidebar
Again, it works pretty much all the time, but apparently it crashed a
few times within a short time (6 minutes).
What could have caused that, and how could I avoid it? Any help or
advice would be much appreciated.
Note that I'm using file caching for many other views/functions of the
site, and none of them have generated any error so far.
Thanks a lot!!
Julien
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