Hello,everyone.
I met some problems,I really hope that anyone can help me.
*
*
I had writen some code in below:
*DICT_INDIUSERFORUN_LIST_BY_TYPE* = {}
def get_indiuserforum_list_by_type_form_cache(obj,obj_type,parentnode):
if parentnode == "-1":
key = "%s_%s_%s"%(obj.id,obj_type,"00")
else:
key = "%s_%s_%s"%(obj.id,obj_type,parentnode)
mydict = DICT_INDIUSERFORUN_LIST_BY_TYPE
update_time = mydict.get('update_time_%s'%key)
working_key = 'working_%s'%key
working = mydict.get(working_key)
refresh_flag = False
indiuserforum_list_by_type = []
if not update_time:
refresh_flag = True
else:
indiuserforum_list_by_type =
mydict.get('indiuserforum_list_by_type_%s'%key,[])
if not indiuserforum_list_by_type:
refresh_flag = True
else:
now = datetime.datetime.now()
delta = now - update_time
if delta.seconds > SHORT_CACHE_TIMEOUT:
refresh_flag = True
if refresh_flag and not working:
mydict[working_key] = True
try:
* indiuserforum_list_by_type = xxxxx #function to set value*
finally:
mydict[working_key] = False
mydict['indiuserforum_list_by_type_%s'%key] =
indiuserforum_list_by_type
mydict['update_time_%s'%key] = datetime.datetime.now()
return indiuserforum_list_by_type
but sometimes it occur the below error:
Traceback (most recent call last):
File "d:\python24\lib\site-packages\django\core\handlers\base.py", line
100, in get_response
response = callback(request, *callback_args, **callback_kwargs)
File "D:\PROJECT\APP\VIEWS.py", line 675, in get_message_replay_list
for replyobj in replyobj_list:
File "d:\python24\lib\site-packages\django\db\models\query.py", line 106,
in _result_iter
self._fill_cache()
File "d:\python24\lib\site-packages\django\db\models\query.py", line 760,
in _fill_cache
self._result_cache.append(self._iter.next())
ValueError: generator already executing
Many thanks
Regards
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