python - Decorators on Django Template Filters? -

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I have a template filter that works a lot easier and works well, but I have a decorator I want to use. Unfortunately, the decorator causes a dirty deggo error that does not make any sense ...

The code that works: 

  @ register.filter (Name = "has_network") with defn (does not work):        
  @ Register.filter (name = "has_network") @cache_function (30) defNetwork (profile, network): hnworkfunk = gateway (profile, "has_% s"% network) returns hnworkfunction ()  
 
 Here is an error: 
 
 
 TemplateSyntaxError at / 
 
 Rendering An exception was caught when doing: Pop from the empty list 
 
 
 I have tried to establish a break point inside the decorator and I am sure that it is not being called ... < / P> 
  But just in case the decorator (I know someone will ask for it)  
 
 I changed the decorator (temporarily) with a fake decorator N off, but i still get the same error 
 
  def cache_function (cache_ti Meout): DEF Cover (FN): DEF DECORATOR (* AGR, ** QUARGE): Returns FN (* ALGS, **  
 
  Editing  Confirmed  : This is the reason because decorator  * args  and  ** kwargs ? Do I think that  pop ()  is being called to ensure that at least one ARG is taken? 
 
 The decorator fixes this problem: 
 
   
 Unfortunately this is a ruins of the usual nature: Decorator: / What to do now?   
 
 
 Last reply: Add an extra log for decorator which indicates what is being decorated  
 Something might be more beautiful, but it works.  
 django.core.cache Import cache from django.db.models.query Import Query Try: Exclude CPickle import dumps: hashlib import sha1 cache_miss = object () class Pickle with CantPickleAQuerySet (exception) From import dumps: def cache_function (cache_timeout, func_type = 'generic'): def wrapper (fn): DEF decoration (or * args, ** quarges): try: cache_indentifier = "% s% s% s% s "Exception:% (fn .___ module__, fn .___ name__, dump (RGS), dump (case) except the exception:" Print Error:% s \ n Failed to generate cache key:% s (% e, Fn.__ module__, fn .___name__) retire Fn (* args, ** quaerge) cache_key = key = sha1 (cache_indentifier) ​​.hexdigest () value = Cache.get (cache_key, cache_miss) If the value is cache_miss: value = fn (* args, ** kwargs) if ifinstance (value , QuerySet): Increase the CantPickleAQuerySet ("You can not cache a query but you can cache a list! Just change your query (the value you are returning) to the list so that 'Return list (queries) ) Try: cache.set (cache_key, value, cache_timeout) Except exception, e: print "error:% s \ nFailed cache For:% s \ nvalue:% s "% (e, cache_indentifiers, value) return value no_arg2 = object () def filter_decorator (arg1, arg2 = no_arg2): if arg2 is no_arg2: return decorator (arg1) other: return Decorator (Arg1, arg2) If func_type == 'generic': return decorator elif func_type == 'filter': return filter_decorator return wrapper

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