[Metakit] keeping views in a dictionary?

[Adam Russell]

Below is a test of something I thought of.
I create a hashed view and then store the view in a dictionary.
I then try and use the vw from teh dict. Fails every time with a system 
error.
Should this be able to work? Is my test code wrong somehow?







import metakit

class mk_test:

   stored_views={}
  
   def getVW(self,dt):
       if self.stored_views.has_key(dt):
           print "has view in dict"
           return self.stored_views[dt]
       else:
           db=metakit.storage("temp"+dt+".mk",1)
           db.autocommit()
       vw=db.getas("linelists[mid:S,field:S]";)
       m=db.getas(dt+'_map[_H:I,_R:I]')
       vw=vw.hash(m,1)
       self.stored_views[dt]=vw
       return vw
      
   def load(self,dt):
       vw=self.getVW(dt)
       for i in range(9):
           vw.append(str(i),"ill")
          
   def getRows(self,dt):
       vw=self.getVW(dt)
       for r in vw:
           print r.mid,r.field

if __name__=="__main__":
   dt="01_01_2004"
   mt=mk_test()
   mt.load(dt)
   mt.getRows(dt)
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