cPickle

[Gerhard Häring]

gopal mishra wrote:
> I have 3 objects and want to save in one pickle file.
> 
> I used cPickle to dump 3 objects in a pkl file
> 
> i.e  cPickle.dump(object1, fileobject,  -1)
> 
>                  cPickle.dump(object2, fileobject,  -1)
> 
>                  cPickle.dump(object3, fileobject,  -1)
> 
>  
> 
> I have changed the 3^rd object and  want to save the updated 3^rd object 
> in the pickle file.
> 
> I have to dump all the 3 objects again.
> 
> Is there any way to dump only the 3^rd object in to the pkl file.

No, there isn't. You could, of course, save each object in its own 
pickle file. Or use an object database like ZODB instead.

-- Gerhard