How to copy an instance without its cStringIO.StringO item ?

[John Machin]

On 9/02/2009 8:51 PM, Barak, Ron wrote:
> Hi John,
> 
> Thanks for the suggestion.
> 
> What I do now in preparation for pickling is:
> 
>             for_pickle_log_stream = LogStream(sac_log_file)   
>             for key in log_stream.__dict__:
>                 if key != "input_file":
>                     for_pickle_log_stream.__dict__[key] = 
> log_stream.__dict__[key]
>             del for_pickle_log_stream.__dict__["input_file"]   
> 
> (i.e., log_stream is the source instance, and for_pickle_log_stream is 
> the target)
> 
> So, it seems to be in agreement with your suggestion.

which was
"""
  If there is no chance that some other thread could be accessing the
  source object, can't the OP just do:
      temp = source.stringio
      del source.stringio
      # make a pickle from source
      source.stringio = temp
"""
which I regard as radically different to your approach; please explain 
what you mean by "in agreement with".