On Apr 28, 7:45 pm, Peter Landry <plan...@provplan.org> wrote:
> +1 to this. I had similar requirements, and initially went down the road of
> pickling a queryset. It became clear quickly that (at least in my case) a
> better solution was to have a function that translates a Form instance into
> a Queryset. Then serialize the form (or form data) and regenerate the
> Queryset that way.
>
> Peter
>
> On 4/28/10 12:28 PM, "Bill Freeman" <ke1g...@gmail.com> wrote:
>
>
>
> > The request may have references to objects that will no longer
> > exist, or may be inappropriate when rerun later.  I can't promise
> > that it won't work, but I believe that pickling the request is at
> > best a fragile solution.
>
> > To save just the required parameters won't take much code,
> > especially if you refactor the code that turns the parameters into
> > a the search operation into a function (or method) that you can
> > use both initially and when you rerun the search.
>
> > Having to do some preparation again probably isn't going to be
> > as big a performance drain as unpickling enough context to
> > make it work without extra code.
>
> > On Wed, Apr 28, 2010 at 11:56 AM, Mark Jones <mark0...@gmail.com> wrote:
> >> I was thinking I could pickle/unpickle the request then run it thru
> >> with an extra flag of (send email) thru the same code that wsgi uses.
> >> If I jsonify the data, how would I get that back into a python object?
>
> >> Is it really as simple as str=json.dumps(request) and request =
> >> json.loads(str)
>
> >> I don't see how json keeps track of the object it is dumping, and not
> >> sure how to construct a request object from the json return value.
>
> >> I can see how easy that part would be in C++, but my python skills are
> >> a good deal weaker....  I guess I'm hunting for "how to do this in
> >> python"
>

Peter

This sounds intriguing: "a function that translates a Form instance
into a Queryset".  Is this a generic solution?  Even if not, would you
mind sharing the code here?

Thanks!
Derek

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