Automatically populating class with request parameters

[Marcel Overdijk]

Is there an easy way with webapp2 to convert multiple request
parameters to a class instance?
E.g. I have a Person class containing firstname, lastname, dob, etc.
In a handler I receive similar fields which I would like to create a
Person instance from.
Is it possible to do this without retrieving all request parameters
manually?

[alex]

If your Person is an NDB model, e.g.

class Person(ndb.Model):
firstname = ndb.StringProperty()
lastname = ndb.StringProperty()
...

Then you could do this in your request handler:

def post(self):
person = Person(**self.request.params)
person.put()

But, I would advise againts this, or do at least some pre-filtering
sanitizing request.params before instantiating Person.

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[John Goodyear]

Consider something like WTForms: http://wtforms.simplecodes.com/docs/1.0.3/

[Marcel Overdijk]

Thanks you I will look into both.