Colander is not suitable for serializing to json - its cstruct format is
always strings. In my experience the only use of colander's serialization
is for use with deform - however it's great for deserializing json to an
appstruct. It's been a common complaint over the years but nothing much has
been done to sort it out due to bw-compatibility issues.
If I were looking to serialize data to json and validate it, I'd recommend
instead converting it to a json-compatible cstruct first, and then
validating it (via deserialize) and skip serialize altogether.
Alternatively you might look at the marshmallow library instead of colander
which probably does a better job of coercing types while serializing.
appstruct = person.to_dict()
if validate(appstruct, PersonSchema()):
return json.dumps(appstruct)
- Michael
On Mon, Nov 28, 2016 at 3:00 PM, Alex Kessinger <voidfi...@gmail.com> wrote:
> Hi, I have a question about the appropriate use of Colander to go from a
> python object to JSON
>
> Let's say I have a django model called Person, and a schema called
> PersonSchema.
>
> Would this be an appropriate way to take a person model to json?
>
> person = Person.objects.get(pk=1)
> appstruct = person.to_dict()
> cstruct = PersonSchema().serialize(appstruct)
> response_body = json.dumps(cstruct)
>
> Is this about right? Should I instead just be going from dict to json?
>
>
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