pallets-eco / pallets-eco/wtforms

Handling JSON and nested form data

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enhancement
Dominant language
Python
Stars
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Forks
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PR merge metrics
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Description

I've attempted to use wtforms with JSON and nested FormField data, but it appears to be mostly unsupported. There are third party libraries such as wtforms-json which add support, but the code is quite dirty and of limited support.

This is a use case which I'd imagine is quite popular, as wtforms is arguably the best form validation library out there for Python.

Are there any plans to add support into the core for JSON? Could a core maintainer indicate whether such a feature request would be accepted? I'm happy to contribute time into a PR to make this happen.

EDIT: It seems that in 2.0 there has already been some preparations towards this, such as the addition of data into Form constructor.

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Research direction

Review the Form constructor's existing data support and the nested FormField behavior described in the issue, then compare the limitations of the linked wtforms-json library. Before implementation, clarify the core API and supported JSON and nested-data cases; done should mean agreed coverage is supported by the WTForms core with corresponding tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
backend
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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