marshmallow-code / marshmallow-code/marshmallow
pre_validate decorator
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- Dominant language
- Python
- Stars
- 7.2k
- Forks
- 738
- Avg merge
- 1d 23h
- Merged PRs (30d)
- 7
Description
It would be nice to have a pre_validate decorator which could help initialize/process deserialized data on the schema context before the field validators are invoked. And maybe even a post_validate decorator too.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by tracing how deserialized data reaches the schema context and when field validators are invoked. Define the expected behavior and ordering for a pre_validate decorator, and decide whether post_validate is in scope before identifying the relevant schema validation entry points and 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