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32ceeea42f
add-tests-for-parameter-defaults
check-zh-translation-prompt
fix-broken-links-in-index.md
fix-links
fix-multiple-upload-file-in-swagger
fix-nested-annotated-types-in-field_annotation_is_scalar_sequence
fix-response_model_---parameters-with-Iterable
fix-topic-repos-and-skip-users
master
pin-actions-by-sha
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translate-es-add-missing-383d2b2a
translate-fr-add-missing-1e3f6254
translate-hi-add-missing-51ac334b
translate-ja-add-missing-4420c861
translate-ko-add-missing-2ec5599d
translate-pt-add-missing-f27acfbd
translate-ru-add-missing-d209aaf8
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translate-uk-add-missing-5d45eb9e
translate-zh-add-missing-6eac157d
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v0.1.16
${ noResults }
tiangolo.fastapi/fastapi/dependencies
Varun Chawla
32ceeea42f
Fixes #13399 **Problem:** When using Form-based dependency models, default values were being pre-filled during form parsing, causing `model_fields_set` to include all fields with defaults even when they weren't explicitly provided in the request. This made it impossible to distinguish between explicitly set fields and fields using their default values. JSON body models didn't have this issue. **Root Cause:** In `_get_multidict_value()`, when a form field value was `None` (not provided) and the field wasn't required, the function returned `deepcopy(field.default)`. This pre-filled default was then added to `params_to_process` and passed to Pydantic, which treated it as explicitly set. **Solution:** Changed `_get_multidict_value()` to return `None` instead of the default value when a field is not provided. This allows Pydantic to handle defaults during validation, correctly preserving `model_fields_set` to only include fields that were actually provided in the form data. **Testing:** - Added comprehensive test suite comparing JSON and Form behavior - Verified that Form models now match JSON model behavior for `model_fields_set` - All existing tests continue to pass This makes Form and JSON body parameter handling consistent, allowing developers to use `model_fields_set`, `model_dump(exclude_unset=True)`, and `model_dump(exclude_defaults=True)` correctly with Form-based models. |
5 months ago | |
|---|---|---|
| .. | ||
| __init__.py | ♻️ Refactor, fix and update code | 8 years ago |
| models.py | ♻️ Upgrade internal syntax to Python 3.9+ 🎉 (#14564) | 7 months ago |
| utils.py | Fix Form dependency models losing model_fields_set metadata | 5 months ago |