marshmallow-code/marshmallow-oneofschema

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marshmallow library extension that allows schema (de)multiplexing

Stars: 142
Forks: 44
Open beginner issues: 0
Indexed issues: 20
Avg merge: 7h 7m
Merged PRs (30d): 3

Dominant language: Python
License: MIT
Last GitHub push: Sep 8, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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20 open issues indexed

Dependency Dashboard Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

marshmallow-code/marshmallow-oneofschema#227 · Opened Apr 13, 2026
Child schema's unknown setting in Meta class is ignored Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

marshmallow-code/marshmallow-oneofschema#216 · Opened Jul 29, 2025
It's hard to use a parent schema's data to control a Nested OneOfSchema Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

marshmallow-code/marshmallow-oneofschema#214 · 5 comments · Opened May 12, 2025
Inconsistency of return type of OneOfSchema.load Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

marshmallow-code/marshmallow-oneofschema#189 · Opened Mar 28, 2024
Possible redundant assertion in test_validate Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

marshmallow-code/marshmallow-oneofschema#188 · Opened Mar 28, 2024
Required Field `type` Issue Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

marshmallow-code/marshmallow-oneofschema#172 · 2 comments · Opened Jan 10, 2023
Generated OpenAPI Spec Documentation? Open

question

Difficulty 3/5 1-2 days Newbie friendliness 35/100

marshmallow-code/marshmallow-oneofschema#154 · 1 comment · Opened Jan 17, 2022
Unable to serialize type field in downstream schemas Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

marshmallow-code/marshmallow-oneofschema#152 · Opened Dec 16, 2021
Feature request: "Unsupported value" error message - show supported values Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

marshmallow-code/marshmallow-oneofschema#135 · Opened Mar 8, 2021
Switch main branch name to `dev` to be consistent with other marshmallow-code projects Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

marshmallow-code/marshmallow-oneofschema#129 · 1 reaction · Opened Nov 9, 2020
Expect type_field_remove to remove the additional type-field in dump-Output Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

marshmallow-code/marshmallow-oneofschema#126 · Opened Oct 22, 2020
None type object in OneOfSchema Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

marshmallow-code/marshmallow-oneofschema#112 · Opened Apr 12, 2020
Support for marshmallow_dataclass? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

marshmallow-code/marshmallow-oneofschema#100 · 5 reactions · Opened Dec 10, 2019
Children schema doesn't get parent init values Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

marshmallow-code/marshmallow-oneofschema#86 · 1 comment · Opened Jun 10, 2019
Overriding `handle_error` does't work. Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

marshmallow-code/marshmallow-oneofschema#74 · 1 comment · 1 reaction · Opened Apr 26, 2019
0 does not work as schema key Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

marshmallow-code/marshmallow-oneofschema#62 · 3 comments · Opened Feb 28, 2019
_dump should raise errors instead of returning them Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

marshmallow-code/marshmallow-oneofschema#48 · 3 comments · 1 reaction · Opened Jan 8, 2019
Help to deserialize complex JSON Open

Difficulty 2/5 1-3 hours Newbie friendliness 15/100

marshmallow-code/marshmallow-oneofschema#14 · 1 comment · Opened Jul 5, 2018
Ability to set type_field errors dynamically Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

marshmallow-code/marshmallow-oneofschema#11 · Opened Apr 11, 2018
OneOfSchema can't use pre/post_dump/load decorators Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

marshmallow-code/marshmallow-oneofschema#4 · 5 comments · 2 reactions · Opened Oct 19, 2016

marshmallow-code/marshmallow-oneofschema

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