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Metadata-Version: 2.4
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Name: marshmallow
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Version: 4.1.0
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Summary: A lightweight library for converting complex datatypes to and from native Python datatypes.
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Author-email: Steven Loria <oss@stevenloria.com>
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Maintainer-email: Steven Loria <oss@stevenloria.com>, Jérôme Lafréchoux <jerome@jolimont.fr>, Jared Deckard <jared@shademaps.com>
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Requires-Python: >=3.10
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Description-Content-Type: text/x-rst
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Classifier: Development Status :: 5 - Production/Stable
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Classifier: Intended Audience :: Developers
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Classifier: License :: OSI Approved :: MIT License
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Classifier: Programming Language :: Python :: 3
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Classifier: Programming Language :: Python :: 3.10
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Classifier: Programming Language :: Python :: 3.11
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Classifier: Programming Language :: Python :: 3.12
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Classifier: Programming Language :: Python :: 3.13
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Classifier: Programming Language :: Python :: 3.14
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License-File: LICENSE
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Requires-Dist: backports-datetime-fromisoformat; python_version < '3.11'
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Requires-Dist: typing-extensions; python_version < '3.11'
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Requires-Dist: marshmallow[tests] ; extra == "dev"
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Requires-Dist: tox ; extra == "dev"
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Requires-Dist: pre-commit>=3.5,<5.0 ; extra == "dev"
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Requires-Dist: autodocsumm==0.2.14 ; extra == "docs"
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Requires-Dist: furo==2025.9.25 ; extra == "docs"
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Requires-Dist: sphinx-copybutton==0.5.2 ; extra == "docs"
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Requires-Dist: sphinx-issues==5.0.1 ; extra == "docs"
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Requires-Dist: sphinx==8.2.3 ; extra == "docs"
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Requires-Dist: sphinxext-opengraph==0.13.0 ; extra == "docs"
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Requires-Dist: pytest ; extra == "tests"
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Requires-Dist: simplejson ; extra == "tests"
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Project-URL: Changelog, https://marshmallow.readthedocs.io/en/latest/changelog.html
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Project-URL: Funding, https://opencollective.com/marshmallow
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Project-URL: Issues, https://github.com/marshmallow-code/marshmallow/issues
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Project-URL: Source, https://github.com/marshmallow-code/marshmallow
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Project-URL: Tidelift, https://tidelift.com/subscription/pkg/pypi-marshmallow?utm_source=pypi-marshmallow&utm_medium=pypi
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Provides-Extra: dev
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Provides-Extra: docs
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Provides-Extra: tests
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********************************************
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marshmallow: simplified object serialization
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********************************************
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|pypi| |build-status| |pre-commit| |docs|
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.. |pypi| image:: https://badgen.net/pypi/v/marshmallow
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:target: https://pypi.org/project/marshmallow/
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:alt: Latest version
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.. |build-status| image:: https://github.com/marshmallow-code/marshmallow/actions/workflows/build-release.yml/badge.svg
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:target: https://github.com/marshmallow-code/marshmallow/actions/workflows/build-release.yml
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:alt: Build status
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.. |pre-commit| image:: https://results.pre-commit.ci/badge/github/marshmallow-code/marshmallow/dev.svg
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:target: https://results.pre-commit.ci/latest/github/marshmallow-code/marshmallow/dev
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:alt: pre-commit.ci status
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.. |docs| image:: https://readthedocs.org/projects/marshmallow/badge/
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:target: https://marshmallow.readthedocs.io/
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:alt: Documentation
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.. start elevator-pitch
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**marshmallow** is an ORM/ODM/framework-agnostic library for converting complex datatypes, such as objects, to and from native Python datatypes.
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.. code-block:: python
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from datetime import date
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from pprint import pprint
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from marshmallow import Schema, fields
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class ArtistSchema(Schema):
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name = fields.Str()
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class AlbumSchema(Schema):
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title = fields.Str()
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release_date = fields.Date()
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artist = fields.Nested(ArtistSchema())
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bowie = dict(name="David Bowie")
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album = dict(artist=bowie, title="Hunky Dory", release_date=date(1971, 12, 17))
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schema = AlbumSchema()
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result = schema.dump(album)
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pprint(result, indent=2)
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# { 'artist': {'name': 'David Bowie'},
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# 'release_date': '1971-12-17',
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# 'title': 'Hunky Dory'}
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In short, marshmallow schemas can be used to:
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- **Validate** input data.
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- **Deserialize** input data to app-level objects.
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- **Serialize** app-level objects to primitive Python types. The serialized objects can then be rendered to standard formats such as JSON for use in an HTTP API.
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Get it now
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==========
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.. code-block:: shell-session
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$ pip install -U marshmallow
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.. end elevator-pitch
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Documentation
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=============
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Full documentation is available at https://marshmallow.readthedocs.io/ .
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Ecosystem
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=========
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A list of marshmallow-related libraries can be found at the GitHub wiki here:
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https://github.com/marshmallow-code/marshmallow/wiki/Ecosystem
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Credits
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=======
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Contributors
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------------
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This project exists thanks to all the people who contribute.
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**You're highly encouraged to participate in marshmallow's development.**
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Check out the `Contributing Guidelines <https://marshmallow.readthedocs.io/en/latest/contributing.html>`_ to see how you can help.
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Thank you to all who have already contributed to marshmallow!
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.. image:: https://opencollective.com/marshmallow/contributors.svg?width=890&button=false
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:target: https://marshmallow.readthedocs.io/en/latest/authors.html
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:alt: Contributors
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Backers
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-------
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If you find marshmallow useful, please consider supporting the team with
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a donation. Your donation helps move marshmallow forward.
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Thank you to all our backers! [`Become a backer`_]
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.. _`Become a backer`: https://opencollective.com/marshmallow#backer
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.. image:: https://opencollective.com/marshmallow/backers.svg?width=890
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:target: https://opencollective.com/marshmallow#backers
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:alt: Backers
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Sponsors
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--------
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.. start sponsors
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marshmallow is sponsored by `Route4Me <https://route4me.com>`_.
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.. image:: https://github.com/user-attachments/assets/018c2e23-032e-4a11-98da-8b6dc25b9054
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:target: https://route4me.com
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:alt: Routing Planner
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Support this project by becoming a sponsor (or ask your company to support this project by becoming a sponsor).
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Your logo will be displayed here with a link to your website. [`Become a sponsor`_]
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.. _`Become a sponsor`: https://opencollective.com/marshmallow#sponsor
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.. end sponsors
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Professional Support
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====================
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Professionally-supported marshmallow is now available through the
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`Tidelift Subscription <https://tidelift.com/subscription/pkg/pypi-marshmallow?utm_source=pypi-marshmallow&utm_medium=readme>`_.
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Tidelift gives software development teams a single source for purchasing and maintaining their software,
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with professional-grade assurances from the experts who know it best,
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while seamlessly integrating with existing tools. [`Get professional support`_]
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.. _`Get professional support`: https://tidelift.com/subscription/pkg/pypi-marshmallow?utm_source=marshmallow&utm_medium=referral&utm_campaign=github
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.. image:: https://user-images.githubusercontent.com/2379650/45126032-50b69880-b13f-11e8-9c2c-abd16c433495.png
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:target: https://tidelift.com/subscription/pkg/pypi-marshmallow?utm_source=pypi-marshmallow&utm_medium=readme
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:alt: Get supported marshmallow with Tidelift
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Project Links
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=============
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- Docs: https://marshmallow.readthedocs.io/
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- Changelog: https://marshmallow.readthedocs.io/en/latest/changelog.html
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- Contributing Guidelines: https://marshmallow.readthedocs.io/en/latest/contributing.html
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- PyPI: https://pypi.org/project/marshmallow/
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- Issues: https://github.com/marshmallow-code/marshmallow/issues
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- Donate: https://opencollective.com/marshmallow
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License
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=======
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MIT licensed. See the bundled `LICENSE <https://github.com/marshmallow-code/marshmallow/blob/dev/LICENSE>`_ file for more details.
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Iliyan Angelov