JSON API 1.0 (https://jsonapi.org) formatting with marshmallow
Project description
Homepage: http://marshmallow-jsonapi.rtfd.org/
JSON API 1.0 (https://jsonapi.org) formatting with marshmallow.
from marshmallow_jsonapi import Schema, fields
from marshmallow_jsonapi.flask import HyperlinkRelated
class PostSchema(Schema):
id = fields.Str(dump_only=True)
title = fields.Str()
author = HyperlinkRelated(
# Flask endpoint name, passed to url_for
endpoint='author_detail',
url_kwargs={'author_id': '<author.id>'},
)
comments = HyperlinkRelated(
endpoint='posts_comments',
url_kwargs={'post_id': '<id>'},
# Include resource linkage
many=True, include_data=True,
type_='comments'
)
class Meta:
type_ = 'posts'
post_schema = PostSchema()
post_schema.dump(post).data
# {
# "data": {
# "id": "1",
# "type": "posts"
# "attributes": {
# "title": "JSON API paints my bikeshed!"
# },
# "relationships": {
# "author": {
# "links": {
# "related": "/authors/9"
# }
# },
# "comments": {
# "links": {
# "related": "/posts/1/comments/"
# }
# "data": [
# {"id": 5, "type": "comments"},
# {"id": 12, "type": "comments"}
# ],
# }
# },
# }
# }Error formatting
Schema.load and Schema.validate will return JSON API-formatted Error objects.
from marshmallow import validate
from marshmallow_jsonapi import Schema, fields
class AuthorSchema(Schema):
id = fields.Str(dump_only=True)
first_name = fields.Str(required=True)
last_name = fields.Str(required=True)
password = fields.Str(load_only=True, validate=validate.Length(6))
twitter = fields.Str()
class Meta:
type_ = 'people'
schema = AuthorSchema()
schema.validate({'first_name': 'Dan', 'password': 'short'})
# {
# "errors": [
# {
# "detail": "Shorter than minimum length 6.",
# "source": {"pointer": "/data/attributes/password"}
# },
# {
# "detail": "Missing data for required field.",
# "source": {"pointer": "/data/attributes/last_name"}
# }
# ]
# }Flask integration
Marshmallow-jsonapi has built-in support Flask. See here for example usage.
Documentation
Full documentation is available at https://marshmallow-jsonapi.readthedocs.org/.
Requirements
Python >= 2.7 or >= 3.3
Project Links
License
MIT licensed. See the bundled LICENSE file for more details.
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