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Graphene GAE Integration

Project description

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A Google AppEngine integration library for Graphene

Upgrade Notes

If you’re upgrading from an older version (pre 2.0 version) please check out the Graphene Upgrade Guide.

Installation

To install Graphene-GAE on your AppEngine project, go to your project folder and runthis command in your shell:

pip install graphene-gae -t ./libs

This will install the library and its dependencies to the libs folder under your projects root - so the dependencies get uploaded withyour GAE project when you publish your app.

Make sure the libs folder is in your python path by adding the following to your appengine_config.py:

import sys

for path in ['libs']:
    if path not in sys.path:
        sys.path[0:0] = [path]

Examples

Here’s a simple GAE model:

class Article(ndb.Model):
    headline = ndb.StringProperty()
    summary = ndb.TextProperty()
    text = ndb.TextProperty()

    author_key = ndb.KeyProperty(kind='Author')

    created_at = ndb.DateTimeProperty(auto_now_add=True)
    updated_at = ndb.DateTimeProperty(auto_now=True)

To create a GraphQL schema for it you simply have to write the following:

import graphene
from graphene_gae import NdbObjectType

class ArticleType(NdbObjectType):
    class Meta:
        model = Article

class Query(graphene.ObjectType):
    articles = graphene.List(ArticleType)

    @graphene.resolve_only_args
    def resolve_articles(self):
        return Article.query()

schema = graphene.Schema(query=QueryRoot)

Then you can simply query the schema:

To learn more check out the following examples:

Contributing

After cloning this repo, ensure dependencies are installed by running:

make deps
make install

Make sure tests and lint are running:

make test
make lint

History

1.0.7 (TBD)

1.0.6 (2016-12-06)

  • Fixed DeadlineExceededError import swo connections properly handle timeouts

1.0.5 (2016-11-23)

1.0.3 (2016-11-22)

1.0.2 (2016-10-20)

  • Added _handle_graphql_errors hook to GraphQLHandler

1.0.1 (2016-09-28)

  • Added missing support for StructuredProperty

1.0 (2016-09-26)

  • Upgraded to Graphene 1.0

0.1.9 (2016-08-17)

  • Each NdbObject now exposes an ndbId String field that maps to the entity’s key.id()
  • Added ndb boolean argument to NdbKeyStringField so now when looking at KeyProperty we can fetch either global GraphQL id or the NDB internal id.

0.1.8 (2016-08-16)

  • Made connection_from_ndb_query resilient to random ndb timeouts

0.1.7 (2016-06-14)

0.1.6 (2016-06-10)

0.1.5 (2016-06-08)

0.1.4 (2016-06-02)

  • NdbConnectionField added arguments that can be used in quert:
    • keys_only - to execute a keys only query
    • batch_size - to control the NDB query iteration batch size
    • page_size - control the page sizes when paginating connection results
  • Added support for LocalStructuredProperty.
    • Given a property ndb.LocalStructuredType(Something) it will automatically map to a Field(SomethingType) - SomethingType has to be part of the schema.
    • Support for repeated and required propeties.

0.1.3 (2016-05-27)

  • Added graphene_gae.webapp2.GraphQLHandler - a basic HTTP Handler to process GraphQL requests

0.1.1 (2016-05-25)

  • Updated graphene dependency to latest 0.10.1 version.
    • NdbConnection.from_list now gets context as parameter

0.1.0 (2016-05-11)

  • First release on PyPI.

Project details


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