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Reusable code for consumers of ZGW APIs

Project description

1   Welcome to ZGW Consumers’ documentation!

Version:0.15.2
Source:https://github.com/maykinmedia/zgw-consumers
Keywords:OpenAPI, Zaakgericht Werken, Common Ground, NLX
PythonVersion:3.6, 3.7, 3.8

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Manage your external API’s to consume.

2   Features

  • Store services with their configuration in the database
  • Integrate with OpenAPI 3.0 specifications
  • NLX support
  • Declare data/domain objects as modern Python dataclasses

3   Installation

3.1   Requirements

  • Python 3.6 or newer
  • setuptools 30.3.0 or newer
  • Django 2.2 or newer

3.2   Install

  1. Install from PyPI
pip install zgw-consumers
  1. Add zgw_consumers to the INSTALLED_APPS setting.
  2. Optionally override ZGW_CONSUMERS_CLIENT_CLASS to a custom client class.
  3. Optionally specify ZGW_CONSUMERS_OAS_CACHE to point to a separate django cache. Defaults to django.core.cache.DEFAULT_CACHE_ALIAS, which is default in practice. For performance reasons we highly recommend to use a real cache backend like Redis or Memcache.

4   Usage

In the Django admin, you can create Service instances to define your external APIs.

Client

To get a client for a given resource, you can use:

from zgw_consumers.models import Service

client = Service.get_client(some_url)

Or, to just retrieve the auth header(s):

from zgw_consumers.models import Service

auth = Service.get_auth_header(some_url)

Data model

Use zgw_consumers.api_models.base.factory to turn raw JSON responses into instances of domain models:

from zgw_consumers.api_models.base import factory
from zgw_consumers.api_models.zaken import Zaak

results = client.list("zaak")["results"]

return factory(Zaak, results)

It works for both collections and scalar values, and takes care of the camel-case to snake case conversion.

You can also define your own data models, take a look at the zgw_consumers.api_models package for inspiration.

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