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django-fhir

This software is in the very begining phases now. It is not ready for prime time at all. That said, here is how to install it.

(working on compatibility with MongoDb and a pluggable backend eg. to use back-end HAPI-FHIR Server via API calls)

To install type the following in a shell:

git clone https://github.com/videntity/django-fhir.git
pip install ./django-fhir

Add "fhir" to your INSTALLED_APPS setting like this:

INSTALLED_APPS = (
    ...
    'fhir',
)

Include the direct URLconf in your project urls.py like this:

url(r'^fhir/', include('fhir.urls')),

Create your database tables.

python manage.py syncdb

Support a couple resource types by adding them in the admin or using the following command to activate Practitioner and Organization.

python manage.py loaddata [your download path]/django-fhir/fhir/fixtures/provider-directory-resources.json

Use the APIs. Visit https://127.0.0.1:8000/fhir/hello to verify the installation.

Pluggable backends

Calls to a backend database for Django-fhir have been isolated to modules alongside the fhir module in djang-fhir. We are adopting the convention for naming these pluggable database backends as follows: fhir_io_{backend_name}

The Default setting for django_fhir (in fhir.settings.py) can be overridden by adding

DJANGO_FHIR_CONFIG = { "DF_APPS": {'fhir_io_mongo', } }

to your applications settings.py. The only restriction is that the pluggable module must:

  1. Be added at the top level of your app. i.e. 'fhir_io_postgresql' works but 'apps.fhir_io_postgresql' won't load correctly.
  2. You must replicate the functions included in the reference fhir_io_mongo pluggable module complete with the parameters passed to each function.

This architecture allows new database backends to be integrated into the django-fhir architecture.

BlueButton On FHIR Support:

UPDATE: SupportedResourceType model has been extended to allow FHIR Transaction Types for a given resource to be permitted or denied. ie. Allow Patient resource to be searched but update or Delete can be denied. Each FHIR Transaction mode is a BooleanField in the database. SupportedResourceType.access_denied("field_name") or SupportedResourceType.access_permitted("field_name") will return a True or False value.

example usage: from .utils import check_access_interaction_and_resource_type

interaction_type = 'read'
#Check if this interaction type and resource type combo is allowed.
deny = check_access_interaction_and_resource_type(resource_type, interaction_type)
if deny:
    #If not allowed, return a 4xx error.
    return deny

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A FHIR server as a reusable Django app.

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