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Description:

directoryclientcore 7.2.13

directory-client-core

Directory Client Core.
Common code for the Directory API clients.
Requirements
Installation
pip install directory-client-core

Usage
from directory_client_core.base import AbstractAPIClient

class MyAPIClient(AbstractAPIClient):

version = 1 # passed as a header in all requests

def get_something(self):
return self.get(...)

def create_sometime(self):
return self.post(...)

client = MyAPIClient(
base_url='https://example.com/',
api_key='test',
sender_id='test-sender-id',
timeout=2,
)

response = client.get_something()

Caching
The decorator directory_client_core.helpers.fallback can be used to cache the responses from the remote server, allowing the cached content to be later used if the remote server does not return the up to date live content (maybe it times out, maybe the server is down). This decorator also saves etag response headers to later expose them in requests and respect 304 (Not modified) response and serve already cached contents.
# settings.py
DIRECTORY_CLIENT_CORE_CACHE_EXPIRE_SECONDS = 60 * 60 * 24 * 30 # 30 days

# client.py

from django.core.cache import caches

from directory_client_core import helpers
from directory_client_core.base import AbstractAPIClient

class APIClient(AbstractAPIClient):
version = 1

@helpers.fallback(cache=caches['fallback'])
def get(self, *args, **kwargs):
return super().get(*args, **kwargs)

def retrieve(self):
return self.get(url='/some/path/')

The fallback creates log entries when cache events occur. To reduce noise DIRECTORY_CLIENT_CORE_CACHE_LOG_THROTTLING_SECONDS can be set in settings. This will result in a log event being created only once every period of time. By default this means seeing "cache hit for url x" (for a given url) is shown once every 24 hours.
Development
$ git clone https://github.com/uktrade/directory-client-core
$ cd directory-client-core
$ make test_requirements

Publish to PyPI
The package should be published to PyPI on merge to master. If you need to do it locally then get the credentials from rattic and add the environment variables to your host machine:

Setting

DIRECTORY_PYPI_USERNAME

DIRECTORY_PYPI_PASSWORD

Then run the following command:
make publish