Chaining Azure Functions with Durable Functions in Python

durable-functions-chain.py

def orchestrator_function(context: df.DurableOrchestrationContext):
    output = []

    request_body = context.get_input()
    data = yield context.call_activity('get-funds-transfer-data', request_body)
    output.append('Get funds transfer data: DONE')

    yield context.call_activity('validate-input', data)
    output.append('Validate input: DONE')

    if data['sourceAccount']['bankId'] == data['targetAccount']['bankId']:
        yield context.call_activity('validate-internal-account', data)
        output.append('Validate internal account: DONE')

    yield context.call_activity('handle-funds-transfer', data)
    output.append('Handle funds transfer: DONE')

    return output