Using username or token authentication in Splunk from Python

usage.py

from utils import connect

service = connect(
    app=os.getenv('SPLUNK_APP'),
    host=os.getenv('SPLUNK_HOST'),
    port=os.getenv('SPLUNK_PORT', 8089),
    token=os.getenv('SPLUNK_TOKEN'),
    username=os.getenv('SPLUNK_USERNAME'),
    password=os.getenv('SPLUNK_PASSWORD')
)

utils.py

import splunklib.client

def connect(**kwargs):
    # remove `None` parameters (otherwise splunklib.client.connect will fail)
    for key in ['username', 'password', 'token', 'host', 'port']:
        if key in kwargs and kwargs[key] is None:
            del kwargs[key]
    # ensure parameters
    for key in ['host', 'port']:
        if key not in kwargs:
            raise ValueError(
                f"Can't connect to Splunk. Missing {key} parameter")
    if 'username' in kwargs and 'password' not in kwargs:
        raise ValueError(
            f"Can't connect to Splunk {kwargs['host']}. Missing password for username authentication")
    if 'username' not in kwargs and 'token' not in kwargs:
        raise ValueError(
            f"Can't connect to Splunk {kwargs['host']}. Either token or username must be set for authentication")

    return splunklib.client.connect(**kwargs)