"""Sentry Client.

Provides sentry_client attribute for ad hoc capturing of messages and errors.
https://docs.getsentry.com/hosted/clients/python/usage/
"""
import raven

from analytics import config


def get_client():
    """Return initialized Sentry client.

    If config.SENTRY is set, an initialized Sentry client is returned, if
    it is not set, a Client initialized with None is returned but nothing
    will be sent to Sentry.

    Returns:
        raven.Client: Sentry client that to capture messages and error.

    """
    sentry_client = raven.Client(
        config.SENTRY, release=config.CURRENT_COMMIT_HASH)
    return sentry_client


sentry_client = get_client()