"""Date Utility."""
from datetime import datetime


def get_timestamp_utc_iso8601():
    """Get a UTC ISO8601 timestamp with microsecond precision.

    Not adding a timezone indicator of Z at the end, because
    mysql will truncate it and issue truncation warnings
    Example output: 2016-02-29T22:29:03.165772

    Returns:
        timestamp (str): current timestamp
    """
    return datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%S.%f')