def envlookup()

in src/chug/common/urls.py [0:0]

• 7 lines of code
• 3 McCabe index (conditional complexity)

def envlookup(m):
    """Look up match in the environment with prefix WDS_.

    Args:
        m: a match object

    Returns:
        str: the value of the environment variable WDS_<m.group(1)>
    """
    key = m.group(1)
    for prefix in ('WDS_', 'CHUG_'):
        key = prefix + key
        if key in os.environ:
            return os.environ[key]
    assert key in os.environ, f"missing WDS/CHUG environment variable for {key}"