def get_environ(environ):
    for key in ('REMOTE_ADDR', 'SERVER_NAME', 'SERVER_PORT'):
        if key in environ:
            yield key, environ[key]


# `get_host` comes from `werkzeug.wsgi`
Convert value to be insertable to ndarray
dataset/ETHPy150Open getsentry/raven-python/raven/utils/wsgi.py/get_environ--crossover with--dataset/ETHPy150Open pydata/pandas/pandas/tseries/index.py/DatetimeIndex._convert_for_op