tidepooler.py 文件源码

def _make_tide_request(city, date):
    station = STATIONS.get(city.lower())
    noaa_api_params = {
        'station': station,
        'product': 'predictions',
        'datum': 'MLLW',
        'units': 'english',
        'time_zone': 'lst_ldt',
        'format': 'json'
    }
    if date == datetime.date.today():
        noaa_api_params['date'] = 'today'
    else:
        noaa_api_params['begin_date'] = date.strftime('%Y%m%d')
        noaa_api_params['range'] = 24
    url = ENDPOINT + "?" + urlencode(noaa_api_params)
    resp_body = urlopen(url).read()
    if len(resp_body) == 0:
        statement_text = render_template('noaa_problem')
    else:
        noaa_response_obj = json.loads(resp_body)
        predictions = noaa_response_obj['predictions']
        tideinfo = _find_tide_info(predictions)
        statement_text = render_template('tide_info', date=date, city=city, tideinfo=tideinfo)
    return statement(statement_text).simple_card("Tide Pooler", statement_text)