Beispiel #1
0
def get_all_data(location, use_cache=True):
    if isinstance(location, basestring):
        location = _location.woeid(location)
    try:
        if not use_cache:
            raise KeyError
        expire, data = __all_data_cache[location]
        if expire+__CACHE_EXPIRE < time.time():
            raise KeyError
        return data
    except KeyError:
        pass
    raw = raw_yahoo_weather(location)
    current = raw['condition']
    forecasts = []
    for forecast in raw['forecasts']:
        high, low = int(forecast['high']), int(forecast['low'])
        data = ForecastData(parse_date(forecast['date']), high, low,
                            forecast['text'], xrange(low, high+1))
        forecasts.append(data)
    visib = raw['atmosphere']['visibility']
    humid = raw['atmosphere']['humidity']
    press = raw['atmosphere']['pressure']
    data = WeatherData(city=raw['location']['city'], region=raw['location']['region'],
                       country=raw['location']['country'],
                       humidity=float(humid)/100 if humid else None,
                       pressure=float(press)/10 if press else None,
                       visibility=float(visib)/100 if visib else None,
                       current=CurrentCondition(datetime.datetime.now(), int(current['temp']), current['text']),
                       forecasts=forecasts, windchill=raw['wind']['chill'],
                       winddirection=AngleData(deg=raw['wind']['direction']),
                       windspeed=float(raw['wind']['speed']))
    if use_cache:
        __all_data_cache[location] = (time.time(), data)
    return data
Beispiel #2
0
def _test_module():
    global __CACHE_EXPIRE
    from pprint import pprint
    from location import woeid
    print '== Testing Raw Weather =='
    print 'Retrieving raw weather data for Toronto, Canada'
    pprint(raw_yahoo_weather(woeid('Toronto, Canada')))
    print
    print 'Retrieving raw weather data for Brasov, Romania'
    pprint(raw_yahoo_weather(woeid('Brasov, Romania')))
    print
    print '== Testing Processed Weather =='
    city = 'Toronto, Canada'
    __CACHE_EXPIRE = 5
    print 'For:', 'Toronto, Canada'
    print '====== No Cache ======'
    pprint(get_all_data(city))
    print '====== With Cache ======'
    pprint(get_all_data(city))
    print '====== Expired Cache ======'
    time.sleep(6)
    pprint(get_all_data(city))
    print '====== Disabled Cache ======'
    pprint(get_all_data(city, False))