requests_forecast.py

import datetime
import pytz
import requests
import time as time_mod


FORECAST_TEMPLATE = 'https://api.forecast.io/forecast/{apikey}/{latitude},{longitude}{time}{si}'


class Forecast(object):
    data = None
    timezone = None

    def __init__(self, apikey):
        self.apikey = apikey

    def get(self, latitude, longitude, time=None, si=False):
        if time:
            time = int(time_mod.mktime(time.timetuple()))

        url = FORECAST_TEMPLATE.format(
            apikey=self.apikey,
            latitude=latitude,
            longitude=longitude,
            time=',{}'.format(time) if time else '',
            si='?{}'.format(si) if si else ''
        )
        request = requests.get(url)
        self.data = request.json()
        if 'timezone' in self.data:
            self.timezone = pytz.timezone(self.data['timezone'])
        self.data = self.fix_timestamps(self.data)
        return self.data

    def timestamp_to_datetime(self, timestamp):
        return datetime.datetime.fromtimestamp(int(timestamp)).replace(tzinfo=self.timezone)

    def fix_timestamps(self, data):
        if isinstance(data, list):
            values = []
            for item in data:
                value = self.fix_timestamps(item)
                values.append(value)
            return values
        elif isinstance(data, dict):
            values = {}
            for key, value in data.items():
                if type(value) in [dict, list]:
                    value = self.fix_timestamps(value)
                elif key == 'time' or key.endswith('Time'):
                    value = self.timestamp_to_datetime(value)
                values[key] = value
            return values
        else:
            values = data
            return values

    @property
    def current(self):
        if 'currently' in self.data:
            return self.data['currently']
        else:
            return None

    @property
    def daily(self):
        if 'daily' in self.data:
            return self.data['daily']
        else:
            return None

    @property
    def hourly(self):
        if 'hourly' in self.data:
            return self.data['hourly']
        else:
            return None

    @property
    def minutely(self):
        if 'minutely' in self.data:
            return self.data['minutely']
        else:
            return None

run.py

from datetime import datetime
from requests_forecast import Forecast


def main():
    forecast = Forecast('YOUR-API-KEY')
    data = forecast.get(
        latitude=38.9717,
        longitude=-95.235,
        #time=datetime(year=2013, month=9, day=18)
    )

    print 'current.temperature: {}'.format(forecast.current['temperature'])
    print 'current.cloudCover: {}'.format(forecast.current['cloudCover'])
    print 'current.humidity: {}'.format(forecast.current['humidity'])
    print 'current.icon: {}'.format(forecast.current['icon'])
    print 'current.precipIntensity: {}'.format(forecast.current.get('precipIntensity'))
    print 'current.pressure: {}'.format(forecast.current['pressure'])

    #print 'current.latitude: {}'.format(forecast.current['latitude'])
    #print 'current.longitude: {}'.format(forecast.current['longitude'])

    print 'current.summary: {}'.format(forecast.current['summary'])
    print 'current.time: {}'.format(forecast.current['time'])
    print 'current.visibility: {}'.format(forecast.current['visibility'])
    print 'current.windBearing: {}'.format(forecast.current['windBearing'])
    print 'current.windSpeed: {}'.format(forecast.current['windSpeed'])
    print 'current: {}'.format(forecast.current)
    print '-' * 20

    #{u'temperature': 47.68, u'humidity': 0.58, u'cloudCover': 0.63, u'summary': u'Mostly Cloudy',
    #u'pressure': 986.74, u'windSpeed': 11.12, u'visibility': 9.3, u'time': 1364422970, u'windBearing': 102, u'precipIntensity': 0, u'icon': u'partly-cloudy-day'}

    print 'daily: {}'.format(len(forecast.daily['data']))
    print 'hourly: {}'.format(len(forecast.hourly['data']))
    #print 'minutely: {}'.format(len(forecast.minutely['data']))

    #pprint(data)


if __name__ == '__main__':
    main()