This library for the Dark Sky API provides access to detailed weather information from around the globe.
Before you start using this library, you need to get your API key here.
Function forecast handles all request parameters and returns a
Forecast object.
>>> from darksky import forecast
>>> boston = forecast(key, 42.3601, -71.0589)
>>>The first 3 positional arguments are identical to the 3 required parameters for API call. The optional query parameters need to be provided as keyword arguments.
Using time argument will get you a time machine call.
Using timeout argument will set default request timeout .
>>> BOSTON = key, 42.3601, -71.0589
>>> from datetime import datetime as dt
>>> t = dt(2013, 5, 6, 12).isoformat()
>>> boston = forecast(*BOSTON, time=t)
>>> boston.time
1367866800The values as well as DataPoint and DataBlock objects are
accessed using instance attributes or dictionary keys. You can access
current values directly, without going through currently data point.
>>> boston['currently']['temperature']
60.72
>>> boston.temperature
60.72Data blocks are indexable and iterable by their data values.
>>> len(boston.hourly)
24
>>>
>>> boston.hourly[1].temperature
59.49
>>>
>>> # list temperatures for next 10 hours
... [hour.temperature for hour in boston.hourly[:10]]
[60.83, 59.49, 58.93, 57.95, 56.01, 53.95, 51.21, 49.21, 47.95, 46.31]Nonexistent attributes will raise AttributeError and dictionary keys
KeyError the way you'd expect.
To get the raw data dictionary, you can either access it through instance attributes or navigate to it through dictionary keys, the same way you would navigate the actual dictionary.
>>> boston.hourly[2]
{'ozone': 290.06, 'temperature': 58.93, 'pressure': 1017.8, 'windBearing': 274, 'dewPoint': 52.58, 'cloudCover': 0.29, 'apparentTemperature': 58.93, 'windSpeed': 7.96, 'summary': 'Partly Cloudy', 'icon': 'partly-cloudy-night', 'humidity': 0.79, 'precipProbability': 0, 'precipIntensity': 0, 'visibility': 8.67, 'time': 1476410400}
>>>
>>> boston['hourly']['data'][2]
{'ozone': 290.06, 'temperature': 58.93, 'pressure': 1017.8, 'windBearing': 274, 'dewPoint': 52.58, 'cloudCover': 0.29, 'apparentTemperature': 58.93, 'windSpeed': 7.96, 'summary': 'Partly Cloudy', 'icon': 'partly-cloudy-night', 'humidity': 0.79, 'precipProbability': 0, 'precipIntensity': 0, 'visibility': 8.67, 'time': 1476410400}All dashes - in attribute names of Flags objects are replaced by
underscores _. This doesn't affect the dictionary keys.
>>> # instead of 'boston.flags.isd-stations'
... boston.flags.isd_stations
['383340-99999', '383390-99999', '383410-99999', '384620-99999', '384710-99999']
>>>
>>> boston.flags['isd-stations']
['383340-99999', '383390-99999', '383410-99999', '384620-99999', '384710-99999']Even though Alerts are represented by a list, the data accessibility through instance attributes is preserved for alerts in the list.
>>> boston.alerts[0].title
'Freeze Watch for Norfolk, MA'Use refresh() method to update data of a Forecast object. The
refresh() method takes optional queries (including time, making
it a Time machine object) as keyword arguments. Calling
refresh() without any arguments will set all queries to default
values. Use timeout argument to set the request timeout.
>>> boston.refresh()
>>> (boston.time, boston.temperature, len(boston.hourly))
(1476403500, 60.72, 49)
>>>
>>> boston.refresh(units='si', extend='hourly')
>>> (boston.time, boston.temperature, len(boston.hourly))
(1476404205, 15.81, 169)
>>>
>>> boston.refresh(units='us')
>>> (boston.time, boston.temperature, len(boston.hourly))
(1476404489, 60.57, 49)Response headers are stored in a dictionary under response_headers
attribute.
>>> boston.response_headers['X-response-Time']
'146.035ms'from darksky import forecast
from datetime import date, timedelta
BOSTON = 42.3601, 71.0589
weekday = date.today()
with forecast('API_KEY', *BOSTON) as boston:
print(boston.daily.summary, end='\n---\n')
for day in boston.daily:
day = dict(day = date.strftime(weekday, '%a'),
sum = day.summary,
tempMin = day.temperatureMin,
tempMax = day.temperatureMax
)
print('{day}: {sum} Temp range: {tempMin} - {tempMax}'.format(**day))
weekday += timedelta(days=1)Output:
Light rain on Friday and Saturday, with temperatures bottoming out at 48°F on Tuesday. --- Sun: Partly cloudy in the morning. Temp range: 44.86 - 57.26°F Mon: Mostly cloudy in the morning. Temp range: 44.26 - 55.28°F Tue: Clear throughout the day. Temp range: 36.85 - 47.9°F Wed: Partly cloudy starting in the afternoon, continuing until evening. Temp range: 33.23 - 47.93°F Thu: Light rain overnight. Temp range: 35.75 - 49.71°F Fri: Light rain in the morning and afternoon. Temp range: 45.47 - 57.11°F Sat: Drizzle in the morning. Temp range: 43.3 - 62.08°F Sun: Clear throughout the day. Temp range: 39.81 - 60.84°F
The code is available under terms of MIT License
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