def forecast_update(site_key):
site = Site.get_by_key_name(site_key)
if site is None:
return Response(status=404)
forecast_url = "http://www.metoffice.gov.uk/public/data/PWSCache/BestForecast/Forecast/%s?format=application/json" % site_key
result = urlfetch.fetch(forecast_url)
if result.status_code == 200:
forecast = parse_forecast(result.content)
issued_date = parse_date(forecast["@dataDate"])
for date, day in days(forecast):
forecast_day = ForecastDay.get_by_key_name(
make_key_name(site, date))
if forecast_day is None:
forecast_day = ForecastDay(key_name=make_key_name(site, date),
forecast_date=date,
site=site)
forecast_day.site = site
for timestep, data in day_timesteps(day):
w = Forecast()
w.issued = issued_date
for k, v in data.items():
prop_name = snake_case(k)
if hasattr(w, prop_name):
if v == "missing":
v = None
setattr(w, prop_name, v)
forecast_day.forecasts.add(timestep, w)
forecast_day.save()
site.save()
return Response(status=204)
def get_by(cls, site, date, not_found_return_new = False):
r = ForecastDay.get_by_key_name(make_key_name(site,date))
if r is None and not_found_return_new:
r = ForecastDay(key_name=make_key_name(site,date),
site = site,
forecast_date = date)
return r
def forecast_update(site_key):
site = Site.get_by_key_name(site_key)
if site is None:
return Response(status = 404)
forecast_url = "http://www.metoffice.gov.uk/public/data/PWSCache/BestForecast/Forecast/%s?format=application/json" % site_key
result = urlfetch.fetch(forecast_url)
if result.status_code == 200:
forecast = parse_forecast(result.content)
issued_date = parse_date(forecast["@dataDate"])
for date, day in days(forecast):
forecast_day = ForecastDay.get_by_key_name(make_key_name(site,date))
if forecast_day is None:
forecast_day = ForecastDay(key_name=make_key_name(site,date), forecast_date = date, site = site)
forecast_day.site = site
for timestep, data in day_timesteps(day):
w = Forecast()
w.issued = issued_date
for k,v in data.items():
prop_name = snake_case(k)
if hasattr(w, prop_name):
if v == "missing":
v = None
setattr(w, prop_name, v)
forecast_day.forecasts.add(timestep,w)
forecast_day.save()
site.save()
return Response(status = 204)
def get_db_observation(date):
key_name = make_key_name(site, date.date())
if key_name in obs:
return obs[key_name]
o = ObservationDay.get_by_key_name(key_name)
if o is None:
o = ObservationDay(key_name=key_name)
o.site = site
o.observation_date = date.date()
o.observations = Observations()
obs[key_name] = o
return o
def get_db_observation(date):
key_name = make_key_name(site, date.date())
if key_name in obs:
return obs[key_name]
o = ObservationDay.get_by_key_name(key_name)
if o is None:
o = ObservationDay(key_name=key_name)
o.site = site
o.observation_date = date.date()
o.observations = Observations()
obs[key_name] = o
return o
def site_observations(site_id):
site = Site.get_by_key_name(site_id)
if site is None:
return Response(status = 404)
if request.args.has_key('day'):
p = request.args.get('day')
day = parse_yyyy_mm_dd_date(p)
else:
return Response("day query parameter is required",status = 400)
observation_day = ObservationDay.get_by_key_name(make_key_name(site,day))
if observation_day is None:
return Response(status = 404)
return json_response(observation_day)
def get_by(cls, site, date, not_found_return_new = False):
r = ObservationDay.get_by_key_name(make_key_name(site,date))
if r is None and not_found_return_new:
r = ObservationDay(key_name=make_key_name(site,date), site = site, observation_date = date)
return r
