def get(self):
result= datastore.last_n(1)[0]
loader = tornado.template.Loader('static')
result = loader.load('index.html').generate(
temperature=result['temperature'],
humidity=result['humidity'],
reportdate=result['date'])
self.write(result)
def update_chart(path):
datapoints = datastore.last_n(30)
if not datapoints:
return
datapoints = datapoints[::-1]
times = [ p['date'] for p in datapoints ]
temperatures = [ p['temperature'] for p in datapoints ]
humidities = [ p['humidity'] for p in datapoints ]
chart = pygal.Line(
fill=True,
style=LightGreenStyle,
legend_at_bottom=True,
spacing=10,
height=400,
range=[0.0, 100.0])
chart.value_formatter = lambda x: "%.0f" % x
chart.x_labels = _create_labels(times)
chart.add('°C', temperatures)
chart.add('%', humidities, secondary=True)
chart.render_to_file(path)
def get(self):
result= datastore.last_n(1)[0]
self.write( {'temperature': result['temperature'], 'humidity': result['humidity'] })
