query = query.filter(Sensors.timestamp >= begin)
if end is not None:
query = query.filter(Sensors.timestamp <= end)
- if mode == 'consolidated' and begin is None and end is None:
+ if mode == 'consolidated' and begin is not None and end is not None:
# copied from munin/master/_bin/munin-cgi-graph.in
# interval in seconds for data points
resolutions = dict(
query = query.filter(OpenWeatherMap.datetime >= begin)
if end is not None:
query = query.filter(OpenWeatherMap.datetime <= end)
- if mode == 'consolidated' and begin is None and end is None:
+ if mode == 'consolidated' and begin is not None and end is not None:
# copied from munin/master/_bin/munin-cgi-graph.in
# interval in seconds for data points
resolutions = dict(
return query.all()
-def convert_to_c3(result):
+def convert_to_c3(result, id, field_x, field_y):
c3result = defaultdict(list)
for row in result:
- c3result[row.sensor_id].append(row.value)
- dt = row.timestamp.strftime('%Y-%m-%d %H:%M:%S')
- c3result[row.sensor_id + '_x'].append(dt)
+ c3result[getattr(row, id)].append(getattr(row, field_y))
+ dt = getattr(row, field_x).strftime('%Y-%m-%d %H:%M:%S')
+ c3result[str(getattr(row, id)) + '_x'].append(dt)
return c3result
result = select_sensordata(sensor_id, sensor_type, begin, end, mode)
if format == 'c3':
- return convert_to_c3(result)
+ return convert_to_c3(result, 'sensor_id', 'timestamp', 'value')
return result
result = select_openweatherdata(cityid, begin, end, mode)
if format == 'c3':
- return convert_to_c3(result)
+ return convert_to_c3(result, 'cityid', 'datetime', 'temp')
return result
-def currentairtemperature(apikey, cityid):
- """Retruns the tuple temperature, datetime (as float, datetime) in case of success, otherwise None, None."""
- try:
- url, weatherdata = openweathermap_json(apikey, cityid)
- return weatherdata['main']['temp'], datetime.datetime.fromtimestamp(weatherdata['dt'])
- except OpenWeatherMapError:
- return None, None
+def currentairtemperature(cityid):
+ result = OpenWeatherMap.query.filter_by(cityid=cityid).order_by(OpenWeatherMap.datetime.desc()).first()
+ return result.temp, result.datetime
def currentwatertemperature(sensorid):
@app.route("/")
def index():
- airvalue, airtime = currentairtemperature(apikey, cityid)
+ airvalue, airtime = currentairtemperature(cityid)
watervalue, watertime = currentwatertemperature(mainsensor)
return render_template(