def observe(self, *, processes=1, period=1):
log.info("Computing observations for campaign")
self.observations = [
Observation(self.dataset, observer, self.population, self.config)
for observer in self.observers
]
for observation in self.observations:
observation.observe(processes=processes, period=period)
def monitor_observations(self):
last_run = None
while True:
# If there is no previous run, just run through anyway
curtime = datetime.datetime.now()
if last_run is not None:
if (curtime - last_run).total_seconds() < 60:
continue
last_run = curtime
# Prepare observation data for the previous minute
minute_obs = (curtime - datetime.timedelta(minutes=1)).replace(second=0)
minute_store = minute_obs + datetime.timedelta(minutes=1)
wind_df = self.get_wind_df(minute=minute_obs)
wind_direction = self.average_wind_direction(wind_df=wind_df)
wind_speed = self.average_wind_speed(wind_df=wind_df)
wind_gust = self.max_wind_gust(wind_df=wind_df)
rain = self.current_rain(minute=minute_obs)
obs = Observation(dt=minute_store,
wind_direction=wind_direction,
wind_speed=wind_speed,
wind_gust=wind_gust,
rain=rain)
try:
session = db.get_session()
session.add(obs)
session.commit()
except Exception as e:
print("Unable to add observation due to exception %s" % e)
