def forecast(midnight):
def forehour(h, midnight):
global c_start
global c_stop
p = " (\d\d):"
t_start = re.findall(p, c_start)
t_stop = re.findall(p, c_stop)
try:
t_start = int(t_start[0])
except:
t_start = 8
try:
t_stop = int(t_stop[0])
except:
t_stop = 20
if config.debug:
print(time.ctime(h))
forecast_time = int((float(time.strftime("%H", time.localtime(h))) -
float(time.strftime("%H"))) / 2) * 2
forecast_time = max(forecast_time, 1) * 3600
forecast_time = forecast_time + (
60 - float(time.strftime("%M", time.localtime()))) * 60
forecast_time = forecast_time - float(
time.strftime("%S", time.localtime())) + time.time()
if config.debug:
print(t_start)
print(t_stop)
print(time.ctime(forecast_time))
t = int(
time.mktime(
time.strptime(
time.strftime('%Y-%m-%d %H:00:00',
time.localtime(forecast_time)),
"%Y-%m-%d %H:%M:%S")))
if float(time.strftime("%H", time.localtime(t))) > t_stop:
forecast_time = forecast_time + (24 - float(
time.strftime("%H", time.localtime(t))) + t_start - 1) * 3600
t = int(
time.mktime(
time.strptime(
time.strftime('%Y-%m-%d %H:00:00',
time.localtime(forecast_time)),
"%Y-%m-%d %H:%M:%S")))
if float(time.strftime("%H", time.localtime(t))) < t_start:
forecast_time = int(
time.mktime(
time.strptime(
time.strftime('%Y-%m-%d ' + str(t_start) + ':00:00',
time.localtime(t)),
"%Y-%m-%d %H:%M:%S")))
if (forecast_time - time.time() < 80):
forehour(time.time() + 100, midnight)
if (forecast_time - time.time() < 3600):
print("redoing")
print(forecast_time - time.time())
forecast_time = forehour(h + 3 * 3600, midnight)
print("next forecast " + time.ctime(forecast_time))
return int(forecast_time)
global flux_client
print("in forecast")
try:
if (config.solfor == 1):
r1 = solcast.get_rooftop_forecasts(config.site_UUID,
api_key=config.solcast_key)
elif (config.solfor == 2):
r1 = solcast.get_wpv_power_forecasts(
config.latitude,
config.longitude,
config.forecast_capacity,
tilt=config.tilt,
azimuth=config.azimuth,
install_date=config.install_date,
hours=48,
api_key=config.solcast_key)
else:
return forehour(int(time.time() + 6 * 3600), midnight)
except Exception as e:
print("forecast error: %s" % str(e))
print("solcast off-line")
return forehour(int(time.time() + 30 * 60), midnight)
try:
for x in r1.content['forecasts']:
dt = x['period_end']
dt = dt.replace(tzinfo=pytz.timezone('UTC'))
dt = dt.astimezone(pytz.timezone(config.time_zone))
dt = time.mktime(dt.timetuple())
if (config.solfor == 1):
measurement = {
'power': float(x['pv_estimate']),
'power10': float(x['pv_estimate10']),
'power90': float(x['pv_estimate90'])
}
elif (config.solfor == 2):
measurement = {'power': float(x['pv_estimate'])}
utils.write_influx(flux_client, measurement, "forcast",
config.influxdb_database,
int(dt) * 1000000000)
print("done getting forecast")
except Exception as e:
print("forecast 1 error: %s" % str(e))
print("error in forecast")
return forehour(
min(int(time.time() + 6 * 3600), midnight - time.altzone),
midnight)
return forehour(time.time(), midnight)
def forcast():
global flux_client
print("in forcast")
try:
if (config.solfor == 1):
r1 = solcast.get_rooftop_forcasts(config.site_UUID,
api_key=config.solcast_key)
elif (config.solfor == 2):
r1 = solcast.get_wpv_power_forecasts(
config.latitude,
config.longitude,
config.forcast_capacity,
tilt=config.tilt,
azimuth=config.azimuth,
install_date=config.install_date,
hours=48,
api_key=config.solcast_key)
else:
return int(time.time() + 24 * 3600)
except Exception as e:
print("forcast error: %s" % str(e))
print("solcast off-line")
return int(time.time() + 15 * 60)
try:
for x in r1.content['forecasts']:
dt = x['period_end']
dt = dt.replace(tzinfo=pytz.timezone('UTC'))
dt = dt.astimezone(pytz.timezone(config.time_zone))
dt = time.mktime(dt.timetuple())
if (config.solfor == 1):
measurement = {
'power': float(x['pv_estimate']),
'power10': float(x['pv_estimate10']),
'power90': float(x['pv_estimate90'])
}
elif (config.solfor == 2):
measurement = {'power': float(x['pv_estimate'])}
utils.write_influx(flux_client, measurement, "forcast",
config.influxdb_database,
int(dt) * 1000000000)
print("done getting forcast")
except AttributeError as e:
print("forcast 1 error: %s" % str(e))
print("error in forcast attribute")
return int(time.time() + 12 * 3600)
except Exception as e:
print("forcast 2 error: %s" % str(e))
print("error in forcast")
return int(time.time() + 24 * 3600)
forcast_time = float(time.strftime("%H"))
if (8 <= forcast_time <= 20):
forcast_time = 2 - (forcast_time % 2)
else:
forcast_time = 12 - (forcast_time % 12)
forcast_time *= 3600
forcast_time = int(
time.mktime(
time.strptime(
time.strftime('%Y-%m-%d %H:00:00',
time.localtime(time.time() + forcast_time)),
"%Y-%m-%d %H:%M:%S")))
print("next forcast " + time.ctime(forcast_time))
return forcast_time