def run_8d_readout(hat, curr_x):
"""Displays a text readout of the forecast for the next 8 days
and gives the respective dates"""
global program_state
readout_8d = []
readout_string = ""
#Send another request for data
owm = OWM(API_KEY)
#Retrieve daily forecast for 8 days (includes today)
fc = owm.daily_forecast_at_id(SomeCity, limit=8)
f = fc.get_forecast()
i = 0
for weather in f:
readout_8d.append(weather)
if (i == 8):
break
i += 1
for weather in readout_8d:
readout_string = readout_string + " For " + str(
utc_to_eastern(weather.get_reference_time('date')))[0:10]
readout_string = readout_string + " " + weather.get_detailed_status(
) + " - "
hat.show_message(readout_string, scroll_speed=0.035, text_colour=nwhite)
#Goes here after break
program_state = 0 #Main menu
return_to_main_menu(hat, curr_x)
#--------------------------- SOME NEW READOUT OR LOOP ------------------------#
"""
class OpenWeatherMapModel:
def __init__(self, api_key: str, city_id: int):
self.owm = OWM(api_key)
self._city_id = city_id
self._unit = 'celsius'
@property
def city_id(self):
return self._city_id
@city_id.setter
def city_id(self, city_id: int):
self._city_id = city_id
@property
def temperature_unit(self):
return self._unit
@temperature_unit.setter
def temperature_unit(self, unit: str):
assert unit == 'fahrenheit' or unit == 'celsius'
self._unit = unit
def _parse_weather(self, weather):
temperature = weather.get_temperature(unit=self.temperature_unit)
humidity = weather.get_humidity()
weather_code = weather.get_weather_code()
return (weather_code,
temperature.get('temp_min', temperature.get('min')),
temperature.get('temp_max', temperature.get('max')), humidity)
def get_current_weather(self):
"""
Get the current weather data
:return: Tuple of weather code, temperature range, and humidity
"""
try:
obs = self.owm.weather_at_id(self.city_id)
weather = obs.get_weather()
return self._parse_weather(weather)
except pyowm.exceptions.api_call_error.APICallTimeoutError:
return 0, 0, 0, 0
def get_daily_forecast(self, limit=14, include_today=False):
"""
Get a list of forecasts
:param limit: The max number of forecasts to get
:param include_today: whether include today in the forecast
:return: list of tuples of weather code, temperature range and humidity
"""
forecaster = self.owm.daily_forecast_at_id(self.city_id, limit=limit)
weathers = forecaster.get_forecast().get_weathers()
today = datetime.datetime.now().date()
if not include_today:
weathers = filter(
lambda weather: not (weather.get_reference_time(
timeformat='date') == today), weathers)
return list(map(lambda weather: self._parse_weather(weather),
weathers))
def run_outdoor_hud_loop(hat, curr_x):
"""Run the program loop for this mini program"""
global program_state
#How often do you want to request the forecast data?
REFRESH_RATE = 600 #Every 10 min (600 seconds)
#Clear the screen
hat.clear()
#We are initializing this screen now
init = True
#Capture the start time for refresh rate calculations
start_time = time.time()
#Run the sub program loop
while (True):
#Check to see if user wants to return to main menu
return_requested = check_stick_events_2(hat)
if (return_requested):
break #Exit while to return to main menu
counter = time.time() - start_time
#If it's been < 10 min since the first, or most recent data download...
if (counter > REFRESH_RATE or init):
#Send another request for data
owm = OWM(API_KEY)
"""FOR 8-DAY FORECAST (ROW 1 & ROW 2)"""
#Retrieve daily forecast for 8 days (includes today)
fc = owm.daily_forecast_at_id(SomeCity, limit=8)
f = fc.get_forecast()
i = 0
for weather in f:
#FOR DEBUGGING
#print("At " , str(utc_to_eastern(weather.get_reference_time('date'))),weather.get_weather_code())
if (i == 8):
break
# Where W_CODES[weather.get_weather_code()][0] is giving the
# [weather.get_weather_code()] as a KEY to get the data object
# that holds the color at index [0] and description string
# (unused here) at index [1]
#Top row
hat.set_pixel(i, 0, W_CODES[weather.get_weather_code()][0])
#Second row down from top
hat.set_pixel(i, 1, W_CODES[weather.get_weather_code()][0])
i += 1
"""FOR 3 HOUR FORECAST (ROW 3 & ROW 4)"""
#Current conditions
w = get_observation(SomeCity, owm)
#Set leftmost pixels to show current status
#Row 3
hat.set_pixel(0, 2, W_CODES[w.get_weather_code()][0])
#Row 4
hat.set_pixel(0, 3, W_CODES[w.get_weather_code()][0])
#Get current temperature
temp_now = w.get_temperature('fahrenheit')["temp"]
#Restrict temp_now readings to bound for display purposes
if (temp_now > 100.00):
temp_now = 100.00
elif (temp_now < 0.00):
temp_now = 0.00
#Get current humidity
humi_now = w.get_humidity()
#Get current pressure
pres_now = w.get_pressure()["press"]
#Set current temperature color here for leftmost pixels
curr_temp_color = cold_ok_or_hot(temp_now)
"""ROW 5 Code -- 3HR temperature forecast"""
#Set leftmost pixel for ROW 5
hat.set_pixel(0, 4, curr_temp_color)
#Get the 3hr forecast for the next 7 days
fc = owm.three_hours_forecast_at_id(SomeCity)
#A list of weather objects
f = fc.get_forecast()
i = 1
#Fill in the rest of the row after first pixels for rows 3,4,5
for weather in f:
if (i == 8):
break
#Row 3
hat.set_pixel(i, 2, W_CODES[weather.get_weather_code()][0])
#Row 4
hat.set_pixel(i, 3, W_CODES[weather.get_weather_code()][0])
#Get the temp for the 3hr interval
temp_then = weather.get_temperature('fahrenheit')["temp"]
#Also set the temperature indicator row color to show if
# the temp is high, low, or tolerable at
# ROW 5
hat.set_pixel(i, 4, cold_ok_or_hot(temp_then))
i += 1
"""TEMPERATURE (ROW 6)"""
#Where 8/100 = 12.5, so every pixel is 12.5 degrees F of temp.
num_pixels = int(temp_now / 12.5)
#Temperature displays on row y == 5(6th row) from 0
# to 100 degrees where each pixel represents 12.5 degrees F
for i in range(num_pixels):
hat.set_pixel(i, 5, curr_temp_color)
for i in range(8 - num_pixels):
hat.set_pixel(i + num_pixels, 5, nwhite)
"""HUMIDITY (ROW 7)"""
curr_humi_color = dry_humid_or_ok(humi_now)
num_pixels = int(humi_now / 12.5)
#Humidity displays on row y == 6 (7th row)
#as a relative percent
for i in range(num_pixels):
hat.set_pixel(i, 6, curr_humi_color)
for i in range(8 - num_pixels):
hat.set_pixel(i + num_pixels, 6, nwhite)
"""AIR PRESSURE (ROW 8)"""
#Air pressure (in millibars) displays on
# the last row as one of three colors indicating
# if the air pressure is high, low, or reasonable
# for normal conditions
curr_pres_color = pres_lo_hi_or_ok(pres_now)
for i in range(8):
hat.set_pixel(i, 7, curr_pres_color)
#Reset counter for refreshing
start_time = time.time()
init = False
#Goes here after "break"
program_state = 0 #Main menu
return_to_main_menu(hat, curr_x)
class OpenWeatherMapModel:
def __init__(self, api_key: str, city_id: int) -> None:
self.owm = OWM(api_key)
self._city_id = city_id
self._unit = 'celsius'
self._current_weather = (0, 0.0, 0.0, 0.0, 0.0)
self._forecast = [] # type:List[Tuple[int, float, float, float, float]]
@property
def city_id(self) -> int:
return self._city_id
@city_id.setter
def city_id(self, city_id: int) -> None:
self._city_id = city_id
@property
def temperature_unit(self) -> str:
return self._unit
@temperature_unit.setter
def temperature_unit(self, unit: str) -> None:
assert unit == 'fahrenheit' or unit == 'celsius'
self._unit = unit
def _parse_weather(self, weather: Weather) -> Tuple[int, float, float,
float, float]:
temperature = weather.get_temperature(unit=self.temperature_unit)
humidity = weather.get_humidity()
weather_code = weather.get_weather_code()
return (weather_code,
temperature.get('temp_min', temperature.get('min')),
temperature.get('temp_max', temperature.get('max')),
temperature.get('temp'),
humidity)
def get_current_weather(self) -> Tuple[int, float, float, float, float]:
"""
Get the current weather data
:return: Tuple of weather code, temperature range, current temperature
and humidity
"""
try:
obs = self.owm.weather_at_id(self.city_id)
weather = obs.get_weather()
self._current_weather = self._parse_weather(weather)
except Exception as exception:
print(exception)
return self._current_weather
def get_daily_forecast(self, limit: int = 14,
include_today: bool = False) -> List[Tuple[int,
float,
float,
float,
float]]:
"""
Get a list of forecasts
:param limit: The max number of forecasts to get
:param include_today: whether include today in the forecast
:return: list of tuples of weather code, temperature range, temperature
and humidity
"""
try:
forecaster = self.owm.daily_forecast_at_id(self.city_id,
limit=limit)
weathers = forecaster.get_forecast().get_weathers()
today = datetime.datetime.now().date()
if not include_today:
weathers = filter(
lambda weather: not (weather.get_reference_time(
timeformat='date').date() == today), weathers)
self._forecast = list(
map(lambda weather: self._parse_weather(weather), weathers))
except Exception as exception:
print(exception)
return self._forecast
class WeatherPoller(object):
API_key = '9ef86a5c847ad6a5c67d09dd9b72e9a6'
API_fetch_interval = timedelta(days=1)
map_city_id = {'kitchener': 5992996}
temperature_change_threshold = 5.0
def __init__(self, city='kitchener'):
if city in WeatherPoller.map_city_id:
self.city_id = WeatherPoller.map_city_id[city]
else:
logging.error(' '.join([self.__class__.__name__, ": city:", city,
"not found in map_city_id dict."]))
raise Exception("city:", city, " not found in map_city_id dict.")
self.owm = None
self.last_api_fetch_time = None
def poll_data(self):
if self.owm is None or self.last_api_fetch_time is None \
or self.forecast is None or \
(datetime.utcnow() - self.last_api_fetch_time >
WeatherPoller.API_fetch_interval):
self.owm = OWM(WeatherPoller.API_key)
self.forecast = self.owm.daily_forecast_at_id(self.city_id)
self.last_api_fetch_time = datetime.utcnow()
logging.info(' '.join(
[self.__class__.__name__, ": poll_data() fetched new data at:",
self.last_api_fetch_time.isoformat()]))
else:
logging.info(' '.join([self.__class__.__name__, (
": poll_data() called within fetch "
"interval threshold, use previous "
"fetched data at:"), self.last_api_fetch_time.isoformat()]))
def trigger_notification(self, message):
print message
def check_temperature_change(self):
weather_lst = self.forecast.get_forecast().get_weathers()
today = datetime.utcnow()
tomorrow = today + timedelta(days=1)
today_temp = weather_lst[0].get_temperature(unit='celsius')
tomorrow_temp = self.forecast.get_weather_at(tomorrow).get_temperature(
unit='celsius')
logging.debug(' '.join(
[self.__class__.__name__, ": check_temperature_change", "\ntoday:",
str(today_temp), "\ntomorrow", str(tomorrow_temp)]))
alert_lst = []
for item in today_temp:
if abs(today_temp[item] - tomorrow_temp[
item]) >= WeatherPoller.temperature_change_threshold:
alert_lst.append(
"Temperature change alert:"
"item: {key}, today:{today}, tomorrow:{tomorrow}".format(
key=item,
today=today_temp[item],
tomorrow=tomorrow_temp[item]))
return alert_lst
