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sensehat_wunderground.py
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sensehat_wunderground.py
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import os
import urllib2
import json
import glob
import time
import RPi.GPIO as io
from ISStreamer.Streamer import Streamer
from sense_hat import SenseHat
# --------- User Settings ---------
STATE = "CA"
CITY = "San_Francisco"
SENSOR_LOCATION_NAME = "Office"
WUNDERGROUND_API_KEY = "PLACE YOUR WUNDERGROUND API KEY HERE"
BUCKET_NAME = ":partly_sunny: " + CITY + " Weather"
BUCKET_KEY = "shwu1"
ACCESS_KEY = "PLACE YOUR INITIAL STATE ACCESS KEY HERE"
MINUTES_BETWEEN_READS = 15
METRIC_UNITS = False
# ---------------------------------
def isFloat(string):
try:
float(string)
return True
except ValueError:
return False
def get_conditions():
api_conditions_url = "http://api.wunderground.com/api/" + WUNDERGROUND_API_KEY + "/conditions/q/" + STATE + "/" + CITY + ".json"
try:
f = urllib2.urlopen(api_conditions_url)
except:
print "Failed to get conditions"
return []
json_conditions = f.read()
f.close()
return json.loads(json_conditions)
def get_astronomy():
api_astronomy_url = "http://api.wunderground.com/api/" + WUNDERGROUND_API_KEY + "/astronomy/q/" + STATE + "/" + CITY + ".json"
try:
f = urllib2.urlopen(api_astronomy_url)
except:
print "Failed to get astronomy"
return []
json_astronomy = f.read()
f.close()
return json.loads(json_astronomy)
def is_night(astronomy):
sunrise_hour = int(astronomy['moon_phase']['sunrise']['hour'])
sunrise_min = int(astronomy['moon_phase']['sunrise']['minute'])
sunset_hour = int(astronomy['moon_phase']['sunset']['hour'])
sunset_min = int(astronomy['moon_phase']['sunset']['minute'])
current_hour = int(astronomy['moon_phase']['current_time']['hour'])
current_min = int(astronomy['moon_phase']['current_time']['minute'])
if ( (current_hour < sunrise_hour) or
(current_hour > sunset_hour) or
((current_hour == sunrise_hour) and
(current_min < sunrise_min)) or
((current_hour == sunset_hour) and
(current_min > sunset_min)) ):
return True
return False
def moon_icon(moon_phase):
icon = {
"New Moon" : ":new_moon:",
"Waxing Crescent" : ":waxing_crescent_moon:",
"First Quarter" : ":first_quarter_moon:",
"Waxing Gibbous" : ":waxing_gibbous_moon:",
"Full Moon" : ":full_moon:",
"Full" : ":full_moon:",
"Waning Gibbous" : ":waning_gibbous_moon:",
"Last Quarter" : ":last_quarter_moon:",
"Waning Crescent" : ":waning_crescent_moon:",
}
return icon.get(moon_phase,":crescent_moon:")
def weather_icon(weather_conditions):
icon = {
"clear" : ":sun_with_face:",
"cloudy" : ":cloud:",
"flurries" : ":snowflake:",
"fog" : ":foggy:",
"hazy" : ":foggy:",
"mostlycloudy" : ":cloud:",
"mostlysunny" : ":sun_with_face:",
"partlycloudy" : ":partly_sunny:",
"partlysunny" : ":partly_sunny:",
"sleet" : ":sweat_drops: :snowflake:",
"rain" : ":umbrella:",
"snow" : ":snowflake:",
"sunny" : ":sun_with_face:",
"tstorms" : ":zap: :umbrella:",
"unknown" : ":sun_with_face:",
}
return icon.get(weather_conditions,":sun_with_face:")
def weather_status_icon(conditions, astronomy):
moon_phase = astronomy['moon_phase']['phaseofMoon']
weather_conditions = conditions['current_observation']['icon']
icon = weather_icon(weather_conditions)
if is_night(astronomy):
if ((icon == ":sunny:") or
(icon == ":partly_sunny:") or
(icon == ":sun_with_face:")):
return moon_icon(moon_phase)
return icon
def wind_dir_icon(conditions, astronomy):
icon = {
"East" : ":arrow_right:",
"ENE" : ":arrow_upper_right:",
"ESE" : ":arrow_lower_right:",
"NE" : ":arrow_upper_right:",
"NNE" : ":arrow_upper_right:",
"NNW" : ":arrow_upper_left:",
"North" : ":arrow_up:",
"NW" : ":arrow_upper_left:",
"SE" : ":arrow_lower_right:",
"South" : ":arrow_down:",
"SSE" : ":arrow_lower_right:",
"SSW" : ":arrow_lower_left:",
"SW" : ":arrow_lower_left:",
"Variable" : ":arrows_counterclockwise:",
"West" : ":arrow_left:",
"WNW" : ":arrow_upper_left:",
"WSW" : ":arrow_lower_left:",
}
return icon.get(conditions['current_observation']['wind_dir'],":crescent_moon:")
def main():
sense = SenseHat()
conditions = get_conditions()
astronomy = get_astronomy()
if ('current_observation' not in conditions) or ('moon_phase' not in astronomy):
print "Error! Wunderground API call failed, check your STATE and CITY and make sure your Wunderground API key is valid!"
if 'error' in conditions['response']:
print "Error Type: " + conditions['response']['error']['type']
print "Error Description: " + conditions['response']['error']['description']
exit()
else:
streamer = Streamer(bucket_name=BUCKET_NAME, bucket_key=BUCKET_KEY, access_key=ACCESS_KEY)
streamer.log(":house: Location",conditions['current_observation']['display_location']['full'])
while True:
# -------------- Sense Hat --------------
# Read the sensors
temp_c = sense.get_temperature()
humidity = sense.get_humidity()
pressure_mb = sense.get_pressure()
# Format the data
temp_f = temp_c * 9.0 / 5.0 + 32.0
temp_f = float("{0:.2f}".format(temp_f))
temp_c = float("{0:.2f}".format(temp_c))
humidity = float("{0:.2f}".format(humidity))
pressure_in = 0.0295301*(pressure_mb)
pressure_in = float("{0:.2f}".format(pressure_in))
pressure_mb = float("{0:.2f}".format(pressure_mb))
# Print and stream
if (METRIC_UNITS):
print SENSOR_LOCATION_NAME + " Temperature(C): " + str(temp_c)
print SENSOR_LOCATION_NAME + " Pressure(mb): " + str(pressure_mb)
streamer.log(":sunny: " + SENSOR_LOCATION_NAME + " Temperature(C)", temp_c)
streamer.log(":cloud: " + SENSOR_LOCATION_NAME + " Pressure (mb)", pressure_mb)
else:
print SENSOR_LOCATION_NAME + " Temperature(F): " + str(temp_f)
print SENSOR_LOCATION_NAME + " Pressure(IN): " + str(pressure_in)
streamer.log(":sunny: " + SENSOR_LOCATION_NAME + " Temperature(F)", temp_f)
streamer.log(":cloud: " + SENSOR_LOCATION_NAME + " Pressure (IN)", pressure_in)
print SENSOR_LOCATION_NAME + " Humidity(%): " + str(humidity)
streamer.log(":sweat_drops: " + SENSOR_LOCATION_NAME + " Humidity(%)", humidity)
# -------------- Wunderground --------------
conditions = get_conditions()
astronomy = get_astronomy()
if ('current_observation' not in conditions) or ('moon_phase' not in astronomy):
print "Error! Wunderground API call failed. Skipping a reading then continuing ..."
else:
humidity_pct = conditions['current_observation']['relative_humidity']
humidity = humidity_pct.replace("%","")
# Stream valid conditions to Initial State
streamer.log(":cloud: " + CITY + " Weather Conditions",weather_status_icon(conditions, astronomy))
streamer.log(":crescent_moon: Moon Phase",moon_icon(astronomy['moon_phase']['phaseofMoon']))
streamer.log(":dash: " + CITY + " Wind Direction",wind_dir_icon(conditions, astronomy))
if (METRIC_UNITS):
if isFloat(conditions['current_observation']['temp_c']):
streamer.log(CITY + " Temperature(C)",conditions['current_observation']['temp_c'])
if isFloat(conditions['current_observation']['dewpoint_c']):
streamer.log(CITY + " Dewpoint(C)",conditions['current_observation']['dewpoint_c'])
if isFloat(conditions['current_observation']['wind_kph']):
streamer.log(":dash: " + CITY + " Wind Speed(KPH)",conditions['current_observation']['wind_kph'])
if isFloat(conditions['current_observation']['wind_gust_kph']):
streamer.log(":dash: " + CITY + " Wind Gust(KPH)",conditions['current_observation']['wind_gust_kph'])
if isFloat(conditions['current_observation']['pressure_mb']):
streamer.log(CITY + " Pressure(mb)",conditions['current_observation']['pressure_mb'])
if isFloat(conditions['current_observation']['precip_1hr_metric']):
streamer.log(":umbrella: " + CITY + " Precip 1 Hour(mm)",conditions['current_observation']['precip_1hr_metric'])
if isFloat(conditions['current_observation']['precip_today_metric']):
streamer.log(":umbrella: " + CITY + " Precip Today(mm)",conditions['current_observation']['precip_today_metric'])
else:
if isFloat(conditions['current_observation']['temp_f']):
streamer.log(CITY + " Temperature(F)",conditions['current_observation']['temp_f'])
if isFloat(conditions['current_observation']['dewpoint_f']):
streamer.log(CITY + " Dewpoint(F)",conditions['current_observation']['dewpoint_f'])
if isFloat(conditions['current_observation']['wind_mph']):
streamer.log(":dash: " + CITY + " Wind Speed(MPH)",conditions['current_observation']['wind_mph'])
if isFloat(conditions['current_observation']['wind_gust_mph']):
streamer.log(":dash: " + CITY + " Wind Gust(MPH)",conditions['current_observation']['wind_gust_mph'])
if isFloat(conditions['current_observation']['pressure_in']):
streamer.log(CITY + " Pressure(IN)",conditions['current_observation']['pressure_in'])
if isFloat(conditions['current_observation']['precip_1hr_in']):
streamer.log(":umbrella: " + CITY + " Precip 1 Hour(IN)",conditions['current_observation']['precip_1hr_in'])
if isFloat(conditions['current_observation']['precip_today_in']):
streamer.log(":umbrella: " + CITY + " Precip Today(IN)",conditions['current_observation']['precip_today_in'])
if isFloat(conditions['current_observation']['solarradiation']):
streamer.log(":sunny: " + CITY + " Solar Radiation (watt/m^2)",conditions['current_observation']['solarradiation'])
if isFloat(humidity):
streamer.log(":droplet: " + CITY + " Humidity(%)",humidity)
if isFloat(conditions['current_observation']['UV']):
streamer.log(":sunny: " + CITY + " UV Index:",conditions['current_observation']['UV'])
streamer.flush()
time.sleep(60*MINUTES_BETWEEN_READS)
if __name__ == "__main__":
main()