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February 4, 2021 12:24
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A weather status script for the Raspberry Pi and Blinkt module
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import json, time, os.path | |
import blinkt, requests | |
status_colors = {'current':[1,1,1],'high':[1,0,0],'low':[0,0,1],'precip':[0,1,0]} | |
blinkt.set_clear_on_exit() | |
blinkt.set_brightness(.1) | |
def getForecast(key,lat,lng): | |
url = 'https://api.darksky.net/forecast/' + key + '/' + str(lat) + ',' + str(lng) | |
stl = requests.get(url) | |
return stl.json() | |
def getTempColor(temp): | |
if temp <= 0: | |
color = [10,0,30] | |
elif temp <= 32: | |
color = [0,0,30] | |
elif temp <= 50: | |
color = [0,15,30] | |
elif temp <= 65: | |
color = [0,30,0] | |
elif temp <= 80: | |
color = [60,20,0] | |
elif temp <= 95: | |
color = [60,10,0] | |
else: | |
color = [30,0,0] | |
return color | |
def getStoplightColor(prob,low,high): | |
if prob < low: | |
color = [0,30,0] | |
elif prob < high: | |
color = [60,20,0] | |
else: | |
color = [30,0,0] | |
return color | |
def showSevenDayTemps(temps, which): | |
blinkt.clear() | |
# set status light | |
color = status_colors[which] | |
blinkt.set_pixel(7,color[0],color[1],color[2]) | |
for i in range(7): | |
color = getTempColor(temps[i]) | |
blinkt.set_pixel(i,color[0],color[1],color[2]) | |
blinkt.show() | |
def showSevenDayPrecip(precip, which): | |
blinkt.clear() | |
# set status light | |
color = status_colors[which] | |
blinkt.set_pixel(7,color[0],color[1],color[2]) | |
for i in range(7): | |
color = getStoplightColor(precip[i],.25,.75) | |
blinkt.set_pixel(i,color[0],color[1],color[2]) | |
blinkt.show() | |
def showCurrent(data): | |
blinkt.clear() | |
# set status light | |
color = status_colors['current'] | |
blinkt.set_pixel(7,color[0],color[1],color[2]) | |
# get current temp (use color scale) | |
color = getTempColor(data['temp']) | |
blinkt.set_pixel(0,color[0],color[1],color[2]) | |
# daily high and low (use color scale) | |
color = getTempColor(data['low']) | |
blinkt.set_pixel(1,color[0],color[1],color[2]) | |
color = getTempColor(data['high']) | |
blinkt.set_pixel(2,color[0],color[1],color[2]) | |
# precip (red, yellow, green) | |
color = getStoplightColor(data['precip'],.25,.75) | |
blinkt.set_pixel(3,color[0],color[1],color[2]) | |
blinkt.show() | |
def prepData(forecast): | |
data = {'lows': [], 'highs': [], 'precip': [], 'current': {}} | |
for day in forecast['daily']['data']: | |
data['lows'].append(day['apparentTemperatureLow']) | |
data['highs'].append(day['apparentTemperatureHigh']) | |
data['precip'].append(day['precipProbability']) | |
curr_temp = forecast['currently']['apparentTemperature'] | |
data['current']['temp'] = curr_temp | |
data['current']['low'] = curr_temp | |
data['current']['high'] = curr_temp | |
for hour in forecast['hourly']['data'][:24]: | |
if hour['apparentTemperature'] < data['current']['low']: | |
data['current']['low'] = hour['apparentTemperature'] | |
if hour['apparentTemperature'] > data['current']['high']: | |
data['current']['high'] = hour['apparentTemperature'] | |
data['current']['precip'] = forecast['daily']['data'][0]['precipProbability'] | |
return data | |
forecast = None | |
cur_time = time.time() | |
interval = 5*60 | |
delay = 2 | |
while True: | |
if forecast is not None and (cur_time + interval) > time.time(): | |
pass | |
else: | |
forecast = getForecast( [api key] ,38.6270,-90.1994) | |
data = prepData(forecast) | |
cur_time = time.time() | |
showCurrent(data['current']) | |
time.sleep(delay) | |
showSevenDayTemps(data['lows'], 'low') | |
time.sleep(delay) | |
showSevenDayTemps(data['highs'], 'high') | |
time.sleep(delay) | |
showSevenDayPrecip(data['precip'], 'precip') | |
time.sleep(delay) |
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@brentajones, where do you add the API key in all this? When I tried adding it on line 115, I get:
(Obviously, I'm not going to post my API key there, but you get the point)