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zero-bar.py
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zero-bar.py
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#!/usr/bin/env python3
from gpiozero import LEDBarGraph
import os
import requests
import simplejson as json
import sys
import time
#sudo pip3 install tenacity
#from tenacity import retry, stop_after_attempt
#from tenacity import wait_combine, wait_fixed, wait_jitter
# Cross-strip outputs; via omission of
# I2C, GND pins (on subsequent physical implementation)
BAR_R1 = 26
BAR_R2 = 19
BAR_R3 = 13
BAR_Y1 = 6
BAR_Y2 = 5
BAR_G1 = 7
BAR_G2 = 8
BAR_G3 = 11
BAR_G4 = 25
BAR_G5 = 10
# SolarEdge API docs:
# https://www.solaredge.com/sites/default/files/se_monitoring_api.pdf
# SolarEdge inverter identifier/API key
SE_SITE = 'nnnnnn'
SE_AKEY = 'ALPHANUMERIC0123456789ABCEDFGHIJ'
SE_SITE = os.environ.get('SE_SITE')
# SE_AKEY = os.environ['SE_AKEY']
SE_AKEY = os.environ.get('SE_AKEY')
if SE_SITE == None or SE_AKEY == None:
print('Set SE_SITE and SE_AKEY variables')
sys.exit()
# array/tuple pin layout
graph = LEDBarGraph(26, 19, 13, 6, 5, 7, 8, 11, 25, 10, pwm=True)
#@retry(wait=wait_combine(wait_fixed(10), wait_jitter(30)),
# stop=stop_after_attempt(5))
r = requests.session()
# URL to SolarEdge API
u = 'https://monitoringapi.solaredge.com/site/' + SE_SITE
u += '/currentPowerFlow?api_key=' + SE_AKEY
while 1:
try:
j = r.get(u, timeout=10)
while 'STORAGE' not in j.text:
print(j.text)
print('no data')
wait = 30
while wait > 0:
print(wait)
time.sleep(1)
wait -= 1
j = r.get(u, timeout=10)
t = j.json()['siteCurrentPowerFlow']['STORAGE']
c = int(t['chargeLevel'])
# output selection control structure, tuple addressing
graph.value = c/100
wait = 900
while wait > 0:
try:
print(wait)
time.sleep(1)
wait -= 1
except KeyboardInterrupt:
graph.close()
sys.exit()
except requests.packages.urllib3.exceptions.NewConnectionError:
print('urk')
except requests.exceptions.ConnectionError:
print('-e-r-r-o-r-')
except requests.exceptions.ReadTimeout:
print('red tim out')
except requests.exceptions.ConnectTimeout:
print('con tim out')
except ConnectionError:
print('-error-')
except ConnectionResetError:
print('Reset')
except KeyboardInterrupt:
graph.close()
# gpiozero.Factory.close()
sys.exit()