bme2vz.py

#!/usr/bin/python3
# vim: ts=2
# -*- coding: utf-8 -*-
#
from time import strftime, sleep
from urllib.request import urlopen,Request,URLopener

# install with `pip3 install adafruit-circuitpython-bme280`
import busio
import board
import adafruit_bme280

###########

VZ_URL = "https://deine.middleware.example.com/api/data/%s.json?value=%.1f"

UUID = [
  'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx', # temperature
  'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx', # humidity
  'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx', # pressure
]

I2C_ADDR = 0x76

###########

def log(s):
  print(strftime("%F %T"), s)

def vzpost(uuid, val):
  url = VZ_URL % (uuid, val)
  try:
    urlopen(Request(url, headers={'User-Agent': 'bme2vz '+URLopener.version}), data=b'', timeout=20)
  except OSError as e:
    log("vz Error: %s" % e)

# main #
try:
  i2c = busio.I2C(board.SCL, board.SDA)
  bme280 = adafruit_bme280.Adafruit_BME280_I2C(i2c, address=I2C_ADDR)
  data = (bme280.temperature, bme280.humidity, bme280.pressure)
  log('%5.2f °C | %4.1f %%rH | %6.1f mbar' % data)
  for i, val in enumerate(data):
    vzpost(UUID[i], val)
except OSError as e:
  log("Error: %s" % e)