ambient_info/ambient_info.py

import config
import logging
import paho.mqtt.client as paho
import socket
import report
import time

from rpi_envsens.dht import dht_22
from rpi_envsens.bmp import bmp_180

try:
    from config import APP_NAME as ROOT_LOGGER_NAME
except ImportError:
    ROOT_LOGGER_NAME = 'root'
logger = logging.getLogger(ROOT_LOGGER_NAME).getChild('main')


def send_data_to_mqtt(data):
    client= paho.Client(config.APP_NAME)
    client.username_pw_set(config.MQTT_USER, config.MQTT_PASS)
    try:
        client.connect(config.MQTT_SERVER, 1883)
        for key in data:
            topic = config.MQTT_TOPIC + "/" + key
            logger.info("Sending Ambient Information to mqtt %s=%s", topic, str(data[key]))
            client.publish(topic, data[key])
    except (socket.timeout, OSError) as e:
        logger.warning("Erro while sending ambient information")


def dht_callback(**data):
    del(data["time"])
    send_data_to_mqtt(data)

def bmp_callback(**data):
    del(data["time"])
    del(data["temperature"])
    send_data_to_mqtt(data)
    


if __name__ == '__main__': 
    report.appLoggingConfigure(config.__BASEPATH__, config.LOGTARGET, ((config.APP_NAME, config.LOGLVL), ), fmt=config.formatter, host=config.LOGHOST, port=config.LOGPORT)

    #
    # Initialise data collectors
    d = dht_22(config.DHT_22_PORT, dht_callback)
    b = bmp_180(bmp_callback)

    while True:
        time.sleep(1)