X-Git-Url: https://git.toastfreeware.priv.at/chrisu/seepark.git/blobdiff_plain/a268adb8bcb7cc65713cf8a7ccd7c3de3930f1d8..f884244feef20d1216cbbbaf123d15d9732758cb:/seewasser.py?ds=inline diff --git a/seewasser.py b/seewasser.py index 42c96f4..dfed1cf 100755 --- a/seewasser.py +++ b/seewasser.py @@ -1,42 +1,89 @@ #! /usr/bin/python3 +import logging import datetime import re import sys +import csv +import os +import configparser +from sqlalchemy import create_engine -jetzt = datetime.datetime.now() - -# print(jetzt) +#May 27 21:32 /sys/bus/w1/devices/28-0416a1bab9ff +#May 27 21:33 /sys/bus/w1/devices/28-0416a1ac66ff +#May 27 21:35 /sys/bus/w1/devices/28-0516a207a4ff +#May 27 21:38 /sys/bus/w1/devices/28-0316a2193bff +#May 27 21:38 /sys/bus/w1/devices/28-0316a21383ff +# Eine Funktion: # einen Sensor auslesen #/sys/bus/w1/devices/ -sensorfile = "/sys/bus/w1/devices/28-0316a21383ff/w1_slave" -file = open(sensorfile) +class ReadsensorError(RuntimeError): + pass + + +def readsensor(sensor_id): + sensorfile = "/sys/bus/w1/devices/28-{}/w1_slave".format(sensor_id) + file = open(sensorfile) + + # Inhalt des Sensors: + # 64 01 4b 46 7f ff 0c 10 01 : crc=01 YES + # 64 01 4b 46 7f ff 0c 10 01 t=22250 + + # Suche nach YES + linecrc = file.readline() + match = re.search(": crc=[0-9a-f]{2} (YES|NO)",linecrc) + + yesno = match.group(1) + if yesno != "YES": + raise ReadsensorError('Could not evaluate sensorfile "{}"'.format(sensorfile)) + + # Temperatur raus + linetemp = file.readline() + match = re.search(" t=([-0-9]+)",linetemp) + + temp_raw = match.group(1) + temp = float(temp_raw)/1000 + + file.close() + jetzt = datetime.datetime.now() + + return jetzt, temp_raw, temp -# Inhalt des Sensors: -# 64 01 4b 46 7f ff 0c 10 01 : crc=01 YES -# 64 01 4b 46 7f ff 0c 10 01 t=22250 -# Suche nach YES -linecrc = file.readline() -match = re.search(": crc=[0-9a-f]{2} (YES|NO)",linecrc) +def writesensordatacsv(config, sensor_id, sensor_name, timestamp, value_type, value_raw, value): + # Schreiben des csv-files + file = open(config.get("csv", "filename"), "a", newline = "") + writer = csv.writer(file, dialect = "excel") + writer.writerow([timestamp.strftime("%Y-%m-%d %H:%M"), sensor_id, sensor_name, "{:.1f}".format(value)]) -yesno = match.group(1) -if yesno != "YES": - sys.exit(1) + file.close() -# Temperatur raus -linetemp = file.readline() -match = re.search(" t=([-0-9]+)",linetemp) -temp = match.group(1) -temp = float(temp)/1000 +def writesensordatadb(config, sensor_id, sensor_name, timestamp, value_type, value_raw, value): + # Schreiben des db-files + user = config.get('database', 'user') + pwd = config.get('database','password') + host = config.get('database','hostname') + db = config.get('database','database') + + engine = create_engine('mysql+mysqldb://{}:{}@{}/{}'.format(user, pwd, host, db), echo=False) + conn = engine.connect() + conn.execute("insert into sensors (sensor_id, sensor_name, value_type, value_raw, value, timestamp) values (%s,%s,%s,%s,%s,%s)", sensor_id, sensor_name, value_type, value_raw, value, timestamp) + conn.close() -file.close() +def main(): + config = configparser.ConfigParser() + config.read(os.path.expanduser('~/seewasser.ini')) + + value_type = "Wassertemperatur" + for sensor_id, sensor_name in config.items('temperature'): + timestamp, value_raw, value = readsensor(sensor_id) + writesensordatacsv(config, sensor_id, sensor_name, timestamp, value_type, value_raw, value) + writesensordatadb(config, sensor_id, sensor_name, timestamp, value_type, value_raw, value) + logging.info('Sensor {}: {:.1f}°C'.format(sensor_id, value)) -print(temp) -# Nur für die Ausgabe wird gerundet -print('Die Seetemperatur ist {:.1f}°C'.format(temp)) \ No newline at end of file +main()