X-Git-Url: https://git.toastfreeware.priv.at/chrisu/seepark.git/blobdiff_plain/0d50869f85b3e44b3bc6eb02f4b521fd4d8cfd76..72faf7d55093a0ec1af6a840150e422686b6f40b:/seewasser.py diff --git a/seewasser.py b/seewasser.py index a17e794..ef7f401 100755 --- a/seewasser.py +++ b/seewasser.py @@ -1,10 +1,14 @@ #! /usr/bin/python3 +import argparse +import logging import datetime import re import sys import csv import os +import configparser +from sqlalchemy import create_engine #May 27 21:32 /sys/bus/w1/devices/28-0416a1bab9ff #May 27 21:33 /sys/bus/w1/devices/28-0416a1ac66ff @@ -16,8 +20,12 @@ import os # einen Sensor auslesen #/sys/bus/w1/devices/ -def readsensor(sensorID): - sensorfile = "/sys/bus/w1/devices/28-{}/w1_slave".format(sensorID) +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: @@ -30,40 +38,59 @@ def readsensor(sensorID): yesno = match.group(1) if yesno != "YES": - return None + raise ReadsensorError('Could not evaluate sensorfile "{}"'.format(sensorfile)) # Temperatur raus linetemp = file.readline() match = re.search(" t=([-0-9]+)",linetemp) - temp = match.group(1) - temp = float(temp)/1000 + temp_raw = match.group(1) + temp = float(temp_raw)/1000 file.close() - jetzt = datetime.datetime.now() - # print(jetzt) + return jetzt, temp_raw, temp + + +def writesensordatacsv(config, sensor_id, sensor_name, timestamp, value_type, value_raw, value): # Schreiben des csv-files - file2 = open("badesaison.csv", "a", newline = "") - writer = csv.writer(file2, dialect = "excel") - writer.writerow([jetzt.strftime("%Y-%m-%d %H:%M"), sensorID, "{:.1f}".format(temp)]) + file = open(os.path.expanduser(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)]) + + file.close() + + +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() - file2.close() - # Nur für die Ausgabe wird gerundet - return temp +def main(configfile): + config = configparser.ConfigParser() + config.read(configfile) -sensoren = ["0416a1bab9ff","0416a1ac66ff","0516a207a4ff","0316a2193bff","0316a21383ff"] + 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)) -error = False -for sensorID in sensoren: - temp = readsensor(sensorID) - if temp is None: - print("Fehler bei Sensor{}".format(sensorID)) - error = True - else: - print('Sensor {}: {:.1f}°C'.format(sensorID,temp)) +if __name__ == '__main__': + default_config_file = os.path.expanduser('~/seewasser.ini') + parser = argparse.ArgumentParser(description='Read sensor data') + parser.add_argument('--config', default=default_config_file, help='configuration file') + args = parser.parse_args() + main(args.config) -sys.exit(1 if error else 0) \ No newline at end of file