Mise au propre 2
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teleinfo.py
170
teleinfo.py
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# __author__ = "Sébastien Reuiller"
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# __licence__ = "Apache License 2.0"
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# Python 3, prérequis : pip install pySerial influxdb
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# TIC Enedis référence : Enedis-NOI-CPT_54E.pdf
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# https://www.enedis.fr/media/2035/download
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import logging
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import time
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from datetime import datetime
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import requests
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import serial
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from influxdb import InfluxDBClient
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import settings as cfg
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# clés à utiliser - les autres ne seront pas transmises
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USED_MESURE_KEYS = [
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'LTARF',
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'EAST',
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'EASF01',
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'EASF02',
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'IRMS1',
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'URMS1',
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'SINSTS',
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'SMAXSN',
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'CCASN',
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'UMOY1',
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'MSG1',
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'NTARF',
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]
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# clés téléinfo
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INT_MESURE_KEYS = [
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'EAST',
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'EASF',
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'EASD',
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'EAIT',
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'ERQ',
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'IRMS',
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'URMS',
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'PREF',
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'PCOUP',
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'SINST',
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'SMAX',
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'CCA',
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'UMOY',
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]
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if not cfg.SKIPPED_TRAMES:
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framescount = 0
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else:
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framescount = cfg.SKIPPED_TRAMES
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# création du logguer
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logging.basicConfig(filename='/tmp/teleinfo-releve.log', level=logging.INFO, format='%(asctime)s %(message)s')
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logging.info("Teleinfo starting..")
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# connexion a la base de données InfluxDB
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if cfg.influxdb["PASSWORD"]:
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client = InfluxDBClient(host=cfg.influxdb["HOST"], port=cfg.influxdb["PORT"], username=cfg.influxdb["USER"], password=cfg.influxdb["PASSWORD"])
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else:
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client = InfluxDBClient(host=cfg.influxdb["HOST"], port=cfg.influxdb["PORT"], username=cfg.influxdb["USER"])
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connected = False
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while not connected:
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try:
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logging.info("Database %s exists?" % cfg.influxdb["DB_NAME"])
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if not {'name': cfg.influxdb["DB_NAME"]} in client.get_list_database():
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logging.info("Database %s creation.." % cfg.influxdb["DB_NAME"])
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client.create_database(cfg.influxdb["DB_NAME"])
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logging.info("Database %s created!" % cfg.influxdb["DB_NAME"])
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client.switch_database(cfg.influxdb["DB_NAME"])
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logging.info("Connected to %s!" % cfg.influxdb["DB_NAME"])
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except requests.exceptions.ConnectionError:
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logging.info('InfluxDB is not reachable. Waiting 5 seconds to retry.')
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time.sleep(5)
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else:
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connected = True
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def add_measures(measures):
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points = []
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for measure, values in measures.items():
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point = {
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"measurement": measure,
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"tags": {
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# identification de la sonde et du compteur
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"host": "raspberry",
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"region": "linky"
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},
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"time": datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ"),
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"fields": values
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}
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points.append(point)
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client.write_points(points)
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def verif_checksum(data, checksum):
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data_unicode = 0
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for caractere in data:
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data_unicode += ord(caractere)
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sum_unicode = (data_unicode & 63) + 32
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return (checksum == chr(sum_unicode))
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def checksum(line:str) -> str:
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return chr((sum(list(line)) & 0x3F) + 0x20)
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def main():
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with serial.Serial(port='/dev/ttyAMA0', baudrate=9600, parity=serial.PARITY_EVEN, bytesize=serial.SEVENBITS, timeout=1) as ser:
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logging.info("Teleinfo is reading on /dev/ttyAMA0..")
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trame = dict()
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# boucle pour partir sur un début de trame
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line = ser.readline()
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while b'\x02' not in line: # recherche du caractère de début de trame
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line = ser.readline()
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delaycounter = framescount
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while True:
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line = ser.readline()
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logging.debug(line)
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try:
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dataset = line.replace(b'\x03\x02', b'').rstrip(b'\r\n')
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checksumchar = checksum(dataset[:-1])
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if checksumchar == chr(dataset[-1]):
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spline = dataset.split(b'\t')
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logging.debug(spline)
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etiquette = spline[0].decode('ascii')
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if etiquette in USED_MESURE_KEYS:
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value = spline[1].decode('ascii')
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timestamp = None
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if len(spline) == 4 and spline[2] != b'' : # Horodaté
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value = spline[2].decode('ascii')
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timestamp = spline[1].decode('ascii')
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for radix in INT_MESURE_KEYS:
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if etiquette.startswith(radix):
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value = int(value)
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trame[etiquette] = {
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"value": value,
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"timestamp": timestamp,
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}
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else:
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logging.debug('Checksum error, aborting frame')
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if b'\x03' in line: # si caractère de fin dans la ligne, on insère la trame dans influx
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if delaycounter >= framescount:
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time_measure = time.time()
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# insertion dans influxdb
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add_measures(trame)
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# ajout timestamp pour debugger
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trame["timestamp"] = int(time_measure)
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logging.debug(trame)
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delaycounter = 0
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else:
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delaycounter += 1
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trame = dict() # on repart sur une nouvelle trame
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except Exception as e:
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logging.error("Exception : %s" % e, exc_info=True)
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logging.error("%s" % (line))
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if __name__ == '__main__':
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if connected:
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main()
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@ -0,0 +1 @@
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teleinfo_standard.py
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@ -4,12 +4,13 @@ After=network-online.target
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[Service]
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Type=simple
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User=guillaume
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Group=guillaume
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# Run as user, make sure user can access tty (group dialout)
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#User=me
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#Group=me
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UMask=007
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ExecStart=/usr/bin/python3 /home/guillaume/teleinfo-linky-with-raspberry/teleinfo_standard.py
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ExecStart=/usr/bin/python3 /opt/teleinfo-linky-with-raspberry/teleinfo.py
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Restart=on-failure
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@ -1 +0,0 @@
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teleinfo.py
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@ -0,0 +1,170 @@
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# __author__ = "Sébastien Reuiller"
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# __licence__ = "Apache License 2.0"
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# Python 3, prérequis : pip install pySerial influxdb
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# TIC Enedis référence : Enedis-NOI-CPT_54E.pdf
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# https://www.enedis.fr/media/2035/download
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import logging
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import time
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from datetime import datetime
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import requests
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import serial
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from influxdb import InfluxDBClient
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import settings as cfg
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# clés à utiliser - les autres ne seront pas transmises
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USED_MESURE_KEYS = [
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'LTARF',
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'EAST',
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'EASF01',
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'EASF02',
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'IRMS1',
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'URMS1',
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'SINSTS',
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'SMAXSN',
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'CCASN',
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'UMOY1',
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'MSG1',
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'NTARF',
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]
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# clés téléinfo
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INT_MESURE_KEYS = [
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'EAST',
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'EASF',
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'EASD',
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'EAIT',
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'ERQ',
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'IRMS',
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'URMS',
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'PREF',
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'PCOUP',
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'SINST',
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'SMAX',
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'CCA',
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'UMOY',
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]
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if not cfg.SKIPPED_TRAMES:
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framescount = 0
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else:
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framescount = cfg.SKIPPED_TRAMES
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# création du logguer
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logging.basicConfig(filename='/tmp/teleinfo-releve.log', level=logging.INFO, format='%(asctime)s %(message)s')
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logging.info("Teleinfo starting..")
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# connexion a la base de données InfluxDB
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if cfg.influxdb["PASSWORD"]:
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client = InfluxDBClient(host=cfg.influxdb["HOST"], port=cfg.influxdb["PORT"], username=cfg.influxdb["USER"], password=cfg.influxdb["PASSWORD"])
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else:
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client = InfluxDBClient(host=cfg.influxdb["HOST"], port=cfg.influxdb["PORT"], username=cfg.influxdb["USER"])
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connected = False
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while not connected:
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try:
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logging.info("Database %s exists?" % cfg.influxdb["DB_NAME"])
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if not {'name': cfg.influxdb["DB_NAME"]} in client.get_list_database():
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logging.info("Database %s creation.." % cfg.influxdb["DB_NAME"])
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client.create_database(cfg.influxdb["DB_NAME"])
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logging.info("Database %s created!" % cfg.influxdb["DB_NAME"])
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client.switch_database(cfg.influxdb["DB_NAME"])
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logging.info("Connected to %s!" % cfg.influxdb["DB_NAME"])
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except requests.exceptions.ConnectionError:
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logging.info('InfluxDB is not reachable. Waiting 5 seconds to retry.')
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time.sleep(5)
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else:
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connected = True
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def add_measures(measures):
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points = []
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for measure, values in measures.items():
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point = {
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"measurement": measure,
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"tags": {
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# identification de la sonde et du compteur
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"host": "raspberry",
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"region": "linky"
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},
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"time": datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ"),
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"fields": values
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}
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points.append(point)
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client.write_points(points)
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def verif_checksum(data, checksum):
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data_unicode = 0
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for caractere in data:
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data_unicode += ord(caractere)
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sum_unicode = (data_unicode & 63) + 32
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return (checksum == chr(sum_unicode))
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def checksum(line:str) -> str:
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return chr((sum(list(line)) & 0x3F) + 0x20)
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def main():
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with serial.Serial(port='/dev/ttyAMA0', baudrate=9600, parity=serial.PARITY_EVEN, bytesize=serial.SEVENBITS, timeout=1) as ser:
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logging.info("Teleinfo is reading on /dev/ttyAMA0..")
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trame = dict()
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# boucle pour partir sur un début de trame
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line = ser.readline()
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while b'\x02' not in line: # recherche du caractère de début de trame
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line = ser.readline()
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delaycounter = framescount
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while True:
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line = ser.readline()
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logging.debug(line)
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try:
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dataset = line.replace(b'\x03\x02', b'').rstrip(b'\r\n')
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checksumchar = checksum(dataset[:-1])
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if checksumchar == chr(dataset[-1]):
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spline = dataset.split(b'\t')
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logging.debug(spline)
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etiquette = spline[0].decode('ascii')
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if etiquette in USED_MESURE_KEYS:
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value = spline[1].decode('ascii')
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timestamp = None
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if len(spline) == 4 and spline[2] != b'' : # Horodaté
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value = spline[2].decode('ascii')
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timestamp = spline[1].decode('ascii')
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for radix in INT_MESURE_KEYS:
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if etiquette.startswith(radix):
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value = int(value)
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trame[etiquette] = {
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"value": value,
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"timestamp": timestamp,
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}
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else:
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logging.debug('Checksum error, aborting frame')
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if b'\x03' in line: # si caractère de fin dans la ligne, on insère la trame dans influx
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if delaycounter >= framescount:
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time_measure = time.time()
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# insertion dans influxdb
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add_measures(trame)
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# ajout timestamp pour debugger
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trame["timestamp"] = int(time_measure)
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logging.debug(trame)
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delaycounter = 0
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else:
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delaycounter += 1
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trame = dict() # on repart sur une nouvelle trame
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except Exception as e:
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logging.error("Exception : %s" % e, exc_info=True)
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logging.error("%s" % (line))
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if __name__ == '__main__':
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if connected:
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main()
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