From f2fa838ab17eb75220c158bead664f2562a69280 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Reuiller?= <sebastien@reuiller.email>
Date: Wed, 13 Feb 2019 23:32:50 +0100
Subject: [PATCH] ajout script python

---
 teleinfo.py | 126 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 teleinfo.py

diff --git a/teleinfo.py b/teleinfo.py
new file mode 100644
index 0000000..87467a7
--- /dev/null
+++ b/teleinfo.py
@@ -0,0 +1,126 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# __author__ = "Sébastien Reuiller"
+# __licence__ = "Apache License 2.0"
+
+# Python 3, prerequis : pip install pySerial influxdb
+#
+# Exemple de trame:
+# {
+#  'OPTARIF': 'HC..',        # option tarifaire
+#  'IMAX': '007',            # intensité max
+#  'HCHC': '040177099',      # index heure creuse en Wh
+#  'IINST': '005',           # Intensité instantanée en A
+#  'PAPP': '01289',          # puissance Apparente, en VA
+#  'MOTDETAT': '000000',     # Mot d'état du compteur
+#  'HHPHC': 'A',             # Horaire Heures Pleines Heures Creuses
+#  'ISOUSC': '45',           # Intensité souscrite en A
+#  'ADCO': '000000000000',   # Adresse du compteur
+#  'HCHP': '035972694',      # index heure pleine en Wh
+#  'PTEC': 'HP..'            # Période tarifaire en cours
+# }
+
+
+import serial
+import logging
+import time
+import requests
+from datetime import datetime
+from influxdb import InfluxDBClient
+
+# clés téléinfo
+int_measure_keys = ['IMAX', 'HCHC', 'IINST', 'PAPP', 'ISOUSC', 'ADCO', 'HCHP']
+
+# création du logguer
+logging.basicConfig(filename='/var/log/teleinfo/releve.log', level=logging.INFO, format='%(asctime)s %(message)s')
+logging.info("Teleinfo starting..")
+
+# connexion a la base de données InfluxDB
+client = InfluxDBClient('localhost', 8086)
+db = "teleinfo"
+connected = False
+while not connected:
+    try:
+        logging.info("Database %s exists?" % db)
+        if not {'name': db} in client.get_list_database():
+            logging.info("Database %s creation.." % db)
+            client.create_database(db)
+            logging.info("Database %s created!" % db)
+        client.switch_database(db)
+        logging.info("Connected to %s!" % db)
+    except requests.exceptions.ConnectionError:
+        logging.info('InfluxDB is not reachable. Waiting 5 seconds to retry.')
+        time.sleep(5)
+    else:
+        connected = True
+
+
+def add_measures(measures, time_measure):
+    points = []
+    for measure, value in measures.items():
+        point = {
+                    "measurement": measure,
+                    "tags": {
+                        "host": "raspberry",
+                        "region": "linky"
+                    },
+                    "time": datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ"),
+                    "fields": {
+                        "value": value
+                    }
+                }
+        points.append(point)
+
+    client.write_points(points)
+
+
+def main():
+    with serial.Serial(port='/dev/ttyS0', baudrate=1200, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE,
+                       bytesize=serial.SEVENBITS, timeout=1) as ser:
+
+        logging.info("Teleinfo is reading on /dev/ttyS0..")
+
+        trame = dict()
+
+        # boucle pour partir sur un début de trame
+        line = ser.readline()
+        while b'\x02' not in line:  # recherche du caractère de début de trame
+            line = ser.readline()
+
+        # lecture de la première ligne de la première trame
+        line = ser.readline()
+
+        while True:
+            line_str = line.decode("utf-8")
+            ar = line_str.split(" ")
+            try:
+                key = ar[0]
+                if key in int_measure_keys :
+                    value = int(ar[1])
+                else:
+                    value = ar[1]
+
+                checksum = ar[2]
+                trame[key] = value
+                if b'\x03' in line:  # si caractère de fin dans la ligne, on insère la trame dans influx
+                    del trame['ADCO']  # adresse du compteur : confidentiel!
+                    time_measure = time.time()
+
+                    # insertion dans influxdb
+                    add_measures(trame, time_measure)
+
+                    # ajout timestamp pour debugger
+                    trame["timestamp"] = int(time_measure)
+                    logging.debug(trame)
+
+                    trame = dict()  # on repart sur une nouvelle trame
+            except Exception as e:
+                logging.error("Exception : %s" % e)
+            line = ser.readline()
+
+
+if __name__ == '__main__':
+    if connected:
+        main()
+
+