fill_oh_things_template.py

# python
#
# This file is part of the mqttDisplayClient distribution:
# (https://github.com/olialb/mqttDisplayClient.
# Copyright (c) 2025 Oliver Albold.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""Module providing a function to fill an openhab things template"""

import configparser
import logging
import os
import sys

#
# initialize logger
#
LOG = logging.getLogger("OHThinksTemplate")
logging.basicConfig()

#
# global constants
#
CONFIG_FILE = "mqttBH1750Client.ini"  # name of the ini file

# import from the configuration file only the feature configuraion
CFG = configparser.ConfigParser()

# try to open ini file
try:
    if os.path.exists(CONFIG_FILE) is False:
        LOG.critical("Config file not found '%s'!", CONFIG_FILE)
    else:
        CFG.read(CONFIG_FILE)
except OSError:
    LOG.error("Error while reading ini XXX file: %s", {CONFIG_FILE})
    sys.exit()

# read ini file values
try:
    # read logging config
    logLevel = CFG["logging"]["level"]
    if logLevel in ["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"]:
        LOG.setLevel(logLevel)
    else:
        raise KeyError(logLevel)

    deviceName = CFG["global"]["deviceName"]
    topicRoot = CFG["global"]["topicRoot"]

except KeyError as error:
    LOG.error("Error while reading ini file: %s", error)
    sys.exit()

with open("BH1750.things.template", encoding="utf-8") as f:
    s = f.read()

s = s.format(name=deviceName, baseTopic=topicRoot)

with open("BH1750.things", "w", encoding="utf-8") as text_file:
    text_file.write(s)