mirror of
https://github.com/naruxde/revpicommander.git
synced 2025-11-09 00:53:53 +01:00
118 lines
3.1 KiB
Python
118 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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"""Global program initialization."""
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__author__ = "Sven Sager"
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__copyright__ = "Copyright (C) 2019 Sven Sager"
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__license__ = "LGPLv3"
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import logging
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import sys
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from argparse import ArgumentParser
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from configparser import ConfigParser
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from os import R_OK, W_OK, access
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from os.path import abspath, dirname, join
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# Program name
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programname = "revpicommander"
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# Set to True, if you want to save config file
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conf_rw = False
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conf = ConfigParser()
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logger = logging.getLogger()
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pidfile = "/var/run/{0}.pid".format(programname)
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def cleanup():
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"""Clean up program."""
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# Shutdown logging system
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logging.shutdown()
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def reconfigure_logger():
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"""Configure logging module of program."""
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# Clear all log handler
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for lhandler in logger.handlers.copy():
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lhandler.close()
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logger.removeHandler(lhandler)
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# Create new log handler
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logformat = logging.Formatter(
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"{asctime} [{levelname:8}] {message}",
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datefmt="%Y-%m-%d %H:%M:%S", style="{"
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)
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lhandler = logging.StreamHandler(sys.stdout)
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lhandler.setFormatter(logformat)
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logger.addHandler(lhandler)
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if "logfile" in pargs and pargs.logfile is not None:
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# Write logs to a logfile
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lhandler = logging.FileHandler(filename=pargs.logfile)
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lhandler.setFormatter(logformat)
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logger.addHandler(lhandler)
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# Loglevel auswerten
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if pargs.verbose == 1:
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loglevel = logging.INFO
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elif pargs.verbose > 1:
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loglevel = logging.DEBUG
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else:
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loglevel = logging.WARNING
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logger.setLevel(loglevel)
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def reload_conf():
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"""Reload config file."""
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if "conffile" in pargs:
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# Check config file
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if not access(pargs.conffile, R_OK):
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raise RuntimeError(
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"can not access config file '{0}'".format(pargs.conffile)
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)
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if conf_rw and not access(pargs.conffile, W_OK):
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raise RuntimeError(
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"can not write to config file '{0}'".format(pargs.conffile)
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)
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# Create global config
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global conf
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logger.info("loading config file: {0}".format(pargs.conffile))
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conf.read(pargs.conffile)
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# Generate command arguments of the program
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parser = ArgumentParser(
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prog=programname,
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description="Program description"
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)
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parser.add_argument(
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"-f", "--logfile", dest="logfile",
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help="Save log entries to this file"
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)
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parser.add_argument(
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"-v", "--verbose", action="count", dest="verbose", default=0,
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help="Switch on verbose logging"
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)
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pargs = parser.parse_args()
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# Check important objects and set to default if they do not exists
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if "verbose" not in pargs:
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pargs.verbose = 0
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# Get absolute paths
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pwd = abspath(".")
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# Configure logger
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if "logfile" in pargs and pargs.logfile is not None \
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and dirname(pargs.logfile) == "":
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pargs.logfile = join(pwd, pargs.logfile)
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reconfigure_logger()
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# Initialize configparser of globalconfig
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if "conffile" in pargs and dirname(pargs.conffile) == "":
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pargs.conffile = join(pwd, pargs.conffile)
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# Load configuration - Comment out, if you do that in your own program
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reload_conf()
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