stdd/stddlib/configuration.py

# -*- coding: utf-8-*-
#
# This file is part of stdd, the simple time display daemon,
# written by Helmut Pozimski <helmut@pozimski.eu>,
# licensed under the 3-clause BSD license

import datetime


class Conf(object):
	def __init__(self):
		"""creates the object prepopulated with some reasonable default values"""
		self.__values = {
				"hw_address": "",
				"blink_colon": "0",
				"brightness_high": "15",
				"brightness_low": "2",
				"set_brightness_low": "00:00",
				"set_brightness_high": "00:00",
				"syslog_level": "info",
				"syslog_facility": "user"
				}

		""" declare empty variables to write the checked values into """
		self.hw_address = 0
		self.blink_colon = False
		self.brightness_high = 0
		self.brightness_low = 0
		self.set_brightness_low = None
		self.set_brightness_high = None
		self.syslog_level = ""
		self.syslog_facility = ""

	def Read(self, file_path="/etc/stdd.conf"):
		"""reads the configuration file from the path given to the function,
		default to /etc/stdd.conf if empty"""
		self.__conffile = open(file_path, "r")
		for line in self.__conffile:
			if "#" in line:
				continue
			else:
				self.__line_stripped = line.strip()
				if self.__line_stripped != "":
					self.__tmpvalue = self.__line_stripped.split("=")
					self.__values[self.__tmpvalue[0].lower()] = self.__tmpvalue[1]
		self.__conffile.close()

	def Analyze(self):
		"""takes the values from the list, converts them to the needed data types
		and writes them into the prepared attributes

		"""
		self.hw_address = int(self.__values["hw_address"], 16)
		if self.__values["blink_colon"] == "1":
			self.blink_colon = True
		else:
			self.blink_colon = False
		self.brightness_high = int(self.__values["brightness_high"])
		self.brightness_low = int(self.__values["brightness_low"])
		self.__timetemp = self.__values["set_brightness_high"].split(":")
		self.set_brightness_high = datetime.time(int(self.__timetemp[0]),
			int(self.__timetemp[1]))
		self.__timetemp = self.__values["set_brightness_low"].split(":")
		self.set_brightness_low = datetime.time(int(self.__timetemp[0]),
			int(self.__timetemp[1]))
		self.syslog_level = self.__values["syslog_level"]
		self.syslog_facility = self.__values["syslog_facility"]
		del self.__values