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#!/usr/bin/python
# -*- coding:utf-8 -*-
#
# Copyright 2009 chickenzilla
# Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
#
# This file is part of Poezio.
#
# Poezio 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 of the License.
#
# Poezio 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 Poezio. If not, see <http://www.gnu.org/licenses/>.
"""
Defines the global config instance, used to get or set (and save) values
from/to the config file
"""
from ConfigParser import RawConfigParser, NoOptionError
from os import environ, makedirs
from shutil import copy2
class Config(RawConfigParser):
"""
load/save the config to a file
"""
def __init__(self, file_name):
self.defsection = "Poezio"
self.file_name = file_name
RawConfigParser.__init__(self, None)
RawConfigParser.read(self, file_name)
def get(self, option, default):
"""
get a value from the config but return
a default value if it is not found
The type of default defines the type
returned
"""
try:
if type(default) == int:
res = self.getint(option)
elif type(default) == float:
res = self.getfloat(option)
elif type(default) == bool:
res = self.getboolean(option)
else:
res = self.getstr(option)
except NoOptionError:
return default
return res
def __get(self, option):
"""
facility for RawConfigParser.get
"""
return RawConfigParser.get(self, self.defsection, option)
def getstr(self, option):
"""
get a value and returns it as a string
"""
return self.__get(option)
def getint(self, option):
"""
get a value and returns it as an int
"""
try:
return int(self.__get(option))
except ValueError:
return -1
def getfloat(self, option):
"""
get a value and returns it as a float
"""
return float(self.__get(option))
def getboolean(self, option):
"""
get a value and returns it as a boolean
"""
return RawConfigParser.getboolean(self, self.defsection, option)
def save(self):
"""
save the configuration in the file
"""
fdes = open(self.file_name, "w")
RawConfigParser.write(self, fdes)
fdes.close()
def set_and_save(self, option, value):
"""
set the value in the configuration then save it
to the file
"""
RawConfigParser.set(self, self.defsection, option, value)
self.save()
# creates the configuration directory if it doesn't exist
# and copy the default config in it
CONFIG_HOME = environ.get("XDG_CONFIG_HOME")
if not CONFIG_HOME:
CONFIG_HOME = environ.get('HOME')+'/.config'
CONFIG_PATH = CONFIG_HOME + '/poezio/'
try:
makedirs(CONFIG_PATH)
copy2('../data/default_config.cfg', CONFIG_PATH+'poezio.cfg')
except OSError:
pass
config = Config(CONFIG_PATH+'poezio.cfg')
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