forked from openlp/openlp
131 lines
4.5 KiB
Python
131 lines
4.5 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2010 Raoul Snyman #
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# Portions copyright (c) 2008-2010 Tim Bentley, Jonathan Corwin, Michael #
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# Gorven, Scott Guerrieri, Christian Richter, Maikel Stuivenberg, Martin #
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# Thompson, Jon Tibble, Carsten Tinggaard #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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import os
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from ConfigParser import SafeConfigParser
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class Registry(object):
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"""
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The Registry class is a high-level class for working with a configuration
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file.
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"""
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def __init__(self, dir):
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self.config = SafeConfigParser()
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self.file_name = os.path.join(dir, u'openlp.conf')
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self._load()
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def has_value(self, section, key):
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"""
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Check if a value exists.
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"""
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return self.config.has_option(section, key)
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def get_value(self, section, key, default=None):
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"""
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Get a single value from the registry.
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"""
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try:
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if self.config.get(section, key):
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return self.config.get(section, key)
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else:
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return default
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except:
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return default
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def set_value(self, section, key, value):
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"""
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Set a single value in the registry.
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"""
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try :
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self.config.set(section, key, unicode(value))
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return self._save()
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except:
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return False
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def delete_value(self, section, key):
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"""
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Delete a single value from the registry.
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"""
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try:
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self.config.remove_option(section, key)
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return self._save()
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except:
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return False
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def has_section(self, section):
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"""
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Check if a section exists.
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"""
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return self.config.has_section(section)
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def create_section(self, section):
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"""
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Create a new section in the registry.
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"""
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try:
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self.config.add_section(section)
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return self._save()
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except:
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return False
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def delete_section(self, section):
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"""
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Delete a section (including all values).
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"""
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try:
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self.config.remove_section(section)
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return self._save()
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except:
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return False
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def _load(self):
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if not os.path.isfile(self.file_name):
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return False
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file_handle = None
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try:
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file_handle = open(self.file_name, u'r')
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self.config.readfp(file_handle)
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return True
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except:
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return False
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finally:
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if file_handle:
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file_handle.close()
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def _save(self):
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file_handle = None
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try:
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if not os.path.exists(os.path.dirname(self.file_name)):
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os.makedirs(os.path.dirname(self.file_name))
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file_handle = open(self.file_name, u'w')
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self.config.write(file_handle)
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return self._load()
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except:
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return False
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finally:
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if file_handle:
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file_handle.close()
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