mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-25 16:28:11 +00:00
116 lines
3.7 KiB
Python
116 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2014 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Reads the configuration file and store the settings for the server & modules.
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"""
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import sys
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import os
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import configparser
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import logging
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log = logging.getLogger(__name__)
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class Config(object):
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"""
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Configuration file management using configparser.
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"""
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def __init__(self):
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appname = "GNS3"
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if sys.platform.startswith("win"):
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# On windows, the configuration file location can be one of the following:
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# 1: %APPDATA%/GNS3/server.ini
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# 2: %APPDATA%/GNS3.ini
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# 3: %COMMON_APPDATA%/GNS3/server.ini
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# 4: %COMMON_APPDATA%/GNS3.ini
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# 5: server.ini in the current working directory
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appdata = os.path.expandvars("%APPDATA%")
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common_appdata = os.path.expandvars("%COMMON_APPDATA%")
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filename = "server.ini"
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self._files = [os.path.join(appdata, appname, filename),
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os.path.join(appdata, appname + ".ini"),
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os.path.join(common_appdata, appname, filename),
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os.path.join(common_appdata, appname + ".ini"),
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filename]
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else:
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# On UNIX-like platforms, the configuration file location can be one of the following:
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# 1: $HOME/.config/GNS3/server.conf
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# 2: $HOME/.config/GNS3.conf
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# 3: /etc/xdg/GNS3/server.conf
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# 4: /etc/xdg/GNS3.conf
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# 5: server.conf in the current working directory
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home = os.path.expanduser("~")
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filename = "server.conf"
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self._files = [os.path.join(home, ".config", appname, filename),
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os.path.join(home, ".config", appname + ".conf"),
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os.path.join("/etc/xdg", appname, filename),
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os.path.join("/etc/xdg", appname + ".conf"),
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filename]
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self._config = configparser.ConfigParser()
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self.read_config()
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def read_config(self):
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"""
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Read the configuration files.
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"""
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parsed_files = self._config.read(self._files)
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if not parsed_files:
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log.warning("no configuration file could be found or read")
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def get_default_section(self):
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"""
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Get the default configuration section.
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:returns: configparser section
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"""
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return self._config["DEFAULT"]
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def get_section_config(self, section):
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"""
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Get a specific configuration section.
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Returns the default section if none can be found.
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:returns: configparser section
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"""
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if not section in self._config:
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return self._config["DEFAULT"]
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return self._config[section]
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@staticmethod
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def instance():
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"""
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Singleton to return only on instance of Config.
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:returns: instance of Config
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"""
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if not hasattr(Config, "_instance"):
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Config._instance = Config()
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return Config._instance
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