Onionr/onionr/config.py

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'''
Onionr - P2P Microblogging Platform & Social network
This file deals with configuration management.
'''
'''
This program 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, either version 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
'''
import os, json, logger
_configfile = os.path.abspath('data/config.json')
_config = {}
def get(key, default = None):
'''
Gets the key from configuration, or returns `default`
'''
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if is_set(key):
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return get_config()[key]
return default
def set(key, value = None, savefile = False):
'''
Sets the key in configuration to `value`
'''
global _config
_config[key] = value
if savefile:
save()
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def is_set(key):
return key in get_config() and not get_config()[key] is None
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def check():
'''
Checks if the configuration file exists, creates it if not
'''
try:
if not os.path.exists(os.path.dirname(get_config_file())):
os.path.mkdirs(os.path.dirname(get_config_file()))
if not os.path.isfile(get_config_file()):
open(get_config_file(), 'a', encoding="utf8").close()
save()
except:
logger.warn('Failed to check configuration file.')
def save():
'''
Saves the configuration data to the configuration file
'''
check()
try:
with open(get_config_file(), 'w', encoding="utf8") as configfile:
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json.dump(get_config(), configfile, indent=2, sort_keys=True)
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except:
logger.warn('Failed to write to configuration file.')
def reload():
'''
Reloads the configuration data in memory from the file
'''
check()
try:
with open(get_config_file(), 'r', encoding="utf8") as configfile:
set_config(json.loads(configfile.read()))
except:
logger.warn('Failed to parse configuration file.')
def get_config():
'''
Gets the entire configuration as an array
'''
return _config
def set_config(config):
'''
Sets the configuration to the array in arguments
'''
global _config
_config = config
def get_config_file():
'''
Returns the absolute path to the configuration file
'''
return _configfile
def set_config_file(configfile):
'''
Sets the path to the configuration file
'''
global _configfile
_configfile = os.abs.abspath(configfile)