socializer/src/sessionmanager/config_utils.py

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2016-02-13 17:06:36 -06:00
# -*- coding: utf-8 -*-
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from collections import UserDict
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from configobj import ConfigObj, ParseError
from validate import Validator, VdtValueError
import os
class ConfigurationResetException(Exception):
pass
class Configuration (UserDict):
def __init__ (self, file=None, spec=None, *args, **kwargs):
self.file = file
self.spec = spec
self.validator = Validator()
self.setup_config(file=file, spec=spec)
self.validated = self.config.validate(self.validator, copy=True)
if self.validated:
self.write()
UserDict.__init__(self, self.config)
def setup_config (self, file, spec):
spec = ConfigObj(spec, list_values=False, encoding="utf-8")
try:
self.config = ConfigObj(infile=file, configspec=spec, create_empty=True, stringify=True, encoding="utf-8")
except ParseError:
os.remove(file)
self.config = ConfigObj(infile=file, configspec=spec, create_empty=True, stringify=True)
raise ConfigurationResetException
def __getitem__ (self, *args, **kwargs):
return dict(self.config).__getitem__(*args, **kwargs)
def __setitem__ (self, *args, **kwargs):
self.config.__setitem__(*args, **kwargs)
UserDict.__setitem__(self, *args, **kwargs)
def write (self):
if hasattr(self.config, 'write'):
self.config.write()
class SessionConfiguration (Configuration):
def setup_config (self, file, spec):
#No infile required.
spec = ConfigObj(spec, list_values=False)
self.config = ConfigObj(configspec=spec, stringify=True)