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PyBitmessage/src/bmconfigparser.py

68 lines
2.4 KiB

import ConfigParser
import datetime
import shutil
import os
from singleton import Singleton
import state
@Singleton
class BMConfigParser(ConfigParser.SafeConfigParser):
def set(self, section, option, value=None):
if self._optcre is self.OPTCRE or value:
if not isinstance(value, basestring):
raise TypeError("option values must be strings")
return ConfigParser.ConfigParser.set(self, section, option, value)
def get(self, section, option, raw=False, vars=None):
if section == "bitmessagesettings" and option == "timeformat":
try:
return ConfigParser.ConfigParser.get(self, section, option, raw, vars)
except ConfigParser.InterpolationError:
return ConfigParser.ConfigParser.get(self, section, option, True, vars)
return ConfigParser.ConfigParser.get(self, section, option, True, vars)
def safeGetBoolean(self, section, field):
if self.has_option(section, field):
try:
return self.getboolean(section, field)
except ValueError:
return False
return False
def safeGetInt(self, section, field, default=0):
if self.has_option(section, field):
try:
return self.getint(section, field)
except ValueError:
return default
return default
def safeGet(self, section, option, default = None):
if self.has_option(section, option):
return self.get(section, option)
else:
return default
def items(self, section, raw=False, vars=None):
return ConfigParser.ConfigParser.items(self, section, True, vars)
def save(self):
fileName = os.path.join(state.appdata, 'keys.dat')
fileNameBak = fileName + "." + datetime.datetime.now().strftime("%Y%j%H%M%S%f") + '.bak'
# create a backup copy to prevent the accidental loss due to the disk write failure
try:
shutil.copyfile(fileName, fileNameBak)
# The backup succeeded.
fileNameExisted = True
except (IOError, Exception):
# The backup failed. This can happen if the file didn't exist before.
fileNameExisted = False
# write the file
with open(fileName, 'wb') as configfile:
self.write(configfile)
# delete the backup
if fileNameExisted:
os.remove(fileNameBak)