Backup config before writing to it

Fixes #234
This commit is contained in:
planet36 2020-10-08 17:11:32 -04:00
parent 296e1257a2
commit ebae1e1440

View File

@ -71,6 +71,7 @@ KeyError: 'ConfigBase::get_item: unknown key algo'
"""
import os
import shutil
from copy import copy
from configobj import ConfigObj, flatten_errors
from validate import Validator
@ -687,7 +688,7 @@ class ConfigBase(Borg):
"""Force a reload of the base config"""
self.loaded = False
self.load()
def save(self):
"""Save the config to a file"""
dbg('ConfigBase::save: saving config')
@ -719,12 +720,14 @@ class ConfigBase(Borg):
if not os.path.isdir(config_dir):
os.makedirs(config_dir)
try:
temp_file = self.command_line_options.config + '.tmp'
backup_file = self.command_line_options.config + '~'
with open(temp_file, 'wb') as fh:
shutil.copy2(self.command_line_options.config, backup_file)
with open(self.command_line_options.config, 'wb') as fh:
parser.write(fh)
os.rename(temp_file, self.command_line_options.config)
os.remove(backup_file)
except Exception as ex:
err('ConfigBase::save: Unable to save config: %s' % ex)