feedrss-toot/feed2toot/confparsers/cache.py

56 lines
2.2 KiB
Python

# -*- coding: utf-8 -*-
# Copyright © 2015-2019 Carl Chenet <carl.chenet@ohmytux.com>
# 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
# 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 <http://www.gnu.org/licenses/
# Get values of the cache section
'''Get values of the cache section'''
# standard library imports
import os.path
import sys
def parsecache(clioption, config):
'''Parse configuration values and get values of the hashtaglist section'''
cachefile = ''
cachelimit = 100
section = 'cache'
if not clioption:
##################
# cachefile option
##################
confoption = 'cachefile'
if config.has_section(section):
cachefile = config.get(section, confoption)
else:
sys.exit('You should provide a {confoption} parameter in the [{section}] section'.format(section=section, confoption=confoption))
cachefile = os.path.expanduser(cachefile)
cachefileparent = os.path.dirname(cachefile)
if cachefileparent and not os.path.exists(cachefileparent):
sys.exit('The parent directory of the cache file does not exist: {cachefileparent}'.format(cachefileparent=cachefileparent))
else:
cachefile = clioption
####################
# cache_limit option
####################
if config.has_section(section):
confoption = 'cache_limit'
if config.has_option(section, confoption):
try:
cachelimit = int(config.get(section, confoption))
except ValueError as err:
sys.exit('Error in configuration with the {confoption} parameter in [{section}]: {err}'.format(confoption=confoption, section=section, err=err))
else:
cachelimit = 100
return cachefile, cachelimit