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add conf parsing for urilist option of rss section

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Carl Chenet 2017-08-01 23:12:33 +02:00
parent fe0c47cdf2
commit eaefc2c639
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feed2toot/confparsers/rss/urilist.py Normal file
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# -*- coding: utf-8 -*-
# Copyright © 2015-2017 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 value of the uri_list option of rss section
'''Get value of the uri_list option of the rss section'''
# standard library imports
import feedparser
import logging
import os.path
import sys
import re
def parseurilist(config, accept_bozo_exception):
'''Parse configuration value of the uri_list option of the rss section'''
bozoexception = False
feeds = []
patterns = []
section = 'rss'
stringsep = ','
if config.has_section(section):
#################
# uri_list option
#################
currentoption = 'uri_list'
if config.has_option(section, currentoption):
rssfile = config.get(section, currentoption)
rssfile = os.path.expanduser(rssfile)
if not os.path.exists(rssfile) or not os.path.isfile(rssfile):
sys.exit('The path to the uri_list parameter is not valid: {rssfile}'.format(rssfile=rssfile))
with open(rssfile, 'r') as rsfo:
rsslist = rsfo.readlines()
for line in rsslist:
line = line.strip()
# split each line in two parts, rss link and a string with the different patterns to look for
feedname = ''
if '<' in line:
matches = re.match('(.*) <(.*)>', line)
if not matches:
sys.exit('This line in the list of uri to parse is not formatted correctly: {line}'.format(line))
feedname, line = matches.groups()
confobjects = line.split('|')
if len(confobjects) > 3 or len(confobjects) == 2:
sys.exit('This line in the list of uri to parse is not formatted correctly: {line}'.format(line))
if len(confobjects) == 3:
rss, rssobject, patternstring = line.split('|')
if len(confobjects) == 1:
rss = confobjects[0]
rssobject = ''
patternstring = ''
# split different searched patterns
patterns = [i for i in patternstring.split(stringsep) if i]
# retrieve the content of the rss
feed = feedparser.parse(rss)
if 'bozo_exception' in feed:
bozoexception = True
logging.warning(feed['bozo_exception'])
if not accept_bozo_exceptions:
continue
# check if the rss feed and the rss entry are valid ones
if 'entries' in feed:
if rssobject and rssobject not in feed['entries'][0].keys():
sys.exit('The rss object {rssobject} could not be found in the feed {rss}'.format(rssobject=rssobject, rss=rss))
else:
sys.exit('The rss feed {rss} does not seem to be valid'.format(rss=rss))
feeds.append({'feed': feed, 'patterns': patterns, 'rssobject': rssobject, 'feedname': feedname})
# test if all feeds in the list were unsuccessfully retrieved and if so, leave
if not feeds and bozoexception:
sys.exit('No feed could be retrieved. Leaving.')
return feeds