239 lines
12 KiB
Python
239 lines
12 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright © 2015-2017 Carl Chenet <carl.chenet@ohmytux.com>
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/
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# Get values of the configuration file
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'''Get values of the configuration file'''
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# standard library imports
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from configparser import SafeConfigParser
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import logging
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import os
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import os.path
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import sys
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import re
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# 3rd party library imports
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import feedparser
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# feed2toot library imports
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from feed2toot.confparsers.hashtaglist import parsehashtaglist
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from feed2toot.confparsers.plugins import parseplugins
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class ConfParse:
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'''ConfParse class'''
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def __init__(self, clioptions):
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'''Constructor of the ConfParse class'''
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self.clioptions = clioptions
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self.tweetformat = ''
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self.stringsep = ','
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self.confs = []
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self.main()
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def main(self):
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'''Main of the ConfParse class'''
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for pathtoconfig in self.clioptions.configs:
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options = {}
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# read the configuration file
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config = SafeConfigParser()
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if not config.read(os.path.expanduser(pathtoconfig)):
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sys.exit('Could not read config file')
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# The feedparser section
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if config.has_option('feedparser', 'accept_bozo_exceptions'):
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self.accept_bozo_exceptions = config.getboolean('feedparser', 'accept_bozo_exceptions')
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else:
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self.accept_bozo_exceptions = False
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###########################
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#
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# the rss section
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#
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###########################
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section = 'rss'
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if config.has_section(section):
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############################
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# tweet option
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############################
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oldconfoption = 'tweet'
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confoption = 'toot'
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# manage 'tweet' for compatibility reason with first versions
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if config.has_option(section, oldconfoption):
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logging.warn("Your configuration file uses a 'tweet' parameter instead of 'toot'. 'tweet' is deprecated and will be removed in Feed2toot 0.7")
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self.tweetformat = config.get(section, oldconfoption)
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elif config.has_option(section, confoption):
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self.tweetformat = config.get(section, confoption)
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else:
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sys.exit('You should define a format for your tweet with the parameter "{confoption}" in the [{section}] section'.format(confoption=confoption, section=section))
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#######################
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# pattern format option
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#######################
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options['patterns'] = {}
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options['patternscasesensitive'] = {}
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for pattern in ['summary_detail', 'published_parsed', 'guidislink', 'authors', 'links', 'title_detail', 'author', 'author_detail', 'comments', 'published', 'summary', 'tags', 'title', 'link', 'id']:
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currentoption = '{}_pattern'.format(pattern)
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if config.has_option(section, currentoption):
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tmppattern = config.get(section, currentoption)
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if self.stringsep in tmppattern:
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options['patterns'][currentoption] = [i for i in tmppattern.split(self.stringsep) if i]
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else:
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options['patterns'][currentoption] = [tmppattern]
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###############################
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# pattern_case_sensitive option
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###############################
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currentoption = '{}_pattern_case_sensitive'.format(pattern)
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if config.has_option(section, currentoption):
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try:
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options['patternscasesensitive'][currentoption] = config.getboolean(section, currentoption)
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except ValueError as err:
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logging.warn(err)
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options['patternscasesensitive'][currentoption] = True
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bozoexception = False
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feeds = []
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patterns = []
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################
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# uri_list option
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################
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currentoption = 'uri_list'
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if config.has_option(section, currentoption):
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rssfile = config.get(section, currentoption)
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rssfile = os.path.expanduser(rssfile)
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if not os.path.exists(rssfile) or not os.path.isfile(rssfile):
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sys.exit('The path to the uri_list parameter is not valid: {rssfile}'.format(rssfile=rssfile))
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rsslist = open(rssfile, 'r').readlines()
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for line in rsslist:
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line = line.strip()
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# split each line in two parts, rss link and a string with the different patterns to look for
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feedname = ''
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if '<' in line:
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matches = re.match('(.*) <(.*)>', line)
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if not matches:
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sys.exit('This line in the list of uri to parse is not formatted correctly: {line}'.format(line))
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feedname, line = matches.groups()
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confobjects = line.split('|')
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if len(confobjects) > 3 or len(confobjects) == 2:
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sys.exit('This line in the list of uri to parse is not formatted correctly: {line}'.format(line))
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if len(confobjects) == 3:
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rss, rssobject, patternstring = line.split('|')
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if len(confobjects) == 1:
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rss = confobjects[0]
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rssobject = ''
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patternstring = ''
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# split different searched patterns
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patterns = [i for i in patternstring.split(self.stringsep) if i]
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# retrieve the content of the rss
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feed = feedparser.parse(rss)
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if 'bozo_exception' in feed:
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bozoexception = True
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logging.warning(feed['bozo_exception'])
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if not self.accept_bozo_exceptions:
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continue
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# check if the rss feed and the rss entry are valid ones
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if 'entries' in feed:
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if rssobject and rssobject not in feed['entries'][0].keys():
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sys.exit('The rss object {rssobject} could not be found in the feed {rss}'.format(rssobject=rssobject, rss=rss))
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else:
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sys.exit('The rss feed {rss} does not seem to be valid'.format(rss=rss))
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feeds.append({'feed': feed, 'patterns': patterns, 'rssobject': rssobject, 'feedname': feedname})
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# test if all feeds in the list were unsuccessfully retrieved and if so, leave
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if not feeds and bozoexception:
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sys.exit('No feed could be retrieved. Leaving.')
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############
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# uri option
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############
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if not feeds and not self.clioptions.rss_uri:
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confoption = 'uri'
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if config.has_option(section, confoption):
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urifeed = config.get('rss', 'uri')
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feedname = None
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if '<' in urifeed:
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matches = re.match('(.*) <(.*)>', urifeed)
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if not matches:
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sys.exit('This uri to parse is not formatted correctly: {urifeed}'.format(urifeed))
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feedname, finaluri = matches.groups()
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options['rss_uri'] = finaluri
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else:
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options['rss_uri'] = config.get('rss', 'uri')
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else:
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sys.exit('{confoption} parameter in the [{section}] section of the configuration file is mandatory. Exiting.'.format(section=section, confoption=confoption))
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else:
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options['rss_uri'] = self.clioptions.rss_uri
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# get the rss feed for rss parameter of [rss] section
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feed = feedparser.parse(options['rss_uri'])
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if not feed:
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sys.exit('Unable to parse the feed at the following url: {rss}'.format(rss=rss))
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#########################################
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# no_uri_pattern_no_global_pattern option
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#########################################
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currentoption = 'no_uri_pattern_no_global_pattern'
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# default value
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options['nopatternurinoglobalpattern'] = False
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if config.has_option(section, currentoption):
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options['nopatternurinoglobalpattern'] = config.getboolean(section, currentoption)
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###########################
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#
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# the cache section
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#
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###########################
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section = 'cache'
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if not self.clioptions.cachefile:
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##################
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# cachefile option
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##################
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confoption = 'cachefile'
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if config.has_section(section):
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options['cachefile'] = config.get(section, confoption)
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else:
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sys.exit('You should provide a {confoption} parameter in the [{section}] section'.format(section=section, confoption=confoption))
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options['cachefile'] = os.path.expanduser(options['cachefile'])
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cachefileparent = os.path.dirname(options['cachefile'])
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if cachefileparent and not os.path.exists(cachefileparent):
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sys.exit('The parent directory of the cache file does not exist: {cachefileparent}'.format(cachefileparent=cachefileparent))
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else:
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options['cachefile'] = self.clioptions.cachefile
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# cache limit
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if config.has_section(section):
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confoption = 'cache_limit'
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if config.has_option(section, confoption):
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try:
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options['cache_limit'] = int(config.get(section, confoption))
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except ValueError as err:
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sys.exit('Error in configuration with the {confoption} parameter in [{section}]: {err}'.format(confoption=confoption, section=section, err=err))
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else:
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options['cache_limit'] = 100
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else:
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options['cache_limit'] = 100
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###########################
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# the hashtag section
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###########################
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options['hashtaglist'] = parsehashtaglist(self.clioptions.hashtaglist, config)
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###########################
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# the plugins section
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###########################
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plugins = parseplugins(config)
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########################################
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#
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# return the final configurations values
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#
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########################################
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if feeds:
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self.confs.append((options, config, self.tweetformat, feeds, plugins))
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else:
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self.confs.append((options, config, self.tweetformat, [{'feed': feed, 'patterns': [], 'rssobject': '', 'feedname': feedname}], plugins))
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@property
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def confvalues(self):
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'''Return the values of the different configuration files'''
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return self.confs
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