varia.website/plugins/feed_summary/feed_summary.py

58 lines
2.0 KiB
Python

# -*- coding: utf-8 -*-
"""
Feed Summary
============
This plugin allows summaries to be used in feeds instead of the full length article.
"""
from __future__ import unicode_literals
from jinja2 import Markup
import six
if not six.PY3:
from urlparse import urlparse
else:
from urllib.parse import urlparse
from pelican import signals
from pelican.writers import Writer
from pelican.utils import set_date_tzinfo
from .magic_set import magic_set
class FeedSummaryWriter(Writer):
def _add_item_to_the_feed(self, feed, item):
if self.settings['FEED_USE_SUMMARY']:
title = Markup(item.title).striptags()
link = '%s/%s' % (self.site_url, item.url)
feed.add_item(
title=title,
link=link,
unique_id='tag:%s,%s:%s' % (urlparse(link).netloc,
item.date.date(),
urlparse(link).path.lstrip('/')),
description=item.summary if hasattr(item, 'summary') else item.get_content(self.site_url),
categories=item.tags if hasattr(item, 'tags') else None,
author_name=getattr(item, 'author', ''),
pubdate=set_date_tzinfo(item.modified if hasattr(item, 'modified') else item.date,
self.settings.get('TIMEZONE', None)))
else:
super(FeedSummaryWriter, self)._add_item_to_the_feed(feed, item)
def set_feed_use_summary_default(pelican_object):
# modifying DEFAULT_CONFIG doesn't have any effect at this point in pelican setup
# everybody who uses DEFAULT_CONFIG is already used/copied it or uses the pelican_object.settings copy.
pelican_object.settings.setdefault('FEED_USE_SUMMARY', False)
def patch_pelican_writer(pelican_object):
@magic_set(pelican_object)
def get_writer(self):
return FeedSummaryWriter(self.output_path,settings=self.settings)
def register():
signals.initialized.connect(set_feed_use_summary_default)
signals.initialized.connect(patch_pelican_writer)