def update(self, record, library=None):
"""
Changes the last_updated of a legfiles feed to most recent intro date.
Iterate through each item (page) in the feed (book) and check when it
was last updated. Be careful and don't use this as a matter of normal
course; it may be slow.
"""
if library is None:
library = FeedLibrary()
feed = library.get_feed(record)
all_content = feed.get_content()
latest = None
if all_content:
latest = feed.get_last_updated_time()
if latest is None:
latest = datetime.min
record.last_updated = latest
record.save()
def __init__(self, url):
self.url = url
def get_content(self):
import feedparser
self.rss = feedparser.parse(self.url)
return self.rss.entries
def get_last_updated_time(self):
from dateutil.parser import parse
updated_time = parse(self.rss['updated'])
return updated_time
def get_updated_since(self, previous):
from dateutil.parser import parse
entries = self.get_content()
return [entry for entry in entries if parse(entry.published) > previous]
def get_changes_to(self, entry, since):
"""
Returns a dictionary representing the changes to the item. The nature
of this dictionary may vary depending on the item type.
"""
from dateutil.parser import parse
return entry, parse(entry.published)
from subscriptions.feeds.library import FeedLibrary
library = FeedLibrary()
library.register(RSSFeedReader, 'rss')
