hackspace/mhackspace/feeds/helper.py

88 lines
2.4 KiB
Python

# -*- coding: utf-8 -*-
import os
import logging
import feedparser
from urllib.request import urlretrieve
from django.core.files import File
from django.utils.timezone import make_aware
from stdimage.utils import render_variations
# from scaffold.readers.rss_reader import feed_reader
from mhackspace.feeds.models import Feed, Article, image_variations
logger = logging.getLogger(__name__)
def feed_reader(feeds):
for feed in feeds:
print(feed)
yield feedparser.parse(feed['url'])
def import_feeds(feed=False):
remove_old_articles()
rss_articles = feed_reader(get_active_feeds(feed))
articles = []
for article in rss_articles:
print(article)
articles.append(
Article(
url=article["url"].decode(),
feed=Feed.objects.get(pk=article["id"]),
title=article["title"].decode(),
original_image=article["image"],
description=article["description"].decode(),
date=make_aware(article["date"]),
)
)
articles = Article.objects.bulk_create(articles)
download_remote_images()
return articles
def remove_old_articles():
for article in Article.objects.all():
article.image.delete(save=False)
Article.objects.all().delete()
def download_remote_images():
for article in Article.objects.all():
if not article.original_image:
continue
try:
result = urlretrieve(article.original_image.__str__())
article.image.save(
os.path.basename(article.original_image.__str__()),
File(open(result[0], "rb")),
)
render_variations(result[0], image_variations, replace=True)
article.save()
except Exception as e:
logger.exception(result)
logger.exception(result[0])
logger.exception(
"Unable to download remote image for %s"
% article.original_image
)
def get_active_feeds(feed=False):
if feed is not False:
feeds = Feed.objects.filter(pk__in=feed)
else:
feeds = Feed.objects.all()
rss_feeds = []
for feed in feeds:
if feed.enabled is False:
continue
rss_feeds.append(
{"id": feed.id, "author": feed.author, "url": feed.feed_url}
)
return rss_feeds