def get_duplicates(self, feed_id):
"""
Compare a list of documents by pair.
Pairs of duplicates are sorted by "retrieved date".
"""
feed = self.get(id=feed_id)
duplicates = []
for pair in itertools.combinations(feed.articles[:1000], 2):
date1, date2 = pair[0].date, pair[1].date
if clear_string(pair[0].title) == clear_string(
pair[1].title) and (date1 - date2) < timedelta(days=1):
if pair[0].retrieved_date < pair[1].retrieved_date:
duplicates.append((pair[0], pair[1]))
else:
duplicates.append((pair[1], pair[0]))
return feed, duplicates
def article_pub(article_id=None):
"""
Presents an article of a public feed if the profile of the owner is also
public.
"""
article = ArticleController().get(id=article_id)
if article.source.private or not article.source.user.is_public_profile:
return render_template("errors/404.html"), 404
return render_template("article_pub.html",
head_titles=[clear_string(article.title)],
article=article)
def article(article_id=None):
"""
Presents an article.
"""
art_contr = ArticleController(current_user.id)
article = art_contr.get(id=article_id)
if not article.readed:
art_contr.update({"id": article.id}, {"readed": True})
return render_template("article.html",
head_titles=[clear_string(article.title)],
article=article)
def top_words(articles, n=10, size=5):
"""
Return the n most frequent words in a list.
"""
stop_words = load_stop_words()
words = Counter()
wordre = re.compile(r"\b\w{%s,}\b" % size, re.I)
for article in articles:
for word in [
elem.lower()
for elem in wordre.findall(clear_string(article.content))
if elem.lower() not in stop_words
]:
words[word] += 1
return words.most_common(n)
def feed_view(feed_id=None, user_id=None):
feed = FeedController(user_id).get(id=feed_id)
category = None
if feed.category_id:
category = CategoryController(user_id).get(id=feed.category_id)
filters = {}
filters["feed_id"] = feed_id
articles = ArticleController(user_id).read_light(**filters)
# Server-side pagination
page, per_page, offset = get_page_args(per_page_parameter="per_page")
pagination = Pagination(
page=page,
total=articles.count(),
css_framework="bootstrap4",
search=False,
record_name="articles",
per_page=per_page,
)
today = datetime.now()
try:
last_article = articles[0].date
first_article = articles[-1].date
delta = last_article - first_article
average = round(float(articles.count()) / abs(delta.days), 2)
except Exception:
last_article = datetime.fromtimestamp(0)
first_article = datetime.fromtimestamp(0)
delta = last_article - first_article
average = 0
elapsed = today - last_article
return render_template(
"feed.html",
head_titles=[utils.clear_string(feed.title)],
feed=feed,
category=category,
articles=articles.offset(offset).limit(per_page),
pagination=pagination,
first_post_date=first_article,
end_post_date=last_article,
average=average,
delta=delta,
elapsed=elapsed,
)