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#! /usr/bin/env python
# Newspipe - A web news aggregator.
# Copyright (C) 2010-2023 Cédric Bonhomme - https://www.cedricbonhomme.org
#
# For more information: https://sr.ht/~cedric/newspipe
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 0.2 $"
__date__ = "$Date: 2016/11/17 $"
__revision__ = "$Date: 2017/05/14 $"
__copyright__ = "Copyright (c) Cedric Bonhomme"
__license__ = "AGPLv3"
#
# This file contains the import/export functions of Newspipe.
#
import datetime
import json
import logging
import opml
from flask import jsonify
from newspipe.bootstrap import db
from newspipe.controllers import BookmarkController, BookmarkTagController
from newspipe.models import Article, Feed, User
from newspipe.models.tag import BookmarkTag
logger = logging.getLogger(__name__)
def import_opml(nickname, opml_content):
"""
Import new feeds from an OPML file.
"""
user = User.query.filter(User.nickname == nickname).first()
try:
subscriptions = opml.from_string(opml_content)
except Exception:
logger.exception("Parsing OPML file failed:")
raise
def read(subsubscription, nb=0):
"""
Parse recursively through the categories and sub-categories.
"""
for subscription in subsubscription:
if len(subscription) != 0:
nb = read(subscription, nb)
else:
try:
title = subscription.text
except Exception:
title = ""
try:
description = subscription.description
except Exception:
description = ""
try:
link = subscription.xmlUrl
except Exception:
continue
if (
Feed.query.filter(
Feed.user_id == user.id, Feed.link == link
).first()
is not None
):
continue
try:
site_link = subscription.htmlUrl
except Exception:
site_link = ""
new_feed = Feed(
title=title,
description=description,
link=link,
site_link=site_link,
enabled=True,
)
user.feeds.append(new_feed)
nb += 1
return nb
nb = read(subscriptions)
db.session.commit()
return nb
def import_json(nickname, json_content):
"""
Import an account from a JSON file.
"""
user = User.query.filter(User.nickname == nickname).first()
json_account = json.loads(json_content.decode("utf-8"))
nb_feeds, nb_articles = 0, 0
# Create feeds:
for feed in json_account:
if "link" not in feed.keys() or feed["link"] is None:
continue
if (
Feed.query.filter(
Feed.user_id == user.id, Feed.link == feed["link"]
).first()
is not None
):
continue
new_feed = Feed(
title=feed["title"],
description="",
link=feed["link"],
site_link=feed["site_link"],
created_date=datetime.datetime.fromtimestamp(int(feed["created_date"])),
enabled=feed["enabled"],
)
user.feeds.append(new_feed)
nb_feeds += 1
db.session.commit()
# Create articles:
for feed in json_account:
if "link" not in feed.keys() or feed["link"] is None:
continue
user_feed = Feed.query.filter(
Feed.user_id == user.id, Feed.link == feed["link"]
).first()
if user_feed is not None:
for article in feed["articles"]:
if (
Article.query.filter(
Article.user_id == user.id,
Article.feed_id == user_feed.id,
Article.link == article["link"],
).first()
is not None
):
new_article = Article(
entry_id=article["link"],
link=article["link"],
title=article["title"],
content=article["content"],
readed=article["readed"],
like=article["like"],
retrieved_date=datetime.datetime.fromtimestamp(
int(article["retrieved_date"])
),
date=datetime.datetime.fromtimestamp(int(article["date"])),
user_id=user.id,
feed_id=user_feed.id,
)
user_feed.articles.append(new_article)
nb_articles += 1
db.session.commit()
return nb_feeds, nb_articles
def export_json(user):
"""
Export all articles of user in JSON.
"""
articles = []
for feed in user.feeds:
articles.append(
{
"title": feed.title,
"description": feed.description,
"link": feed.link,
"site_link": feed.site_link,
"enabled": feed.enabled,
"created_date": feed.created_date.strftime("%s"),
"articles": [
{
"title": article.title,
"link": article.link,
"content": article.content,
"readed": article.readed,
"like": article.like,
"date": article.date.strftime("%s"),
"retrieved_date": article.retrieved_date.strftime("%s"),
}
for article in feed.articles
],
}
)
return jsonify(articles)
def import_pinboard_json(user, json_content):
"""Import bookmarks from a pinboard JSON export."""
bookmark_contr = BookmarkController(user.id)
BookmarkTagController(user.id)
bookmarks = json.loads(json_content.decode("utf-8"))
nb_bookmarks = 0
for bookmark in bookmarks:
tags = []
for tag in bookmark["tags"].split(" "):
new_tag = BookmarkTag(text=tag.strip(), user_id=user.id)
tags.append(new_tag)
try:
# Pinboard format
description = bookmark["extended"]
time = datetime.datetime.strptime(bookmark["time"], "%Y-%m-%dT%H:%M:%SZ")
except Exception:
description = bookmark["description"]
time = datetime.datetime.strptime(bookmark["time"], "%Y-%m-%dT%H:%M:%S")
bookmark_attr = {
"href": bookmark["href"],
"description": description,
"title": bookmark["title"],
"shared": [bookmark["shared"] == "yes" and True or False][0],
"to_read": [bookmark["toread"] == "yes" and True or False][0],
"time": time,
"tags": tags,
}
bookmark_contr.create(**bookmark_attr)
nb_bookmarks += 1
return nb_bookmarks
def export_bookmarks(user):
"""Export all bookmarks of a user (compatible with Pinboard)."""
bookmark_contr = BookmarkController(user.id)
bookmarks = bookmark_contr.read()
export = []
for bookmark in bookmarks:
export.append(
{
"href": bookmark.href,
"description": bookmark.description,
"title": bookmark.title,
"shared": "yes" if bookmark.shared else "no",
"toread": "yes" if bookmark.to_read else "no",
"time": bookmark.time.isoformat(),
"tags": " ".join(bookmark.tags_proxy),
}
)
return jsonify(export)
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