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#!/usr/bin/env python
# RSS feed mirror on Misskey
# Copyright (C) 2021 Nguyễn Gia Phong
#
# 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 <https://www.gnu.org/licenses/>.
from configparser import ConfigParser
from contextlib import AsyncExitStack
from functools import partial
from re import split, sub
from dateutil.parser import parse as parse_time
from feedparser import parse as parse_feed
from httpx import AsyncClient
from loca import Loca
from markdownify import markdownify as md
from trio import open_nursery, run
async def create(client, **note):
"""Create the given note and return its ID."""
response = await client.post('notes/create', json=note)
return response.json()['createdNote']['id']
async def post(job, client, link, title, summary):
"""Post the given entry to Misskey.
In case the link was already posted, the entry shall be skipped.
"""
search = await client.post('notes/search', json={'query': link,
'userId': job['user']})
if search.json(): return
note = partial(create, client, i=job['token'], visibility='home', cw=title)
original = f'Original: {link}'
rest = '\n\n'.join((*map(partial(sub, r'\s+', ' '),
split(r'\s*\n{2,}\s*', md(summary).strip())),
original))
limit = int(job['limit'])
parent = None
while len(rest) > limit:
index = rest.rfind('\n\n', 0, limit+2) # split paragraphs
if index < 0:
index = rest.rfind('. ', 0, limit+1) # split sentences
if index < 0:
parent = await note(text=original, replyId=parent)
return
first, rest = rest[:index+1], rest[index+2:]
else:
first, rest = rest[:index], rest[index+2:]
parent = await note(text=first, replyId=parent)
parent = await note(text=rest, replyId=parent)
async def mirror(nursery, job, client):
"""Perform the given mirror job."""
feed = await client.get(job['source'])
for entry in parse_feed(feed.text)['entries']:
nursery.start_soon(post, job, client, entry['link'],
entry['title'], entry['summary'])
async def main():
"""Parse and run jobs."""
config = ConfigParser()
config.read(Loca().user.config()/'rsskey'/'jobs.conf')
async with AsyncExitStack() as stack, open_nursery() as nursery:
for section in config:
if section == 'DEFAULT': continue
job = config[section]
client = AsyncClient(base_url=job['dest'])
await stack.enter_async_context(client)
nursery.start_soon(mirror, nursery, job, client)
if __name__ == '__main__': run(main)
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