forked from sch/Slixfeed
704 lines
27 KiB
Python
704 lines
27 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# TODO
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#
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# 0) sql prepared statements
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# 1) Autodetect feed:
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# if page is not feed (or HTML) and contains <link rel="alternate">
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# 2) OPML import/export
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# 3) 2022-12-30 reduce async to (maybe) prevent inner lock. async on task: commands, downloader, updater
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# vars and their meanings:
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# jid = Jabber ID (XMPP)
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# res = response (HTTP)
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import os
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from argparse import ArgumentParser
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from asyncio.exceptions import IncompleteReadError
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from datetime import date
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from getpass import getpass
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from http.client import IncompleteRead
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from urllib import error
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import asyncio
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import logging
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import sys
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import time
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import aiohttp
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from bs4 import BeautifulSoup
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from xml.etree.ElementTree import ElementTree, ParseError
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from urllib.parse import urlparse
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from lxml import html
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import feedparser
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import slixmpp
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# from eliot import start_action, to_file
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# # to_file(open("slixfeed.log", "w"))
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# # with start_action(action_type="set_date()", jid=jid):
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# # with start_action(action_type="message()", msg=msg):
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import database
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class Slixfeed(slixmpp.ClientXMPP):
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"""
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Slixmpp news bot that will send updates
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from feeds it receives.
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"""
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def __init__(self, jid, password):
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slixmpp.ClientXMPP.__init__(self, jid, password)
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# The session_start event will be triggered when
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# the bot establishes its connection with the server
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# and the XML streams are ready for use. We want to
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# listen for this event so that we we can initialize
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# our roster.
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self.add_event_handler("session_start", self.start)
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self.add_event_handler("session_start", self.send_update)
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self.add_event_handler("session_start", self.send_status)
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self.add_event_handler("session_start", self.check_updates)
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# The message event is triggered whenever a message
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# stanza is received. Be aware that that includes
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# MUC messages and error messages.
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self.add_event_handler("message", self.message)
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self.add_event_handler("disconnected", self.reconnect)
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async def start(self, event):
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"""
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Process the session_start event.
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Typical actions for the session_start event are
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requesting the roster and broadcasting an initial
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presence stanza.
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Arguments:
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event -- An empty dictionary. The session_start
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event does not provide any additional
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data.
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"""
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self.send_presence()
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await self.get_roster()
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async def message(self, msg):
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"""
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Process incoming message stanzas. Be aware that this also
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includes MUC messages and error messages. It is usually
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a good idea to check the messages's type before processing
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or sending replies.
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Arguments:
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msg -- The received message stanza. See the documentation
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for stanza objects and the Message stanza to see
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how it may be used.
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"""
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if msg['type'] in ('chat', 'normal'):
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message = " ".join(msg['body'].split())
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if message.lower().startswith('help'):
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action = print_help()
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# NOTE: Might not need it
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elif message.lower().startswith('recent '):
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action = await initdb(msg['from'].bare, database.last_entries, message[7:])
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elif message.lower().startswith('search '):
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action = await initdb( msg['from'].bare, database.search_entries, message[7:])
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elif message.lower().startswith('list'):
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action = await initdb(msg['from'].bare, database.list_subscriptions)
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elif message.lower().startswith('add '):
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action = await initdb(msg['from'].bare, add_feed, message[4:])
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elif message.lower().startswith('remove '):
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action = await initdb(msg['from'].bare, database.remove_feed, message[7:])
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elif message.lower().startswith('status '):
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action = await initdb(msg['from'].bare, database.toggle_status, message[7:])
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elif message.lower().startswith('unread'):
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action = await initdb(msg['from'].bare, database.statistics)
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elif message.lower().startswith('enable'):
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action = toggle_state(msg['from'].bare, True)
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elif message.lower().startswith('disable'):
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action = toggle_state(msg['from'].bare, False)
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else:
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action = 'Unknown command. Press "help" for list of commands'
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msg.reply(action).send()
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print("COMMAND:", message)
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print("ACCOUNT: " + str(msg['from']))
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async def check_updates(self, event):
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while True:
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print("Checking update")
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db_dir = get_default_dbdir()
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if not os.path.isdir(db_dir):
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msg = ("Slixfeed can not work without a database. \n"
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"To create a database, follow these steps: \n"
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"Add Slixfeed contact to your roster \n"
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"Send a feed to the bot by: \n"
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"feed add https://reclaimthenet.org/feed/")
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print(msg)
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else:
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files = os.listdir(db_dir)
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for file in files:
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jid = file[:-3]
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print("download_updates",jid)
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await initdb(jid, download_updates)
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await asyncio.sleep(90)
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async def send_update(self, event):
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while True:
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db_dir = get_default_dbdir()
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if not os.path.isdir(db_dir):
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msg = ("Slixfeed can not work without a database. \n"
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"To create a database, follow these steps: \n"
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"Add Slixfeed contact to your roster \n"
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"Send a feed to the bot by: \n"
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"feed add https://reclaimthenet.org/feed/")
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print(msg)
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else:
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os.chdir(db_dir)
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files = os.listdir()
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for file in files:
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if not file.endswith('.db-jour.db'):
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jid = file[:-3]
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print("get_entry_unread",jid)
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new = await initdb(
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jid,
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database.get_entry_unread
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)
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if new:
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msg = self.send_message(
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mto=jid,
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mbody=new,
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mtype='chat'
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)
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unread = await initdb(
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jid,
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database.get_number_of_entries_unread
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)
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if unread:
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msg_status = ('📰 News items:', str(unread))
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msg_status = ' '.join(msg_status)
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else:
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msg_status = '🗞 No News'
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print(msg_status, 'for', jid)
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# Send status message
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self.send_presence(
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pstatus=msg_status,
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pto=jid,
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#pfrom=None
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)
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# await asyncio.sleep(15)
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await asyncio.sleep(60 * 3)
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async def send_status(self, event):
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while True:
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db_dir = get_default_dbdir()
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if not os.path.isdir(db_dir):
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msg = ("Slixfeed can not work without a database. \n"
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"To create a database, follow these steps: \n"
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"Add Slixfeed contact to your roster \n"
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"Send a feed to the bot by: \n"
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"feed add https://reclaimthenet.org/feed/")
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print(msg)
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else:
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files = os.listdir(db_dir)
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for file in files:
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jid = file[:-3]
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await asyncio.sleep(60)
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def print_help():
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"""
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Print help manual.
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"""
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msg = ("Slixfeed - News syndication bot for Jabber/XMPP \n"
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"\n"
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"DESCRIPTION: \n"
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" Slixfeed is a news aggregator bot for online news feeds. \n"
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" Supported filetypes: Atom, RDF and RSS. \n"
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"\n"
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"BASIC USAGE: \n"
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" enable \n"
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" Send updates. \n"
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" disable \n"
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" Stop sending updates. \n"
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" batch N \n"
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" Send N updates on ech interval. \n"
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" interval N \n"
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" Send an update each N minutes. \n"
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" feed list \n"
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" List subscriptions. \n"
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"\n"
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"EDIT OPTIONS: \n"
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" add URL \n"
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" Add URL to subscription list. \n"
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" remove ID \n"
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" Remove feed from subscription list. \n"
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" status ID \n"
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" Toggle update status of feed. \n"
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"\n"
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"SEARCH OPTIONS: \n"
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" search TEXT \n"
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" Search news items by given keywords. \n"
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" recent N \n"
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" List recent N news items (up to 50 items). \n"
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"\n"
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"STATISTICS OPTIONS: \n"
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" analyses \n"
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" Show report and statistics of feeds. \n"
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" obsolete \n"
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" List feeds that are not available. \n"
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" unread \n"
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" Print number of unread news items. \n"
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"\n"
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"BACKUP OPTIONS: \n"
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" export opml \n"
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" Send an OPML file with your feeds. \n"
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" backup news html\n"
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" Send an HTML formatted file of your news items. \n"
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" backup news md \n"
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" Send a Markdown file of your news items. \n"
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" backup news text \n"
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" Send a Plain Text file of your news items. \n"
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"\n"
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"DOCUMENTATION: \n"
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" Slixfeed \n"
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" https://gitgud.io/sjehuda/slixfeed \n"
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" Slixmpp \n"
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" https://slixmpp.readthedocs.io/ \n"
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" feedparser \n"
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" https://pythonhosted.org/feedparser")
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return msg
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# Function from jarun/buku
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# Arun Prakash Jana (jarun)
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# Dmitry Marakasov (AMDmi3)
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def get_default_dbdir():
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"""Determine the directory path where dbfile will be stored.
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If $XDG_DATA_HOME is defined, use it
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else if $HOME exists, use it
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else if the platform is Windows, use %APPDATA%
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else use the current directory.
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:return: Path to database file.
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Note
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----
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This code was taken from the buku project.
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"""
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# data_home = xdg.BaseDirectory.xdg_data_home
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data_home = os.environ.get('XDG_DATA_HOME')
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if data_home is None:
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if os.environ.get('HOME') is None:
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if sys.platform == 'win32':
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data_home = os.environ.get('APPDATA')
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if data_home is None:
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return os.path.abspath('.')
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else:
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return os.path.abspath('.')
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else:
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data_home = os.path.join(os.environ.get('HOME'), '.local', 'share')
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return os.path.join(data_home, 'slixfeed')
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# TODO Perhaps this needs to be executed
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# just once per program execution
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async def initdb(jid, callback, message=None):
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"""
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Callback function to instantiate action on database.
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:param jid: JID (Jabber ID).
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:param callback: Function name.
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:param massage: Optional kwarg when a message is a part or required argument.
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"""
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db_dir = get_default_dbdir()
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if not os.path.isdir(db_dir):
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os.mkdir(db_dir)
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db_file = os.path.join(db_dir, r"{}.db".format(jid))
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database.create_tables(db_file)
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if message:
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return await callback(db_file, message)
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else:
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return await callback(db_file)
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# NOTE I don't think there should be "return"
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# because then we might stop scanning next URLs
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async def download_updates(db_file):
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"""
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Chack feeds for new entries.
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:param db_file: Database filename.
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"""
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urls = await database.get_subscriptions(db_file)
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for url in urls:
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# print("for url in urls")
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source = url[0]
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# print("source: ", source)
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res = await download_feed(source)
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# TypeError: 'NoneType' object is not subscriptable
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if res is None:
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# Skip to next feed
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# urls.next()
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# next(urls)
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continue
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await database.update_source_status(db_file, res[1], source)
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if res[0]:
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try:
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feed = feedparser.parse(res[0])
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if feed.bozo:
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bozo = ("WARNING: Bozo detected for feed <{}>. "
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"For more information, visit "
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"https://pythonhosted.org/feedparser/bozo.html"
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.format(source))
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print(bozo)
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valid = 0
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else:
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valid = 1
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await database.update_source_validity(db_file, source, valid)
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except (IncompleteReadError, IncompleteRead, error.URLError) as e:
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print(e)
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# return
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# TODO Place these couple of lines back down
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# NOTE Need to correct the SQL statement to do so
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# NOT SURE WHETHER I MEANT THE LINES ABOVE OR BELOW
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if res[1] == 200:
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# NOT SURE WHETHER I MEANT THE LINES ABOVE OR BELOW
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# TODO Place these couple of lines back down
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# NOTE Need to correct the SQL statement to do so
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entries = feed.entries
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# length = len(entries)
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# await database.remove_entry(db_file, source, length)
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await database.remove_nonexistent_entries(db_file, feed, source)
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new_entry = 0
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for entry in entries:
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if entry.has_key("title"):
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title = entry.title
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else:
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title = feed["feed"]["title"]
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if entry.has_key("link"):
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link = entry.link
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else:
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link = source
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# print('source:', source)
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exist = await database.check_entry_exist(db_file, title, link)
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if not exist:
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new_entry = new_entry + 1
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# TODO Enhance summary
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if entry.has_key("summary"):
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summary = entry.summary
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# Remove HTML tags
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summary = BeautifulSoup(summary, "lxml").text
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# TODO Limit text length
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summary = summary.replace("\n\n", "\n")[:300] + " ⃨"
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else:
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summary = '*** No summary ***'
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entry = (title, summary, link, source, 0);
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await database.add_entry_and_set_date(db_file, source, entry)
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# print("### added", new_entry, "entries")
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async def download_feed(url):
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"""
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Download content of given URL.
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:param url: URL.
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:return: Document or error message.
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"""
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# print("download_feed")
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# time.sleep(1)
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timeout = aiohttp.ClientTimeout(total=10)
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async with aiohttp.ClientSession() as session:
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# async with aiohttp.ClientSession(trust_env=True) as session:
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try:
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async with session.get(url, timeout=timeout) as response:
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status = response.status
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if response.status == 200:
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try:
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doc = await response.text()
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# print (response.content_type)
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return [doc, status]
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except:
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return [False, "The content of this document doesn't appear to be textual"]
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else:
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return [False, "HTTP Error: " + str(status)]
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except aiohttp.ClientError as e:
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print('Error', str(e))
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return [False, "Error: " + str(e)]
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except asyncio.TimeoutError as e:
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print('Timeout', str(e))
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return [False, "Timeout"]
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async def add_feed(db_file, url):
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"""
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Check whether feed exist, otherwise process it.
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:param db_file: Database filename.
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:param url: URL.
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:return: Status message.
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"""
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exist = await database.check_feed_exist(db_file, url)
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if not exist:
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res = await download_feed(url)
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if res[0]:
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feed = feedparser.parse(res[0])
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if feed.bozo:
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bozo = ("WARNING: Bozo detected. Failed to load <{}>.".format(url))
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print(bozo)
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try:
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# tree = etree.fromstring(res[0]) # etree is for xml
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tree = html.fromstring(res[0])
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except:
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return "Failed to parse URL <{}> as feed".format(url)
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print("RSS Auto-Discovery Engaged")
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xpath_query = """//link[(@rel="alternate") and (@type="application/atom+xml" or @type="application/rdf+xml" or @type="application/rss+xml")]"""
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# xpath_query = """//link[(@rel="alternate") and (@type="application/atom+xml" or @type="application/rdf+xml" or @type="application/rss+xml")]/@href"""
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# xpath_query = "//link[@rel='alternate' and @type='application/atom+xml' or @rel='alternate' and @type='application/rss+xml' or @rel='alternate' and @type='application/rdf+xml']/@href"
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feeds = tree.xpath(xpath_query)
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if len(feeds) > 1:
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msg = "RSS Auto-Discovery has found {} feeds:\n\n".format(len(feeds))
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for feed in feeds:
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# # The following code works;
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# # The following code will catch
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# # only valid resources (i.e. not 404);
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# # The following code requires more bandwidth.
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# res = await download_feed(feed)
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# if res[0]:
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# disco = feedparser.parse(res[0])
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# title = disco["feed"]["title"]
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# msg += "{} \n {} \n\n".format(title, feed)
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feed_name = feed.xpath('@title')[0]
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feed_addr = feed.xpath('@href')[0]
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msg += "{}\n{}\n\n".format(feed_name, feed_addr)
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msg += "The above feeds were extracted from\n{}".format(url)
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return msg
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elif feeds:
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url = feeds[0].xpath('@href')[0]
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# Why wouldn't add_feed return a message
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# upon success unless return is explicitly
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# mentioned, yet upon failure it wouldn't?
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return await add_feed(db_file, url)
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# Search for feeds by file extension and path
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paths = [
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"/app.php/feed", # phpbb
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"/atom",
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"/atom.php",
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"/atom.xml",
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"/content-feeds/",
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"/external.php?type=RSS2",
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|
"/feed", # good practice
|
|
"/feed.atom",
|
|
# "/feed.json",
|
|
"/feed.php",
|
|
"/feed.rdf",
|
|
"/feed.rss",
|
|
"/feed.xml",
|
|
"/feed/atom/",
|
|
"/feeds/news_feed",
|
|
"/feeds/rss/news.xml.php",
|
|
"/forum_rss.php",
|
|
"/index.php/feed",
|
|
"/index.php?type=atom;action=.xml", #smf
|
|
"/index.php?type=rss;action=.xml", #smf
|
|
"/index.rss",
|
|
"/latest.rss",
|
|
"/news",
|
|
"/news.xml",
|
|
"/news.xml.php",
|
|
"/news/feed",
|
|
"/posts.rss", # discourse
|
|
"/rdf",
|
|
"/rdf.php",
|
|
"/rdf.xml",
|
|
"/rss",
|
|
# "/rss.json",
|
|
"/rss.php",
|
|
"/rss.xml",
|
|
"/timeline.rss",
|
|
"/xml/feed.rss",
|
|
# "?format=atom",
|
|
# "?format=rdf",
|
|
# "?format=rss",
|
|
# "?format=xml"
|
|
]
|
|
|
|
print("RSS Scan Mode Engaged")
|
|
feeds = {}
|
|
for path in paths:
|
|
# xpath_query = "//*[@*[contains(.,'{}')]]".format(path)
|
|
xpath_query = "//a[contains(@href,'{}')]".format(path)
|
|
addresses = tree.xpath(xpath_query)
|
|
parted_url = urlparse(url)
|
|
for address in addresses:
|
|
address = address.xpath('@href')[0]
|
|
if address.startswith('/'):
|
|
address = parted_url.scheme + '://' + parted_url.netloc + address
|
|
res = await download_feed(address)
|
|
if res[1] == 200:
|
|
try:
|
|
feeds[address] = feedparser.parse(res[0])["feed"]["title"]
|
|
except:
|
|
continue
|
|
if len(feeds) > 1:
|
|
msg = "RSS URL scan has found {} feeds:\n\n".format(len(feeds))
|
|
for feed in feeds:
|
|
# try:
|
|
# res = await download_feed(feed)
|
|
# except:
|
|
# continue
|
|
feed_name = feeds[feed]
|
|
feed_addr = feed
|
|
msg += "{}\n{}\n\n".format(feed_name, feed_addr)
|
|
msg += "The above feeds were extracted from\n{}".format(url)
|
|
return msg
|
|
elif feeds:
|
|
url = list(feeds)[0]
|
|
return await add_feed(db_file, url)
|
|
|
|
# (HTTP) Request(s) Paths
|
|
print("RSS Arbitrary Mode Engaged")
|
|
feeds = {}
|
|
parted_url = urlparse(url)
|
|
for path in paths:
|
|
address = parted_url.scheme + '://' + parted_url.netloc + path
|
|
res = await download_feed(address)
|
|
if res[1] == 200:
|
|
# print(feedparser.parse(res[0])["feed"]["title"])
|
|
# feeds[address] = feedparser.parse(res[0])["feed"]["title"]
|
|
try:
|
|
title = feedparser.parse(res[0])["feed"]["title"]
|
|
except:
|
|
title = '*** No Title ***'
|
|
feeds[address] = title
|
|
|
|
# Check whether URL has path (i.e. not root)
|
|
if parted_url.path.split('/')[1]:
|
|
paths.extend([".atom", ".feed", ".rdf", ".rss"]) if '.rss' not in paths else -1
|
|
# if paths.index('.rss'):
|
|
# paths.extend([".atom", ".feed", ".rdf", ".rss"])
|
|
address = parted_url.scheme + '://' + parted_url.netloc + '/' + parted_url.path.split('/')[1] + path
|
|
res = await download_feed(address)
|
|
if res[1] == 200:
|
|
print('ATTENTION')
|
|
print(address)
|
|
try:
|
|
title = feedparser.parse(res[0])["feed"]["title"]
|
|
except:
|
|
title = '*** No Title ***'
|
|
feeds[address] = title
|
|
if len(feeds) > 1:
|
|
msg = "RSS URL discovery has found {} feeds:\n\n".format(len(feeds))
|
|
for feed in feeds:
|
|
feed_name = feeds[feed]
|
|
feed_addr = feed
|
|
msg += "{}\n{}\n\n".format(feed_name, feed_addr)
|
|
msg += "The above feeds were extracted from\n{}".format(url)
|
|
return msg
|
|
elif feeds:
|
|
url = list(feeds)[0]
|
|
return await add_feed(db_file, url)
|
|
else:
|
|
return "No news feeds were found for URL <{}>.".format(url)
|
|
else:
|
|
return await database.add_feed(db_file, feed, url, res)
|
|
else:
|
|
return "Failed to get URL <{}>. Reason: {}".format(url, res[1])
|
|
else:
|
|
ix = exist[0]
|
|
return "News source <{}> is already listed in the subscription list at index {}".format(url, ix)
|
|
|
|
|
|
def toggle_state(jid, state):
|
|
"""
|
|
Set status of update.
|
|
|
|
:param jid: JID (Jabber ID).
|
|
:param state: True or False.
|
|
:return: Status message.
|
|
"""
|
|
db_dir = get_default_dbdir()
|
|
db_file = os.path.join(db_dir, r"{}.db".format(jid))
|
|
bk_file = os.path.join(db_dir, r"{}.db.bak".format(jid))
|
|
|
|
if state:
|
|
if os.path.exists(db_file):
|
|
return "Updates are already enabled"
|
|
elif os.path.exists(bk_file):
|
|
os.renames(bk_file, db_file)
|
|
return "Updates are now enabled"
|
|
else:
|
|
if os.path.exists(bk_file):
|
|
return "Updates are already disabled"
|
|
elif os.path.exists(db_file):
|
|
os.renames(db_file, bk_file)
|
|
return "Updates are now disabled"
|
|
|
|
|
|
if __name__ == '__main__':
|
|
# Setup the command line arguments.
|
|
parser = ArgumentParser(description=Slixfeed.__doc__)
|
|
|
|
# Output verbosity options.
|
|
parser.add_argument(
|
|
"-q", "--quiet", help="set logging to ERROR",
|
|
action="store_const", dest="loglevel",
|
|
const=logging.ERROR, default=logging.INFO
|
|
)
|
|
parser.add_argument(
|
|
"-d", "--debug", help="set logging to DEBUG",
|
|
action="store_const", dest="loglevel",
|
|
const=logging.DEBUG, default=logging.INFO
|
|
)
|
|
|
|
# JID and password options.
|
|
parser.add_argument("-j", "--jid", dest="jid",
|
|
help="JID to use")
|
|
parser.add_argument("-p", "--password", dest="password",
|
|
help="password to use")
|
|
|
|
args = parser.parse_args()
|
|
|
|
# Setup logging.
|
|
logging.basicConfig(level=args.loglevel,
|
|
format='%(levelname)-8s %(message)s')
|
|
|
|
if args.jid is None:
|
|
args.jid = input("Username: ")
|
|
if args.password is None:
|
|
args.password = getpass("Password: ")
|
|
|
|
# Setup the Slixfeed and register plugins. Note that while plugins may
|
|
# have interdependencies, the order in which you register them does
|
|
# not matter.
|
|
xmpp = Slixfeed(args.jid, args.password)
|
|
xmpp.register_plugin('xep_0004') # Data Forms
|
|
xmpp.register_plugin('xep_0030') # Service Discovery
|
|
xmpp.register_plugin('xep_0045') # Multi-User Chat
|
|
xmpp.register_plugin('xep_0060') # PubSub
|
|
xmpp.register_plugin('xep_0199') # XMPP Ping
|
|
|
|
# Connect to the XMPP server and start processing XMPP stanzas.
|
|
xmpp.connect()
|
|
xmpp.process()
|