138 lines
4.2 KiB
Python
138 lines
4.2 KiB
Python
import re
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from datetime import datetime
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from time import mktime
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from discord import Embed, Forbidden, HTTPException
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from discord.ext import commands, tasks
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from discord.ext.commands import BadArgument
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from feedparser import parse
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import db
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from administrator.check import is_enabled
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from administrator.logger import logger
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extension_name = "tomuss"
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logger = logger.getChild(extension_name)
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url_re = re.compile(r"https://tomuss\.univ-lyon1\.fr/S/[0-9]{4}/[a-zA-Z]+/rss/.+")
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class Tomuss(commands.Cog):
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def __init__(self, bot: commands.Bot):
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self.bot = bot
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self.tomuss_loop.start()
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def description(self):
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return "PCP Univ Lyon 1"
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@commands.group("tomuss", pass_context=True)
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@is_enabled()
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async def tomuss(self, ctx: commands.Context):
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if ctx.invoked_subcommand is None:
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await ctx.invoke(self.tomuss_help)
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@tomuss.group("help", pass_context=True)
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async def tomuss_help(self, ctx: commands.Context):
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embed = Embed(title="Tomuss help")
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embed.add_field(name="tomuss set <url>", value="Set your tomuss RSS feed", inline=False)
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embed.add_field(name="tomuss unset", value="Unset your tomuss RSS feed", inline=False)
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await ctx.send(embed=embed)
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@tomuss.group("set", pass_context=True)
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async def tomuss_set(self, ctx: commands.Context, url: str):
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if not url_re.fullmatch(url):
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raise BadArgument()
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entries = parse(url).entries
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if not entries:
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raise BadArgument()
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last = datetime.fromtimestamp(mktime(sorted(entries, key=lambda e: e.published_parsed)[0].published_parsed))
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s = db.Session()
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t = s.query(db.Tomuss).get(ctx.author.id)
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if t:
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t.url = url
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t.last = last
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else:
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t = db.Tomuss(ctx.author.id, url, last)
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s.add(t)
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s.commit()
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s.close()
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await ctx.message.add_reaction("\U0001f44d")
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@tomuss.group("unset", pass_context=True)
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async def tomuss_unset(self, ctx: commands.Context):
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s = db.Session()
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t = s.query(db.Tomuss).get(ctx.author.id)
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if not t:
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raise BadArgument()
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s.delete(t)
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s.commit()
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s.close()
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await ctx.message.add_reaction("\U0001f44d")
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@tasks.loop(minutes=5)
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async def tomuss_loop(self):
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s = db.Session()
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for t in s.query(db.Tomuss).all():
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u = await self.bot.fetch_user(t.user_id)
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if not u:
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s.delete(t)
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s.commit()
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continue
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last = t.last.utctimetuple()
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entries = list(filter(lambda e: e.published_parsed > last,
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sorted(parse(t.url).entries, key=lambda e: e.published_parsed)))
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if entries:
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embed = Embed(title="Tomuss update !")
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for e in entries:
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if len(e.title) > 256:
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title = e.title[:253] + "..."
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else:
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title = e.title
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summary = e.summary.replace("<br />", "\n").replace("<b>", "**").replace("</b>", "**")
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if len(summary) > 1024:
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summary = summary[:1021] + "..."
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embed.add_field(name=title, value=summary)
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try:
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await u.send(embed=embed)
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except Forbidden:
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s.delete(t)
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s.commit()
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continue
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except HTTPException:
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await u.send("Too much to send, I can't handle it sorry...")
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finally:
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t.last = datetime.fromtimestamp(mktime(entries[-1].published_parsed))
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s.add(t)
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s.commit()
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s.close()
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def cog_unload(self):
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self.tomuss_loop.stop()
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def setup(bot):
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logger.info(f"Loading...")
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try:
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bot.add_cog(Tomuss(bot))
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except Exception as e:
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logger.error(f"Error loading: {e}")
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else:
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logger.info(f"Load successful")
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def teardown(bot):
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logger.info(f"Unloading...")
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try:
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bot.remove_cog("Tomuss")
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except Exception as e:
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logger.error(f"Error unloading: {e}")
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else:
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logger.info(f"Unload successful")
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