rss-discord-bot/webhook.py

#!/home/cardigan/rss-discord-bot/venv/python/python3.11

from datetime import datetime
import json
import os
import sys

import feedparser
import requests

guild = os.getenv("DISCORD_GUILD") # Discord server code
token = os.getenv("DISCORD_TOKEN") # token for this bot
cardicast_ping = os.getenv("DISCORD_CARDICAST_PING") # Discord role

# get the latest post with image as enclosure
f = feedparser.parse("https://newcardigan.org/category/cardicast/?feed=featured_image_feed")
p = f.entries[0]
# check whether we have already seen this entry
with open("latest_post.txt", "r+") as f:
    guid = f.read().strip()
    f.close()

if guid != p.guid:
    # update the guid
    with open("latest_post.txt", "w+") as f:
        f.write(p.guid)
        f.close()

    content = f"[<:newCardigan:1280097925149626419> **{p.title}**]({p.link})\n\n{p.description}\n\n<@&{cardicast_ping}>\n\n"
    embeds = [
        {
            "title": "Listen to this episode right now",
            "url": p.enclosures[1].href,
            "color": 16741516,
            "image": {
                "url": p.enclosures[0].href
                }
        }
    ]

    headers = {'user-agent': 'cardiCast-discord-bot/1.0.0'}
    url = f"https://discord.com/api/webhooks/{guild}/{token}"
    payload = {
        "thread_name": f"{p.title}",
        "content": content,
        "embeds": embeds,
        "allowed_mentions": { "roles": [cardicast_ping] }
    }

    r = requests.post(url, json=payload, headers=headers)
    print(datetime.now().isoformat(' '), r)
    r.raise_for_status() # if we got a 4xx response