Files
FunguyBot/plugins/news.py
T
hash c72ea72bae Add academic paper search, news aggregator, and Hacker News plugins with collapsible output
- Added arxiv.py plugin for searching academic papers on arXiv.org
- Added news.py plugin for fetching news from GNews API
- Added hackernews.py plugin for fetching stories from Hacker News
- All plugins now output results in collapsible <details> tags for better UX
- Enhanced funguy.py with improved error handling, logging, and plugin management
- Updated help.py and README.md with documentation for new plugins
- Added !plugins command to list loaded plugins
- Improved configuration loading and plugin disable/enable functionality
2026-05-04 04:36:35 -05:00

235 lines
7.4 KiB
Python

"""
News Aggregator Plugin for Funguy Bot
Fetches latest headlines from various news categories using GNews API.
Free tier: 100 requests/day
Commands:
!news - Get top headlines (default)
!news top - Top headlines
!news world - World news
!news tech - Technology news
!news business - Business news
!news science - Science news
!news health - Health news
!news crypto - Cryptocurrency news
!news search <query> - Search for specific news
"""
import logging
import aiohttp
import os
from typing import Optional, Dict, Any, List
from dotenv import load_dotenv
# Load environment variables
load_dotenv()
# ---------------------------------------------------------------------------
# Configuration
# ---------------------------------------------------------------------------
# Get API key from environment variable
GNEWS_API_KEY = os.getenv("GNEWS_API_KEY")
# Number of articles to return per command
DEFAULT_ARTICLES = 5
MAX_ARTICLES = 10
# Category mapping
CATEGORIES = {
"top": "general",
"world": "world",
"tech": "technology",
"business": "business",
"entertainment": "entertainment",
"science": "science",
"health": "health",
"sports": "sports",
"crypto": "cryptocurrency"
}
# ---------------------------------------------------------------------------
# Helper Functions
# ---------------------------------------------------------------------------
def _format_collapsible(title: str, content: str, expanded: bool = False) -> str:
"""Format content in a collapsible details/summary block."""
open_attr = ' open' if expanded else ''
return f"<details{open_attr}>\n<summary>📰 {title}</summary>\n\n{content}\n\n</details>"
def _format_news_article(article: Dict, index: int) -> str:
"""Format a single news article as an HTML list item."""
title = article.get("title", "No title")
source = article.get("source", {}).get("name", "Unknown source")
url = article.get("url", "#")
description = article.get("description", "No description available")
published = article.get("publishedAt", "")
# Truncate description if too long
if len(description) > 300:
description = description[:297] + "..."
# Format date if available
date_str = ""
if published:
try:
from datetime import datetime
dt = datetime.fromisoformat(published.replace('Z', '+00:00'))
date_str = f" | 📅 {dt.strftime('%Y-%m-%d %H:%M')}"
except:
pass
return (
f"<li>\n"
f"<strong>{index}. {title}</strong><br/>\n"
f"📰 <strong>Source:</strong> {source}{date_str}<br/>\n"
f"📝 <strong>Summary:</strong> {description}<br/>\n"
f"🔗 <a href='{url}'>{url}</a>\n"
f"</li>"
)
async def _fetch_news(category: str = "general", query: str = None, limit: int = DEFAULT_ARTICLES) -> Optional[List[Dict]]:
"""Fetch news articles from GNews API."""
if not GNEWS_API_KEY:
logging.error("GNews API key not configured. Set GNEWS_API_KEY in .env file")
return None
base_url = "https://gnews.io/api/v4"
if query:
# Search endpoint
url = f"{base_url}/search"
params = {
"q": query,
"apikey": GNEWS_API_KEY,
"lang": "en",
"max": limit,
"country": "us"
}
else:
# Top headlines endpoint
url = f"{base_url}/top-headlines"
params = {
"apikey": GNEWS_API_KEY,
"lang": "en",
"country": "us",
"max": limit
}
if category and category != "general":
params["category"] = category
try:
async with aiohttp.ClientSession() as session:
async with session.get(url, params=params) as response:
if response.status == 200:
data = await response.json()
return data.get("articles", [])
else:
logging.error(f"GNews API error: {response.status}")
return None
except Exception as e:
logging.error(f"Error fetching news: {e}")
return None
# ---------------------------------------------------------------------------
# Plugin Setup
# ---------------------------------------------------------------------------
def setup(bot):
"""Initialize plugin with bot instance."""
global GNEWS_API_KEY
GNEWS_API_KEY = os.getenv("GNEWS_API_KEY")
if GNEWS_API_KEY:
logging.info("News plugin loaded with API key")
else:
logging.warning("News plugin loaded but GNEWS_API_KEY not set in .env file")
# ---------------------------------------------------------------------------
# Command Handler
# ---------------------------------------------------------------------------
async def handle_command(room, message, bot, prefix, config):
"""Handle !news commands."""
import simplematrixbotlib as botlib
match = botlib.MessageMatch(room, message, bot, prefix)
if not (match.is_not_from_this_bot() and match.prefix() and match.command("news")):
return
global GNEWS_API_KEY
if not GNEWS_API_KEY:
GNEWS_API_KEY = os.getenv("GNEWS_API_KEY")
if not GNEWS_API_KEY:
await bot.api.send_text_message(
room.room_id,
"⚠️ News plugin is not configured. Please set GNEWS_API_KEY in .env file and restart the bot."
)
return
args = match.args()
# Parse command arguments
category = "top"
query = None
limit = DEFAULT_ARTICLES
if args:
command = args[0].lower()
if len(args) >= 2 and args[-1].isdigit():
limit = min(int(args[-1]), MAX_ARTICLES)
args = args[:-1]
if args:
command = args[0].lower()
if command == "search" and len(args) >= 2:
query = " ".join(args[1:])
category = None
elif command in CATEGORIES:
category = CATEGORIES[command]
else:
query = " ".join(args)
category = None
# Fetch news
if query:
await bot.api.send_text_message(room.room_id, f"🔍 Searching for: *{query}*...")
articles = await _fetch_news(query=query, limit=limit)
title = f"Search Results: '{query}'"
else:
articles = await _fetch_news(category=category, limit=limit)
category_name = next((k for k, v in CATEGORIES.items() if v == category), category)
title = f"Top {category_name.title()} News"
if not articles:
await bot.api.send_text_message(room.room_id, "❌ Failed to fetch news or no results found.")
return
# Build content as HTML list
content = "<ul>\n"
for i, article in enumerate(articles[:limit], 1):
content += _format_news_article(article, i) + "\n"
content += f"</ul>\n\n<em>Fetched {len(articles[:limit])} articles</em>"
# Format as collapsible and send
response = _format_collapsible(title, content, expanded=False)
await bot.api.send_markdown_message(room.room_id, response)
logging.info(f"Sent news to {room.room_id}: category={category}, query={query}")
# ---------------------------------------------------------------------------
# Plugin Metadata
# ---------------------------------------------------------------------------
__version__ = "1.0.0"
__author__ = "Funguy Bot"
__description__ = "News aggregator using GNews API"