Files
aikaterna-cogs/wolfram/wolfram.py
2019-01-05 21:22:46 -08:00

60 lines
1.9 KiB
Python

import aiohttp
import os
from redbot.core import Config, commands, checks
from redbot.core.utils.chat_formatting import box
import xml.etree.ElementTree as ET
BaseCog = getattr(commands, "Cog", object)
class Wolfram(BaseCog):
"""Ask Wolfram Alpha any question."""
def __init__(self, bot):
self.bot = bot
self.session = aiohttp.ClientSession()
default_global = {"WOLFRAM_API_KEY": None}
self.config = Config.get_conf(self, 2788801004)
self.config.register_guild(**default_global)
@commands.command(name="wolfram", aliases=["ask"])
async def _wolfram(self, ctx, *question: str):
"""Ask Wolfram Alpha any question."""
api_key = await self.config.WOLFRAM_API_KEY()
if api_key:
url = "http://api.wolframalpha.com/v2/query?"
query = " ".join(question)
payload = {"input": query, "appid": api_key}
headers = {"user-agent": "Red-cog/2.0.0"}
async with self.session.get(url, params=payload, headers=headers) as r:
result = await r.text()
root = ET.fromstring(result)
a = []
for pt in root.findall(".//plaintext"):
if pt.text:
a.append(pt.text.capitalize())
if len(a) < 1:
message = "There is as yet insufficient data for a meaningful answer."
else:
message = "\n".join(a[0:3])
else:
message = "No API key set for Wolfram Alpha. Get one at http://products.wolframalpha.com/api/"
await ctx.send(box(message))
@checks.is_owner()
@commands.command(name="setwolframapi", aliases=["setwolfram"])
async def _setwolframapi(self, ctx, key: str):
"""Set the api-key."""
if key:
await self.config.WOLFRAM_API_KEY.set(key)
await ctx.send("Key set.")
def __unload(self):
self.bot.loop.create_task(self.session.close())