113 lines
3.6 KiB
Python
113 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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# Search Functionality
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# Provides search results from SearX
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'''Search Cog'''
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import discord
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from discord.ext import commands
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import aiohttp
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import random
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class Search(commands.Cog):
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def __init__(self, bot):
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self.bot = bot
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self.session = bot.session
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self.instances = bot.instances
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async def _search_logic(self, query: str, type: str = None):
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"""Provides search logic for all search commands."""
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# Choose an instance
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if self.instances == []:
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with open('searxes.txt') as f:
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self.instances = f.read().split('\n')
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instance = random.sample(self.instances, k=1)[0]
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print(f"Attempting to use {instance}")
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# Error Template
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error_msg = ("**An error occured!**\n\n"
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f"There was a problem with `{instance}`. Please try again later.\n"
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f"_If problems with this instance persist, contact`{self.bot.appinfo.owner}` to have it removed._")
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# Create the URL to make an API call to
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call = f'{instance}/search?q={query}&format=json&language=en-US'
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# If a type is provided, add that type to the call URL
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if type:
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call += f'?type={type}'
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# Make said API call
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try:
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async with self.session.get(call) as resp:
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response = await resp.json()
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except aiohttp.ClientError:
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return error_msg
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# Split our response data up for parsing
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# infoboxes = response['infoboxes']
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results = response['results']
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# Create message with results
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try:
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# Handle tiny result count
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if len(results) > 5:
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amt = 5
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else:
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amt = len(results)
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# Header
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msg = f"Showing **{amt}** results for `{query}`. \n\n"
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# Expanded Result
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msg += (
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f"**{results[0]['title']}** <{results[0]['url']}>\n"
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f"{results[0]['content']}\n\n")
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# Other Results
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msg += "\n".join(
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[f"**{entry['title']}** <{entry['url']}>" for entry in results[1:5]])
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# Instance Info
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msg += f"\n\n_Results retrieved from instance `{instance}`._"
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# Reached if error with returned results
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except (KeyError, IndexError) as e:
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# Logging
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print(f"{e} with instance {instance}, trying again.")
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self.instances.remove(instance) # Weed the instance out
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return await self._search_logic(query) # Recurse until good response
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return msg
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@commands.command()
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async def search(self, ctx, *, query: str):
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"""Search online for results."""
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# Logging
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print(f"\n\nNEW CALL: {ctx.author} from {ctx.guild}.\n")
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# Handling
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async with ctx.typing():
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msg = await self._search_logic(query)
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await ctx.send(msg)
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@commands.Cog.listener()
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async def on_command_error(self, ctx, error):
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"""Listener makes no command fallback to searching."""
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if isinstance(error, commands.CommandNotFound):
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# Logging
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print(f"\n\nNEW CALL: {ctx.author} from {ctx.guild}.\n")
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# Handling
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async with ctx.typing():
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# Prepares term
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term = ctx.message.content.replace(ctx.prefix, '', 1)
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term = term.lstrip(' ')
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# Does search
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msg = await self._search_logic(term)
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# Sends result
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await ctx.send(msg)
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def setup(bot):
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bot.add_cog(Search(bot)) |