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python - discord.py bot 的随机 subreddit 图像不起作用

问题描述

这是我的代码，当我运行“.memri”命令时它会返回一堆错误。我希望我的不和谐机器人从“memritvmemes”子版块中获得一张随机图片。谁能告诉我我做错了什么？

这是我的代码：

import praw
import random
import os

from discord.ext import commands
client = commands.Bot(command_prefix = '.')

reddit = praw.Reddit(client_id='the client id',
    client_secret='the client secret',
    user_agent='Memri TV Bot by /u/Hezbolloli')

@client.command()
async def memri(ctx):
    memri_submissions = reddit.subreddit('memritvmemes').hot()
    post_to_pick = random.randint(1, 10)
    for i in range(0, post_to_pick):
        submission = next(x for x in memri_submissions if not x.stickied)

    await ctx.send(submission.url)

这是我在 python shell 中的错误日志：

Ignoring exception in command memri:
Traceback (most recent call last):
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\core.py", line 83, in wrapped
    ret = await coro(*args, **kwargs)
  File "C:\Users\Win 10\Desktop\app.py", line 69, in memri
    submission = next(x for x in memri_submissions if not x.stickied)
  File "C:\Users\Win 10\Desktop\app.py", line 69, in <genexpr>
    submission = next(x for x in memri_submissions if not x.stickied)
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\praw\models\listing\generator.py", line 61, in __next__
    self._next_batch()
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\praw\models\listing\generator.py", line 71, in _next_batch
    self._listing = self._reddit.get(self.url, params=self.params)
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\praw\reddit.py", line 454, in get
    data = self.request("GET", path, params=params)
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\praw\reddit.py", line 626, in request
    return self._core.request(
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\prawcore\sessions.py", line 183, in request
    return self._request_with_retries(
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\prawcore\sessions.py", line 115, in _request_with_retries
    response, saved_exception = self._make_request(
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\prawcore\sessions.py", line 98, in _make_request
    response = self._rate_limiter.call(
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\prawcore\rate_limit.py", line 35, in call
    kwargs['headers'] = set_header_callback()
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\prawcore\sessions.py", line 145, in _set_header_callback
    self._authorizer.refresh()
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\prawcore\auth.py", line 299, in refresh
    self._request_token(grant_type='client_credentials')
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\prawcore\auth.py", line 138, in _request_token
    response = self._authenticator._post(url, **data)
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\prawcore\auth.py", line 31, in _post
    raise ResponseException(response)
prawcore.exceptions.ResponseException: received 401 HTTP response

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\bot.py", line 892, in invoke
    await ctx.command.invoke(ctx)
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\core.py", line 797, in invoke
    await injected(*ctx.args, **ctx.kwargs)
  File "C:\Users\Win 10\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\core.py", line 92, in wrapped
    raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: ResponseException: received 401 HTTP response

标签： pythonpython-3.xdiscorddiscord.pypraw

解决方案

试试下面的代码片段：

@client.command()
async def memri(ctx):
    subreddit = reddit.subreddit("memritvmemes")
    all_subs = []
    top = subreddit.hot(limit=50)
    for submission in top:
        all_subs.append(submission)
    random_sub = random.choice(all_subs)
    name = random_sub.title
    url = random_sub.url
    em = discord.Embed(title=name)
    em.set_image(url=url)
    await ctx.send(embed=em)

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