我现在正在编写 discord bot，所以我想知道如何将主播的名称保存在单独的文件中，以便当他上线时，bot 会在特定频道中发送有关该消息的消息。
这是我试过的：
import os
import json
import discord
import requests
from discord.ext import tasks, commands
from twitchAPI.twitch import Twitch
from discord.utils import get
intents = discord.Intents.all()
bot = commands.Bot(command_prefix='$', intents=intents)
使用 twitch API 进行身份验证：
client_id = os.getenv('client_id')
client_secret = os.getenv('Dweller_token')
twitch = Twitch(client_id, client_secret)
twitch.authenticate_app([])
TWITCH_STREAM_API_ENDPOINT_V5 = "https://api.twitch.tv/dweller/streams/{}"
API_HEADERS = {
'Client-ID': client_id,
'Accept': 'application/vnd.twitchtv.v5+json',
}
如果在线则返回 True，否则返回 False：
def checkuser(user):
try:
userid = twitch.get_users(logins=[user])['data'][0]['id']
url = TWITCH_STREAM_API_ENDPOINT_V5.format(userid)
try:
req = requests.Session().get(url, headers=API_HEADERS)
jsondata = req.json()
if 'stream' in jsondata:
if jsondata['stream'] is not None:
return True
else:
return False
except Exception as e:
print("Error checking user: ", e)
return False
except IndexError:
return False
机器人事件。始终检查流媒体是否直播。如果是，则发送消息。并在主播直播时为其添加特定角色：
@bot.event
async def on_ready():
# Defines a loop that will run every 10 seconds (checks for live users every 10 seconds).
@tasks.loop(seconds=10)
async def live_notifs_loop():
# Opens and reads the json file
with open('streamers.json', 'r') as file:
streamers = json.loads(file.read())
# Makes sure the json isn't empty before continuing.
if streamers is not None:
# Gets the guild, 'twitch streams' channel, and streaming role.
guild = bot.get_guild(1234567890)
channel = bot.get_channel(1234567890)
role = get(guild.roles, id=1234567890)
# Loops through the json and gets the key,value which in this case is the user_id and twitch_name of
# every item in the json.
for user_id, twitch_name in streamers.items():
# Takes the given twitch_name and checks it using the checkuser function to see if they're live.
# Returns either true or false.
status = checkuser(twitch_name)
# Gets the user using the collected user_id in the json
user = bot.get_user(int(user_id))
# Makes sure they're live
if status is True:
# Checks to see if the live message has already been sent.
async for message in channel.history(limit=200):
# If it has, break the loop (do nothing).
if str(user.mention) in message.content and "is now streaming" in message.content:
break
# If it hasn't, assign them the streaming role and send the message.
else:
# Gets all the members in your guild.
async for member in guild.fetch_members(limit=None):
# If one of the id's of the members in your guild matches the one from the json and
# they're live, give them the streaming role.
if member.id == int(user_id):
await member.add_roles(role)
# Sends the live notification to the 'twitch streams' channel then breaks the loop.
await channel.send(
f":red_circle: **LIVE**\n{user.mention} is now streaming on Twitch!"
f"\nhttps://www.twitch.tv/{twitch_name}")
print(f"{user} started streaming. Sending a notification.")
break
# If they aren't live do this:
else:
# Gets all the members in your guild.
async for member in guild.fetch_members(limit=None):
# If one of the id's of the members in your guild matches the one from the json and they're not
# live, remove the streaming role.
if member.id == int(user_id):
await member.remove_roles(role)
# Checks to see if the live notification was sent.
async for message in channel.history(limit=200):
# If it was, delete it.
if str(user.mention) in message.content and "is now streaming" in message.content:
await message.delete()
# Start your loop.
live_notifs_loop.start()
将“选择的”流媒体添加到 json 文件的命令：
# Command to add Twitch usernames to the json.
@bot.command(name='addtwitch', help='Adds your Twitch to the live notifs.', pass_context=True)
async def add_twitch(ctx, twitch_name):
# Opens and reads the json file.
with open('streamers.json', 'r') as file:
streamers = json.loads(file.read())
# Gets the users id that called the command.
user_id = ctx.author.id
# Assigns their given twitch_name to their discord id and adds it to the streamers.json.
streamers[user_id] = twitch_name
# Adds the changes we made to the json file.
with open('streamers.json', 'w') as file:
file.write(json.dumps(streamers))
# Tells the user it worked.
await ctx.send(f"Added {twitch_name} for {ctx.author} to the notifications list.")
print('Server Running')
bot.run(os.getenv('token'))
我想编写“$add_twitch turb4ik”，机器人将流媒体 turb4ik 保存在 streamers.json 中，并检查流媒体是否处于活动状态。如果为 True 在特定频道发送通知。但它似乎不起作用。
我得到这个语法错误：
Unhandled exception in internal background task 'live_notifs_loop'.
Traceback (most recent call last):
File "/opt/virtualenvs/python3/lib/python3.8/site-packages/discord/ext/tasks/__init__.py", line 101, in _loop
await self.coro(*args, **kwargs)
File "main.py", line 62, in live_notifs_loop
streamers = json.loads(file.read())
File "/usr/lib/python3.8/json/__init__.py", line 357, in loads
return _default_decoder.decode(s)
File "/usr/lib/python3.8/json/decoder.py", line 337, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib/python3.8/json/decoder.py", line 355, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
Ignoring exception in command None:
discord.ext.commands.errors.CommandNotFound: Command "add_twitch" is not found
我也试过这段代码，它给了我关于频道的信息，但它没有给我流媒体状态：
client_id = os.getenv('client_id')
oauth_token = os.getenv('Dweller_token')
twitch = Twitch(client_id, oauth_token)
twitch.authenticate_app([])
user_info = twitch.get_users(logins=['turb4ik'])
user_id = user_info['data'][0]['id']
print(user_info)
还有一个问题：每次我启动我的机器人时，它都说没有安装 twitchAPI，我每次启动我的机器人时都需要安装它。有时我的机器人似乎忘记了 twitchAPI 并离线并说我再次需要安装 twitchAPI。
我知道这很难，但请帮助我。也许我应该做女巫 SQL（sqlite3 库）左右。非常感谢！
编辑： 另一个语法错误：
Unhandled exception in internal background task 'live_notifs_loop'.
Traceback (most recent call last):
File "/opt/virtualenvs/python3/lib/python3.8/site-packages/discord/ext/tasks/__init__.py", line 101, in _loop
await self.coro(*args, **kwargs)
File "main.py", line 78, in live_notifs_loop
streamers = json.load(file)
File "/usr/lib/python3.8/json/__init__.py", line 293, in load
return loads(fp.read(),
File "/usr/lib/python3.8/json/__init__.py", line 357, in loads
return _default_decoder.decode(s)
File "/usr/lib/python3.8/json/decoder.py", line 337, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib/python3.8/json/decoder.py", line 355, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
Ignoring exception in command addtwitch:
Traceback (most recent call last):
File "/opt/virtualenvs/python3/lib/python3.8/site-packages/discord/ext/commands/core.py", line 85, in wrapped
ret = await coro(*args, **kwargs)
File "main.py", line 136, in add_twitch
streamers = json.load(file)
File "/usr/lib/python3.8/json/__init__.py", line 293, in load
return loads(fp.read(),
File "/usr/lib/python3.8/json/__init__.py", line 357, in loads
return _default_decoder.decode(s)
File "/usr/lib/python3.8/json/decoder.py", line 337, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib/python3.8/json/decoder.py", line 355, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/opt/virtualenvs/python3/lib/python3.8/site-packages/discord/ext/commands/bot.py", line 902, in invoke
await ctx.command.invoke(ctx)
File "/opt/virtualenvs/python3/lib/python3.8/site-packages/discord/ext/commands/core.py", line 864, in invoke
await injected(*ctx.args, **ctx.kwargs)
File "/opt/virtualenvs/python3/lib/python3.8/site-packages/discord/ext/commands/core.py", line 94, in wrapped
raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: JSONDecodeError: Expecting value: line 1 column 1 (char 0)
答案 0 :(得分：2)
Unhandled exception in internal background task 'live_notifs_loop'.
Traceback (most recent call last):
File "/opt/virtualenvs/python3/lib/python3.8/site-packages/discord/ext/tasks/__init__.py", line 101, in _loop
await self.coro(*args, **kwargs)
File "main.py", line 62, in live_notifs_loop
streamers = json.loads(file.read())
File "/usr/lib/python3.8/json/__init__.py", line 357, in loads
return _default_decoder.decode(s)
File "/usr/lib/python3.8/json/decoder.py", line 337, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib/python3.8/json/decoder.py", line 355, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
使用 streamers = json.loads(file.read()) 代替 streamers = json.load(file)
discord.ext.commands.errors.CommandNotFound: Command "add_twitch" is not found
由于您使用 name=addtwitch 参数定义您的命令，因此您只能使用 $addtwitch user 调用您的命令。为避免这种情况，请将 aliases =['add_twitch'] 参数添加到
@bot.command(name='addtwitch', help='Adds your Twitch to the live notifs.', pass_context=True, aliases =['add_twitch'])