Discord中的“期望用双引号括起来的属性名称”

Question

我正在编写一个不和谐的机器人来和我的朋友一起使用，我在我的一个齿轮上收到一条奇怪的消息。该代码在一个 cog 上完美运行，而在另一个 cog 上则完全不行。

我尝试重写命令并尝试以不同的方式获取数据无济于事。

import discord
import json
import os
from discord.ext import commands

class Inventory(commands.Cog):

    def __init__(self, client):
        self.client = client

    @commands.command(aliases=['iindex', 'ii'])
    async def itemindex(self, ctx, arg1='nd', arg2='nd'):
        await ctx.channel.purge(limit=1)
        if arg1 == 'nd':
            embed=discord.Embed(title="insert title", description='insert text', color=0x02a5fd)
            embed.set_footer(text="insert footer")
            await ctx.send(embed=embed)

        if arg1 == 'standard':

            if arg2 == 'nd':
                _n = 1
                _a = 0
                embed=discord.Embed(title="insert title", color=0x02a5fd)
                with open('database.json', 'r') as f:
                    data = json.load(f) #error on this line

                while _a < 20:
                    for item in data['items']['standard']:
                        if data['items']['standard'][item]['itemid'] == _n:
                            name = data['items']['standard'][item]['name']
                            embed.add_field(name=f'{name}', value=f'ID: {_n}', inline=False)
                            _n += 1
                            _a += 1

                embed.set_footer(text="insert footer")
                await ctx.send(embed=embed)

def setup(client):
    client.add_cog(Inventory(client))

它应该做的是加载文件并循环遍历密钥中的项目，但它甚至不会到达那一点。相反，它给了我这个错误：

Ignoring exception in command itemindex:
Traceback (most recent call last):
  File "C:\Users\stars\AppData\Local\Programs\Python\Python36\lib\site-packages\discord\ext\commands\core.py", line 79, in wrapped
    ret = await coro(*args, **kwargs)
  File "C:\Users\stars\Documents\Projects\Discord\Neximator\cogs\inventory.py", line 30, in itemindex
    data = json.load(f)
  File "C:\Users\stars\AppData\Local\Programs\Python\Python36\lib\json\__init__.py", line 299, in load
    parse_constant=parse_constant, object_pairs_hook=object_pairs_hook, **kw)
  File "C:\Users\stars\AppData\Local\Programs\Python\Python36\lib\json\__init__.py", line 354, in loads
    return _default_decoder.decode(s)
  File "C:\Users\stars\AppData\Local\Programs\Python\Python36\lib\json\decoder.py", line 339, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "C:\Users\stars\AppData\Local\Programs\Python\Python36\lib\json\decoder.py", line 355, in raw_decode
    obj, end = self.scan_once(s, idx)
json.decoder.JSONDecodeError: Expecting property name enclosed in double quotes: line 43 column 5 (char 1218)

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

Traceback (most recent call last):
  File "C:\Users\stars\AppData\Local\Programs\Python\Python36\lib\site-packages\discord\ext\commands\bot.py", line 859, in invoke
    await ctx.command.invoke(ctx)
  File "C:\Users\stars\AppData\Local\Programs\Python\Python36\lib\site-packages\discord\ext\commands\core.py", line 725, in invoke
    await injected(*ctx.args, **ctx.kwargs)
  File "C:\Users\stars\AppData\Local\Programs\Python\Python36\lib\site-packages\discord\ext\commands\core.py", line 88, in wrapped
    raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: JSONDecodeError: Expecting property name enclosed in double quotes: line 43 column 5 (char 1218)

是我做错了什么还是这是一个错误？

编辑：我现在意识到这可能是一个 json 错误，因为我对 JSON 很陌生，并不真正了解所有规则。这是我正在使用的 database.json 文件：

{
  "nicknames": {
    "discordname": "nickname",
  },
  "items": {
    "standard": {
      "slimeball": {
        "name": "Slimeball",
        "description": "Ball of sticky, viscous slime dropped by... well... slimes.",
        "rarity": "D",
        "itemid": 1
      }
    },
    "weapon": {
      "wooden_dagger": {
        "name": "Wooden Dagger",
        "description": "A stick with an edge lazily carved into it.",
        "type": "sword",
        "damage": "1d3",
        "accuracy": "1d20",
        "weaponid": 1
      },
      "wooden_gaunlets": {
        "name": "Wooden Gaunlets",
        "description": "Two logs with holes for your hands.  There are several designs lazily cut into it.",
        "type": "melee",
        "damage": "2d2",
        "accuracy": "2d10",
        "weaponid": 2
      },
      "wooden_bow": {
        "name": "Wooden Bow",
        "description": "A stick with a thin strand of elastic threaded through the ends creating an arch.",
        "type": "ranged",
        "damage": "1d4",
        "accuracy": "1d25",
        "weaponid": 3
      },
    }
  },
  "enemies": {
  }
}

Answer 1

这是因为 f 不是有效的 JSON。

它为您提供了一个非常明确的错误，说明原因。 Expecting property name enclosed in double quotes

没有看到你的 json 文件，我真的不能说更多。但我假设 database.json 不是有效的 JSON。我的猜测是您在键上使用了单引号。