Discordボット開発#30投票・アンケート(Poll)ボットを作ろう！ネイティブ投票+ボタンでリアルタイム集計まで(Pythonサンプル) 🗳️

pip install -U "discord.py>=2.5" python-dotenv

python -c "import discord; print(discord.__version__)"

token=여기에_봇_토큰_붙여넣기

intents = discord.Intents.default()
intents.message_content = True
intents.polls = True  # 投票イベント(on_poll_vote_addなど)を受け取るのに必要

@bot.tree.command(name="투표", description="Discord標準の投票を表示します")
async def native_poll(interaction: discord.Interaction, 질문: str, 항목: str):
    # 항목はカンマ区切りで受け取ります: "チキン,ピザ,豚足"
    choices = [c.strip() for c in 항목.split(",") if c.strip()][:10]

    if len(choices) < 2:
        await interaction.response.send_message("項目は2つ以上入力してください！", ephemeral=True)
        return

    poll = discord.Poll(question=질문, duration=datetime.timedelta(hours=24))
    for c in choices:
        poll.add_answer(text=c)

    await interaction.response.send_message(poll=poll)

@bot.event
async def on_poll_vote_add(user, answer):
    print(f"{user}さんが「{answer.text}」に投票しました")

class PollView(discord.ui.View):
    def __init__(self, question: str, choices: list[str], author_id: int, timeout: float = 3600):
        super().__init__(timeout=timeout)
        self.question = question
        self.choices = choices
        self.author_id = author_id
        self.votes: dict[int, int] = {}  # {ユーザーID: 選択肢のindex}

        for idx, label in enumerate(choices):
            self.add_item(VoteButton(label=label, index=idx))

class VoteButton(discord.ui.Button):
    def __init__(self, label: str, index: int):
        super().__init__(label=label, style=discord.ButtonStyle.secondary)
        self.index = index

    async def callback(self, interaction: discord.Interaction):
        view: PollView = self.view
        view.votes[interaction.user.id] = self.index
        await interaction.response.edit_message(embed=view.build_embed())

def build_embed(self) -> discord.Embed:
    counts = [0] * len(self.choices)
    for choice_idx in self.votes.values():
        counts[choice_idx] += 1
    total = sum(counts)

    lines = []
    for label, cnt in zip(self.choices, counts):
        ratio = (cnt / total) if total else 0
        bar = "█" * round(ratio * 12) or "░"
        lines.append(f"`{bar:<12}` **{cnt}표** ({ratio*100:.0f}%) · {label}")

    embed = discord.Embed(title=f"🗳️ {self.question}", description="\n".join(lines))
    embed.set_footer(text=f"合計 {total}票 · ボタンを押して投票してください (もう一度押すと変更できます)")
    return embed

# discord.py 2.5+ / Python 3.10+
# pip install -U "discord.py>=2.5" python-dotenv
import os
import datetime

import discord
from discord.ext import commands
from dotenv import load_dotenv

load_dotenv()
token = os.getenv("token")

intents = discord.Intents.default()
intents.message_content = True
intents.polls = True

bot = commands.Bot(command_prefix="!", intents=intents)

class VoteButton(discord.ui.Button):
    def __init__(self, label: str, index: int):
        super().__init__(label=label, style=discord.ButtonStyle.secondary)
        self.index = index

    async def callback(self, interaction: discord.Interaction):
        view: "PollView" = self.view
        if view.closed:
            await interaction.response.send_message("もう締め切られた投票です！", ephemeral=True)
            return
        view.votes[interaction.user.id] = self.index
        await interaction.response.edit_message(embed=view.build_embed(), view=view)

class CloseButton(discord.ui.Button):
    def __init__(self):
        super().__init__(label="投票締切", style=discord.ButtonStyle.danger, row=4)

    async def callback(self, interaction: discord.Interaction):
        view: "PollView" = self.view
        if interaction.user.id != view.author_id:
            await interaction.response.send_message("投票を始めた人だけが締め切れます！", ephemeral=True)
            return
        view.closed = True
        for item in view.children:
            item.disabled = True
        await interaction.response.edit_message(embed=view.build_embed(), view=view)
        view.stop()

class PollView(discord.ui.View):
    def __init__(self, question: str, choices: list[str], author_id: int, timeout: float = 3600):
        super().__init__(timeout=timeout)
        self.question = question
        self.choices = choices
        self.author_id = author_id
        self.votes: dict[int, int] = {}
        self.closed = False

        for idx, label in enumerate(choices):
            self.add_item(VoteButton(label=label, index=idx))
        self.add_item(CloseButton())

    def build_embed(self) -> discord.Embed:
        counts = [0] * len(self.choices)
        for choice_idx in self.votes.values():
            counts[choice_idx] += 1
        total = sum(counts)

        lines = []
        for label, cnt in zip(self.choices, counts):
            ratio = (cnt / total) if total else 0
            bar = "█" * round(ratio * 12) or "░"
            lines.append(f"`{bar:<12}` **{cnt}표** ({ratio * 100:.0f}%) · {label}")

        title = ("🔒 [마감] " if self.closed else "🗳️ ") + self.question
        embed = discord.Embed(title=title, description="\n".join(lines), color=0x5865F2)
        footer = f"合計 {total}票"
        footer += " · 最終結果です" if self.closed else " · ボタンを押して投票してください (もう一度押すと変更できます)"
        embed.set_footer(text=footer)
        return embed

    async def on_timeout(self):
        self.closed = True
        for item in self.children:
            item.disabled = True

@bot.event
async def on_ready():
    await bot.tree.sync()
    print(f"{bot.user} 準備完了！")

@bot.tree.command(name="투표", description="ボタン投票を開始します (項目はカンマ区切り)")
async def poll_command(interaction: discord.Interaction, 질문: str, 항목: str, 시간: int = 1):
    choices = [c.strip() for c in 항목.split(",") if c.strip()][:5]
    if len(choices) < 2:
        await interaction.response.send_message("項目は2つ以上入力してください！例) チキン,ピザ,豚足", ephemeral=True)
        return

    view = PollView(질문, choices, interaction.user.id, timeout=시간 * 3600)
    await interaction.response.send_message(embed=view.build_embed(), view=view)

@bot.tree.command(name="기본투표", description="Discordのネイティブ投票を表示します")
async def native_poll(interaction: discord.Interaction, 질문: str, 항목: str, 시간: int = 24):
    choices = [c.strip() for c in 항목.split(",") if c.strip()][:10]
    if len(choices) < 2:
        await interaction.response.send_message("項目は2つ以上入力してください！", ephemeral=True)
        return

    poll = discord.Poll(question=질문, duration=datetime.timedelta(hours=시간))
    for c in choices:
        poll.add_answer(text=c)

    await interaction.response.send_message(poll=poll)

@bot.event
async def on_poll_vote_add(user, answer):
    print(f"[投票] {user}さん → {answer.text}")

bot.run(token)

/투표 질문:오늘 저녁 뭐 먹을까요? 항목:치킨,피자,족발 시간:2