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"""Utilities for interacting with discord channels."""
import discord
from discord.ext.commands import Bot
from botcore.utils import loggers
log = loggers.get_logger(__name__)
def is_in_category(channel: discord.TextChannel, category_id: int) -> bool:
"""Return True if `channel` is within a category with `category_id`."""
return getattr(channel, "category_id", None) == category_id
async def get_or_fetch_channel(bot: Bot, channel_id: int) -> discord.abc.GuildChannel:
"""Attempt to get or fetch a channel and return it."""
log.trace(f"Getting the channel {channel_id}.")
channel = bot.get_channel(channel_id)
if not channel:
log.debug(f"Channel {channel_id} is not in cache; fetching from API.")
channel = await bot.fetch_channel(channel_id)
log.trace(f"Channel #{channel} ({channel_id}) retrieved.")
return channel
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