Discord bot layout to fetch new comments and post them to a desired location based on Banhammer.py's design and aPRAW.

aPRAWDiscordStream.py

from discord.ext import commands
import apraw

# instatiate a `Bot` instance
# this is using the Discord.py library
# source can be found here: https://github.com/Rapptz/discord.py
bot = commands.Bot(COMMAND_PREFIX, description=DESCRIPTION)

# instantiate a `Reddit` instance
# you can also supply a key to an entry within a praw.ini
# file, making your login compatible with praw as well
reddit = apraw.Reddit(client_id="CLIENT_ID", client_secret="CLIENT_SECRET",
                    password="PASSWORD", user_agent="USERAGENT",
                    username="USERNAME")

# functions to call when a new comment was made will be stored here
comment_functions = []

# create a higher order function that adds the given function to the previous list
def comments(self, **kwargs):
    # function that assigns the actual values
    def assign(func):
        # storing the function as a dictionary to keep track of `kwargs`
        comment_functions.append({
            "func": func, 
            "kwargs": kwargs
        })
        # return the original function as result
        return func
    return assign

# add this function to the list with the decorator
@comments
async def handle_comments(comment):
    # send the received comment to a specified Discord channel
    msg = await bot.get_channel(CHANNEL_ID).send(comment.body)

# this function will run in an endless loop, providing streams of comments
async def stream():
    # initialize the `Subreddit` object
    subreddit = reddit.subreddit("aprawtest")
    
    # iterate through comments on Reddit
    # using aPRAW's stream method won't block as it uses `asyncio.sleep()`
    async for comment in subreddit.comments.stream():
        # iterate through all stored comments
        for func in comment_functions:
            # call the desired function and feed it the comment
            await func["func"](comment)

# add the stream function to the event loop
bot.loop.create_task(stream())

# start running the bot
bot.run(TOKEN)