154 lines
5.2 KiB
Python
154 lines
5.2 KiB
Python
import aiohttp
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from io import BytesIO
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import inspect
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import discord
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from . import config
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from PIL import Image
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def convert_to_jpeg(pfile):
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# Open the file given
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img = Image.open(pfile)
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# Create the BytesIO object we'll use as our new "file"
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new_file = BytesIO()
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# Save to this file as jpeg
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img.save(new_file, format='JPEG')
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# In order to use the file, we need to seek back to the 0th position
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new_file.seek(0)
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return new_file
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def get_all_commands(bot):
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"""Returns a list of all command names for the bot"""
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# First lets create a set of all the parent names
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for cmd in bot.commands:
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yield from get_all_subcommands(cmd)
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def get_all_subcommands(command):
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yield command
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if type(command) is discord.ext.commands.core.Group:
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for subcmd in command.commands:
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yield from get_all_subcommands(subcmd)
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async def channel_is_nsfw(channel, db):
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if type(channel) is discord.DMChannel:
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server = 'DMs'
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elif channel.is_nsfw():
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return True
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else:
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server = str(channel.guild.id)
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channel = str(channel.id)
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channels = db.load('server_settings', key=server, pluck='nsfw_channels') or []
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return channel in channels
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async def download_image(url):
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"""Returns a file-like object based on the URL provided"""
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# Simply read the image, to get the bytes
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bts = await request(url, attr='read')
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if bts is None:
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return None
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# Then wrap it in a BytesIO object, to be used like an actual file
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image = BytesIO(bts)
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return image
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async def request(url, *, headers=None, payload=None, method='GET', attr='json'):
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# Make sure our User Agent is what's set, and ensure it's sent even if no headers are passed
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if headers is None:
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headers = {}
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headers['User-Agent'] = config.user_agent
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# Try 5 times
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for i in range(5):
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try:
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# Create the session with our headeres
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with aiohttp.ClientSession(headers=headers) as session:
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# Make the request, based on the method, url, and paramaters given
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async with session.request(method, url, params=payload) as response:
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# If the request wasn't successful, re-attempt
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if response.status != 200:
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continue
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try:
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# Get the attribute requested
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return_value = getattr(response, attr)
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# Next check if this can be called
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if callable(return_value):
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return_value = return_value()
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# If this is awaitable, await it
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if inspect.isawaitable(return_value):
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return_value = await return_value
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# Then return it
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return return_value
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except AttributeError:
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# If an invalid attribute was requested, return None
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return None
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# If an error was hit other than the one we want to catch, try again
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except:
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continue
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async def update_records(key, db, winner, loser):
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# We're using the Harkness scale to rate
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# http://opnetchessclub.wikidot.com/harkness-rating-system
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r_filter = lambda row: (row['member_id'] == str(winner.id)) | (row['member_id'] == str(loser.id))
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matches = db.load(key, table_filter=r_filter)
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winner_stats = {}
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loser_stats = {}
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try:
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for stat in matches:
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if stat.get('member_id') == str(winner.id):
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winner_stats = stat
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elif stat.get('member_id') == str(loser.id):
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loser_stats = stat
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except TypeError:
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pass
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winner_rating = winner_stats.get('rating') or 1000
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loser_rating = loser_stats.get('rating') or 1000
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# The scale is based off of increments of 25, increasing the change by 1 for each increment
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# That is all this loop does, increment the "change" for every increment of 25
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# The change caps off at 300 however, so break once we are over that limit
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difference = abs(winner_rating - loser_rating)
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rating_change = 0
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count = 25
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while count <= difference:
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if count > 300:
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break
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rating_change += 1
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count += 25
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# 16 is the base change, increased or decreased based on whoever has the higher current rating
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if winner_rating > loser_rating:
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winner_rating += 16 - rating_change
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loser_rating -= 16 - rating_change
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else:
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winner_rating += 16 + rating_change
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loser_rating -= 16 + rating_change
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# Just increase wins/losses for each person, making sure it's at least 0
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winner_wins = winner_stats.get('wins', 0)
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winner_losses = winner_stats.get('losses', 0)
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loser_wins = loser_stats.get('wins', 0)
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loser_losses = loser_stats.get('losses', 0)
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winner_wins += 1
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loser_losses += 1
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# Now save the new wins, losses, and ratings
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winner_stats = {'wins': winner_wins, 'losses': winner_losses, 'rating': winner_rating, 'member_id': str(winner.id)}
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loser_stats = {'wins': loser_wins, 'losses': loser_losses, 'rating': loser_rating, 'member_id': str(loser.id)}
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db.save(key, winner_stats)
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db.save(key, loser_stats)
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