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bot.py
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bot.py
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#Set up file logging
import datetime
import sys
args = sys.argv
#If we're to print the output
if 'print' in args:
#Just raise exceptions
def logexe(e):
raise e
#Print out all logging
logfun = print
#Otherwise, we're logging the output:
else:
import logging
#Log to logs/bot <time>.log
logging.basicConfig(filename='logs/bot/bot '+str(datetime.datetime.now())+'.log', format='%(asctime)s %(message)s')
#Get a logger
logger = logging.getLogger('Logger')
#Get the level from the first argument, if it exists. (args[0] is always the filename)
if len(args) > 1:
logger.setLevel(args[1])
else:
logger.setLevel('INFO')
#Set the general logging functions
logexe = logger.exception
logfun = logger.info
#Start the imports
logfun('------------------------------------------------------------------------------------')
logfun('Boot Start')
logfun('------------------------------------------------------------------------------------')
import json
logfun('json imported')
import asyncio
logfun('asyncio imported')
import asyncpg
logfun('asyncpg imported')
import discord
logfun('discord imported')
from discord.ext import commands
logfun('commands imported')
from cogs.utils.SimplePaginator import SimplePaginator
import serverfetcher
# Get the prefixes for the bot
async def command_prefix(bot, message):
#If there's a guild:
if message.guild:
#Get its prefixes
extras = await bot.serverfetcher.prefixes_for(message, bot.user.id)
#Otherwise, we're in a PM
else:
#Ping the bot, or have no prefix.
extras = ['', '<@'+str(bot.user.id)+'> ', '<@'+str(bot.user.id)+'>']
#Pass it along
return commands.when_mentioned_or(*extras)(bot, message)
# All cogs that will be loaded on bots startup
startup_extensions = [
'cogs.character',
'cogs.general',
'cogs.ref',
'cogs.roll',
'cogs.server_settings',
'cogs.init'
]
def evensplit(l, n):
for i in range(0, len(l), n):
yield l[i:i+n]
def splittext(count, text):
if count > 10:
return list(map(lambda x: '\n'.join(x), evensplit(text.split('\n'), 10)))
else:
return text
def titlemake(tup):
if type(tup[1]) == str:
return [{'name':tup[0], 'value':tup[1]}]
else:
return [{'name':tup[0], 'value':tup[1][0]}] + [{'name':tup[0]+' (cont.)', 'value':i} for i in tup[1][1:]]
def splitbigfields(l):
newlist = [(i, splittext(j, k)) for i, j, k in l]
newlist = [titlemake(i) for i in newlist]
outlist = []
for i in newlist:
outlist += i
return outlist
def toembed(d, printFun):
fields = d.pop('fields', [])
image = d.pop('image', None)
footer = d.pop('footer', None)
printFun(image)
em = discord.Embed(**d)
for i in fields:
em.add_field(**i)
if image:
em.set_image(url=image)
if footer:
em.set_footer(**footer)
return em
class RPBot(commands.Bot):
def __init__(self, sf):
super().__init__(command_prefix=command_prefix, case_insensitive=True, pm_help=None)
#Load the settings json
with open("botsettings.json") as data_file:
self.settings = json.load(data_file)
#Set up the waiting dictionary
self.waiting = {}
#Provide serverfetcher to the cogs
self.serverfetcher = sf
#Provide logfun to the cogs
self.logger = logfun
#Set up the bot stat logging server
self.botdataserver = {}
self.botdataserver['credentials'] = {"user": self.settings['sql'][0], "password": self.settings['sql'][2], "database": self.settings['botDataServer'], "host": self.settings['sql'][1]}
self.botdataserver['commands'] = {}
self.botdataserver['commands']['increment_command'] = 'INSERT INTO command_usage (name, uses) VALUES ($1, 1) ON CONFLICT (name) DO UPDATE SET uses = command_usage.uses + 1;'
self.botdataserver['commands']['upsert'] = lambda x: 'INSERT INTO '+x+ '(id) VALUES ($1) ON CONFLICT DO NOTHING;' #unique_guilds, unique_users
#Initializing some objects to prevent errors should their cogs fail to load:
self.inline_roller = lambda x: None
self.refserver = None
self.charserver = None
self.statserver = None
#Load extensions
for extension in startup_extensions:
try:
self.load_extension(extension)
except Exception as e:
exc = '{}: {}'.format(type(e).__name__, e)
self.logger('Failed to load extension {}\n{}'.format(extension, exc))
# Print bot information, update status and set uptime when bot is ready
async def on_ready(self):
#Log the login
self.logger('Username: ' + str(self.user.name))
self.logger('Client ID: ' + str(self.user.id))
#Post-serverfetcher set up functions
self.serverdata = self.serverfetcher.serverdata
self.systemlist = self.serverfetcher.systemlist
self.upsert_entry = self.serverfetcher.upsert_entry
#Get pool for the bot stat server
self.botdataserver['pool'] = await asyncpg.create_pool(**self.botdataserver['credentials'])
#Set the current activity
activity = discord.Activity(name='"<@bot_ping> init" to help newcomers.', type = discord.ActivityType.listening)
await self.change_presence(activity=activity)
async def on_command_error(self, ctx, e):
logexe(e)
return
# Prevent bot from replying to other bots
async def on_message(self, message):
if not message.author.bot:
#Response commands. Format is (prefix, funlist yes, funlist no, funlist invalid)
#Each entry is a dictionary of the form: {'prefix':ctx.prefix, 'function':generalFun, 'options':optionsList}
#'prefix' is, well, the prefix
#'function' is the function carried out by the entry
#'options' is a list of valid arguments to the function
#If the message's channel has a waiting entry, and the author is in that entry, and the message starts with the entries prefix:
if message.channel.id in self.waiting and message.author.id in self.waiting[message.channel.id] and message.content.startswith(self.waiting[message.channel.id][message.author.id]['prefix']):
#Pop out the author's entry
entry = self.waiting[message.channel.id].pop(message.author.id)
#If the contents of the message match an option
if message.content.strip()[len(entry['prefix']):] in entry['options']:
#Set option to it
option = message.content.strip()[len(entry['prefix']):]
#Otherwise
else:
#Set option to None
option = None
#Feed option to function
await entry['function'](option)
#If the channel's entry is empty
if not(len(self.waiting[message.channel.id])):
#Delete it
del self.waiting[message.channel.id]
#Otherwise
else:
#Get the context of the message
ctx = await self.get_context(message)
#Invoke the context
await self.invoke(ctx)
#If the bot can send messages in the channel
if ctx.me.permissions_in(ctx.channel).send_messages:
#Invoke the inline roller
await self.inline_roller(ctx)
#After a command successfully executes
async def on_command_completion(self, ctx):
#Get a connection from the stat server
async with self.botdataserver['pool'].acquire() as conn:
#If the message isn't a PM
if ctx.guild:
#Log the guild
await conn.execute(self.botdataserver['commands']['upsert']('unique_guilds'), ctx.guild.id)
#Log the user
await conn.execute(self.botdataserver['commands']['upsert']('unique_users') , ctx.author.id)
#Log the command
await conn.execute(self.botdataserver['commands']['increment_command'] , ctx.command.name)
@staticmethod
async def smartSend(ctx,initial,message,begin='', end=''):
"""Static method to send messages that might be longer than the limit.
Arguments:
ctx: context to send to
initial: An initial message to send to context
message: The message that might go over the maximum
begin: A beginning prefix to each individual text block message is split into.
end: An ending prefix to the same. If non-existent while begin exists, it's set to begin"""
#Send the initial message
await ctx.send(initial)
#If end is empty and begin is not
if begin and not(end):
#Set end to begin
end = begin
#The longest we can allow a message to be is 2000 - the combined length of the bookends
maxlength = 2000-(len(begin)+len(end))
#While message is longer than allowed
while len(message)>maxlength:
#Find the last newline in the allowed length of message
pos = message[:maxlength].rfind('\n')
#If we couldn't find one:
if pos==-1:
#Cut it off at the maximumlength
await ctx.send(begin + message[:maxlength] + end)
message = message[maxlength:]
#Otherwise
else:
#Cut it off at the newline
await ctx.send(begin+message[:pos]+end)
#And continue after the newline
message = message[pos+1:]
#Send what's left
await ctx.send(begin+message+end)
@staticmethod
async def pageOrEmbed(ctx, info, printFun, freeze, forceEmbed = False):
def maybeover(key, l, n):
if n < len(l):
return {key:l[n]}
else:
return {}
counts = {'description':info['description'].count('\n')+1 if 'description' in info else None, 'fields':[str(i['value']).count('\n')+1 for i in info['fields']], 'image':len(info['image']) if 'image' in info else 0}
maxlines = max([counts['description'] if counts['description'] else 1]+[i for i in counts['fields']])
baseembed = {'title':info['title']} ; iterables = {}
if 'footer' in info:
baseembed['footer'] = info['footer']
if not(forceEmbed) and (len(info['fields'])>3 or maxlines>10 or ('image' in info and len(info['image'])>1)):
if counts['description']:
desc = splittext(counts['description'], info['description'])
if type(desc) == str:
baseembed['description'] = desc
else:
iterables['description'] = desc
littlefields = splitbigfields([(i['name'], counts['fields'][ind], str(i['value'])) for ind, i in enumerate(info['fields'])])
if len(littlefields)>3:
iterables['fields'] = list(evensplit(littlefields, 3))
else:
baseembed['fields'] = littlefields
if 'image' in info and type(info['image']) == str:
printFun('baseImage')
baseembed['image'] = info['image']
elif 'image' in info and len(info['image']) == 1:
printFun('baseImage')
baseembed['image'] = info['image'][0]
elif 'image' in info and len(info['image']) > 1:
printFun('iterImage')
iterables['image'] = info['image']
repfields = ('description', 'fields', 'image')
embeds = [baseembed]
for i in repfields:
if i in iterables:
embeds = [{**(embeds[j] if j<len(embeds) else baseembed), **maybeover(i, iterables[i], j)} for j in range(max(len(embeds), len(iterables[i])))]
embeds = [toembed(i, printFun) for i in embeds]
if len(embeds) == 1:
await ctx.send(None, embed = embeds[0])
else:
await SimplePaginator(extras=embeds, freeze=freeze).paginate(ctx)
else:
if 'image' in info and len(info['image']) == 1:
info['image'] = info['image'][0]
await ctx.send(None, embed = toembed(info, printFun))
#Overwriting the default ger_prefix coroutine to allow for blank prefixes in DM Channels
@asyncio.coroutine
def get_prefix(self, message):
"""|coro|
Retrieves the prefix the bot is listening to
with the message as a context.
Parameters
-----------
message: :class:`discord.Message`
The message context to get the prefix of.
Raises
--------
:exc:`.ClientException`
The prefix was invalid. This could be if the prefix
function returned None, the prefix list returned no
elements that aren't None, or the prefix string is
empty.
Returns
--------s
Union[List[str], str]
A list of prefixes or a single prefix that the bot is
listening for.
"""
prefix = ret = self.command_prefix
if callable(prefix):
ret = prefix(self, message)
if asyncio.iscoroutine(ret):
ret = yield from ret
if isinstance(ret, (list, tuple)):
if not(isinstance(message.channel, discord.DMChannel)):
ret = [p for p in ret if p]
if not ret:
raise discord.ClientException('invalid prefix (could be an empty string, empty list, or None)')
return ret
#Initializing function
async def run():
logfun('starting fetcher')
sf = serverfetcher.ServerFetcher()
logfun('making bot')
bot = RPBot(sf)
try:
logfun('connecting fetcher')
await sf.init_pool(bot.settings)
logfun('starting bot')
await bot.start(bot.settings['token'])
except KeyboardInterrupt:
if bot.refserver:
await bot.refserver.close()
if bot.charserver:
await bot.charserver.close()
if bot.statserver:
await bot.statserver.close()
await botdataserver['pool'].close()
await sf.pool.close()
await bot.logout()
#Run everything
loop = asyncio.get_event_loop()
loop.run_until_complete(run())