Twentysix c7284ffa2a [Core] Added --dry-run flag and Travis CI boot test
This should help testing the boot process right until login
2016-12-22 18:54:27 +01:00

583 lines
20 KiB
Python

import asyncio
import os
import sys
import logging
import logging.handlers
import traceback
import datetime
try:
assert sys.version_info >= (3, 5)
from discord.ext import commands
import discord
except ImportError:
print("Discord.py is not installed.\n"
"Consult the guide for your operating system "
"and do ALL the steps in order.\n"
"https://twentysix26.github.io/Red-Docs/\n")
sys.exit()
except AssertionError:
print("Red needs Python 3.5 or superior.\n"
"Consult the guide for your operating system "
"and do ALL the steps in order.\n"
"https://twentysix26.github.io/Red-Docs/\n")
sys.exit()
from cogs.utils.settings import Settings
from cogs.utils.dataIO import dataIO
from cogs.utils.chat_formatting import inline
from collections import Counter
from io import TextIOWrapper
#
# Red, a Discord bot by Twentysix, based on discord.py and its command
# extension.
#
# https://github.com/Twentysix26/
#
#
# red.py and cogs/utils/checks.py both contain some modified functions
# originally made by Rapptz.
#
# https://github.com/Rapptz/RoboDanny/
#
description = "Red - A multifunction Discord bot by Twentysix"
class Bot(commands.Bot):
def __init__(self, *args, **kwargs):
def prefix_manager(bot, message):
"""
Returns prefixes of the message's server if set.
If none are set or if the message's server is None
it will return the global prefixes instead.
Requires a Bot instance and a Message object to be
passed as arguments.
"""
return bot.settings.get_prefixes(message.server)
self.counter = Counter()
self.uptime = datetime.datetime.utcnow() # Refreshed before login
self._message_modifiers = []
self.settings = Settings()
self._intro_displayed = False
self.logger = set_logger(self)
if 'self_bot' in kwargs:
self.settings.self_bot = kwargs['self_bot']
else:
kwargs['self_bot'] = self.settings.self_bot
super().__init__(*args, command_prefix=prefix_manager, **kwargs)
async def send_message(self, *args, **kwargs):
if self._message_modifiers:
if "content" in kwargs:
pass
elif len(args) == 2:
args = list(args)
kwargs["content"] = args.pop()
else:
return await super().send_message(*args, **kwargs)
content = kwargs['content']
for m in self._message_modifiers:
try:
content = str(m(content))
except: # Faulty modifiers should not
pass # break send_message
kwargs['content'] = content
return await super().send_message(*args, **kwargs)
def add_message_modifier(self, func):
"""
Adds a message modifier to the bot
A message modifier is a callable that accepts a message's
content as the first positional argument.
Before a message gets sent, func will get called with
the message's content as the only argument. The message's
content will then be modified to be the func's return
value.
Exceptions thrown by the callable will be catched and
silenced.
"""
if not callable(func):
raise TypeError("The message modifier function "
"must be a callable.")
self._message_modifiers.append(func)
def remove_message_modifier(self, func):
"""Removes a message modifier from the bot"""
if func not in self._message_modifiers:
raise RuntimeError("Function not present in the message "
"modifiers.")
self._message_modifiers.remove(func)
def clear_message_modifiers(self):
"""Removes all message modifiers from the bot"""
self._message_modifiers.clear()
async def send_cmd_help(self, ctx):
if ctx.invoked_subcommand:
pages = self.formatter.format_help_for(ctx, ctx.invoked_subcommand)
for page in pages:
await self.send_message(ctx.message.channel, page)
else:
pages = self.formatter.format_help_for(ctx, ctx.command)
for page in pages:
await self.send_message(ctx.message.channel, page)
def user_allowed(self, message):
author = message.author
if author.bot:
return False
if author == self.user:
return self.settings.self_bot
mod = self.get_cog('Mod')
if mod is not None:
if self.settings.owner == author.id:
return True
if not message.channel.is_private:
server = message.server
names = (self.settings.get_server_admin(
server), self.settings.get_server_mod(server))
results = map(
lambda name: discord.utils.get(author.roles, name=name),
names)
for r in results:
if r is not None:
return True
if author.id in mod.blacklist_list:
return False
if mod.whitelist_list:
if author.id not in mod.whitelist_list:
return False
if not message.channel.is_private:
if message.server.id in mod.ignore_list["SERVERS"]:
return False
if message.channel.id in mod.ignore_list["CHANNELS"]:
return False
return True
else:
return True
class Formatter(commands.HelpFormatter):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def _add_subcommands_to_page(self, max_width, commands):
for name, command in sorted(commands, key=lambda t: t[0]):
if name in command.aliases:
# skip aliases
continue
entry = ' {0:<{width}} {1}'.format(name, command.short_doc,
width=max_width)
shortened = self.shorten(entry)
self._paginator.add_line(shortened)
def initialize(bot_class=Bot, formatter_class=Formatter):
formatter = formatter_class(show_check_failure=False)
bot = bot_class(formatter=formatter, description=description, pm_help=None)
import __main__
__main__.send_cmd_help = bot.send_cmd_help # Backwards
__main__.user_allowed = bot.user_allowed # compatibility
__main__.settings = bot.settings # sucks
async def get_oauth_url():
try:
data = await bot.application_info()
except Exception as e:
return "Couldn't retrieve invite link.Error: {}".format(e)
return discord.utils.oauth_url(data.id)
async def set_bot_owner():
if bot.settings.self_bot:
bot.settings.owner = bot.user.id
return "[Selfbot mode]"
if bot.settings.owner:
owner = discord.utils.get(bot.get_all_members(),
id=bot.settings.owner)
if not owner:
try:
owner = await bot.get_user_info(bot.settings.owner)
except:
owner = None
if not owner:
owner = bot.settings.owner # Just the ID then
return owner
how_to = "Do `[p]set owner` in chat to set it"
if bot.user.bot: # Can fetch owner
try:
data = await bot.application_info()
bot.settings.owner = data.owner.id
bot.settings.save_settings()
return data.owner
except:
return "Failed to fetch owner. " + how_to
else:
return "Yet to be set. " + how_to
@bot.event
async def on_ready():
if bot._intro_displayed:
return
bot._intro_displayed = True
owner_cog = bot.get_cog('Owner')
total_cogs = len(owner_cog._list_cogs())
users = len(set(bot.get_all_members()))
servers = len(bot.servers)
channels = len([c for c in bot.get_all_channels()])
login_time = datetime.datetime.utcnow() - bot.uptime
login_time = login_time.seconds + login_time.microseconds/1E6
print("Login successful. ({}ms)\n".format(login_time))
owner = await set_bot_owner()
print("-----------------")
print("Red - Discord Bot")
print("-----------------")
print(str(bot.user))
print("\nConnected to:")
print("{} servers".format(servers))
print("{} channels".format(channels))
print("{} users\n".format(users))
prefix_label = 'Prefix'
if len(bot.settings.prefixes) > 1:
prefix_label += 'es'
print("{}: {}".format(prefix_label, " ".join(bot.settings.prefixes)))
print("Owner: " + str(owner))
print("{}/{} active cogs with {} commands".format(
len(bot.cogs), total_cogs, len(bot.commands)))
print("-----------------")
if bot.settings.token and not bot.settings.self_bot:
print("\nUse this url to bring your bot to a server:")
url = await get_oauth_url()
bot.oauth_url = url
print(url)
print("\nOfficial server: https://discord.me/Red-DiscordBot")
if os.name == "nt" and os.path.isfile("update.bat"):
print("\nMake sure to keep your bot updated by running the file "
"update.bat")
else:
print("\nMake sure to keep your bot updated by using: git pull")
print("and: pip3 install -U git+https://github.com/Rapptz/"
"discord.py@master#egg=discord.py[voice]")
await bot.get_cog('Owner').disable_commands()
@bot.event
async def on_resumed():
bot.counter["session_resumed"] += 1
@bot.event
async def on_command(command, ctx):
bot.counter["processed_commands"] += 1
@bot.event
async def on_message(message):
bot.counter["messages_read"] += 1
if bot.user_allowed(message):
await bot.process_commands(message)
@bot.event
async def on_command_error(error, ctx):
channel = ctx.message.channel
if isinstance(error, commands.MissingRequiredArgument):
await bot.send_cmd_help(ctx)
elif isinstance(error, commands.BadArgument):
await bot.send_cmd_help(ctx)
elif isinstance(error, commands.DisabledCommand):
await bot.send_message(channel, "That command is disabled.")
elif isinstance(error, commands.CommandInvokeError):
bot.logger.exception("Exception in command '{}'".format(
ctx.command.qualified_name), exc_info=error.original)
oneliner = "Error in command '{}' - {}: {}".format(
ctx.command.qualified_name, type(error.original).__name__,
str(error.original))
await ctx.bot.send_message(channel, inline(oneliner))
elif isinstance(error, commands.CommandNotFound):
pass
elif isinstance(error, commands.CheckFailure):
pass
elif isinstance(error, commands.NoPrivateMessage):
await bot.send_message(channel, "That command is not "
"available in DMs.")
else:
bot.logger.exception(type(error).__name__, exc_info=error)
return bot
def check_folders():
folders = ("data", "data/red", "cogs", "cogs/utils")
for folder in folders:
if not os.path.exists(folder):
print("Creating " + folder + " folder...")
os.makedirs(folder)
def interactive_setup(settings):
first_run = settings.bot_settings == settings.default_settings
if first_run:
print("Red - First run configuration\n")
print("If you haven't already, create a new account:\n"
"https://twentysix26.github.io/Red-Docs/red_guide_bot_accounts/"
"#creating-a-new-bot-account")
print("and obtain your bot's token like described.")
if not settings.login_credentials:
print("\nInsert your bot's token:")
while settings.token is None and settings.email is None:
choice = input("> ")
if "@" not in choice and len(choice) >= 50: # Assuming token
settings.token = choice
elif "@" in choice:
settings.email = choice
settings.password = input("\nPassword> ")
else:
print("That doesn't look like a valid token.")
settings.save_settings()
if not settings.prefixes:
print("\nChoose a prefix. A prefix is what you type before a command."
"\nA typical prefix would be the exclamation mark.\n"
"Can be multiple characters. You will be able to change it "
"later and add more of them.\nChoose your prefix:")
confirmation = False
while confirmation is False:
new_prefix = ensure_reply("\nPrefix> ").strip()
print("\nAre you sure you want {0} as your prefix?\nYou "
"will be able to issue commands like this: {0}help"
"\nType yes to confirm or no to change it".format(
new_prefix))
confirmation = get_answer()
settings.prefixes = [new_prefix]
settings.save_settings()
if first_run:
print("\nInput the admin role's name. Anyone with this role in Discord"
" will be able to use the bot's admin commands")
print("Leave blank for default name (Transistor)")
settings.default_admin = input("\nAdmin role> ")
if settings.default_admin == "":
settings.default_admin = "Transistor"
settings.save_settings()
print("\nInput the moderator role's name. Anyone with this role in"
" Discord will be able to use the bot's mod commands")
print("Leave blank for default name (Process)")
settings.default_mod = input("\nModerator role> ")
if settings.default_mod == "":
settings.default_mod = "Process"
settings.save_settings()
print("\nThe configuration is done. Leave this window always open to"
" keep Red online.\nAll commands will have to be issued through"
" Discord's chat, *this window will now be read only*.\n"
"Please read this guide for a good overview on how Red works:\n"
"https://twentysix26.github.io/Red-Docs/red_getting_started/\n"
"Press enter to continue")
input("\n")
def set_logger(bot):
logger = logging.getLogger("red")
logger.setLevel(logging.INFO)
red_format = logging.Formatter(
'%(asctime)s %(levelname)s %(module)s %(funcName)s %(lineno)d: '
'%(message)s',
datefmt="[%d/%m/%Y %H:%M]")
stdout_handler = logging.StreamHandler(sys.stdout)
stdout_handler.setFormatter(red_format)
if bot.settings.debug:
stdout_handler.setLevel(logging.DEBUG)
logger.setLevel(logging.DEBUG)
else:
stdout_handler.setLevel(logging.INFO)
logger.setLevel(logging.INFO)
fhandler = logging.handlers.RotatingFileHandler(
filename='data/red/red.log', encoding='utf-8', mode='a',
maxBytes=10**7, backupCount=5)
fhandler.setFormatter(red_format)
logger.addHandler(fhandler)
logger.addHandler(stdout_handler)
dpy_logger = logging.getLogger("discord")
if bot.settings.debug:
dpy_logger.setLevel(logging.DEBUG)
else:
dpy_logger.setLevel(logging.WARNING)
handler = logging.FileHandler(
filename='data/red/discord.log', encoding='utf-8', mode='a')
handler.setFormatter(logging.Formatter(
'%(asctime)s %(levelname)s %(module)s %(funcName)s %(lineno)d: '
'%(message)s',
datefmt="[%d/%m/%Y %H:%M]"))
dpy_logger.addHandler(handler)
return logger
def ensure_reply(msg):
choice = ""
while choice == "":
choice = input(msg)
return choice
def get_answer():
choices = ("yes", "y", "no", "n")
c = ""
while c not in choices:
c = input(">").lower()
if c.startswith("y"):
return True
else:
return False
def set_cog(cog, value): # TODO: move this out of red.py
data = dataIO.load_json("data/red/cogs.json")
data[cog] = value
dataIO.save_json("data/red/cogs.json", data)
def load_cogs(bot):
defaults = ("alias", "audio", "customcom", "downloader", "economy",
"general", "image", "mod", "streams", "trivia")
try:
registry = dataIO.load_json("data/red/cogs.json")
except:
registry = {}
bot.load_extension('cogs.owner')
owner_cog = bot.get_cog('Owner')
if owner_cog is None:
print("The owner cog is missing. It contains core functions without "
"which Red cannot function. Reinstall.")
exit(1)
if bot.settings._no_cogs:
bot.logger.debug("Skipping initial cogs loading (--no-cogs)")
if not os.path.isfile("data/red/cogs.json"):
dataIO.save_json("data/red/cogs.json", {})
return
failed = []
extensions = owner_cog._list_cogs()
if not registry: # All default cogs enabled by default
for ext in defaults:
registry["cogs." + ext] = True
for extension in extensions:
if extension.lower() == "cogs.owner":
continue
to_load = registry.get(extension, False)
if to_load:
try:
owner_cog._load_cog(extension)
except Exception as e:
print("{}: {}".format(e.__class__.__name__, str(e)))
bot.logger.exception(e)
failed.append(extension)
registry[extension] = False
dataIO.save_json("data/red/cogs.json", registry)
if failed:
print("\nFailed to load: {}\n".format(" ".join(failed)))
def main(bot):
check_folders()
if not bot.settings.no_prompt:
interactive_setup(bot.settings)
load_cogs(bot)
if bot.settings._dry_run:
print("Quitting: dry run")
exit(0)
print("Logging into Discord...")
bot.uptime = datetime.datetime.utcnow()
if bot.settings.login_credentials:
yield from bot.login(*bot.settings.login_credentials,
bot=not bot.settings.self_bot)
else:
print("No credentials available to login.")
raise RuntimeError()
yield from bot.connect()
if __name__ == '__main__':
sys.stdout = TextIOWrapper(sys.stdout.detach(),
encoding=sys.stdout.encoding,
errors="replace",
line_buffering=True)
bot = initialize()
error = False
loop = asyncio.get_event_loop()
try:
loop.run_until_complete(main(bot))
except discord.LoginFailure:
error = True
bot.logger.error(traceback.format_exc())
if not bot.settings.no_prompt:
choice = input("Invalid login credentials. If they worked before "
"Discord might be having temporary technical "
"issues.\nIn this case, press enter and try again "
"later.\nOtherwise you can type 'reset' to reset "
"the current credentials and set them again the "
"next start.\n> ")
if choice.lower().strip() == "reset":
bot.settings.token = None
bot.settings.email = None
bot.settings.password = None
bot.settings.save_settings()
except KeyboardInterrupt:
loop.run_until_complete(bot.logout())
except Exception as e:
error = True
bot.logger.exception("Fatal exception, attempting graceful logout",
exc_info=e)
loop.run_until_complete(bot.logout())
finally:
loop.close()
if error:
exit(1)