qrm2/exts/base.py
0x5c 29d0440d3d
Normalised string quote type
- "" instead of '', except for dictionary lookups in f-strings

Element of #142
New year lint removal
2020-01-30 06:15:42 -05:00

234 lines
8.7 KiB
Python

"""
Base extension for qrm
---
Copyright (C) 2019-2020 Abigail Gold, 0x5c
This file is part of discord-qrm2 and is released under the terms of the GNU
General Public License, version 2.
"""
import random
import re
from collections import OrderedDict
from typing import Union
import discord
import discord.ext.commands as commands
import info
import common as cmn
import data.options as opt
class QrmHelpCommand(commands.HelpCommand):
def __init__(self):
super().__init__(command_attrs={"help": "Shows help about qrm or a command", "aliases": ["h"]})
self.verify_checks = True
async def get_bot_mapping(self):
bot = self.context.bot
mapping = {}
for cmd in await self.filter_commands(bot.commands, sort=True):
cat = cmd.__original_kwargs__.get("category", None)
if cat in mapping:
mapping[cat].append(cmd)
else:
mapping[cat] = [cmd]
return mapping
async def get_command_signature(self, command):
parent = command.full_parent_name
if command.aliases != []:
aliases = ", ".join(command.aliases)
fmt = command.name
if parent:
fmt = f"{parent} {fmt}"
alias = fmt
return f"{opt.prefix}{alias} {command.signature}\n *Aliases:* {aliases}"
alias = command.name if not parent else f"{parent} {command.name}"
return f"{opt.prefix}{alias} {command.signature}"
async def send_error_message(self, error):
embed = cmn.embed_factory(self.context)
embed.title = "qrm Help Error"
embed.description = error
embed.colour = cmn.colours.bad
await self.context.send(embed=embed)
async def send_bot_help(self, mapping):
embed = cmn.embed_factory(self.context)
embed.title = "qrm Help"
embed.description = (f"For command-specific help and usage, use `{opt.prefix}help [command name]`."
" Many commands have shorter aliases.")
mapping = await mapping
for cat, cmds in mapping.items():
if cmds == []:
continue
names = sorted([cmd.name for cmd in cmds])
if cat is not None:
embed.add_field(name=cat.title(), value=", ".join(names), inline=False)
else:
embed.add_field(name="Other", value=", ".join(names), inline=False)
await self.context.send(embed=embed)
async def send_command_help(self, command):
if self.verify_checks:
if not await command.can_run(self.context):
raise commands.CheckFailure
for p in command.parents:
if not await p.can_run(self.context):
raise commands.CheckFailure
embed = cmn.embed_factory(self.context)
embed.title = await self.get_command_signature(command)
embed.description = command.help
await self.context.send(embed=embed)
async def send_group_help(self, group):
if self.verify_checks and not await group.can_run(self.context):
raise commands.CheckFailure
embed = cmn.embed_factory(self.context)
embed.title = await self.get_command_signature(group)
embed.description = group.help
for cmd in await self.filter_commands(group.commands, sort=True):
embed.add_field(name=await self.get_command_signature(cmd), value=cmd.help, inline=False)
await self.context.send(embed=embed)
class BaseCog(commands.Cog):
def __init__(self, bot: commands.Bot):
self.bot = bot
self.changelog = parse_changelog()
@commands.command(name="info", aliases=["about"])
async def _info(self, ctx: commands.Context):
"""Shows info about qrm."""
embed = cmn.embed_factory(ctx)
embed.title = "About qrm"
embed.description = info.description
embed.add_field(name="Authors", value=", ".join(info.authors))
embed.add_field(name="License", value=info.license)
embed.add_field(name="Version", value=f"v{info.release}")
embed.add_field(name="Contributing", value=info.contributing, inline=False)
embed.add_field(name="Official Server", value=info.bot_server, inline=False)
embed.set_thumbnail(url=str(self.bot.user.avatar_url))
await ctx.send(embed=embed)
@commands.command(name="ping", aliases=["beep"])
async def _ping(self, ctx: commands.Context):
"""Show the current latency to the discord endpoint."""
embed = cmn.embed_factory(ctx)
content = ""
if ctx.invoked_with == "beep":
embed.title = "**Boop!**"
else:
content = ctx.message.author.mention if random.random() < 0.05 else ""
embed.title = "🏓 **Pong!**"
embed.description = f"Current ping is {self.bot.latency*1000:.1f} ms"
await ctx.send(content, embed=embed)
@commands.command(name="changelog", aliases=["clog"])
async def _changelog(self, ctx: commands.Context, version: str = "latest"):
"""Show what has changed in a bot version."""
embed = cmn.embed_factory(ctx)
embed.title = "qrm Changelog"
embed.description = ("For a full listing, visit [Github](https://"
"github.com/classabbyamp/discord-qrm2/blob/master/CHANGELOG.md).")
changelog = self.changelog
vers = list(changelog.keys())
vers.remove("Unreleased")
version = version.lower()
if version == "latest":
version = info.release
if version == "unreleased":
version = "Unreleased"
try:
log = changelog[version]
except KeyError:
embed.title += ": Version Not Found"
embed.description += "\n\n**Valid versions:** latest, "
embed.description += ", ".join(vers)
embed.colour = cmn.colours.bad
await ctx.send(embed=embed)
return
if "date" in log:
embed.description += f"\n\n**v{version}** ({log['date']})"
else:
embed.description += f"\n\n**v{version}**"
embed = await format_changelog(log, embed)
await ctx.send(embed=embed)
@commands.command(name="issue")
async def _issue(self, ctx: commands.Context):
"""Shows how to create an issue for the bot."""
embed = cmn.embed_factory(ctx)
embed.title = "Found a bug? Have a feature request?"
embed.description = ("Submit an issue on the [issue tracker]"
"(https://github.com/classabbyamp/discord-qrm2/issues)!")
await ctx.send(embed=embed)
@commands.command(name="echo", aliases=["e"], category=cmn.cat.admin)
@commands.check(cmn.check_if_owner)
async def _echo(self, ctx: commands.Context,
channel: Union[cmn.GlobalChannelConverter, commands.UserConverter], *, msg: str):
"""Send a message in a channel as qrm. Accepts channel/user IDs/mentions.
Channel names are current-guild only.
Does not work with the ID of the bot user."""
if isinstance(channel, discord.ClientUser):
raise commands.BadArgument("Can't send to the bot user!")
await channel.send(msg)
def parse_changelog():
changelog = OrderedDict()
ver = ""
heading = ""
with open("CHANGELOG.md") as changelog_file:
for line in changelog_file.readlines():
if line.strip() == "":
continue
if re.match(r"##[^#]", line):
ver_match = re.match(r"\[(.+)\](?: - )?(\d{4}-\d{2}-\d{2})?", line.lstrip("#").strip())
if ver_match is not None:
ver = ver_match.group(1)
changelog[ver] = dict()
if ver_match.group(2):
changelog[ver]["date"] = ver_match.group(2)
elif re.match(r"###[^#]", line):
heading = line.lstrip("#").strip()
changelog[ver][heading] = []
elif ver != "" and heading != "":
if line.startswith("-"):
changelog[ver][heading].append(line.lstrip("-").strip())
return changelog
async def format_changelog(log: dict, embed: discord.Embed):
for header, lines in log.items():
formatted = ""
if header != "date":
for line in lines:
formatted += f"- {line}\n"
embed.add_field(name=f"**{header}**", value=formatted, inline=False)
return embed
def setup(bot: commands.Bot):
bot.add_cog(BaseCog(bot))
bot._original_help_command = bot.help_command
bot.help_command = QrmHelpCommand()
def teardown(bot: commands.Bot):
bot.help_command = bot._original_help_command