mirror of https://github.com/sgoudham/Enso-Bot.git
Renaming HelpPaginator.py to help.py
parent
818c3ace05
commit
312b563cc5
@ -1,520 +0,0 @@
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# Help paginator by Rapptz
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# Edited by F4stZ4p
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import asyncio
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import datetime
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import discord
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from discord.ext.commands import Cog
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from settings import enso_embedmod_colours
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class CannotPaginate(Exception):
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pass
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class Pages:
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"""Implements a paginator that queries the user for the
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pagination interface.
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Pages are 1-index based, not 0-index based.
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If the user does not reply within 2 minutes then the pagination
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interface exits automatically.
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Parameters
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------------
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ctx: Context
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The context of the command.
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entries: List[str]
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A list of entries to paginate.
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per_page: int
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How many entries show up per page.
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show_entry_count: bool
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Whether to show an entry count in the footer.
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Attributes
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-----------
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embed: discord.Embed
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The embed object that is being used to send pagination info.
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Feel free to modify this externally. Only the description,
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footer fields, and colour are internally modified.
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permissions: discord.Permissions
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Our permissions for the channel.
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"""
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def __init__(self, ctx, *, entries, per_page=12, show_entry_count=True):
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self.bot = ctx.bot
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self.entries = entries
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self.message = ctx.message
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self.channel = ctx.channel
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self.author = ctx.author
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self.per_page = per_page
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pages, left_over = divmod(len(self.entries), self.per_page)
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if left_over:
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pages += 1
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self.maximum_pages = pages
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self.embed = discord.Embed(colour=enso_embedmod_colours,
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timestamp=datetime.datetime.utcnow()) # any HEX color here
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self.paginating = len(entries) > per_page
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self.show_entry_count = show_entry_count
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self.reaction_emojis = [
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('\N{BLACK LEFT-POINTING DOUBLE TRIANGLE WITH VERTICAL BAR}', self.first_page),
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('\N{BLACK LEFT-POINTING TRIANGLE}', self.previous_page),
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('\N{BLACK RIGHT-POINTING TRIANGLE}', self.next_page),
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('\N{BLACK RIGHT-POINTING DOUBLE TRIANGLE WITH VERTICAL BAR}', self.last_page),
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('\N{INPUT SYMBOL FOR NUMBERS}', self.numbered_page),
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('\N{BLACK SQUARE FOR STOP}', self.stop_pages),
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('\N{INFORMATION SOURCE}', self.show_help),
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]
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if ctx.guild is not None:
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self.permissions = self.channel.permissions_for(ctx.guild.me)
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else:
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self.permissions = self.channel.permissions_for(ctx.bot.user)
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if not self.permissions.embed_links:
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raise CannotPaginate('Bot does not have embed links permission.')
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if not self.permissions.send_messages:
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raise CannotPaginate('Bot cannot send messages.')
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if self.paginating:
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# verify we can actually use the pagination session
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if not self.permissions.add_reactions:
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raise CannotPaginate('Bot does not have add reactions permission.')
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if not self.permissions.read_message_history:
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raise CannotPaginate('Bot does not have Read Message History permission.')
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def get_page(self, page):
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base = (page - 1) * self.per_page
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return self.entries[base:base + self.per_page]
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async def show_page(self, page, *, first=False):
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self.current_page = page
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entries = self.get_page(page)
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p = []
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for index, entry in enumerate(entries, 1 + ((page - 1) * self.per_page)):
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p.append(f'{index}. {entry}')
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if self.maximum_pages > 1:
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if self.show_entry_count:
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text = f'Page {page}/{self.maximum_pages} ({len(self.entries)} entries)'
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else:
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text = f'Page {page}/{self.maximum_pages}'
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self.embed.set_footer(text=text)
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if not self.paginating:
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self.embed.description = '\n'.join(p)
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return await self.channel.send(embed=self.embed)
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if not first:
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self.embed.description = '\n'.join(p)
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await self.message.edit(embed=self.embed)
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return
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p.append('')
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p.append('Confused? React with \N{INFORMATION SOURCE} for more info.')
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self.embed.description = '\n'.join(p)
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self.message = await self.channel.send(embed=self.embed)
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for (reaction, _) in self.reaction_emojis:
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if self.maximum_pages == 2 and reaction in ('\u23ed', '\u23ee'):
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# no |<< or >>| buttons if we only have two pages
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# we can't forbid it if someone ends up using it but remove
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# it from the default set
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continue
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await self.message.add_reaction(reaction)
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async def checked_show_page(self, page):
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if page != 0 and page <= self.maximum_pages:
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await self.show_page(page)
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async def first_page(self):
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"""Show First Page"""
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await self.show_page(1)
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async def last_page(self):
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"""Show Last Page"""
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await self.show_page(self.maximum_pages)
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async def next_page(self):
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"""Show Next Page"""
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await self.checked_show_page(self.current_page + 1)
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async def previous_page(self):
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"""Show Previous Page"""
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await self.checked_show_page(self.current_page - 1)
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async def show_current_page(self):
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if self.paginating:
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await self.show_page(self.current_page)
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async def numbered_page(self):
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"""Go to Given Page"""
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to_delete = []
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to_delete.append(await self.channel.send('What page do you want to go to?'))
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def message_check(m):
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return m.author == self.author and \
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self.channel == m.channel and \
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m.content.isdigit()
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try:
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msg = await self.bot.wait_for('message', check=message_check, timeout=30.0)
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except asyncio.TimeoutError:
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to_delete.append(await self.channel.send('Took too long.'))
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await asyncio.sleep(5)
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else:
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page = int(msg.content)
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to_delete.append(msg)
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if page != 0 and page <= self.maximum_pages:
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await self.show_page(page)
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else:
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to_delete.append(await self.channel.send(f'Invalid page given. ({page}/{self.maximum_pages})'))
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await asyncio.sleep(5)
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try:
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await self.channel.delete_messages(to_delete)
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except Exception:
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pass
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async def show_help(self):
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"""shows this message"""
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messages = ['Welcome to the interactive paginator!\n']
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messages.append('This interactively allows you to see pages of text by navigating with ' \
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'reactions. They are as follows:\n')
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for (emoji, func) in self.reaction_emojis:
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messages.append(f'{emoji} {func.__doc__}')
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self.embed.description = '\n'.join(messages)
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self.embed.clear_fields()
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self.embed.set_footer(text=f'We were on page {self.current_page} before this message.')
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await self.message.edit(embed=self.embed)
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async def go_back_to_current_page():
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await asyncio.sleep(60.0)
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await self.show_current_page()
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self.bot.loop.create_task(go_back_to_current_page())
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async def stop_pages(self):
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"""Deletes Help Message"""
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await self.message.delete()
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self.paginating = False
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def react_check(self, reaction, user):
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if user is None or user.id != self.author.id:
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return False
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if reaction.message.id != self.message.id:
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return False
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for (emoji, func) in self.reaction_emojis:
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if reaction.emoji == emoji:
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self.match = func
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return True
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return False
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async def paginate(self):
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"""Actually paginate the entries and run the interactive loop if necessary."""
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first_page = self.show_page(1, first=True)
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if not self.paginating:
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await first_page
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else:
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# allow us to react to reactions right away if we're paginating
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self.bot.loop.create_task(first_page)
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while self.paginating:
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try:
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reaction, user = await self.bot.wait_for('reaction_add', check=self.react_check, timeout=120.0)
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except asyncio.TimeoutError:
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self.paginating = False
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try:
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await self.message.clear_reactions()
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except:
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pass
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finally:
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break
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try:
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await self.message.remove_reaction(reaction, user)
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except:
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pass # can't remove it so don't bother doing so
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await self.match()
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class FieldPages(Pages):
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"""Similar to Pages except entries should be a list of
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tuples having (key, value) to show as embed fields instead.
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"""
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async def show_page(self, page, *, first=False):
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self.current_page = page
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entries = self.get_page(page)
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self.embed.clear_fields()
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self.embed.description = discord.Embed.Empty
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for key, value in entries:
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self.embed.add_field(name=key, value=value, inline=False)
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if self.maximum_pages > 1:
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if self.show_entry_count:
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text = f'Page {page}/{self.maximum_pages} ({len(self.entries)} entries)'
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else:
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text = f'Page {page}/{self.maximum_pages}'
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self.embed.set_footer(text=text)
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if not self.paginating:
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return await self.channel.send(embed=self.embed)
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if not first:
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await self.message.edit(embed=self.embed)
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return
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self.message = await self.channel.send(embed=self.embed)
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for (reaction, _) in self.reaction_emojis:
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if self.maximum_pages == 2 and reaction in ('\u23ed', '\u23ee'):
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# no |<< or >>| buttons if we only have two pages
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# we can't forbid it if someone ends up using it but remove
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# it from the default set
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continue
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await self.message.add_reaction(reaction)
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import itertools
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import inspect
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import re
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# ?help
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# ?help Cog
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# ?help command
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# -> could be a subcommand
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_mention = re.compile(r'<@\!?([0-9]{1,19})>')
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def cleanup_prefix(bot, prefix):
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m = _mention.match(prefix)
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if m:
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user = bot.get_user(int(m.group(1)))
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if user:
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return f'@{user.name} '
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return prefix
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async def _can_run(cmd, ctx):
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try:
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return await cmd.can_run(ctx)
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except:
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return False
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def _command_signature(cmd):
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# this is modified from discord.py source
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# which I wrote myself lmao
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result = [cmd.qualified_name]
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if cmd.usage:
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result.append(cmd.usage)
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return ' '.join(result)
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params = cmd.clean_params
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if not params:
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return ' '.join(result)
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for name, param in params.items():
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if param.default is not param.empty:
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# We don't want None or '' to trigger the [name=value] case and instead it should
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# do [name] since [name=None] or [name=] are not exactly useful for the user.
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should_print = param.default if isinstance(param.default, str) else param.default is not None
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if should_print:
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result.append(f'[{name}={param.default!r}]')
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else:
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result.append(f'`[{name}]`')
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elif param.kind == param.VAR_POSITIONAL:
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result.append(f'`[{name}...]`')
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else:
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result.append(f'`<{name}>`')
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return ' '.join(result)
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class HelpPaginator(Pages):
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def __init__(self, ctx, entries, *, per_page=4):
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super().__init__(ctx, entries=entries, per_page=per_page)
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self.reaction_emojis.append(('\N{WHITE QUESTION MARK ORNAMENT}', self.show_bot_help))
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self.total = len(entries)
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@classmethod
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async def from_cog(cls, ctx, cog):
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cog_name = cog.__class__.__name__
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# get the commands
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entries = sorted(Cog.get_commands(cog), key=lambda c: c.name)
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# remove the ones we can't run
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entries = [cmd for cmd in entries if (await _can_run(cmd, ctx)) and not cmd.hidden]
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self = cls(ctx, entries)
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self.title = f'(っ◔◡◔)っ {cog_name} (っ◔◡◔)っ'
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self.description = inspect.getdoc(cog)
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self.prefix = cleanup_prefix(ctx.bot, ctx.prefix)
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return self
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@classmethod
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async def from_command(cls, ctx, command):
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try:
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entries = sorted(command.commands, key=lambda c: c.name)
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except AttributeError:
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entries = []
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else:
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entries = [cmd for cmd in entries if (await _can_run(cmd, ctx)) and not cmd.hidden]
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self = cls(ctx, entries)
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self.title = f"{command.qualified_name} `{command.signature}`"
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if command.description:
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self.description = f'{command.description}\n\n{command.help}'
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else:
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self.description = command.help or 'No help given.'
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self.prefix = cleanup_prefix(ctx.bot, ctx.prefix)
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return self
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@classmethod
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async def from_bot(cls, ctx):
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def key(c):
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return c.cog_name or '\u200bMisc'
|
|
||||||
|
|
||||||
entries = sorted(ctx.bot.commands, key=key)
|
|
||||||
nested_pages = []
|
|
||||||
per_page = 9
|
|
||||||
|
|
||||||
# 0: (cog, desc, commands) (max len == 9)
|
|
||||||
# 1: (cog, desc, commands) (max len == 9)
|
|
||||||
# ...
|
|
||||||
|
|
||||||
for cog, commands in itertools.groupby(entries, key=key):
|
|
||||||
plausible = [cmd for cmd in commands if (await _can_run(cmd, ctx)) and not cmd.hidden]
|
|
||||||
if len(plausible) == 0:
|
|
||||||
continue
|
|
||||||
|
|
||||||
description = ctx.bot.get_cog(cog)
|
|
||||||
if description is None:
|
|
||||||
description = discord.Embed.Empty
|
|
||||||
else:
|
|
||||||
description = inspect.getdoc(description) or discord.Embed.Empty
|
|
||||||
|
|
||||||
nested_pages.extend(
|
|
||||||
(cog, description, plausible[i:i + per_page]) for i in range(0, len(plausible), per_page))
|
|
||||||
|
|
||||||
self = cls(ctx, nested_pages, per_page=1) # this forces the pagination session
|
|
||||||
self.prefix = cleanup_prefix(ctx.bot, ctx.prefix)
|
|
||||||
|
|
||||||
# swap the get_page implementation with one that supports our style of pagination
|
|
||||||
self.get_page = self.get_bot_page
|
|
||||||
self._is_bot = True
|
|
||||||
|
|
||||||
# replace the actual total
|
|
||||||
self.total = sum(len(o) for _, _, o in nested_pages)
|
|
||||||
return self
|
|
||||||
|
|
||||||
def get_bot_page(self, page):
|
|
||||||
cog, description, commands = self.entries[page - 1]
|
|
||||||
self.title = f'{cog} Commands'
|
|
||||||
self.description = description
|
|
||||||
return commands
|
|
||||||
|
|
||||||
async def show_page(self, page, *, first=False):
|
|
||||||
self.current_page = page
|
|
||||||
entries = self.get_page(page)
|
|
||||||
|
|
||||||
self.embed.clear_fields()
|
|
||||||
self.embed.description = self.description
|
|
||||||
self.embed.title = self.title
|
|
||||||
|
|
||||||
self.embed.set_footer(text=f'Use "{self.prefix}help command" for more info on a command.')
|
|
||||||
|
|
||||||
signature = _command_signature
|
|
||||||
|
|
||||||
for entry in entries:
|
|
||||||
self.embed.add_field(name=signature(entry), value=entry.short_doc or "No help given", inline=False)
|
|
||||||
|
|
||||||
if self.maximum_pages:
|
|
||||||
self.embed.set_author(name=f'Page {page}/{self.maximum_pages} ({self.total} commands)')
|
|
||||||
|
|
||||||
if not self.paginating:
|
|
||||||
return await self.channel.send(embed=self.embed)
|
|
||||||
|
|
||||||
if not first:
|
|
||||||
await self.message.edit(embed=self.embed)
|
|
||||||
return
|
|
||||||
|
|
||||||
self.message = await self.channel.send(embed=self.embed)
|
|
||||||
for (reaction, _) in self.reaction_emojis:
|
|
||||||
if self.maximum_pages == 2 and reaction in ('\u23ed', '\u23ee'):
|
|
||||||
# no |<< or >>| buttons if we only have two pages
|
|
||||||
# we can't forbid it if someone ends up using it but remove
|
|
||||||
# it from the default set
|
|
||||||
continue
|
|
||||||
|
|
||||||
await self.message.add_reaction(reaction)
|
|
||||||
|
|
||||||
async def show_help(self):
|
|
||||||
"""Shows This Message"""
|
|
||||||
|
|
||||||
self.embed.title = 'Paginator help'
|
|
||||||
self.embed.description = 'Hello! Welcome to the help page.'
|
|
||||||
|
|
||||||
messages = [f'{emoji} {func.__doc__}' for emoji, func in self.reaction_emojis]
|
|
||||||
self.embed.clear_fields()
|
|
||||||
self.embed.add_field(name='What are these reactions for?', value='\n'.join(messages), inline=False)
|
|
||||||
|
|
||||||
self.embed.set_footer(text=f'We were on page {self.current_page} before this message.')
|
|
||||||
await self.message.edit(embed=self.embed)
|
|
||||||
|
|
||||||
async def go_back_to_current_page():
|
|
||||||
await asyncio.sleep(30.0)
|
|
||||||
await self.show_current_page()
|
|
||||||
|
|
||||||
self.bot.loop.create_task(go_back_to_current_page())
|
|
||||||
|
|
||||||
async def show_bot_help(self):
|
|
||||||
"""Information On The Bot"""
|
|
||||||
|
|
||||||
self.embed.title = 'Using Ensō~Chan'
|
|
||||||
self.embed.description = 'Hiya! This is the Help Page!'
|
|
||||||
self.embed.clear_fields()
|
|
||||||
|
|
||||||
entries = (
|
|
||||||
('`<argument>`', 'This means the argument is **required**.'),
|
|
||||||
('`[argument]`', 'This means the argument is **optional**.'),
|
|
||||||
('`[A|B]`', 'This means the it can be **either A or B**.'),
|
|
||||||
('`[argument...]`', 'This means you can have multiple arguments.\n' \
|
|
||||||
'Now that you know the basics, it should be noted that...\n' \
|
|
||||||
'**You do not type in the brackets!**')
|
|
||||||
)
|
|
||||||
|
|
||||||
self.embed.add_field(name='How do I use Ensō~Chan', value='Reading the signature is pretty straightforward')
|
|
||||||
|
|
||||||
for name, value in entries:
|
|
||||||
self.embed.add_field(name=name, value=value, inline=False)
|
|
||||||
|
|
||||||
self.embed.set_footer(text=f'We were on page {self.current_page} before this message.')
|
|
||||||
await self.message.edit(embed=self.embed)
|
|
||||||
|
|
||||||
async def go_back_to_current_page():
|
|
||||||
await asyncio.sleep(30.0)
|
|
||||||
await self.show_current_page()
|
|
||||||
|
|
||||||
self.bot.loop.create_task(go_back_to_current_page())
|
|
||||||
Loading…
Reference in New Issue