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[Utils] Finish and Refactor Predicate Utility (#2169)

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* Uses classmethods to create predicates
* Classmethods allow using a combination of different parameters to describe context
* Some predicates assign a captured `result` to the predicate object on success
* Added `ReactionPredicate` equivalent to `MessagePredicate`
* Added `utils.menus.start_adding_reactions`, a non-blocking method for adding reactions asynchronously
* Added documentation
* Uses these new utils throughout the core bot
Happened to also find some bugs in places, and places where we were waiting for events without catching `asyncio.TimeoutError`

Signed-off-by: Toby Harradine <tobyharradine@gmail.com>
This commit is contained in:
Toby Harradine
2018-10-06 08:07:09 +10:00
committed by GitHub
parent 5d44bfabed
commit dea9dde637
15 changed files with 1229 additions and 320 deletions
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15
redbot/cogs/warnings/helpers.py
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@@ -5,6 +5,7 @@ import discord
from redbot.core import Config, checks, commands
from redbot.core.i18n import Translator
from redbot.core.utils.predicates import MessagePredicate
_ = Translator("Warnings", __file__)
@@ -95,11 +96,10 @@ async def get_command_for_exceeded_points(ctx: commands.Context):
await ctx.send(_("You may enter your response now."))
def same_author_check(m):
return m.author == ctx.author
try:
msg = await ctx.bot.wait_for("message", check=same_author_check, timeout=30)
msg = await ctx.bot.wait_for(
"message", check=MessagePredicate.same_context(ctx), timeout=30
)
except asyncio.TimeoutError:
return None
else:
@@ -140,11 +140,10 @@ async def get_command_for_dropping_points(ctx: commands.Context):
await ctx.send(_("You may enter your response now."))
def same_author_check(m):
return m.author == ctx.author
try:
msg = await ctx.bot.wait_for("message", check=same_author_check, timeout=30)
msg = await ctx.bot.wait_for(
"message", check=MessagePredicate.same_context(ctx), timeout=30
)
except asyncio.TimeoutError:
return None
else: