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import random
import re
import typing as t
from dataclasses import dataclass
from functools import partial
import discord
from discord.ext import commands
from discord.ext.commands import Cog, Context, clean_content
from bot.bot import Bot
from bot.utils import helpers, messages
WORD_REPLACE = {
"small": "smol",
"cute": "kawaii~",
"fluff": "floof",
"love": "luv",
"stupid": "baka",
"idiot": "baka",
"what": "nani",
"meow": "nya~",
"roar": "rawrr~",
}
EMOJIS = [
"rawr x3",
"OwO",
"UwU",
"o.O",
"-.-",
">w<",
"σωσ",
"òωó",
"ʘwʘ",
":3",
"XD",
"nyaa~~",
"mya",
">_<",
"rawr",
"uwu",
"^^",
"^^;;",
]
REGEX_WORD_REPLACE = re.compile(r"(?<!w)[lr](?!w)")
REGEX_PUNCTUATION = re.compile(r"[.!?\r\n\t]")
REGEX_STUTTER = re.compile(r"(\s)([a-zA-Z])")
SUBSTITUTE_STUTTER = r"\g<1>\g<2>-\g<2>"
REGEX_NYA = re.compile(r"n([aeou][^aeiou])")
SUBSTITUTE_NYA = r"ny\1"
REGEX_EMOJI = re.compile(r"<(a)?:(\w+?):(\d{15,21}?)>", re.ASCII)
@dataclass(frozen=True, eq=True)
class Emoji:
"""Data class for an Emoji."""
name: str
uid: int
animated: bool = False
def __str__(self):
anim_bit = "a" if self.animated else ""
return f"<{anim_bit}:{self.name}:{self.uid}>"
def can_display(self, bot: Bot) -> bool:
"""Determines if a bot is in a server with the emoji."""
return bot.get_emoji(self.uid) is not None
@classmethod
def from_match(cls, match: tuple[str, str, str]) -> t.Optional["Emoji"]:
"""Creates an Emoji from a regex match tuple."""
if not match or len(match) != 3 or not match[2].isdecimal():
return None
return cls(match[1], int(match[2]), match[0] == "a")
class Uwu(Cog):
"""Cog for the uwu command."""
def __init__(self, bot: Bot):
self.bot = bot
def _word_replace(self, input_string: str) -> str:
"""Replaces words that are keys in the word replacement hash to the values specified."""
for word, replacement in WORD_REPLACE.items():
input_string = input_string.replace(word, replacement)
return input_string
def _char_replace(self, input_string: str) -> str:
"""Replace certain characters with 'w'."""
return REGEX_WORD_REPLACE.sub("w", input_string)
def _stutter(self, strength: float, input_string: str) -> str:
"""Adds stuttering to a string."""
return REGEX_STUTTER.sub(partial(self._stutter_replace, strength=strength), input_string, 0)
def _stutter_replace(self, match: re.Match, strength: float = 0.0) -> str:
"""Replaces a single character with a stuttered character."""
match_string = match.group()
if random.random() < strength:
return f"{match_string}-{match_string[-1]}" # Stutter the last character
return match_string
def _nyaify(self, input_string: str) -> str:
"""Nyaifies a string by adding a 'y' between an 'n' and a vowel."""
return REGEX_NYA.sub(SUBSTITUTE_NYA, input_string, 0)
def _emoji(self, strength: float, input_string: str) -> str:
"""Replaces some punctuation with emoticons."""
return REGEX_PUNCTUATION.sub(partial(self._emoji_replace, strength=strength), input_string, 0)
def _emoji_replace(self, match: re.Match, strength: float = 0.0) -> str:
"""Replaces a punctuation character with an emoticon."""
match_string = match.group()
if random.random() < strength:
return f" {random.choice(EMOJIS)} "
return match_string
def _ext_emoji_replace(self, input_string: str) -> str:
"""Replaces any emoji the bot cannot send in input_text with a random emoticons."""
groups = REGEX_EMOJI.findall(input_string)
emojis = {Emoji.from_match(match) for match in groups}
# Replace with random emoticon if unable to display
emojis_map = {
re.escape(str(e)): random.choice(EMOJIS)
for e in emojis if e and not e.can_display(self.bot)
}
if emojis_map:
# Pattern for all emoji markdowns to be replaced
emojis_re = re.compile("|".join(emojis_map.keys()))
# Replace matches with random emoticon
return emojis_re.sub(
lambda m: emojis_map[re.escape(m.group())],
input_string
)
# Return original if no replacement
return input_string
def _uwuify(self, input_string: str, *, stutter_strength: float = 0.2, emoji_strength: float = 0.1) -> str:
"""Takes a string and returns an uwuified version of it."""
input_string = input_string.lower()
input_string = self._word_replace(input_string)
input_string = self._nyaify(input_string)
input_string = self._char_replace(input_string)
input_string = self._stutter(stutter_strength, input_string)
input_string = self._emoji(emoji_strength, input_string)
input_string = self._ext_emoji_replace(input_string)
return input_string
@commands.command(name="uwu", aliases=("uwuwize", "uwuify",))
async def uwu_command(self, ctx: Context, *, text: str | None = None) -> None:
"""
Echo an uwuified version the passed text.
Example:
'.uwu Hello, my name is John' returns something like
'hewwo, m-my name is j-john nyaa~'.
"""
# If `text` isn't provided then we try to get message content of a replied message
text = text or getattr(ctx.message.reference, "resolved", None)
if isinstance(text, discord.Message):
embeds = text.embeds
text = text.content
else:
embeds = None
if text is None:
# If we weren't able to get the content of a replied message
raise commands.UserInputError("Your message must have content or you must reply to a message.")
await clean_content(fix_channel_mentions=True).convert(ctx, text)
# Grabs the text from the embed for uwuification
if embeds:
embed = messages.convert_embed(self._uwuify, embeds[0])
else:
# Parse potential message links in text
text, embed = await messages.get_text_and_embed(ctx, text)
# If an embed is found, grab and uwuify its text
if embed:
embed = messages.convert_embed(self._uwuify, embed)
# Adds the text harvested from an embed to be put into another quote block.
if text:
converted_text = self._uwuify(text)
converted_text = helpers.suppress_links(converted_text)
converted_text = f">>> {converted_text.lstrip('> ')}"
else:
converted_text = None
await ctx.send(content=converted_text, embed=embed)
async def setup(bot: Bot) -> None:
"""Load the uwu cog."""
await bot.add_cog(Uwu(bot))
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