1 files changed, 134 insertions, 0 deletions
diff --git a/bot/exts/fun/uwu.py b/bot/exts/fun/uwu.py
new file mode 100644
index 00000000..44285ae9
--- /dev/null
+++ b/bot/exts/fun/uwu.py
@@ -0,0 +1,134 @@
+import random
+import re
+from functools import partial
+
+from discord.ext import commands
+from discord.ext.commands import Cog, Context, clean_content
+
+from bot.bot import Bot
+from bot.utils import helpers
+
+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"
+
+
+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 _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)
+        return input_string
+
+    @commands.command(name="uwu", aliases=("uwuwize", "uwuify",))
+    async def uwu_command(self, ctx: Context, *, text: clean_content(fix_channel_mentions=True)) -> 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 (fun_cog := ctx.bot.get_cog("Fun")):
+            text, embed = await fun_cog._get_text_and_embed(ctx, text)
+
+            # Grabs the text from the embed for uwuification.
+            if embed is not None:
+                embed = fun_cog._convert_embed(self._uwuify, embed)
+        else:
+            embed = None
+        converted_text = self._uwuify(text)
+        converted_text = helpers.suppress_links(converted_text)
+
+        # Adds the text harvested from an embed to be put into another quote block.
+        converted_text = f">>> {converted_text.lstrip('> ')}"
+        await ctx.send(content=converted_text, embed=embed)
+
+
+def setup(bot: Bot) -> None:
+    """Load the uwu cog."""
+    bot.add_cog(Uwu(bot))