deepfryer.py

# Copyright (C) 2019 The Raphielscape Company LLC.
#
# Licensed under the Raphielscape Public License, Version 1.c (the "License");
# you may not use this file except in compliance with the License.
#

# Original source for the deepfrying code (used under the following license): https://github.com/Ovyerus/deeppyer

# MIT License
#
# Copyright (c) 2017 Ovyerus
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
""" Userbot module for frying stuff. """

import io
from random import randint, uniform

from PIL import Image, ImageEnhance, ImageOps
from telethon.tl.types import DocumentAttributeFilename

from .. import loader


class DeepfryerMod(loader.Module):
    """Module for frying images/stickers"""
    strings = {"name": "Deepfryer"}

    async def deepfrycmd(self, message):
        """Deepfries an image or sticker, optional fry pass count."""
        try:
            frycount = int(message.text.lstrip("deepfry"))
            if frycount < 1:
                raise ValueError
        except ValueError:
            frycount = 1

        if message.is_reply:
            reply_message = await message.get_reply_message()
            data = await self._check_media(reply_message)

            if isinstance(data, bool):
                await message.edit("<code>I can't deep fry that!</code>")
                return
        else:
            await message.edit("<code>Reply to an image or sticker to deep fry it!</code>")
            return

        # download last photo (highres) as byte array
        await message.edit("<code>Downloading media…</code>")
        image = io.BytesIO()
        await message.client.download_media(data, image)
        image = Image.open(image)

        # fry the image
        await message.edit("<code>Deep frying media…</code>")
        for _ in range(frycount):
            image = await self._deepfry(image)

        fried_io = io.BytesIO()
        fried_io.name = "image.jpeg"
        image.save(fried_io, "JPEG")
        fried_io.seek(0)

        await message.edit("<code>Deep frying complete.</code>")
        await message.reply(file=fried_io)

    async def _deepfry(self, img):
        colours = (
            (randint(50, 200), randint(40, 170), randint(40, 190)),
            (randint(190, 255), randint(170, 240), randint(180, 250))
        )

        img = img.copy().convert("RGB")

        # Crush image to hell and back
        img = img.convert("RGB")
        width, height = img.width, img.height
        img = img.resize((int(width ** uniform(0.8, 0.9)), int(height ** uniform(0.8, 0.9))), resample=Image.LANCZOS)
        img = img.resize((int(width ** uniform(0.85, 0.95)), int(height ** uniform(0.85, 0.95))), resample=Image.BILINEAR)
        img = img.resize((int(width ** uniform(0.89, 0.98)), int(height ** uniform(0.89, 0.98))), resample=Image.BICUBIC)
        img = img.resize((width, height), resample=Image.BICUBIC)
        img = ImageOps.posterize(img, randint(3, 7))

        # Generate colour overlay
        overlay = img.split()[0]
        overlay = ImageEnhance.Contrast(overlay).enhance(uniform(1.0, 2.0))
        overlay = ImageEnhance.Brightness(overlay).enhance(uniform(1.0, 2.0))

        overlay = ImageOps.colorize(overlay, colours[0], colours[1])

        # Overlay red and yellow onto main image and sharpen the hell out of it
        img = Image.blend(img, overlay, uniform(0.1, 0.4))
        img = ImageEnhance.Sharpness(img).enhance(randint(5, 300))

        return img

    async def _check_media(self, reply_message):
        if reply_message and reply_message.media:
            if reply_message.photo:
                data = reply_message.photo
            elif reply_message.document:
                if DocumentAttributeFilename(file_name='AnimatedSticker.tgs') in reply_message.media.document.attributes:
                    return False
                if reply_message.gif or reply_message.video or reply_message.audio or reply_message.voice:
                    return False
                data = reply_message.media.document
            else:
                return False
        else:
            return False

        if not data or data is None:
            return False
        else:
            return data