48 lines
2.0 KiB
Python
48 lines
2.0 KiB
Python
import os
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from tempfile import TemporaryDirectory
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from time import sleep
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from PIL import Image
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from django.db import models
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from telegram import Update
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from telegram.ext import Dispatcher, CallbackContext, MessageHandler, Filters, CommandHandler
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from bots.models import TelegramBotModuleConfig
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class OverlayBotModuleConfig(TelegramBotModuleConfig):
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start_text = models.TextField(null=True, blank=True)
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type_error_text = models.TextField(null=True, blank=True)
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comment = models.TextField(blank=True, null=True)
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image = models.ImageField()
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MODULE_NAME = 'Overlay'
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def start_handler(self, update: Update, ctx: CallbackContext):
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if self.start_text:
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update.effective_message.reply_text(self.start_text)
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def message_handler(self, update: Update, ctx: CallbackContext):
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if self.type_error_text:
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update.effective_message.reply_text(self.type_error_text)
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def photo_handler(self, update: Update, ctx: CallbackContext):
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with TemporaryDirectory() as d:
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src = os.path.join(d, 'src.jpg')
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out = os.path.join(d, 'out.png')
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q = update.effective_message.photo[-1].get_file().download(src)
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im = Image.open(q).convert('RGBA') # type: Image.Image
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overlay = Image.open(self.image.path).convert('RGBA') # type: Image.Image
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w, h = im.size
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min_side = min(w, h)
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overlay = overlay.resize((min_side, min_side), Image.LANCZOS)
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im.paste(overlay, ((w - min_side) // 2, (h - min_side) // 2), overlay)
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im.save(out)
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update.effective_message.reply_photo(open(out, 'rb'), caption=self.comment)
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def build_dispatcher(self, dispatcher: Dispatcher):
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dispatcher.add_handler(CommandHandler('start', self.start_handler))
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dispatcher.add_handler(MessageHandler(Filters.photo, self.photo_handler))
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dispatcher.add_handler(MessageHandler(Filters.all, self.message_handler))
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return dispatcher
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