working version

Author: egor-bystepdev

bot/Dockerfile

@@ -1,10 +1,17 @@
-FROM python:3.8
+FROM ubuntu:18.04
 
+RUN mkdir /usr/src/app
 WORKDIR /usr/src/app
 
-COPY requirements.txt ./
-RUN pip install --no-cache-dir -r requirements.txt
+RUN apt-get update && apt-get install -y software-properties-common
+RUN apt-get update && apt-get install -y tesseract-ocr-all 
+RUN apt-get update && apt-get install -y python3
+RUN apt-get update && apt-get install -y python3-pip
+RUN python3 -m pip install --upgrade pip
+RUN pip3 install Pillow
 
+COPY requirements.txt ./
+RUN pip3 install --no-cache-dir -r requirements.txt
 COPY . .
 
-CMD [ "python", "./main.py" ]
+CMD ["python3", "main.py"]

bot/images/photo.jpg

@@ -1,18 +1,59 @@
-from telegram.ext import Updater, CommandHandler
+from telegram import Update
+from telegram.ext import Updater, CommandHandler, MessageHandler, Filters, CallbackContext
+import pytesseract
 import os
+from PIL import Image
+import logging
+import traceback
 
+pytesseract.pytesseract.tesseract_cmd = '/usr/bin/tesseract' # ваш путь до tesseract
 
-def printreply(update, context) -> None:
-    update.message.reply_text("Привет, как жизнь?")
+
+def get_text_from_image(path):
+    logging.info("getting image")
+    img = Image.open(path)
+    logging.info("image opened")
+    return pytesseract.image_to_string(img, lang="rus+eng",timeout=30)
+
+def echo_photo(update: Update, context: CallbackContext) -> None:
+    print(update.message.photo)
+    lst = update.message.photo
+    logging.info("photo_size : " + str(len(lst)))
+    result = "Что-то пошло не так, попробуйте позже"
+    try:
+        path = "images/photo.jpg"
+        lst[-1].get_file().download(path, timeout=5);
+        logging.info("download ok")
+        result = get_text_from_image(path)
+        logging.info("getting text ok")
+    except Exception as e:
+        logging.error(traceback.format_exc())
+    try:
+        update.message.reply_text(result)
+    except Exception as e:
+        update.message.reply_text("Текст не определен")
+    
+
+def echo_no_photo(update: Update, context: CallbackContext) -> None:
+    update.message.reply_text("Это не фото")
+
+def help(update: Update, context: CallbackContext) -> None:
+    update.message.reply_text("Пришлите фотографию, текст с которой вам нужен")
 
 
 def main():
     updater = Updater(os.environ["MYFIRSTTGBOT"])
     dp = updater.dispatcher
-    dp.add_handler(CommandHandler("hello", printreply))
+    dp.add_handler(CommandHandler("start", help))
+    dp.add_handler(CommandHandler("help", help))
+    dp.add_handler(MessageHandler(Filters.photo & ~Filters.command, echo_photo))
+    dp.add_handler(MessageHandler(~Filters.photo & ~Filters.command, echo_no_photo))
     updater.start_polling()
     updater.idle()
 
 
 if __name__ == "__main__":
     main()
+
+
+#/usr/src/app

bot/main.py

@@ -1 +1,2 @@
+pytesseract
 python-telegram-bot