add Holiday Reminder

reminder.py

@@ -0,0 +1,47 @@
+import schedule
+import time
+from threading import Thread
+from datetime import datetime as dt
+from config import bot
+import csv
+from dotenv import load_dotenv
+
+from config import PYTHONCHATRU
+# https://core.telegram.org/bots/api Telegram Bot API
+
+dotenv_path = '.env'
+load_dotenv(dotenv_path)
+
+with open('holidays.csv', newline='', encoding='utf-8') as holidays_file:
+    holidays = tuple(csv.reader(holidays_file))
+
+
+def scheduler():
+    while True:
+        schedule.run_pending()
+        time.sleep(20)
+
+
+def remind():
+    """ Remind holiday. """
+    today = dt.today()
+    for entry in holidays[1:]:
+        date, holiday, description = entry
+        if len(date) == 5 \
+                and today.month == dt.strptime(date, "%m-%d").month \
+                and today.day == dt.strptime(date, "%m-%d").day:
+            notification = f'🎉💻 Сегодня {dt.strptime(date, "%m-%d"):%d.%m}, <b><u>{holiday.upper()}</u></b>! \
+                                    \n\n{description}.'
+            bot.send_message(PYTHONCHATRU, notification, parse_mode='HTML')  # PYTHONCHATRU
+        elif len(date) == 10 \
+                and today.month == dt.strptime(date, "%Y-%m-%d").month \
+                and today.day == dt.strptime(date, "%Y-%m-%d").day:
+            age = today.year - dt.strptime(date, "%Y-%m-%d").year
+            notification = f'🎉💻 Сегодня {dt.strptime(date, "%Y-%m-%d"):%d.%m}, <b><u>{holiday.upper()}</u></b>! \
+                                             \n\n{description}.\n<i>{age} годовщина</i>'
+            bot.send_message(PYTHONCHATRU, notification, parse_mode='HTML')  # PYTHONCHATRU
+
+
+schedule.every().day.at('08:00').do(remind)
+Thread(target=scheduler).start()
+