fixed scheduler

run.py

@@ -7,9 +7,19 @@ from os.path import exists
 import sys
 import datetime
 from apscheduler.schedulers.blocking import BlockingScheduler
+import logging
+from prawcore import NotFound
+
+def sub_exists(sub):
+    exists = True
+    try:
+        reddit.subreddits.search_by_name(sub, exact=True)
+    except NotFound:
+        exists = False
+    return exists
 
 def test(text):
-    print(f'It is working {text}')
+    print(f'It is working {text}. Please press CTRL+C to close the script!')
 
 def e():
     title = input('What will be the title of your post? ')
@@ -22,6 +32,8 @@ def e():
 
 def s():
     subreddit = input('Please type in the subbreddits\' name without \'r/\': ')
+    while not sub_exists(subreddit):
+        subreddit = input('This subreddit doesn\'t exists. Please try another one: ')
     return subreddit
 
 def t():
@@ -44,7 +56,7 @@ def l():
 
 def post(title, body, subreddit):
     reddit.subreddit(subreddit).submit(title, selftext=body)
-    sys.exit(f'Succesfully posted your text to r/{subreddit}. Thank you for using my script!')
+    # sys.exit(f'Succesfully posted your text to r/{subreddit}. Thank you for using my script!')
 
 def authenticate(password, user):
     return praw.Reddit(client_id='iGx0qS8p1vxccA'
@@ -128,7 +140,11 @@ print('Please don\'t exit the script until the scheduled time because in that ca
 
 sched = BlockingScheduler()
 sched.add_job(test, 'date', run_date=date_to_post, args=['text'])
-sched.start()
+
+try:
+    sched.start()
+except (KeyboardInterrupt):
+    logging.debug('The script has been closed. Thank you for using!')
 
 # schedule.every().monday.at("17:12").do(uzenet)