Added callback param to post()

fedibot.py

@@ -195,17 +195,17 @@ class YandereBot:
 	# popping it at index 0. This should handle any error that might occur while posting.
 	#
 	# This function should return 'None' if a post failed, and the picked item from self.listPictures if it succeeded.
-	def post(self):
+	def post(self, callback=None):
 		# Post
-		picked = self.pick()
-		self._post(picked)
+		_picked = callback() if callable(callback) else self.pick()
+		self._post(_picked)
 
 		# After a successful post
 		self.currentSessionCount += 1
 		self.consecutive_failed_uploads = 0
 
 		# The post was successful
-		return picked
+		return _picked
 
 	# [BEGIN THE PROGRAM]
 	def prime_bot(self):