Get the Facility and Severity numbers out of the Priority value in syslog.

parser.py

def parse_pri(digits):
	if isinstance(digits, str):
		if not digits.isdigit():
			raise ValueError("String is not digits")
		else:
			digits = int(digits)
	if not isinstance(digits, int):
		raise ValueError("Could not convert digit value. Must be int or str")
	
	return (digits/8, digits%8)