Added skeleton REPL

validate.py

@@ -0,0 +1,39 @@
+#!/usr/bin/python
+
+import sys
+from datetime import datetime
+
+def timestamped(s):
+	"""
+	Prepends a timestamp to a string.
+	"""
+	return "[{:%Y-%m-%d %H:%M:%S}] {}".format(datetime.now(), s)
+
+def read_loop():
+	"""
+	Simple REPL skeleton for validating scanned IDs.
+	"""
+	# Open the log file in append mode
+	log_file = open("./access.log", "a")
+	log_file.write(timestamped("=== Door security initiated ===\n"))
+
+	# Begin the loop
+	while True:
+		# TODO: Read in the ID
+		
+		# TODO: Check if the ID is authorized
+		authorized = False
+
+		# If the user is not authorized, deny access
+		if input not in authorized:
+			s = timestamped("##### denied\n")
+			log_file.write(s)
+		# If the user is authorized, perform the unlock procedure
+		else:
+			s = timestamped("##### <Username> validated")
+			log_file.write(s)
+			# TODO: Play open tone
+			# TODO: Run unlock procedure
+
+if __name__ == "__main__":
+	read_loop()