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--- python_wiki:main_program_loop [2015/03/09 23:26]
billdozor
+++ python_wiki:main_program_loop [2019/05/25 23:50]
@@ Line 1: / Line 1: @@
-====== Main Program Loop ======
-**General Information**
-This is an example of a main program loop, wrapped in a try command to catch keyboard interrupts.
-**Checklist**
-  * Modules required: signal (keyboard interrupts)
-----
-===== The Code =====
-<code python>
-import signal
-def main():
-# Main program loop: Until quit is detected, ask user what to do
-  while True:
-    # Display Main Menu and get user input
-    # wrap the "try" command to prevent a ctrl+c to break out of the program
-    try:
-      menu_choice = main_menu()
-      if menu_choice == "quit":
-        # Quit from main menu.
-	print("Quitting program...")
-	break
-      else:
-	# Send Menu Choice to run_program
-	run_program(menu_choice)
-	continue
-    #trap keyboard interrupts (control+c), quit clean only
-    except (KeyboardInterrupt):
-      input("\nPlease quit by entering 'q' or 'quit'! [Enter] to continue:")
-      continue
-  # END OF WHILE LOOP
-  return 0
-## End of main() ##
-</code>