src/python/query_yes_no.py

   1 import sys
   2 from external.inputimeout import inputimeout, TimeoutOccurred
   3
   4
   5 def query_yes_no(question='') -> bool: #https://code.activestate.com/recipes/577058/
   6     """Ask a yes/no question via raw_input() and return their answer.
   7     "question" is a string that is presented to the user.
   8     The "answer" return value is True for "yes" or False for "no".
   9     """
  10     # Always return false if not in an interactive shell
  11     if not sys.stdin.isatty():
  12         return False
  13
  14     valid = {"yes": True, "y": True, "ye": True, "no": False, "n": False}
  15
  16     while True:
  17         choice = ''
  18         try:
  19             choice = inputimeout(prompt=question, timeout=5)
  20         except TimeoutOccurred:
  21             sys.stdout.write("Please respond with 'yes' or 'no' (or 'y' or 'n')")
  22             sys.stdout.flush()
  23
  24         if choice in valid:
  25             return valid[choice]