def make_new_poll_command(instance, player, arguments):
""" Make a new poll.
Args:
instance: The game instance to add the poll to.
player: The email of the player creating the poll.
arguments: A two item list containing the question and a
second list of 2-5 options.
Returns:
Returns a list with information about the poll just created.
See get_poll_return_list for its format.
Raises:
ValueError if the player is not in the instance.
"""
instance.check_player(player)
if not arguments[0]:
raise ValueError('Question cannot be empty')
size = len(arguments[1])
if size < 2 or size > 5:
raise ValueError('Incorrect number of options for poll. ' +
'Must be between two and five.')
poll = Message(parent = instance, sender = player,
msg_type = 'poll', recipient = '')
poll.put()
arguments.append(poll.key().id())
poll.content = simplejson.dumps(arguments)
poll.votes = [0] * size
poll.open = True
poll.voters = ['']
poll.put()
return get_poll_return_list(poll)
