def guarantee_at_most_one_or_retire(decks: List[Deck]) -> Optional[Deck]:
try:
run = guarantee.at_most_one(decks)
except TooManyItemsException:
league.retire_deck(decks[0])
run = decks[1]
return run
def maybe_load_person_by_mtggoldfish_name(username: str) -> Optional[Person]:
return guarantee.at_most_one(
load_people('p.mtggoldfish_username = {username}'.format(
username=sqlescape(username))))
def maybe_load_person_by_discord_id(
discord_id: Optional[int]) -> Optional[Person]:
if discord_id is None:
return None
return guarantee.at_most_one(load_people(f'p.discord_id = {discord_id}'))
def load_person_by_tappedout_name(username: str) -> Optional[Person]:
return guarantee.at_most_one(
load_people('p.tappedout_username = {username}'.format(
username=sqlescape(username))))
def load_person_by_discord_id(discord_id: Optional[int]) -> Optional[Person]:
if discord_id is None:
return None
return guarantee.at_most_one(
load_people('p.discord_id = {discord_id}'.format(
discord_id=sqlescape(discord_id))))
