Script to sort the wanikani deck by level, radical, kanji, and vocab.

sort_cards.py

import os
from typing import List
from anki.storage import Collection

# the deck: https://ankiweb.net/shared/info/2072613354

# TODO replace YOUR_USER_NAME
col = Collection('/Users/{YOUR_USER_NAME}/Library/Application Support/Anki2/User 1/collection.anki2')

deck_id = col.decks.id('WaniKani')
deck = col.decks.get(deck_id)
cards = col.find_cards("deck:WaniKani")

def find_level(tags: List[str]):
    level = ""
    typ = 0
    for tag in tags:
        if 'level' in tag:
            level = tag
        elif tag == 'radical':
            typ = 0
        elif tag == 'kanji':
            typ = 1
        elif tag == 'vocab':
            typ = 2
        else:
            raise RuntimeError("fu")
    return level, typ

cards.sort(key= lambda card_id: find_level(col.get_card(card_id).note().tags))

for i, card_id in enumerate(cards):
    card = col.get_card(card_id)
    card.due = i
    col.update_card(card)

col.decks.save(deck)
col.close()