anki/pylib/anki/cards.py
2021-03-27 21:46:49 +10:00

219 lines
6.5 KiB
Python

# Copyright: Ankitects Pty Ltd and contributors
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
from __future__ import annotations
import pprint
import time
from typing import List, NewType, Optional
import anki # pylint: disable=unused-import
import anki._backend.backend_pb2 as _pb
from anki import hooks
from anki.consts import *
from anki.models import NotetypeDict, TemplateDict
from anki.notes import Note
from anki.sound import AVTag
# Cards
##########################################################################
# Type: 0=new, 1=learning, 2=due
# Queue: same as above, and:
# -1=suspended, -2=user buried, -3=sched buried
# Due is used differently for different queues.
# - new queue: note id or random int
# - rev queue: integer day
# - lrn queue: integer timestamp
# types
CardId = NewType("CardId", int)
class Card:
_note: Optional[Note]
timerStarted: Optional[float]
lastIvl: int
ord: int
nid: anki.notes.NoteId
id: CardId
did: anki.decks.DeckId
odid: anki.decks.DeckId
queue: CardQueue
type: CardType
def __init__(
self, col: anki.collection.Collection, id: Optional[CardId] = None
) -> None:
self.col = col.weakref()
self.timerStarted = None
self._render_output: Optional[anki.template.TemplateRenderOutput] = None
if id:
# existing card
self.id = id
self.load()
else:
# new card with defaults
self._load_from_backend_card(_pb.Card())
def load(self) -> None:
c = self.col._backend.get_card(self.id)
assert c
self._load_from_backend_card(c)
def _load_from_backend_card(self, c: _pb.Card) -> None:
self._render_output = None
self._note = None
self.id = CardId(c.id)
self.nid = anki.notes.NoteId(c.note_id)
self.did = anki.decks.DeckId(c.deck_id)
self.ord = c.template_idx
self.mod = c.mtime_secs
self.usn = c.usn
self.type = CardType(c.ctype)
self.queue = CardQueue(c.queue)
self.due = c.due
self.ivl = c.interval
self.factor = c.ease_factor
self.reps = c.reps
self.lapses = c.lapses
self.left = c.remaining_steps
self.odue = c.original_due
self.odid = anki.decks.DeckId(c.original_deck_id)
self.flags = c.flags
self.data = c.data
def _to_backend_card(self) -> _pb.Card:
# mtime & usn are set by backend
return _pb.Card(
id=self.id,
note_id=self.nid,
deck_id=self.did,
template_idx=self.ord,
ctype=self.type,
queue=self.queue,
due=self.due,
interval=self.ivl,
ease_factor=self.factor,
reps=self.reps,
lapses=self.lapses,
remaining_steps=self.left,
original_due=self.odue,
original_deck_id=self.odid,
flags=self.flags,
data=self.data,
)
def flush(self) -> None:
hooks.card_will_flush(self)
if self.id != 0:
self.col._backend.update_card(
card=self._to_backend_card(), skip_undo_entry=True
)
else:
raise Exception("card.flush() expects an existing card")
def question(self, reload: bool = False, browser: bool = False) -> str:
return self.render_output(reload, browser).question_and_style()
def answer(self) -> str:
return self.render_output().answer_and_style()
def question_av_tags(self) -> List[AVTag]:
return self.render_output().question_av_tags
def answer_av_tags(self) -> List[AVTag]:
return self.render_output().answer_av_tags
# legacy
def css(self) -> str:
return f"<style>{self.render_output().css}</style>"
def render_output(
self, reload: bool = False, browser: bool = False
) -> anki.template.TemplateRenderOutput:
if not self._render_output or reload:
self._render_output = (
anki.template.TemplateRenderContext.from_existing_card(
self, browser
).render()
)
return self._render_output
def set_render_output(self, output: anki.template.TemplateRenderOutput) -> None:
self._render_output = output
def note(self, reload: bool = False) -> Note:
if not self._note or reload:
self._note = self.col.get_note(self.nid)
return self._note
def note_type(self) -> NotetypeDict:
return self.col.models.get(self.note().mid)
# legacy aliases
flushSched = flush
q = question
a = answer
model = note_type
def template(self) -> TemplateDict:
m = self.model()
if m["type"] == MODEL_STD:
return self.model()["tmpls"][self.ord]
else:
return self.model()["tmpls"][0]
def startTimer(self) -> None:
self.timerStarted = time.time()
def current_deck_id(self) -> anki.decks.DeckId:
return anki.decks.DeckId(self.odid or self.did)
def timeLimit(self) -> int:
"Time limit for answering in milliseconds."
conf = self.col.decks.confForDid(self.current_deck_id())
return conf["maxTaken"] * 1000
def shouldShowTimer(self) -> bool:
conf = self.col.decks.confForDid(self.current_deck_id())
return conf["timer"]
def replay_question_audio_on_answer_side(self) -> bool:
conf = self.col.decks.confForDid(self.current_deck_id())
return conf.get("replayq", True)
def autoplay(self) -> bool:
return self.col.decks.confForDid(self.current_deck_id())["autoplay"]
def timeTaken(self) -> int:
"Time taken to answer card, in integer MS."
total = int((time.time() - self.timerStarted) * 1000)
return min(total, self.timeLimit())
# legacy
def isEmpty(self) -> bool:
return False
def __repr__(self) -> str:
d = dict(self.__dict__)
# remove non-useful elements
del d["_note"]
del d["_render_output"]
del d["col"]
del d["timerStarted"]
return f"{super().__repr__()} {pprint.pformat(d, width=300)}"
def user_flag(self) -> int:
return self.flags & 0b111
def set_user_flag(self, flag: int) -> None:
print("use col.set_user_flag_for_cards() instead")
assert 0 <= flag <= 4
self.flags = (self.flags & ~0b111) | flag
# legacy
userFlag = user_flag
setUserFlag = set_user_flag