794 lines
25 KiB
Python
794 lines
25 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright: Damien Elmes <anki@ichi2.net>
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# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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import difflib
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import re
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import cgi
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import unicodedata as ucd
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import html.parser
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from anki.lang import _, ngettext
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from aqt.qt import *
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from anki.utils import stripHTML, json
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from anki.hooks import addHook, runHook
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from anki.sound import playFromText, clearAudioQueue, play
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from aqt.utils import mungeQA, tooltip, askUserDialog, \
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downArrow
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from aqt.sound import getAudio
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import aqt
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class Reviewer:
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"Manage reviews. Maintains a separate state."
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def __init__(self, mw):
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self.mw = mw
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self.web = mw.web
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self.card = None
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self.cardQueue = []
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self.hadCardQueue = False
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self._answeredIds = []
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self._recordedAudio = None
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self.typeCorrect = None # web init happens before this is set
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self.state = None
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self.bottom = aqt.toolbar.BottomBar(mw, mw.bottomWeb)
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addHook("leech", self.onLeech)
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def show(self):
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self.mw.col.reset()
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self.web.resetHandlers()
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self.mw.setStateShortcuts(self._shortcutKeys())
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self.web.onBridgeCmd = self._linkHandler
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self.bottom.web.onBridgeCmd = self._linkHandler
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self._reps = None
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self.nextCard()
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def lastCard(self):
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if self._answeredIds:
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if not self.card or self._answeredIds[-1] != self.card.id:
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try:
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return self.mw.col.getCard(self._answeredIds[-1])
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except TypeError:
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# id was deleted
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return
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def cleanup(self):
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runHook("reviewCleanup")
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# Fetching a card
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##########################################################################
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def nextCard(self):
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elapsed = self.mw.col.timeboxReached()
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if elapsed:
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part1 = ngettext("%d card studied in", "%d cards studied in", elapsed[1]) % elapsed[1]
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mins = int(round(elapsed[0]/60))
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part2 = ngettext("%s minute.", "%s minutes.", mins) % mins
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fin = _("Finish")
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diag = askUserDialog("%s %s" % (part1, part2),
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[_("Continue"), fin])
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diag.setIcon(QMessageBox.Information)
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if diag.run() == fin:
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return self.mw.moveToState("deckBrowser")
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self.mw.col.startTimebox()
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if self.cardQueue:
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# undone/edited cards to show
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c = self.cardQueue.pop()
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c.startTimer()
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self.hadCardQueue = True
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else:
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if self.hadCardQueue:
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# the undone/edited cards may be sitting in the regular queue;
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# need to reset
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self.mw.col.reset()
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self.hadCardQueue = False
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c = self.mw.col.sched.getCard()
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self.card = c
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clearAudioQueue()
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if not c:
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self.mw.moveToState("overview")
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return
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if self._reps is None or self._reps % 100 == 0:
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# we recycle the webview periodically so webkit can free memory
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self._initWeb()
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else:
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self._showQuestion()
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# Audio
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##########################################################################
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def replayAudio(self, previewer=None):
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if previewer:
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state = previewer._previewState
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c = previewer.card
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else:
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state = self.state
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c = self.card
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clearAudioQueue()
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if state == "question":
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playFromText(c.q())
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elif state == "answer":
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txt = ""
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if self._replayq(c, previewer):
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txt = c.q()
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txt += c.a()
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playFromText(txt)
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# Initializing the webview
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##########################################################################
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_revHtml = """
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<img src="qrc:/icons/rating.png" id=star class=marked>
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<div id=qa></div>
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<script>
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var ankiPlatform = "desktop";
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var typeans;
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function _updateQA (q, answerMode, klass) {
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$("#qa").html(q);
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typeans = document.getElementById("typeans");
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if (typeans) {
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typeans.focus();
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}
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if (answerMode) {
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var e = $("#answer");
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if (e[0]) { e[0].scrollIntoView(); }
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} else {
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window.scrollTo(0, 0);
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}
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if (klass) {
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document.body.className = klass;
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}
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// don't allow drags of images, which cause them to be deleted
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$("img").attr("draggable", false);
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};
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function _toggleStar (show) {
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if (show) {
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$(".marked").show();
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} else {
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$(".marked").hide();
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}
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}
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function _typeAnsPress() {
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if (window.event.keyCode === 13) {
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pycmd("ans");
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}
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}
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</script>
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"""
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def _initWeb(self):
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self._reps = 0
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self._bottomReady = False
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base = self.mw.baseHTML()
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# main window
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self.web.onLoadFinished = self._showQuestion
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self.web.stdHtml(self._revHtml, self._styles(), head=base)
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# show answer / ease buttons
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self.bottom.web.show()
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self.bottom.web.onLoadFinished = self._onBottomLoadFinished
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self.bottom.web.stdHtml(
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self._bottomHTML(),
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self.bottom._css + self._bottomCSS)
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# Showing the question
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##########################################################################
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def _mungeQA(self, buf):
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return self.typeAnsFilter(mungeQA(self.mw.col, buf))
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def _showQuestion(self):
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self._reps += 1
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self.state = "question"
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self.typedAnswer = None
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c = self.card
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# grab the question and play audio
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if c.isEmpty():
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q = _("""\
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The front of this card is empty. Please run Tools>Empty Cards.""")
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else:
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q = c.q()
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if self.autoplay(c):
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playFromText(q)
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# render & update bottom
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q = self._mungeQA(q)
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q += self._hiddenUpcomingImages()
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klass = "card card%d" % (c.ord+1)
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self.web.eval("_updateQA(%s, false, '%s');" % (json.dumps(q), klass))
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self._toggleStar()
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if self._bottomReady:
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self._showAnswerButton()
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# if we have a type answer field, focus main web
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if self.typeCorrect:
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self.mw.web.setFocus()
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# user hook
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runHook('showQuestion')
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def autoplay(self, card):
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return self.mw.col.decks.confForDid(
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card.odid or card.did)['autoplay']
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def _replayq(self, card, previewer=None):
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s = previewer if previewer else self
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return s.mw.col.decks.confForDid(
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s.card.odid or s.card.did).get('replayq', True)
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def _toggleStar(self):
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self.web.eval("_toggleStar(%s);" % json.dumps(
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self.card.note().hasTag("marked")))
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# Showing the answer
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##########################################################################
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def _showAnswer(self):
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if self.mw.state != "review":
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# showing resetRequired screen; ignore space
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return
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self.state = "answer"
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c = self.card
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a = c.a()
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# play audio?
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if self.autoplay(c):
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playFromText(a)
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# render and update bottom
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a = self._mungeQA(a)
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self.web.eval("_updateQA(%s, true);" % json.dumps(a))
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self._showEaseButtons()
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# user hook
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runHook('showAnswer')
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# Answering a card
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############################################################
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def _answerCard(self, ease):
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"Reschedule card and show next."
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if self.mw.state != "review":
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# showing resetRequired screen; ignore key
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return
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if self.state != "answer":
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return
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if self.mw.col.sched.answerButtons(self.card) < ease:
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return
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self.mw.col.sched.answerCard(self.card, ease)
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self._answeredIds.append(self.card.id)
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self.mw.autosave()
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self.nextCard()
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# Image preloading
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##########################################################################
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def _hiddenUpcomingImages(self):
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return "<div style='display:none;'>"+self._upcomingImages()+"</div>"
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def _upcomingImages(self):
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# grab the top cards in each queue
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s = self.mw.col.sched
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cids = []
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cids.append(s._lrnQueue and s._lrnQueue[0][1])
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cids.append(s._revQueue and s._revQueue[0])
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cids.append(s._newQueue and s._newQueue[0])
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# gather their content
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qa = []
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for cid in cids:
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if not cid:
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continue
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c = self.mw.col.getCard(cid)
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qa.append(c.q())
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qa.append(c.a())
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# pluck image links out
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qa = "".join(qa)
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links = []
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for regex in self.mw.col.media.imgRegexps:
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links.extend(re.findall(regex, qa))
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return "".join([x[0] for x in links])
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# Handlers
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############################################################
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def _shortcutKeys(self):
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return [
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("e", self.mw.onEditCurrent),
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(" ", self.onEnterKey),
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(Qt.Key_Return, self.onEnterKey),
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(Qt.Key_Enter, self.onEnterKey),
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("r", self.replayAudio),
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(Qt.Key_F5, self.replayAudio),
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("*", self.onMark),
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("=", self.onBuryNote),
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("-", self.onBuryCard),
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("!", self.onSuspend),
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("@", self.onSuspendCard),
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("v", self.onReplayRecorded),
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("Shift+v", self.onRecordVoice),
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("o", self.onOptions),
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("1", lambda: self._answerCard(1)),
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("2", lambda: self._answerCard(2)),
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("3", lambda: self._answerCard(3)),
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("4", lambda: self._answerCard(4)),
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]
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def onEnterKey(self):
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if self.state == "question":
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self._getTypedAnswer()
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elif self.state == "answer":
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self._answerCard(self._defaultEase())
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def _linkHandler(self, url):
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if url == "ans":
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self._getTypedAnswer()
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elif url.startswith("ease"):
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self._answerCard(int(url[4:]))
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elif url == "edit":
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self.mw.onEditCurrent()
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elif url == "more":
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self.showContextMenu()
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else:
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print("unrecognized anki link:", url)
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# CSS
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##########################################################################
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_css = """
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hr { background-color:#ccc; margin: 1em; }
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body { margin:1.5em; }
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img { max-width: 95%; max-height: 95%; }
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.marked { position:fixed; right: 7px; top: 7px; display: none; }
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#typeans { width: 100%; }
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.typeGood { background: #0f0; }
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.typeBad { background: #f00; }
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.typeMissed { background: #ccc; }
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"""
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def _styles(self):
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return self._css
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# Type in the answer
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##########################################################################
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typeAnsPat = "\[\[type:(.+?)\]\]"
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def typeAnsFilter(self, buf):
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if self.state == "question":
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return self.typeAnsQuestionFilter(buf)
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else:
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return self.typeAnsAnswerFilter(buf)
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def typeAnsQuestionFilter(self, buf):
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self.typeCorrect = None
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clozeIdx = None
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m = re.search(self.typeAnsPat, buf)
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if not m:
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return buf
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fld = m.group(1)
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# if it's a cloze, extract data
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if fld.startswith("cloze:"):
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# get field and cloze position
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clozeIdx = self.card.ord + 1
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fld = fld.split(":")[1]
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# loop through fields for a match
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for f in self.card.model()['flds']:
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if f['name'] == fld:
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self.typeCorrect = self.card.note()[f['name']]
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if clozeIdx:
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# narrow to cloze
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self.typeCorrect = self._contentForCloze(
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self.typeCorrect, clozeIdx)
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self.typeFont = f['font']
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self.typeSize = f['size']
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break
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if not self.typeCorrect:
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if self.typeCorrect is None:
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if clozeIdx:
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warn = _("""\
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Please run Tools>Empty Cards""")
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else:
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warn = _("Type answer: unknown field %s") % fld
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return re.sub(self.typeAnsPat, warn, buf)
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else:
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# empty field, remove type answer pattern
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return re.sub(self.typeAnsPat, "", buf)
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return re.sub(self.typeAnsPat, """
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<center>
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<input type=text id=typeans onkeypress="_typeAnsPress();"
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style="font-family: '%s'; font-size: %spx;">
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</center>
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""" % (self.typeFont, self.typeSize), buf)
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def typeAnsAnswerFilter(self, buf):
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if not self.typeCorrect:
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return re.sub(self.typeAnsPat, "", buf)
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origSize = len(buf)
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buf = buf.replace("<hr id=answer>", "")
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hadHR = len(buf) != origSize
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# munge correct value
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parser = html.parser.HTMLParser()
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cor = stripHTML(self.mw.col.media.strip(self.typeCorrect))
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# ensure we don't chomp multiple whitespace
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cor = cor.replace(" ", " ")
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cor = parser.unescape(cor)
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cor = cor.replace("\xa0", " ")
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given = self.typedAnswer
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# compare with typed answer
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res = self.correct(given, cor, showBad=False)
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# and update the type answer area
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def repl(match):
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# can't pass a string in directly, and can't use re.escape as it
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# escapes too much
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s = """
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<span style="font-family: '%s'; font-size: %spx">%s</span>""" % (
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self.typeFont, self.typeSize, res)
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if hadHR:
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# a hack to ensure the q/a separator falls before the answer
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# comparison when user is using {{FrontSide}}
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s = "<hr id=answer>" + s
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return s
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return re.sub(self.typeAnsPat, repl, buf)
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def _contentForCloze(self, txt, idx):
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matches = re.findall("\{\{c%s::(.+?)\}\}"%idx, txt)
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if not matches:
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return None
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def noHint(txt):
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if "::" in txt:
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return txt.split("::")[0]
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return txt
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matches = [noHint(txt) for txt in matches]
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uniqMatches = set(matches)
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if len(uniqMatches) == 1:
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txt = matches[0]
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else:
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txt = ", ".join(matches)
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return txt
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def tokenizeComparison(self, given, correct):
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# compare in NFC form so accents appear correct
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given = ucd.normalize("NFC", given)
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correct = ucd.normalize("NFC", correct)
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try:
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s = difflib.SequenceMatcher(None, given, correct, autojunk=False)
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except:
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# autojunk was added in python 2.7.1
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s = difflib.SequenceMatcher(None, given, correct)
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givenElems = []
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correctElems = []
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givenPoint = 0
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correctPoint = 0
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offby = 0
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def logBad(old, new, str, array):
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if old != new:
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array.append((False, str[old:new]))
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def logGood(start, cnt, str, array):
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if cnt:
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array.append((True, str[start:start+cnt]))
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for x, y, cnt in s.get_matching_blocks():
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# if anything was missed in correct, pad given
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if cnt and y-offby > x:
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givenElems.append((False, "-"*(y-x-offby)))
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offby = y-x
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# log any proceeding bad elems
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logBad(givenPoint, x, given, givenElems)
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logBad(correctPoint, y, correct, correctElems)
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givenPoint = x+cnt
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correctPoint = y+cnt
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# log the match
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logGood(x, cnt, given, givenElems)
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logGood(y, cnt, correct, correctElems)
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return givenElems, correctElems
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def correct(self, given, correct, showBad=True):
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"Diff-corrects the typed-in answer."
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givenElems, correctElems = self.tokenizeComparison(given, correct)
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def good(s):
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return "<span class=typeGood>"+cgi.escape(s)+"</span>"
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def bad(s):
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return "<span class=typeBad>"+cgi.escape(s)+"</span>"
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def missed(s):
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return "<span class=typeMissed>"+cgi.escape(s)+"</span>"
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if given == correct:
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res = good(given)
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else:
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res = ""
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for ok, txt in givenElems:
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if ok:
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res += good(txt)
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else:
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res += bad(txt)
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res += "<br>↓<br>"
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for ok, txt in correctElems:
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if ok:
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res += good(txt)
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else:
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res += missed(txt)
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res = "<div><code id=typeans>" + res + "</code></div>"
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return res
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def _getTypedAnswer(self):
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self.web.evalWithCallback("typeans ? typeans.value : null", self._onTypedAnswer)
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def _onTypedAnswer(self, val):
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self.typedAnswer = val
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self._showAnswer()
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# Bottom bar
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##########################################################################
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_bottomCSS = """
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body {
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margin: 0; padding: 0;
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}
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button {
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min-width: 60px; white-space: nowrap;
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}
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.hitem { margin-top: 2px; }
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.stat { padding-top: 5px; }
|
|
.stat2 { padding-top: 3px; font-weight: normal; }
|
|
.stattxt { padding-left: 5px; padding-right: 5px; white-space: nowrap; }
|
|
.nobold { font-weight: normal; display: inline-block; padding-top: 4px; }
|
|
.spacer { height: 18px; }
|
|
.spacer2 { height: 16px; }
|
|
#outer {
|
|
border-top: 1px solid #aaa;
|
|
}
|
|
#innertable {
|
|
padding: 3px;
|
|
}
|
|
|
|
"""
|
|
|
|
def _bottomHTML(self):
|
|
return """
|
|
<center id=outer>
|
|
<table id=innertable width=100%% cellspacing=0 cellpadding=0>
|
|
<tr>
|
|
<td align=left width=50 valign=top class=stat>
|
|
<br>
|
|
<button title="%(editkey)s" onclick="pycmd('edit');">%(edit)s</button></td>
|
|
<td align=center valign=top id=middle>
|
|
</td>
|
|
<td width=50 align=right valign=top class=stat><span id=time class=stattxt>
|
|
</span><br>
|
|
<button onclick="pycmd('more');">%(more)s %(downArrow)s</button>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</center>
|
|
<script>
|
|
var time = %(time)d;
|
|
var maxTime = 0;
|
|
$(function () {
|
|
$("#ansbut").focus();
|
|
updateTime();
|
|
setInterval(function () { time += 1; updateTime() }, 1000);
|
|
});
|
|
|
|
var updateTime = function () {
|
|
if (!maxTime) {
|
|
$("#time").text("");
|
|
return;
|
|
}
|
|
time = Math.min(maxTime, time);
|
|
var m = Math.floor(time / 60);
|
|
var s = time %% 60;
|
|
if (s < 10) {
|
|
s = "0" + s;
|
|
}
|
|
var e = $("#time");
|
|
if (maxTime == time) {
|
|
e.html("<font color=red>" + m + ":" + s + "</font>");
|
|
} else {
|
|
e.text(m + ":" + s);
|
|
}
|
|
}
|
|
|
|
function showQuestion(txt, maxTime_) {
|
|
// much faster than jquery's .html()
|
|
$("#middle")[0].innerHTML = txt;
|
|
$("#ansbut").focus();
|
|
time = 0;
|
|
maxTime = maxTime_;
|
|
}
|
|
|
|
function showAnswer(txt) {
|
|
$("#middle")[0].innerHTML = txt;
|
|
$("#defease").focus();
|
|
}
|
|
|
|
</script>
|
|
""" % dict(rem=self._remaining(), edit=_("Edit"),
|
|
editkey=_("Shortcut key: %s") % "E",
|
|
more=_("More"),
|
|
downArrow=downArrow(),
|
|
time=self.card.timeTaken() // 1000)
|
|
|
|
def _onBottomLoadFinished(self):
|
|
self._showAnswerButton()
|
|
|
|
def _showAnswerButton(self):
|
|
self._bottomReady = True
|
|
if not self.typeCorrect:
|
|
self.bottom.web.setFocus()
|
|
middle = '''
|
|
<span class=stattxt>%s</span><br>
|
|
<button title="%s" id=ansbut onclick='pycmd("ans");'>%s</button>''' % (
|
|
self._remaining(), _("Shortcut key: %s") % _("Space"), _("Show Answer"))
|
|
# wrap it in a table so it has the same top margin as the ease buttons
|
|
middle = "<table cellpadding=0><tr><td class=stat2 align=center>%s</td></tr></table>" % middle
|
|
if self.card.shouldShowTimer():
|
|
maxTime = self.card.timeLimit() / 1000
|
|
else:
|
|
maxTime = 0
|
|
self.bottom.web.eval("showQuestion(%s,%d);" % (
|
|
json.dumps(middle), maxTime))
|
|
self.bottom.onLoaded()
|
|
|
|
def _showEaseButtons(self):
|
|
self.bottom.web.setFocus()
|
|
middle = self._answerButtons()
|
|
self.bottom.web.eval("showAnswer(%s);" % json.dumps(middle))
|
|
|
|
def _remaining(self):
|
|
if not self.mw.col.conf['dueCounts']:
|
|
return ""
|
|
if self.hadCardQueue:
|
|
# if it's come from the undo queue, don't count it separately
|
|
counts = list(self.mw.col.sched.counts())
|
|
else:
|
|
counts = list(self.mw.col.sched.counts(self.card))
|
|
idx = self.mw.col.sched.countIdx(self.card)
|
|
counts[idx] = "<u>%s</u>" % (counts[idx])
|
|
space = " + "
|
|
ctxt = '<font color="#000099">%s</font>' % counts[0]
|
|
ctxt += space + '<font color="#C35617">%s</font>' % counts[1]
|
|
ctxt += space + '<font color="#007700">%s</font>' % counts[2]
|
|
return ctxt
|
|
|
|
def _defaultEase(self):
|
|
if self.mw.col.sched.answerButtons(self.card) == 4:
|
|
return 3
|
|
else:
|
|
return 2
|
|
|
|
def _answerButtonList(self):
|
|
l = ((1, _("Again")),)
|
|
cnt = self.mw.col.sched.answerButtons(self.card)
|
|
if cnt == 2:
|
|
return l + ((2, _("Good")),)
|
|
elif cnt == 3:
|
|
return l + ((2, _("Good")), (3, _("Easy")))
|
|
else:
|
|
return l + ((2, _("Hard")), (3, _("Good")), (4, _("Easy")))
|
|
|
|
def _answerButtons(self):
|
|
times = []
|
|
default = self._defaultEase()
|
|
def but(i, label):
|
|
if i == default:
|
|
extra = "id=defease"
|
|
else:
|
|
extra = ""
|
|
due = self._buttonTime(i)
|
|
return '''
|
|
<td align=center>%s<button %s title="%s" onclick='pycmd("ease%d");'>\
|
|
%s</button></td>''' % (due, extra, _("Shortcut key: %s") % i, i, label)
|
|
buf = "<center><table cellpading=0 cellspacing=0><tr>"
|
|
for ease, label in self._answerButtonList():
|
|
buf += but(ease, label)
|
|
buf += "</tr></table>"
|
|
script = """
|
|
<script>$(function () { $("#defease").focus(); });</script>"""
|
|
return buf + script
|
|
|
|
def _buttonTime(self, i):
|
|
if not self.mw.col.conf['estTimes']:
|
|
return "<div class=spacer></div>"
|
|
txt = self.mw.col.sched.nextIvlStr(self.card, i, True) or " "
|
|
return '<span class=nobold>%s</span><br>' % txt
|
|
|
|
# Leeches
|
|
##########################################################################
|
|
|
|
def onLeech(self, card):
|
|
# for now
|
|
s = _("Card was a leech.")
|
|
if card.queue < 0:
|
|
s += " " + _("It has been suspended.")
|
|
tooltip(s)
|
|
|
|
# Context menu
|
|
##########################################################################
|
|
|
|
# note the shortcuts listed here also need to be defined above
|
|
def showContextMenu(self):
|
|
opts = [
|
|
[_("Mark Note"), "*", self.onMark],
|
|
[_("Bury Card"), "-", self.onBuryCard],
|
|
[_("Bury Note"), "=", self.onBuryNote],
|
|
[_("Suspend Card"), "@", self.onSuspendCard],
|
|
[_("Suspend Note"), "!", self.onSuspend],
|
|
[_("Delete Note"), None, self.onDelete],
|
|
[_("Options"), "O", self.onOptions],
|
|
None,
|
|
[_("Replay Audio"), "R", self.replayAudio],
|
|
[_("Record Own Voice"), "Shift+V", self.onRecordVoice],
|
|
[_("Replay Own Voice"), "V", self.onReplayRecorded],
|
|
]
|
|
m = QMenu(self.mw)
|
|
for row in opts:
|
|
if not row:
|
|
m.addSeparator()
|
|
continue
|
|
label, scut, func = row
|
|
a = m.addAction(label)
|
|
if scut:
|
|
a.setShortcut(QKeySequence(scut))
|
|
a.triggered.connect(func)
|
|
runHook("Reviewer.contextMenuEvent",self,m)
|
|
m.exec_(QCursor.pos())
|
|
|
|
def onOptions(self):
|
|
self.mw.onDeckConf(self.mw.col.decks.get(
|
|
self.card.odid or self.card.did))
|
|
|
|
def onMark(self):
|
|
f = self.card.note()
|
|
if f.hasTag("marked"):
|
|
f.delTag("marked")
|
|
else:
|
|
f.addTag("marked")
|
|
f.flush()
|
|
self._toggleStar()
|
|
|
|
def onSuspend(self):
|
|
self.mw.checkpoint(_("Suspend"))
|
|
self.mw.col.sched.suspendCards(
|
|
[c.id for c in self.card.note().cards()])
|
|
tooltip(_("Note suspended."))
|
|
self.mw.reset()
|
|
|
|
def onSuspendCard(self):
|
|
self.mw.checkpoint(_("Suspend"))
|
|
self.mw.col.sched.suspendCards([self.card.id])
|
|
tooltip(_("Card suspended."))
|
|
self.mw.reset()
|
|
|
|
def onDelete(self):
|
|
# need to check state because the shortcut is global to the main
|
|
# window
|
|
if self.mw.state != "review" or not self.card:
|
|
return
|
|
self.mw.checkpoint(_("Delete"))
|
|
cnt = len(self.card.note().cards())
|
|
self.mw.col.remNotes([self.card.note().id])
|
|
self.mw.reset()
|
|
tooltip(ngettext(
|
|
"Note and its %d card deleted.",
|
|
"Note and its %d cards deleted.",
|
|
cnt) % cnt)
|
|
|
|
def onBuryCard(self):
|
|
self.mw.checkpoint(_("Bury"))
|
|
self.mw.col.sched.buryCards([self.card.id])
|
|
self.mw.reset()
|
|
tooltip(_("Card buried."))
|
|
|
|
def onBuryNote(self):
|
|
self.mw.checkpoint(_("Bury"))
|
|
self.mw.col.sched.buryNote(self.card.nid)
|
|
self.mw.reset()
|
|
tooltip(_("Note buried."))
|
|
|
|
def onRecordVoice(self):
|
|
self._recordedAudio = getAudio(self.mw, encode=False)
|
|
self.onReplayRecorded()
|
|
|
|
def onReplayRecorded(self):
|
|
if not self._recordedAudio:
|
|
return tooltip(_("You haven't recorded your voice yet."))
|
|
clearAudioQueue()
|
|
play(self._recordedAudio)
|