# Copyright (C) 2016 Alex Yatskov # Author: Alex Yatskov # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . import anki import aqt import base64 import hashlib import inspect import json import os import os.path import re import select import socket import sys from operator import itemgetter from time import time from unicodedata import normalize # # Constants # API_VERSION = 5 NET_ADDRESS = os.getenv('ANKICONNECT_BIND_ADDRESS', '127.0.0.1') NET_BACKLOG = 5 NET_PORT = 8765 TICK_INTERVAL = 25 URL_TIMEOUT = 10 URL_UPGRADE = 'https://raw.githubusercontent.com/FooSoft/anki-connect/master/AnkiConnect.py' # # Helpers # if sys.version_info[0] < 3: import urllib2 web = urllib2 from PyQt4.QtCore import QTimer from PyQt4.QtGui import QMessageBox else: unicode = str from urllib import request web = request from PyQt5.QtCore import QTimer from PyQt5.QtWidgets import QMessageBox def makeBytes(data): return data.encode('utf-8') def makeStr(data): return data.decode('utf-8') def api(*versions): def decorator(func): method = lambda *args, **kwargs: func(*args, **kwargs) setattr(method, 'versions', versions) setattr(method, 'api', True) return method return decorator # # WebRequest # class WebRequest: def __init__(self, headers, body): self.headers = headers self.body = body # # WebClient # class WebClient: def __init__(self, sock, handler): self.sock = sock self.handler = handler self.readBuff = bytes() self.writeBuff = bytes() def advance(self, recvSize=1024): if self.sock is None: return False rlist, wlist = select.select([self.sock], [self.sock], [], 0)[:2] if rlist: msg = self.sock.recv(recvSize) if not msg: self.close() return False self.readBuff += msg req, length = self.parseRequest(self.readBuff) if req is not None: self.readBuff = self.readBuff[length:] self.writeBuff += self.handler(req) if wlist and self.writeBuff: length = self.sock.send(self.writeBuff) self.writeBuff = self.writeBuff[length:] if not self.writeBuff: self.close() return False return True def close(self): if self.sock is not None: self.sock.close() self.sock = None self.readBuff = bytes() self.writeBuff = bytes() def parseRequest(self, data): parts = data.split(makeBytes('\r\n\r\n'), 1) if len(parts) == 1: return None, 0 headers = {} for line in parts[0].split(makeBytes('\r\n')): pair = line.split(makeBytes(': ')) headers[pair[0].lower()] = pair[1] if len(pair) > 1 else None headerLength = len(parts[0]) + 4 bodyLength = int(headers.get(makeBytes('content-length'), 0)) totalLength = headerLength + bodyLength if totalLength > len(data): return None, 0 body = data[headerLength : totalLength] return WebRequest(headers, body), totalLength # # WebServer # class WebServer: def __init__(self, handler): self.handler = handler self.clients = [] self.sock = None self.resetHeaders() def setHeader(self, name, value): self.headersOpt[name] = value def resetHeaders(self): self.headers = [ ['HTTP/1.1 200 OK', None], ['Content-Type', 'text/json'], ['Access-Control-Allow-Origin', '*'] ] self.headersOpt = {} def getHeaders(self): headers = self.headers[:] for name in self.headersOpt: headers.append([name, self.headersOpt[name]]) return headers def advance(self): if self.sock is not None: self.acceptClients() self.advanceClients() def acceptClients(self): rlist = select.select([self.sock], [], [], 0)[0] if not rlist: return clientSock = self.sock.accept()[0] if clientSock is not None: clientSock.setblocking(False) self.clients.append(WebClient(clientSock, self.handlerWrapper)) def advanceClients(self): self.clients = list(filter(lambda c: c.advance(), self.clients)) def listen(self): self.close() self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) self.sock.setblocking(False) self.sock.bind((NET_ADDRESS, NET_PORT)) self.sock.listen(NET_BACKLOG) def handlerWrapper(self, req): if len(req.body) == 0: body = makeBytes('AnkiConnect v.{}'.format(API_VERSION)) else: try: params = json.loads(makeStr(req.body)) body = makeBytes(json.dumps(self.handler(params))) except ValueError: body = makeBytes(json.dumps(None)) resp = bytes() self.setHeader('Content-Length', str(len(body))) headers = self.getHeaders() for key, value in headers: if value is None: resp += makeBytes('{}\r\n'.format(key)) else: resp += makeBytes('{}: {}\r\n'.format(key, value)) resp += makeBytes('\r\n') resp += body return resp def close(self): if self.sock is not None: self.sock.close() self.sock = None for client in self.clients: client.close() self.clients = [] # # AnkiConnect # class AnkiConnect: def __init__(self): self.server = WebServer(self.handler) try: self.server.listen() self.timer = QTimer() self.timer.timeout.connect(self.advance) self.timer.start(TICK_INTERVAL) except: QMessageBox.critical( self.window(), 'AnkiConnect', 'Failed to listen on port {}.\nMake sure it is available and is not in use.'.format(NET_PORT) ) def advance(self): self.server.advance() def handler(self, request): name = request.get('action', '') version = request.get('version', 4) params = request.get('params', {}) reply = {'result': None, 'error': None} try: method = None for methodName, methodInst in inspect.getmembers(self, predicate=inspect.ismethod): apiVersionLast = 0 apiNameLast = None if getattr(methodInst, 'api', False): for apiVersion, apiName in getattr(methodInst, 'versions', []): if apiVersionLast < apiVersion <= version: apiVersionLast = apiVersion apiNameLast = apiName if apiNameLast is None and apiVersionLast == 0: apiNameLast = methodName if apiNameLast is not None and apiNameLast == name: method = methodInst break if method is None: raise Exception('unsupported action') else: reply['result'] = methodInst(**params) except Exception as e: reply['error'] = str(e) if version > 4: return reply else: return reply['result'] def download(self, url): resp = web.urlopen(url, timeout=URL_TIMEOUT) if resp.code == 200: return resp.read() else: raise Exception('return code for download of {} was {}'.format(url, resp.code)) def window(self): return aqt.mw def reviewer(self): reviewer = self.window().reviewer if reviewer is None: raise Exception('reviewer is not available') else: return reviewer def collection(self): collection = self.window().col if collection is None: raise Exception('collection is not available') else: return collection def decks(self): decks = self.collection().decks if decks is None: raise Exception('decks are not available') else: return decks def scheduler(self): scheduler = self.collection().sched if scheduler is None: raise Exception('scheduler is not available') else: return scheduler def media(self): media = self.collection().media if media is None: raise Exception('media is not available') else: return media def startEditing(self): self.window().requireReset() def stopEditing(self): if self.collection() is not None: self.window().maybeReset() def createNote(self, note): collection = self.collection() model = collection.models.byName(note['modelName']) if model is None: raise Exception('model was not found: {}'.format(note['modelName'])) deck = collection.decks.byName(note['deckName']) if deck is None: raise Exception('deck was not found: {}'.format(note['deckName'])) ankiNote = anki.notes.Note(collection, model) ankiNote.model()['did'] = deck['id'] ankiNote.tags = note['tags'] for name, value in note['fields'].items(): if name in ankiNote: ankiNote[name] = value duplicateOrEmpty = ankiNote.dupeOrEmpty() if duplicateOrEmpty == 1: raise Exception('cannot create note because it is empty') elif duplicateOrEmpty == 2: raise Exception('cannot create note because it is a duplicte') elif duplicateOrEmpty == False: return ankiNote else: raise Exception('cannot create note for unknown reason') # # Miscellaneous # @api() def version(self): return API_VERSION @api() def upgrade(self): response = QMessageBox.question( self.window(), 'AnkiConnect', 'Upgrade to the latest version?', QMessageBox.Yes | QMessageBox.No ) if response == QMessageBox.Yes: try: data = self.download(URL_UPGRADE) path = os.path.splitext(__file__)[0] + '.py' with open(path, 'w') as fp: fp.write(makeStr(data)) QMessageBox.information( self.window(), 'AnkiConnect', 'Upgraded to the latest version, please restart Anki.' ) return True except Exception as e: QMessageBox.critical(self.window(), 'AnkiConnect', 'Failed to download latest version.') raise e return False @api() def sync(self): self.window().onSync() @api() def multi(self, actions): return map(self.handler, actions) # # Decks # @api() def deckNames(self): return self.decks().allNames() @api() def deckNamesAndIds(self): decks = {} for deck in self.deckNames(): decks[deck] = self.decks().id(deck) return decks @api() def getDecks(self, cards): decks = {} collection = self.collection() for card in cards: did = collection.db.scalar('select did from cards where id = ?', card) deck = collection.decks.get(did)['name'] if deck in decks: decks[deck].append(card) else: decks[deck] = [card] return decks @api() def createDeck(self, deck): self.startEditing() deckId = self.collection().decks.id(deck) self.stopEditing() return deckId @api() def changeDeck(self, cards, deck): self.startEditing() did = self.collection().decks.id(deck) mod = anki.utils.intTime() usn = self.collection().usn() # normal cards scids = anki.utils.ids2str(cards) # remove any cards from filtered deck first self.collection().sched.remFromDyn(cards) # then move into new deck self.collection().db.execute('update cards set usn=?, mod=?, did=? where id in ' + scids, usn, mod, did) self.stopEditing() @api() def deleteDecks(self, decks, cardsToo=False): self.startEditing() for deck in decks: did = self.collection().decks.id(deck) self.collection().decks.rem(did, cardsToo) self.stopEditing() @api() def getDeckConfig(self, deck): if not deck in self.deckNames(): return False collection = self.collection() did = collection.decks.id(deck) return collection.decks.confForDid(did) @api() def saveDeckConfig(self, config): collection = self.collection() config['id'] = str(config['id']) config['mod'] = anki.utils.intTime() config['usn'] = collection.usn() if not config['id'] in collection.decks.dconf: return False collection.decks.dconf[config['id']] = config collection.decks.changed = True return True @api() def setDeckConfigId(self, decks, configId): configId = str(configId) for deck in decks: if not deck in self.deckNames(): return False collection = self.collection() if not configId in collection.decks.dconf: return False for deck in decks: did = str(collection.decks.id(deck)) aqt.mw.col.decks.decks[did]['conf'] = configId return True @api() def cloneDeckConfigId(self, name, cloneFrom='1'): configId = str(cloneFrom) if not configId in self.collection().decks.dconf: return False config = self.collection().decks.getConf(configId) return self.collection().decks.confId(name, config) @api() def removeDeckConfigId(self, configId): configId = str(configId) collection = self.collection() if configId == 1 or not configId in collection.decks.dconf: return False collection.decks.remConf(configId) return True @api() def storeMediaFile(self, filename, data): self.deleteMediaFile(filename) self.media().writeData(filename, base64.b64decode(data)) @api() def retrieveMediaFile(self, filename): filename = os.path.basename(filename) filename = normalize('NFC', filename) filename = self.media().stripIllegal(filename) path = os.path.join(self.media().dir(), filename) if os.path.exists(path): with open(path, 'rb') as file: return base64.b64encode(file.read()).decode('ascii') return False @api() def deleteMediaFile(self, filename): self.media().syncDelete(filename) @api() def addNote(self, note): ankiNote = self.createNote(note) if note['audio'] is not None and len(note['audio']['fields']) > 0: audio = note['audio'] data = download(audio['url']) if data is not None: if audio['skipHash'] is None: skip = False else: m = hashlib.md5() m.update(data) skip = audio['skipHash'] == m.hexdigest() if not skip: for field in audio['fields']: if field in ankiNote: ankiNote[field] += u'[sound:{}]'.format(audio['filename']) self.media().writeData(audio['filename'], data) collection = self.collection() self.startEditing() collection.addNote(ankiNote) collection.autosave() self.stopEditing() return ankiNote.id @api() def canAddNote(self, note): try: return bool(self.createNote(note)) except: return False @api() def updateNoteFields(self, params): note = self.collection().getNote(params['id']) if note is None: raise Exception('note was not found: {}'.format(params['id'])) for name, value in params['fields'].items(): if name in note: note[name] = value note.flush() @api() def addTags(self, notes, tags, add=True): self.startEditing() self.collection().tags.bulkAdd(notes, tags, add) self.stopEditing() @api() def removeTags(self, notes, tags): return self.addTags(notes, tags, False) @api() def getTags(self): return self.collection().tags.all() @api() def suspend(self, cards, suspend=True): for card in cards: if self.suspended(card) == suspend: cards.remove(card) if len(cards) == 0: return False scheduler = self.scheduler() self.startEditing() if suspend: scheduler.suspendCards(cards) else: scheduler.unsuspendCards(cards) self.stopEditing() return True @api() def unsuspend(self, cards): self.suspend(cards, False) @api() def suspended(self, card): card = self.collection().getCard(card) return card.queue == -1 @api() def areSuspended(self, cards): suspended = [] for card in cards: suspended.append(self.suspended(card)) return suspended @api() def areDue(self, cards): due = [] for card in cards: if self.findCards('cid:{} is:new'.format(card)): due.append(True) else: date, ivl = self.collection().db.all('select id/1000.0, ivl from revlog where cid = ?', card)[-1] if ivl >= -1200: duo.append(bool(self.findCards('cid:{} is:due'.format(card)))) else: due.append(date - ivl <= time()) return due @api() def getIntervals(self, cards, complete=False): intervals = [] for card in cards: if self.findCards('cid:{} is:new'.format(card)): intervals.append(0) else: interval = self.collection().db.list('select ivl from revlog where cid = ?', card) if not complete: interval = interval[-1] intervals.append(interval) return intervals @api() def modelNames(self): return self.collection().models.allNames() @api() def modelNamesAndIds(self): models = {} for model in self.modelNames(): models[model] = int(self.collection().models.byName(model)['id']) return models @api() def modelNameFromId(self, modelId): model = self.collection().models.get(modelId) if model is None: raise Exception('model was not found: {}'.format(modelId)) else: return model['name'] @api() def modelFieldNames(self, modelName): model = self.collection().models.byName(modelName) if model is None: raise Exception('model was not found: {}'.format(modelName)) else: return [field['name'] for field in model['flds']] @api() def modelFieldsOnTemplates(self, modelName): model = self.collection().models.byName(modelName) if model is None: raise Exception('model was not found: {}'.format(modelName)) templates = {} for template in model['tmpls']: fields = [] for side in ['qfmt', 'afmt']: fieldsForSide = [] # based on _fieldsOnTemplate from aqt/clayout.py matches = re.findall('{{[^#/}]+?}}', template[side]) for match in matches: # remove braces and modifiers match = re.sub(r'[{}]', '', match) match = match.split(':')[-1] # for the answer side, ignore fields present on the question side + the FrontSide field if match == 'FrontSide' or side == 'afmt' and match in fields[0]: continue fieldsForSide.append(match) fields.append(fieldsForSide) templates[template['name']] = fields return templates @api() def deckNameFromId(self, deckId): deck = self.collection().decks.get(deckId) if deck is None: raise Exception('deck was not found: {}'.format(deckId)) else: return deck['name'] @api() def findNotes(self, query=None): if query is None: return [] else: return self.collection().findNotes(query) @api() def findCards(self, query=None): if query is None: return [] else: return self.collection().findCards(query) @api() def cardsInfo(self, cards): result = [] for cid in cards: try: card = self.collection().getCard(cid) model = card.model() note = card.note() fields = {} for info in model['flds']: order = info['ord'] name = info['name'] fields[name] = {'value': note.fields[order], 'order': order} result.append({ 'cardId': card.id, 'fields': fields, 'fieldOrder': card.ord, 'question': card._getQA()['q'], 'answer': card._getQA()['a'], 'modelName': model['name'], 'deckName': self.deckNameFromId(card.did), 'css': model['css'], 'factor': card.factor, #This factor is 10 times the ease percentage, # so an ease of 310% would be reported as 3100 'interval': card.ivl, 'note': card.nid }) except TypeError as e: # Anki will give a TypeError if the card ID does not exist. # Best behavior is probably to add an 'empty card' to the # returned result, so that the items of the input and return # lists correspond. result.append({}) return result @api() def notesInfo(self, notes): result = [] for nid in notes: try: note = self.collection().getNote(nid) model = note.model() fields = {} for info in model['flds']: order = info['ord'] name = info['name'] fields[name] = {'value': note.fields[order], 'order': order} result.append({ 'noteId': note.id, 'tags' : note.tags, 'fields': fields, 'modelName': model['name'], 'cards': self.collection().db.list('select id from cards where nid = ? order by ord', note.id) }) except TypeError as e: # Anki will give a TypeError if the note ID does not exist. # Best behavior is probably to add an 'empty card' to the # returned result, so that the items of the input and return # lists correspond. result.append({}) return result @api() def cardsToNotes(self, cards): return self.collection().db.list('select distinct nid from cards where id in ' + anki.utils.ids2str(cards)) @api() def guiBrowse(self, query=None): browser = aqt.dialogs.open('Browser', self.window()) browser.activateWindow() if query is not None: browser.form.searchEdit.lineEdit().setText(query) if hasattr(browser, 'onSearch'): browser.onSearch() else: browser.onSearchActivated() return browser.model.cards @api() def guiAddCards(self): addCards = aqt.dialogs.open('AddCards', self.window()) addCards.activateWindow() @api() def guiReviewActive(self): return self.reviewer().card is not None and self.window().state == 'review' @api() def guiCurrentCard(self): if not self.guiReviewActive(): raise Exception('Gui review is not currently active.') reviewer = self.reviewer() card = reviewer.card model = card.model() note = card.note() fields = {} for info in model['flds']: order = info['ord'] name = info['name'] fields[name] = {'value': note.fields[order], 'order': order} if card is not None: return { 'cardId': card.id, 'fields': fields, 'fieldOrder': card.ord, 'question': card._getQA()['q'], 'answer': card._getQA()['a'], 'buttons': [b[0] for b in reviewer._answerButtonList()], 'modelName': model['name'], 'deckName': self.deckNameFromId(card.did), 'css': model['css'] } @api() def guiStartCardTimer(self): if not self.guiReviewActive(): return False card = self.reviewer().card if card is not None: card.startTimer() return True else: return False @api() def guiShowQuestion(self): if self.guiReviewActive(): self.reviewer()._showQuestion() return True else: return False @api() def guiShowAnswer(self): if self.guiReviewActive(): self.window().reviewer._showAnswer() return True else: return False @api() def guiAnswerCard(self, ease): if not self.guiReviewActive(): return False reviewer = self.reviewer() if reviewer.state != 'answer': return False if ease <= 0 or ease > self.scheduler().answerButtons(reviewer.card): return False reviewer._answerCard(ease) return True @api() def guiDeckOverview(self, name): collection = self.collection() if collection is not None: deck = collection.decks.byName(name) if deck is not None: collection.decks.select(deck['id']) self.window().onOverview() return True return False @api() def guiDeckBrowser(self): self.window().moveToState('deckBrowser') @api() def guiDeckReview(self, name): if self.guiDeckOverview(name): self.window().moveToState('review') return True else: return False @api() def guiExitAnki(self): timer = QTimer() def exitAnki(): timer.stop() self.window().close() timer.timeout.connect(exitAnki) timer.start(1000) # 1s should be enough to allow the response to be sent. @api() def addNotes(self, notes): results = [] for note in notes: try: results.append(self.addNote(note)) except Exception: results.append(None) return results @api() def canAddNotes(self, notes): results = [] for note in notes: results.append(self.canAddNote(note)) return results # # Entry # ac = AnkiConnect()