anki-connect/anki_connect.py
2016-05-21 15:34:09 -07:00

324 lines
7.4 KiB
Python

# Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
# Author: Alex Yatskov <alex@foosoft.net>
#
# 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 <http://www.gnu.org/licenses/>.
import PyQt4
import anki
import aqt
import json
import select
import socket
#
# AjaxRequest
#
class AjaxRequest:
def __init__(self, headers, body):
self.headers = headers
self.body = body
#
# AjaxClient
#
class AjaxClient:
def __init__(self, sock, handler):
self.sock = sock
self.handler = handler
self.readBuff = ''
self.writeBuff = ''
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 = ''
self.writeBuff = ''
def parseRequest(self, data):
parts = data.split('\r\n\r\n', 1)
if len(parts) == 1:
return None, 0
headers = {}
for line in parts[0].split('\r\n'):
pair = line.split(': ')
headers[pair[0]] = pair[1] if len(pair) > 1 else None
headerLength = len(parts[0]) + 4
bodyLength = int(headers['Content-Length'])
totalLength = headerLength + bodyLength
if totalLength > len(data):
return None, 0
body = data[headerLength : totalLength]
return AjaxRequest(headers, body), totalLength
#
# AjaxServer
#
class AjaxServer:
def __init__(self, handler):
self.handler = handler
self.clients = []
self.sock = None
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(AjaxClient(clientSock, self.handlerWrapper))
def advanceClients(self):
self.clients = filter(lambda c: c.advance(), self.clients)
def listen(self, address='127.0.0.1', port=8765, backlog=5):
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((address, port))
self.sock.listen(backlog)
def handlerWrapper(self, req):
body = json.dumps(self.handler(json.loads(req.body)))
resp = ''
headers = {
'HTTP/1.1 200 OK': None,
'Content-Type': 'application/json',
'Content-Length': str(len(body)),
'Access-Control-Allow-Origin': '*'
}
for key, value in headers.items():
if value is None:
resp += '{}\r\n'.format(key)
else:
resp += '{}: {}\r\n'.format(key, value)
resp += '\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 = []
#
# AnkiBridge
#
class AnkiBridge:
def addNote(self, deckName, modelName, fields, tags=[]):
note = self.createNote(deckName, modelName, fields, tags)
if note is None:
return
self.startEditing()
collection = self.collection()
collection.addNote(note)
collection.autosave()
return note.id
def canAddNote(self, deckName, modelName, fields):
return bool(self.createNote(deckName, modelName, fields))
def createNote(self, deckName, modelName, fields, tags=[]):
model = self.models().byName(modelName)
if model is None:
return
deck = self.decks().byName(deckName)
if deck is None:
return
note = anki.notes.Note(self.collection(), model)
note.model()['did'] = deck['id']
note.tags = tags
for name, value in fields.items():
if name in note:
note[name] = value
if not note.dupeOrEmpty():
return note
def browseNote(self, noteId):
browser = aqt.dialogs.open('Browser', self.window())
browser.form.searchEdit.lineEdit().setText('nid:{0}'.format(noteId))
browser.onSearch()
def startEditing(self):
self.window().requireReset()
def stopEditing(self):
if self.collection():
self.window().maybeReset()
def window(self):
return aqt.mw
def collection(self):
return self.window().col
def models(self):
return self.collection().models
def modelNames(self):
return self.models().allNames()
def modelFieldNames(self, modelName):
model = self.models().byName(modelName)
if model is not None:
return [field['name'] for field in model['flds']]
def decks(self):
return self.collection().decks
def deckNames(self):
return self.decks().allNames()
#
# AnkiConnect
#
class AnkiConnect:
def __init__(self, interval=25):
self.anki = AnkiBridge()
self.server = AjaxServer(self.handler)
self.server.listen()
self.timer = PyQt4.QtCore.QTimer()
self.timer.timeout.connect(self.advance)
self.timer.start(interval)
def advance(self):
self.server.advance()
def handler(self, request):
action = 'api_' + request.get('action', '')
if hasattr(self, action):
return getattr(self, action)(**request.get('params', {}))
def api_deckNames(self):
return self.anki.deckNames()
def api_modelNames(self):
return self.anki.modelNames()
def api_modelFieldNames(self, modelName):
return self.anki.modelFieldNames(modelName)
def api_features(self):
features = {}
for name in dir(self):
method = getattr(self, name)
if name.startswith('api_') and callable(method):
features[name[4:]] = list(method.func_code.co_varnames[1:])
return features
#
# Entry
#
ac = AnkiConnect()