452 lines
13 KiB
Python
452 lines
13 KiB
Python
# Copyright: Ankitects Pty Ltd and contributors
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# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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import argparse
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import builtins
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import getpass
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import gettext
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import locale
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import os
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import sys
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import tempfile
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import traceback
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from typing import Any, Optional
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import anki.buildinfo
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import anki.lang
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import aqt.buildinfo
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from anki import version as _version
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from anki.consts import HELP_SITE
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from anki.utils import checksum, isLin, isMac
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from aqt.qt import *
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from aqt.utils import locale_dir
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assert anki.buildinfo.buildhash == aqt.buildinfo.buildhash
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appVersion = _version
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appWebsite = "http://ankisrs.net/"
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appChanges = "http://ankisrs.net/docs/changes.html"
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appDonate = "http://ankisrs.net/support/"
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appShared = "https://ankiweb.net/shared/"
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appUpdate = "https://ankiweb.net/update/desktop"
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appHelpSite = HELP_SITE
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from aqt.main import AnkiQt # isort:skip
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from aqt.profiles import ProfileManager # isort:skip
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mw: Optional[AnkiQt] = None # set on init
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moduleDir = os.path.split(os.path.dirname(os.path.abspath(__file__)))[0]
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try:
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import aqt.forms
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except ImportError as e:
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if "forms" in str(e):
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print("If you're running from git, did you run build_ui.sh?")
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print()
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raise
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# Dialog manager
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##########################################################################
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# ensures only one copy of the window is open at once, and provides
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# a way for dialogs to clean up asynchronously when collection closes
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# to integrate a new window:
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# - add it to _dialogs
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# - define close behaviour, by either:
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# -- setting silentlyClose=True to have it close immediately
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# -- define a closeWithCallback() method
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# - have the window opened via aqt.dialogs.open(<name>, self)
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# - have a method reopen(*args), called if the user ask to open the window a second time. Arguments passed are the same than for original opening.
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# - make preferences modal? cmd+q does wrong thing
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from aqt import addcards, browser, editcurrent # isort:skip
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from aqt import stats, about, preferences, mediasync # isort:skip
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class DialogManager:
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_dialogs = {
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"AddCards": [addcards.AddCards, None],
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"Browser": [browser.Browser, None],
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"EditCurrent": [editcurrent.EditCurrent, None],
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"DeckStats": [stats.DeckStats, None],
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"About": [about.show, None],
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"Preferences": [preferences.Preferences, None],
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"sync_log": [mediasync.MediaSyncDialog, None],
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}
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def open(self, name, *args):
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(creator, instance) = self._dialogs[name]
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if instance:
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if instance.windowState() & Qt.WindowMinimized:
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instance.setWindowState(instance.windowState() & ~Qt.WindowMinimized)
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instance.activateWindow()
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instance.raise_()
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if hasattr(instance, "reopen"):
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instance.reopen(*args)
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return instance
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else:
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instance = creator(*args)
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self._dialogs[name][1] = instance
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return instance
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def markClosed(self, name):
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self._dialogs[name] = [self._dialogs[name][0], None]
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def allClosed(self):
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return not any(x[1] for x in self._dialogs.values())
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def closeAll(self, onsuccess):
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# can we close immediately?
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if self.allClosed():
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onsuccess()
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return
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# ask all windows to close and await a reply
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for (name, (creator, instance)) in self._dialogs.items():
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if not instance:
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continue
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def callback():
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if self.allClosed():
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onsuccess()
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else:
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# still waiting for others to close
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pass
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if getattr(instance, "silentlyClose", False):
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instance.close()
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callback()
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else:
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instance.closeWithCallback(callback)
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return True
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dialogs = DialogManager()
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# Language handling
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##########################################################################
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# Qt requires its translator to be installed before any GUI widgets are
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# loaded, and we need the Qt language to match the gettext language or
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# translated shortcuts will not work.
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#
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# The Qt translator needs to be retained to work.
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_qtrans: Optional[QTranslator] = None
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def setupLang(
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pm: ProfileManager, app: QApplication, force: Optional[str] = None
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) -> None:
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global _qtrans
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try:
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locale.setlocale(locale.LC_ALL, "")
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except:
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pass
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lang = force or pm.meta["defaultLang"]
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def fn__(arg):
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print("accessing _ without importing from anki.lang will break in the future")
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print("".join(traceback.format_stack()[-2]))
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from anki.lang import _
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return _(arg)
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def fn_ngettext(a, b, c):
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print(
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"accessing ngettext without importing from anki.lang will break in the future"
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)
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print("".join(traceback.format_stack()[-2]))
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from anki.lang import ngettext
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return ngettext(a, b, c)
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builtins.__dict__["_"] = fn__
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builtins.__dict__["ngettext"] = fn_ngettext
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ldir = locale_dir()
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anki.lang.setLang(lang, ldir, local=False)
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if lang in ("he", "ar", "fa"):
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app.setLayoutDirection(Qt.RightToLeft)
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else:
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app.setLayoutDirection(Qt.LeftToRight)
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# qt
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_qtrans = QTranslator()
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if _qtrans.load("qt_" + lang, ldir):
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app.installTranslator(_qtrans)
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# App initialisation
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##########################################################################
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class AnkiApp(QApplication):
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# Single instance support on Win32/Linux
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##################################################
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appMsg = pyqtSignal(str)
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KEY = "anki" + checksum(getpass.getuser())
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TMOUT = 30000
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def __init__(self, argv):
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QApplication.__init__(self, argv)
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self._argv = argv
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def secondInstance(self):
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# we accept only one command line argument. if it's missing, send
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# a blank screen to just raise the existing window
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opts, args = parseArgs(self._argv)
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buf = "raise"
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if args and args[0]:
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buf = os.path.abspath(args[0])
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if self.sendMsg(buf):
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print("Already running; reusing existing instance.")
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return True
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else:
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# send failed, so we're the first instance or the
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# previous instance died
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QLocalServer.removeServer(self.KEY)
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self._srv = QLocalServer(self)
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self._srv.newConnection.connect(self.onRecv)
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self._srv.listen(self.KEY)
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return False
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def sendMsg(self, txt):
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sock = QLocalSocket(self)
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sock.connectToServer(self.KEY, QIODevice.WriteOnly)
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if not sock.waitForConnected(self.TMOUT):
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# first instance or previous instance dead
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return False
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sock.write(txt.encode("utf8"))
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if not sock.waitForBytesWritten(self.TMOUT):
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# existing instance running but hung
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QMessageBox.warning(
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None,
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"Anki Already Running",
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"If the existing instance of Anki is not responding, please close it using your task manager, or restart your computer.",
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)
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sys.exit(1)
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sock.disconnectFromServer()
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return True
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def onRecv(self):
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sock = self._srv.nextPendingConnection()
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if not sock.waitForReadyRead(self.TMOUT):
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sys.stderr.write(sock.errorString())
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return
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path = bytes(sock.readAll()).decode("utf8")
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self.appMsg.emit(path)
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sock.disconnectFromServer()
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# OS X file/url handler
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##################################################
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def event(self, evt):
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if evt.type() == QEvent.FileOpen:
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self.appMsg.emit(evt.file() or "raise")
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return True
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return QApplication.event(self, evt)
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def parseArgs(argv):
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"Returns (opts, args)."
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# py2app fails to strip this in some instances, then anki dies
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# as there's no such profile
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if isMac and len(argv) > 1 and argv[1].startswith("-psn"):
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argv = [argv[0]]
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parser = argparse.ArgumentParser(description="Anki " + appVersion)
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parser.usage = "%(prog)s [OPTIONS] [file to import/add-on to install]"
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parser.add_argument("-b", "--base", help="path to base folder", default="")
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parser.add_argument("-p", "--profile", help="profile name to load", default="")
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parser.add_argument("-l", "--lang", help="interface language (en, de, etc)")
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return parser.parse_known_args(argv[1:])
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def setupGL(pm):
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if isMac:
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return
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mode = pm.glMode()
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# work around pyqt loading wrong GL library
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if isLin:
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import ctypes
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ctypes.CDLL("libGL.so.1", ctypes.RTLD_GLOBAL)
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# catch opengl errors
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def msgHandler(type, ctx, msg):
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if "Failed to create OpenGL context" in msg:
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QMessageBox.critical(
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None,
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"Error",
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"Error loading '%s' graphics driver. Please start Anki again to try next driver."
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% mode,
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)
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pm.nextGlMode()
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return
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else:
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print("qt:", msg)
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qInstallMessageHandler(msgHandler)
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if mode == "auto":
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return
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elif isLin:
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os.environ["QT_XCB_FORCE_SOFTWARE_OPENGL"] = "1"
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else:
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os.environ["QT_OPENGL"] = mode
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def run():
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try:
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_run()
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except Exception as e:
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traceback.print_exc()
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QMessageBox.critical(
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None,
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"Startup Error",
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"Please notify support of this error:\n\n" + traceback.format_exc(),
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)
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def _run(argv=None, exec=True):
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"""Start AnkiQt application or reuse an existing instance if one exists.
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If the function is invoked with exec=False, the AnkiQt will not enter
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the main event loop - instead the application object will be returned.
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The 'exec' and 'argv' arguments will be useful for testing purposes.
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If no 'argv' is supplied then 'sys.argv' will be used.
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"""
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global mw
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if argv is None:
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argv = sys.argv
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# parse args
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opts, args = parseArgs(argv)
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# profile manager
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pm = None
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try:
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pm = ProfileManager(opts.base)
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pmLoadResult = pm.setupMeta()
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except:
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# will handle below
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traceback.print_exc()
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pm = None
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if pm:
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# gl workarounds
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setupGL(pm)
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# apply user-provided scale factor
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os.environ["QT_SCALE_FACTOR"] = str(pm.uiScale())
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# opt in to full hidpi support?
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if not os.environ.get("ANKI_NOHIGHDPI"):
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QCoreApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
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os.environ["QT_ENABLE_HIGHDPI_SCALING"] = "1"
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os.environ["QT_SCALE_FACTOR_ROUNDING_POLICY"] = "PassThrough"
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# Opt into software rendering. Useful for buggy systems.
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if os.environ.get("ANKI_SOFTWAREOPENGL"):
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QCoreApplication.setAttribute(Qt.AA_UseSoftwareOpenGL)
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# create the app
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QCoreApplication.setApplicationName("Anki")
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QGuiApplication.setDesktopFileName("anki.desktop")
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app = AnkiApp(argv)
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if app.secondInstance():
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# we've signaled the primary instance, so we should close
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return
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if not pm:
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QMessageBox.critical(
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None,
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"Error",
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"""\
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Anki could not create its data folder. Please see the File Locations \
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section of the manual, and ensure that location is not read-only.""",
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)
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return
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# disable icons on mac; this must be done before window created
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if isMac:
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app.setAttribute(Qt.AA_DontShowIconsInMenus)
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# disable help button in title bar on qt versions that support it
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if isWin and qtminor >= 10:
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QApplication.setAttribute(Qt.AA_DisableWindowContextHelpButton)
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# proxy configured?
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from urllib.request import proxy_bypass, getproxies
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if "http" in getproxies():
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# if it's not set up to bypass localhost, we'll
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# need to disable proxies in the webviews
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if not proxy_bypass("127.0.0.1"):
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print("webview proxy use disabled")
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proxy = QNetworkProxy()
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proxy.setType(QNetworkProxy.NoProxy)
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QNetworkProxy.setApplicationProxy(proxy)
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# we must have a usable temp dir
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try:
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tempfile.gettempdir()
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except:
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QMessageBox.critical(
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None,
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"Error",
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"""\
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No usable temporary folder found. Make sure C:\\temp exists or TEMP in your \
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environment points to a valid, writable folder.""",
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)
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return
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if pmLoadResult.firstTime:
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pm.setDefaultLang()
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if pmLoadResult.loadError:
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QMessageBox.warning(
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None,
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"Preferences Corrupt",
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"""Anki's prefs21.db file was corrupt and has been recreated. If you were using multiple \
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profiles, please add them back using the same names to recover your cards.""",
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)
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if opts.profile:
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pm.openProfile(opts.profile)
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# i18n
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setupLang(pm, app, opts.lang)
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if isLin and pm.glMode() == "auto":
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from aqt.utils import gfxDriverIsBroken
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if gfxDriverIsBroken():
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pm.nextGlMode()
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QMessageBox.critical(
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None,
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"Error",
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"Your video driver is incompatible. Please start Anki again, and Anki will switch to a slower, more compatible mode.",
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)
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sys.exit(1)
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# load the main window
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import aqt.main
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mw = aqt.main.AnkiQt(app, pm, opts, args)
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if exec:
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app.exec()
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else:
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return app
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