595 lines
18 KiB
Python
595 lines
18 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 cProfile
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import getpass
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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, Callable, Dict, List, Optional, Tuple, Union
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import anki.lang
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from anki import version as _version
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from anki._backend import RustBackend
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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 TR, locale_dir, tr
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# we want to be able to print unicode debug info to console without
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# fear of a traceback on systems with the console set to ASCII
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try:
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sys.stdout.reconfigure(encoding="utf-8") # type: ignore
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sys.stderr.reconfigure(encoding="utf-8") # type: ignore
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except AttributeError:
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# on Windows without console, NullWriter doesn't support this
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pass
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appVersion = _version
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appWebsite = "https://apps.ankiweb.net/"
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appDonate = "https://apps.ankiweb.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, AnkiRestart, VideoDriver # isort:skip
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profiler: Optional[cProfile.Profile] = None
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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, addons, browser, editcurrent, dyndeckconf # 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: Dict[str, list] = {
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"AddCards": [addcards.AddCards, None],
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"AddonsDialog": [addons.AddonsDialog, None],
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"Browser": [browser.Browser, None],
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"EditCurrent": [editcurrent.EditCurrent, None],
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"DynDeckConfDialog": [dyndeckconf.DeckConf, None],
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"DeckStats": [stats.DeckStats, None],
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"NewDeckStats": [stats.NewDeckStats, 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: str, *args: Any, **kwargs: Any) -> Any:
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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, **kwargs)
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else:
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instance = creator(*args, **kwargs)
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self._dialogs[name][1] = instance
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return instance
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def markClosed(self, name: str) -> None:
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self._dialogs[name] = [self._dialogs[name][0], None]
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def allClosed(self) -> bool:
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return not any(x[1] for x in self._dialogs.values())
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def closeAll(self, onsuccess: Callable[[], None]) -> Optional[bool]:
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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 None
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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() -> None:
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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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def register_dialog(
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self, name: str, creator: Union[Callable, type], instance: Optional[Any] = None
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):
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"""Allows add-ons to register a custom dialog to be managed by Anki's dialog
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manager, which ensures that only one copy of the window is open at once,
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and that the dialog cleans up asynchronously when the collection closes
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Please note that dialogs added in this manner need to define a close behavior
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by either:
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- setting `dialog.silentlyClose = True` to have it close immediately
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- define a `dialog.closeWithCallback()` method that is called when closed
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by the dialog manager
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TODO?: Implement more restrictive type check to ensure these requirements
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are met
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Arguments:
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name {str} -- Name/identifier of the dialog in question
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creator {Union[Callable, type]} -- A class or function to create new
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dialog instances with
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Keyword Arguments:
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instance {Optional[Any]} -- An optional existing instance of the dialog
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(default: {None})
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"""
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self._dialogs[name] = [creator, instance]
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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 i18n language or
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# translated shortcuts will not work.
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# A reference to the Qt translator needs to be held to prevent it from
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# being immediately deallocated.
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_qtrans: Optional[QTranslator] = None
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def setupLangAndBackend(
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pm: ProfileManager,
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app: QApplication,
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force: Optional[str] = None,
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firstTime: bool = False,
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) -> RustBackend:
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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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# add _ and ngettext globals used by legacy code
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def fn__(arg) -> None:
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print("".join(traceback.format_stack()[-2]))
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print("_ global will break in the future; please see anki/lang.py")
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return arg
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def fn_ngettext(a, b, c) -> None:
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print("".join(traceback.format_stack()[-2]))
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print("ngettext global will break in the future; please see anki/lang.py")
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return b
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builtins.__dict__["_"] = fn__
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builtins.__dict__["ngettext"] = fn_ngettext
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# get lang and normalize into ja/zh-CN form
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if firstTime:
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lang = pm.meta["defaultLang"]
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else:
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lang = force or pm.meta["defaultLang"]
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lang = anki.lang.lang_to_disk_lang(lang)
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ldir = locale_dir()
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if not firstTime:
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# set active language
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anki.lang.set_lang(lang, ldir)
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# switch direction for RTL languages
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if anki.lang.is_rtl(lang):
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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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# load qt translations
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_qtrans = QTranslator()
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qt_dir = QLibraryInfo.location(QLibraryInfo.TranslationsPath)
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qt_lang = lang.replace("-", "_")
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if _qtrans.load("qtbase_" + qt_lang, qt_dir):
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app.installTranslator(_qtrans)
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return anki.lang.current_i18n
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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) -> None:
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QApplication.__init__(self, argv)
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self._argv = argv
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def secondInstance(self) -> bool:
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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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qconnect(self._srv.newConnection, 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) -> bool:
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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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tr(TR.QT_MISC_ANKI_IS_RUNNING),
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tr(TR.QT_MISC_IF_INSTANCE_IS_NOT_RESPONDING),
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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) -> None:
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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) # type: ignore
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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) -> bool:
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if evt.type() == QEvent.FileOpen:
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self.appMsg.emit(evt.file() or "raise") # type: ignore
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return True
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return QApplication.event(self, evt)
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def parseArgs(argv) -> Tuple[argparse.Namespace, List[str]]:
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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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parser.add_argument(
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"-v", "--version", help="print the Anki version and exit", action="store_true"
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)
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parser.add_argument(
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"--safemode", help="disable add-ons and automatic syncing", action="store_true"
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)
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parser.add_argument(
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"--syncserver",
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help="skip GUI and start a local sync server",
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action="store_true",
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)
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return parser.parse_known_args(argv[1:])
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def setupGL(pm) -> None:
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if isMac:
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return
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driver = pm.video_driver()
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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(category, ctx, msg) -> None:
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if category == QtDebugMsg:
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category = "debug"
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elif category == QtInfoMsg:
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category = "info"
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elif category == QtWarningMsg:
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category = "warning"
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elif category == QtCriticalMsg:
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category = "critical"
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elif category == QtDebugMsg:
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category = "debug"
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elif category == QtFatalMsg:
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category = "fatal"
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elif category == QtSystemMsg:
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category = "system"
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else:
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category = "unknown"
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context = ""
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if ctx.file:
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context += f"{ctx.file}:"
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if ctx.line:
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context += f"{ctx.line},"
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if ctx.function:
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context += f"{ctx.function}"
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if context:
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context = f"'{context}'"
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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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tr(TR.QT_MISC_ERROR),
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tr(
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TR.QT_MISC_ERROR_LOADING_GRAPHICS_DRIVER,
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mode=driver.value,
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context=context,
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),
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)
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pm.set_video_driver(driver.next())
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return
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else:
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print(f"Qt {category}: {msg} {context}")
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qInstallMessageHandler(msgHandler)
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if driver == VideoDriver.OpenGL:
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pass
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else:
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if isWin:
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os.environ["QT_OPENGL"] = driver.value
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elif isMac:
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QCoreApplication.setAttribute(Qt.AA_UseSoftwareOpenGL)
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elif isLin:
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os.environ["QT_XCB_FORCE_SOFTWARE_OPENGL"] = "1"
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PROFILE_CODE = os.environ.get("ANKI_PROFILE_CODE")
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def write_profile_results() -> None:
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profiler.disable()
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profiler.dump_stats("anki.prof")
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print("profile stats written to anki.prof")
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print("use 'bazel run qt:profile' to explore")
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def run() -> None:
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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) -> Optional[AnkiApp]:
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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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global profiler
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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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if opts.version:
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print(f"Anki {appVersion}")
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return None
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elif opts.syncserver:
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from anki.syncserver import serve
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serve()
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return None
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if PROFILE_CODE:
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profiler = cProfile.Profile()
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profiler.enable()
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# default to specified/system language before getting user's preference so that we can localize some more strings
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lang = anki.lang.get_def_lang(opts.lang)
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anki.lang.set_lang(lang[1], locale_dir())
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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 AnkiRestart as error:
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if error.exitcode:
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sys.exit(error.exitcode)
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return None
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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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if (
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isWin
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and (qtminor == 14 or (qtminor == 15 and qtpoint == 0))
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and "QT_QPA_PLATFORM" not in os.environ
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):
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os.environ["QT_QPA_PLATFORM"] = "windows:altgr"
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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 None
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if not pm:
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QMessageBox.critical(
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None,
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tr(TR.QT_MISC_ERROR),
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tr(TR.PROFILES_COULD_NOT_CREATE_DATA_FOLDER),
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)
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return None
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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 getproxies, proxy_bypass
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disable_proxies = False
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try:
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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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disable_proxies = True
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except UnicodeDecodeError:
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# proxy_bypass can't handle unicode in hostnames; assume we need
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# to disable proxies
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disable_proxies = True
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if disable_proxies:
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print("webview proxy use disabled")
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|
proxy = QNetworkProxy()
|
|
proxy.setType(QNetworkProxy.NoProxy)
|
|
QNetworkProxy.setApplicationProxy(proxy)
|
|
|
|
# we must have a usable temp dir
|
|
try:
|
|
tempfile.gettempdir()
|
|
except:
|
|
QMessageBox.critical(
|
|
None,
|
|
tr(TR.QT_MISC_ERROR),
|
|
tr(TR.QT_MISC_NO_TEMP_FOLDER),
|
|
)
|
|
return None
|
|
|
|
if pmLoadResult.firstTime:
|
|
pm.setDefaultLang(lang[0])
|
|
|
|
if pmLoadResult.loadError:
|
|
QMessageBox.warning(
|
|
None,
|
|
tr(TR.PROFILES_PREFS_CORRUPT_TITLE),
|
|
tr(TR.PROFILES_PREFS_FILE_IS_CORRUPT),
|
|
)
|
|
|
|
if opts.profile:
|
|
pm.openProfile(opts.profile)
|
|
|
|
# i18n & backend
|
|
backend = setupLangAndBackend(pm, app, opts.lang, pmLoadResult.firstTime)
|
|
|
|
driver = pm.video_driver()
|
|
if isLin and driver == VideoDriver.OpenGL:
|
|
from aqt.utils import gfxDriverIsBroken
|
|
|
|
if gfxDriverIsBroken():
|
|
pm.set_video_driver(driver.next())
|
|
QMessageBox.critical(
|
|
None,
|
|
tr(TR.QT_MISC_ERROR),
|
|
tr(TR.QT_MISC_INCOMPATIBLE_VIDEO_DRIVER),
|
|
)
|
|
sys.exit(1)
|
|
|
|
# load the main window
|
|
import aqt.main
|
|
|
|
mw = aqt.main.AnkiQt(app, pm, backend, opts, args)
|
|
if exec:
|
|
app.exec()
|
|
else:
|
|
return app
|
|
|
|
if PROFILE_CODE:
|
|
write_profile_results()
|
|
|
|
return None
|