def setupLangAndBackend(
pm: ProfileManager,
app: QApplication,
force: Optional[str] = None,
firstTime: bool = False,
) -> RustBackend:
global _qtrans
try:
locale.setlocale(locale.LC_ALL, "")
except:
pass
# add _ and ngettext globals used by legacy code
def fn__(arg) -> None: # type: ignore
print("".join(traceback.format_stack()[-2]))
print("_ global will break in the future; please see anki/lang.py")
return arg
def fn_ngettext(a, b, c) -> None: # type: ignore
print("".join(traceback.format_stack()[-2]))
print(
"ngettext global will break in the future; please see anki/lang.py"
)
return b
builtins.__dict__["_"] = fn__
builtins.__dict__["ngettext"] = fn_ngettext
# get lang and normalize into ja/zh-CN form
if firstTime:
lang = pm.meta["defaultLang"]
else:
lang = force or pm.meta["defaultLang"]
lang = anki.lang.lang_to_disk_lang(lang)
if not firstTime:
# set active language
anki.lang.set_lang(lang)
# switch direction for RTL languages
if anki.lang.is_rtl(lang):
app.setLayoutDirection(Qt.RightToLeft)
else:
app.setLayoutDirection(Qt.LeftToRight)
# load qt translations
_qtrans = QTranslator()
from aqt.utils import aqt_data_folder
if isMac and getattr(sys, "frozen", False):
qt_dir = os.path.abspath(
os.path.join(aqt_data_folder(), "..", "qt_translations"))
else:
qt_dir = QLibraryInfo.location(QLibraryInfo.TranslationsPath)
qt_lang = lang.replace("-", "_")
if _qtrans.load(f"qtbase_{qt_lang}", qt_dir):
app.installTranslator(_qtrans)
return anki.lang.current_i18n
def _getExportFolder():
data_folder = aqt_data_folder()
webInSrcFolder = os.path.abspath(os.path.join(data_folder, "web"))
if os.path.exists(webInSrcFolder):
return webInSrcFolder
elif isMac:
dir = os.path.dirname(os.path.abspath(__file__))
return os.path.abspath(dir + "/../../Resources/web")
else:
raise Exception("couldn't find web folder")
def _getExportFolder():
data_folder = aqt_data_folder()
webInSrcFolder = os.path.abspath(os.path.join(data_folder, "web"))
if os.path.exists(webInSrcFolder):
return webInSrcFolder
elif isMac:
dir = os.path.dirname(os.path.abspath(__file__))
return os.path.abspath(dir + "/../../Resources/web")
else:
if os.environ.get("TEST_TARGET"):
# running tests in bazel; we have no data
return "."
else:
raise Exception("couldn't find web folder")
def _run(argv: Optional[list[str]] = None,
exec: bool = True) -> Optional[AnkiApp]:
"""Start AnkiQt application or reuse an existing instance if one exists.
If the function is invoked with exec=False, the AnkiQt will not enter
the main event loop - instead the application object will be returned.
The 'exec' and 'argv' arguments will be useful for testing purposes.
If no 'argv' is supplied then 'sys.argv' will be used.
"""
global mw
global profiler
if argv is None:
argv = sys.argv
# parse args
opts, args = parseArgs(argv)
if opts.version:
print(f"Anki {appVersion}")
return None
elif opts.syncserver:
from anki.syncserver import serve
serve()
return None
if PROFILE_CODE:
profiler = cProfile.Profile()
profiler.enable()
if (getattr(sys, "frozen", False)
and os.getenv("QT_QPA_PLATFORM") == "wayland"
and not os.getenv("ANKI_WAYLAND")):
# users need to opt in to wayland support, given the issues it has
print("Wayland support is disabled by default due to bugs.")
print("You can force it on with an env var: ANKI_WAYLAND=1")
os.environ["QT_QPA_PLATFORM"] = "xcb"
# default to specified/system language before getting user's preference so that we can localize some more strings
lang = anki.lang.get_def_lang(opts.lang)
anki.lang.set_lang(lang[1])
# profile manager
pm = None
try:
pm = ProfileManager(opts.base)
pmLoadResult = pm.setupMeta()
except:
# will handle below
traceback.print_exc()
pm = None
if pm:
# gl workarounds
setupGL(pm)
# apply user-provided scale factor
os.environ["QT_SCALE_FACTOR"] = str(pm.uiScale())
# opt in to full hidpi support?
if not os.environ.get("ANKI_NOHIGHDPI") and qtmajor == 5:
QCoreApplication.setAttribute(
Qt.ApplicationAttribute.AA_EnableHighDpiScaling) # type: ignore
QCoreApplication.setAttribute(
Qt.ApplicationAttribute.AA_UseHighDpiPixmaps) # type: ignore
os.environ["QT_ENABLE_HIGHDPI_SCALING"] = "1"
os.environ["QT_SCALE_FACTOR_ROUNDING_POLICY"] = "PassThrough"
# Opt into software rendering. Useful for buggy systems.
if os.environ.get("ANKI_SOFTWAREOPENGL"):
QCoreApplication.setAttribute(
Qt.ApplicationAttribute.AA_UseSoftwareOpenGL)
if (isWin and qtmajor == 5
and (qtminor == 14 or (qtminor == 15 and qtpoint == 0))
and "QT_QPA_PLATFORM" not in os.environ):
os.environ["QT_QPA_PLATFORM"] = "windows:altgr"
# create the app
QCoreApplication.setApplicationName("Anki")
QGuiApplication.setDesktopFileName("anki.desktop")
app = AnkiApp(argv)
if app.secondInstance():
# we've signaled the primary instance, so we should close
return None
if not pm:
QMessageBox.critical(
None,
tr.qt_misc_error(),
tr.profiles_could_not_create_data_folder(),
)
return None
# disable icons on mac; this must be done before window created
if isMac:
app.setAttribute(Qt.ApplicationAttribute.AA_DontShowIconsInMenus)
# disable help button in title bar on qt versions that support it
if isWin and qtmajor == 5 and qtminor >= 10:
QApplication.setAttribute(
QApplication.Attribute.
AA_DisableWindowContextHelpButton # type: ignore
)
# proxy configured?
from urllib.request import getproxies, proxy_bypass
disable_proxies = False
try:
if "http" in getproxies():
# if it's not set up to bypass localhost, we'll
# need to disable proxies in the webviews
if not proxy_bypass("127.0.0.1"):
disable_proxies = True
except UnicodeDecodeError:
# proxy_bypass can't handle unicode in hostnames; assume we need
# to disable proxies
disable_proxies = True
if disable_proxies:
print("webview proxy use disabled")
proxy = QNetworkProxy()
proxy.setType(QNetworkProxy.ProxyType.NoProxy)
QNetworkProxy.setApplicationProxy(proxy)
# we must have a usable temp dir
try:
tempfile.gettempdir()
except:
QMessageBox.critical(
None,
tr.qt_misc_error(),
tr.qt_misc_no_temp_folder(),
)
return None
# make image resources available
from aqt.utils import aqt_data_folder
QDir.addSearchPath("icons", os.path.join(aqt_data_folder(), "qt", "icons"))
if pmLoadResult.firstTime:
pm.setDefaultLang(lang[0])
if pmLoadResult.loadError:
QMessageBox.warning(
None,
tr.profiles_prefs_corrupt_title(),
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.qt_misc_error(),
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
def _getExportFolder() -> str:
if not (data_folder := os.getenv("ANKI_DATA_FOLDER")):
data_folder = aqt_data_folder()
