270 lines
9.2 KiB
Python
270 lines
9.2 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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from __future__ import annotations
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import html
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import re
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import sys
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import traceback
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from typing import TYPE_CHECKING, Optional, TextIO, cast
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from markdown import markdown
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import aqt
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from anki.errors import BackendError, Interrupted
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from aqt.qt import *
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from aqt.utils import showText, showWarning, supportText, tr
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if TYPE_CHECKING:
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from aqt.main import AnkiQt
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def show_exception(*, parent: QWidget, exception: Exception) -> None:
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"Present a caught exception to the user using a pop-up."
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if isinstance(exception, Interrupted):
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# nothing to do
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return
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if isinstance(exception, BackendError):
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if exception.context:
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print(exception.context)
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if exception.backtrace:
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print(exception.backtrace)
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showWarning(str(exception), parent=parent, help=exception.help_page)
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else:
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# if the error is not originating from the backend, dump
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# a traceback to the console to aid in debugging
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traceback.print_exception(
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None, exception, exception.__traceback__, file=sys.stdout
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)
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showWarning(str(exception), parent=parent)
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def is_chromium_cert_error(error: str) -> bool:
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"""QtWebEngine sometimes spits out 'unknown error' messages to stderr on Windows.
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They appear to be IDS_SETTINGS_CERTIFICATE_MANAGER_UNKNOWN_ERROR in
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chrome/browser/ui/webui/certificates_handler.cc. At a guess, it's the
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NetErrorToString() method.
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The constant appears to get converted to an ID; the resources are found
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in files like this:
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chrome/app/resources/generated_resources_fr-CA.xtb
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2258:<translation id="3380365263193509176">Erreur inconnue</translation>
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List derived with:
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qtwebengine-chromium% rg --no-heading --no-filename --no-line-number \
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3380365263193509176 | perl -pe 's/.*>(.*)<.*/"$1",/' | sort | uniq
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This list has been manually updated to add a different Japanese translation, as
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the translations may change in different Chromium releases.
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Judging by error reports, we can't assume the error falls on a separate line:
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https://forums.ankiweb.net/t/topic/22036/
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"""
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if not is_win:
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return False
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for msg in (
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"알 수 없는 오류가 발생했습니다.",
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"Bilinmeyen hata",
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"Eroare necunoscută",
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"Erreur inconnue",
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"Erreur inconnue.",
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"Erro descoñecido",
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"Erro desconhecido",
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"Error desconegut",
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"Error desconocido",
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"Errore ezezaguna",
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"Errore sconosciuto",
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"Gabim i panjohur",
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"Hindi kilalang error",
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"Hitilafu isiyojulikana",
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"Iphutha elingaziwa",
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"Ismeretlen hiba",
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"Kesalahan tidak dikenal",
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"Lỗi không xác định",
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"Naməlum xəta",
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"Nepoznata greška",
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"Nepoznata pogreška",
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"Nezināma kļūda",
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"Nežinoma klaida",
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"Neznáma chyba",
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"Neznámá chyba",
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"Neznana napaka",
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"Nieznany błąd",
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"Noma’lum xatolik",
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"Okänt fel",
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"Onbekende fout",
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"Óþekkt villa",
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"Ralat tidak diketahui",
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"Tundmatu viga",
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"Tuntematon virhe",
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"Ukendt fejl",
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"Ukjent feil",
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"Unbekannter Fehler",
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"Unknown error",
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"Άγνωστο σφάλμα",
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"Белгисиз ката",
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"Белгісіз қате",
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"Невідома помилка",
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"Невядомая памылка",
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"Неизвестна грешка",
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"Неизвестная ошибка",
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"Непозната грешка",
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"Үл мэдэгдэх алдаа",
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"უცნობი შეცდომა",
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"Անհայտ սխալ",
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"שגיאה לא ידועה",
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"خطأ غير معروف",
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"خطای ناشناس",
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"نامعلوم خرابی",
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"ያልታወቀ ስህተት",
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"अज्ञात एरर",
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"अज्ञात गड़बड़ी",
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"अज्ञात त्रुटि",
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"অজানা ত্রুটি",
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"অজ্ঞাত আসোঁৱাহ",
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"ਅਗਿਆਤ ਗੜਬੜ",
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"અજ્ઞાત ભૂલ",
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"ଅଜଣା ତୃଟି",
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"அறியப்படாத பிழை",
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"తెలియని ఎర్రర్",
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"ಅಪರಿಚಿತ ದೋಷ",
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"അജ്ഞാതമായ പിശക്",
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"නොදන්නා දෝෂය",
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"ข้อผิดพลาดที่ไม่รู้จัก",
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"ຄວາມຜິດພາດທີ່ບໍ່ຮູ້ຈັກ",
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"မသိရ အမှား",
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"កំហុសឆ្គងមិនស្គាល់",
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"不明なエラー",
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"未知のエラー",
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"未知的錯誤",
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"未知错误",
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):
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if error.startswith(msg):
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return True
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return False
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if not os.environ.get("DEBUG"):
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def excepthook(etype, val, tb) -> None: # type: ignore
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sys.stderr.write(
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"Caught exception:\n%s\n"
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% ("".join(traceback.format_exception(etype, val, tb)))
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)
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sys.excepthook = excepthook
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class ErrorHandler(QObject):
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"Catch stderr and write into buffer."
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ivl = 100
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fatal_error_encountered = False
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errorTimer = pyqtSignal()
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def __init__(self, mw: AnkiQt) -> None:
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QObject.__init__(self, mw)
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self.mw = mw
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self.timer: Optional[QTimer] = None
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qconnect(self.errorTimer, self._setTimer)
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self.pool = ""
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self._oldstderr = sys.stderr
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sys.stderr = cast(TextIO, self)
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def unload(self) -> None:
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sys.stderr = self._oldstderr
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sys.excepthook = None
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def write(self, data: str) -> None:
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# dump to stdout
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sys.stdout.write(data)
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# save in buffer
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self.pool += data
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# and update timer
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self.setTimer()
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def setTimer(self) -> None:
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# we can't create a timer from a different thread, so we post a
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# message to the object on the main thread
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self.errorTimer.emit() # type: ignore
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def _setTimer(self) -> None:
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if not self.timer:
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self.timer = QTimer(self.mw)
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qconnect(self.timer.timeout, self.onTimeout)
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self.timer.setInterval(self.ivl)
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self.timer.setSingleShot(True)
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self.timer.start()
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def tempFolderMsg(self) -> str:
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return tr.qt_misc_unable_to_access_anki_media_folder()
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def onTimeout(self) -> None:
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if self.fatal_error_encountered:
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# suppress follow-up errors caused by the poisoned lock
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return
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error = html.escape(self.pool)
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self.pool = ""
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self.mw.progress.clear()
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if "AbortSchemaModification" in error:
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return
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if "DeprecationWarning" in error:
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return
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if "10013" in error:
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showWarning(tr.qt_misc_your_firewall_or_antivirus_program_is())
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return
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if "invalidTempFolder" in error:
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showWarning(self.tempFolderMsg())
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return
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if "Beautiful Soup is not an HTTP client" in error:
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return
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if "database or disk is full" in error or "Errno 28" in error:
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showWarning(tr.qt_misc_your_computers_storage_may_be_full())
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return
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if "disk I/O error" in error:
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showWarning(markdown(tr.errors_accessing_db()))
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return
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if is_chromium_cert_error(error):
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return
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if "PanicException" in error:
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self.fatal_error_encountered = True
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txt = markdown(
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"**A fatal error occurred, and Anki must close. Please report this message on the forums.**"
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)
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error = f"{supportText() + self._addonText(error)}\n{error}"
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elif self.mw.addonManager.dirty:
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# Older translations include a link to the old discussions site; rewrite it to a newer one
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message = tr.errors_addons_active_popup().replace(
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"https://help.ankiweb.net/discussions/add-ons/",
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"https://forums.ankiweb.net/c/add-ons/11",
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)
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txt = markdown(message)
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error = f"{supportText() + self._addonText(error)}\n{error}"
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else:
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txt = markdown(tr.errors_standard_popup())
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error = f"{supportText()}\n{error}"
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# show dialog
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txt = f"{txt}<div style='white-space: pre-wrap'>{error}</div>"
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showText(txt, type="html", copyBtn=True)
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if self.fatal_error_encountered:
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sys.exit(1)
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def _addonText(self, error: str) -> str:
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matches = re.findall(r"addons21(/|\\)(.*?)(/|\\)", error)
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if not matches:
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return ""
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# reverse to list most likely suspect first, dict to deduplicate:
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addons = [
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aqt.mw.addonManager.addonName(i[1])
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for i in dict.fromkeys(reversed(matches))
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]
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# highlight importance of first add-on:
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addons[0] = f"<b>{addons[0]}</b>"
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addons_str = ", ".join(addons)
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return f"{tr.addons_possibly_involved(addons=addons_str)}\n"
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