anki/qt/aqt/errors.py

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2019-02-05 04:59:03 +01:00
# Copyright: Ankitects Pty Ltd and contributors
# -*- coding: utf-8 -*-
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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import html
import re
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import sys
import traceback
from markdown import markdown
from anki.lang import _
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from aqt import mw
from aqt.qt import *
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from aqt.utils import TR, showText, showWarning, supportText, tr
if not os.environ.get("DEBUG"):
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def excepthook(etype, val, tb):
sys.stderr.write(
"Caught exception:\n%s\n"
% ("".join(traceback.format_exception(etype, val, tb)))
)
sys.excepthook = excepthook
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class ErrorHandler(QObject):
"Catch stderr and write into buffer."
ivl = 100
errorTimer = pyqtSignal()
def __init__(self, mw):
QObject.__init__(self, mw)
self.mw = mw
self.timer = None
self.errorTimer.connect(self._setTimer)
self.pool = ""
self._oldstderr = sys.stderr
sys.stderr = self
def unload(self):
sys.stderr = self._oldstderr
sys.excepthook = None
def write(self, data):
# dump to stdout
sys.stdout.write(data)
# save in buffer
self.pool += data
# and update timer
self.setTimer()
def setTimer(self):
# we can't create a timer from a different thread, so we post a
# message to the object on the main thread
self.errorTimer.emit()
def _setTimer(self):
if not self.timer:
self.timer = QTimer(self.mw)
self.timer.timeout.connect(self.onTimeout)
self.timer.setInterval(self.ivl)
self.timer.setSingleShot(True)
self.timer.start()
def tempFolderMsg(self):
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return _(
"""Unable to access Anki media folder. The permissions on \
your system's temporary folder may be incorrect."""
)
def onTimeout(self):
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error = html.escape(self.pool)
self.pool = ""
self.mw.progress.clear()
if "abortSchemaMod" in error:
return
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if "10013" in error:
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return showWarning(
_(
"Your firewall or antivirus program is preventing Anki from creating a connection to itself. Please add an exception for Anki."
)
)
if "install mplayer" in error:
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return showWarning(
_(
"Sound and video on cards will not function until mpv or mplayer is installed."
)
)
if "no default input" in error.lower():
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return showWarning(
_(
"Please connect a microphone, and ensure "
"other programs are not using the audio device."
)
)
if "invalidTempFolder" in error:
return showWarning(self.tempFolderMsg())
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if "Beautiful Soup is not an HTTP client" in error:
return
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if "database or disk is full" in error or "Errno 28" in error:
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return showWarning(
_(
"Your computer's storage may be full. Please delete some unneeded files, then try again."
)
)
if "disk I/O error" in error:
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showWarning(markdown(tr(TR.ERRORS_ACCESSING_DB)))
return
if self.mw.addonManager.dirty:
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txt = markdown(tr(TR.ERRORS_ADDONS_ACTIVE_POPUP))
error = supportText() + self._addonText(error) + "\n" + error
else:
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txt = markdown(tr(TR.ERRORS_STANDARD_POPUP))
error = supportText() + "\n" + error
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# show dialog
txt = txt + "<div style='white-space: pre-wrap'>" + error + "</div>"
showText(txt, type="html", copyBtn=True)
def _addonText(self, error):
matches = re.findall(r"addons21/(.*?)/", error)
if not matches:
return ""
# reverse to list most likely suspect first, dict to deduplicate:
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addons = [
mw.addonManager.addonName(i) for i in dict.fromkeys(reversed(matches))
]
# highlight importance of first add-on:
addons[0] = "<b>{}</b>".format(addons[0])
addons_str = ", ".join(addons)
return tr(TR.ADDONS_POSSIBLY_INVOLVED, addons=addons_str) + "\n"