anki/aqt/errors.py

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# Copyright: Damien Elmes <anki@ichi2.net>
# -*- coding: utf-8 -*-
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
import sys, traceback
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import cgi
from anki.lang import _
from aqt.qt import *
from aqt.utils import showText, showWarning
def excepthook(etype,val,tb):
sys.stderr.write("Caught exception:\n%s%s\n" % (
''.join(traceback.format_tb(tb)),
'{0}: {1}'.format(etype, val)))
sys.excepthook = excepthook
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 = ""
sys.stderr = self
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):
return _("""\
The permissions on your system's temporary folder are incorrect, and Anki is \
not able to correct them automatically. Please search for 'temp folder' in the \
Anki manual for more information.""")
def onTimeout(self):
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error = cgi.escape(self.pool)
self.pool = ""
self.mw.progress.clear()
if "abortSchemaMod" in error:
return
if "Pyaudio not" in error:
return showWarning(_("Please install PyAudio"))
if "install mplayer" in error:
return showWarning(_("Please install mplayer"))
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())
if "disk I/O error" in error:
return showWarning(_("""\
An error occurred while accessing the database.
Possible causes:
- Antivirus, firewall, backup, or synchronization software may be \
interfering with Anki. Try disabling such software and see if the \
problem goes away.
- Your disk may be full.
- The Documents/Anki folder may be on a network drive.
- Files in the Documents/Anki folder may not be writeable.
- Your hard disk may have errors.
It's a good idea to run Tools>Check Database to ensure your collection \
is not corrupt.
"""))
stdText = _("""\
An error occurred. It may have been caused by a harmless bug, <br>
or your deck may have a problem.
<p>To confirm it's not a problem with your deck, please run
<b>Tools &gt; Check Database</b>.
<p>If that doesn't fix the problem, please copy the following<br>
into a bug report:""")
pluginText = _("""\
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An error occurred in an add-on.<br>
Please post on the add-on forum:<br>%s<br>""")
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pluginText %= "https://anki.tenderapp.com/discussions/add-ons"
if "addon" in error:
txt = pluginText
else:
txt = stdText
# show dialog
txt = txt + "<div style='white-space: pre-wrap'>" + error + "</div>"
showText(txt, type="html")