def timer(self, ms, func, repeat, requiresCollection=True): def handler(): if self.inDB or self._levels: # retry in 100ms self.timer(100, func, False, requiresCollection) elif not self.mw.col and requiresCollection: # ignore timer events that fire after collection has been # unloaded print("Ignored progress func as collection unloaded: %s" % repr(func)) else: func() t = QTimer(self.mw) if not repeat: t.setSingleShot(True) t.timeout.connect(handler) t.start(ms) return t
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): return _("""Unable to access Anki media folder. The permissions on \ your system's temporary folder may be incorrect.""") def onTimeout(self): error = html.escape(self.pool) self.pool = "" self.mw.progress.clear() if "abortSchemaMod" in error: return if "10013" in error: return showWarning( _("Your firewall or antivirus program is preventing Anki from creating a connection to itself. Please add an exception for Anki." )) if "Pyaudio not" in error: return showWarning(_("Please install PyAudio")) if "install mplayer" in error: return showWarning( _("Sound and video on cards will not function until mpv or mplayer is installed." )) if "no default input" in error.lower(): 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 "Beautiful Soup is not an HTTP client" in error: return if "database or disk is full" in error: return showWarning( _("Your computer's storage may be full. Please delete some unneeded files, then try again." )) 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 = _("""\ <h1>Error</h1> <p>An error occurred. Please use <b>Tools > Check Database</b> to see if \ that fixes the problem.</p> <p>If problems persist, please report the problem on our \ <a href="https://help.ankiweb.net">support site</a>. Please copy and paste \ the information below into your report.</p>""") pluginText = _("""\ <h1>Error</h1> <p>An error occurred. Please start Anki while holding down the shift \ key, which will temporarily disable the add-ons you have installed.</p> <p>If the issue only occurs when add-ons are enabled, please use the \ Tools>Add-ons menu item to disable some add-ons and restart Anki, \ repeating until you discover the add-on that is causing the problem.</p> <p>When you've discovered the add-on that is causing the problem, please \ report the issue on the <a href="https://help.ankiweb.net/discussions/add-ons/">\ add-ons section</a> of our support site. <p>Debug info:</p> """) if self.mw.addonManager.dirty: txt = pluginText error = supportText() + self._addonText(error) + "\n" + error else: txt = stdText error = supportText() + "\n" + error # 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: addons = [ aqt_mw.addonManager.addonName(i) for i in dict.fromkeys(reversed(matches)) ] txt = _("""Add-ons possibly involved: {}\n""") # highlight importance of first add-on: addons[0] = "<b>{}</b>".format(addons[0]) return txt.format(", ".join(addons))