Exemple #1
0
    def display_downloaded_content(self):
        """Open downloaded non-html content in a separate application.

        Called when an unsupported content type is finished downloading.
        """
        file_path = (
            QDir.toNativeSeparators(
                QDir.tempPath() + "/XXXXXX_" + self.content_filename
            )
        )
        myfile = QTemporaryFile(file_path)
        myfile.setAutoRemove(False)
        if myfile.open():
            myfile.write(self.reply.readAll())
            myfile.close()
            subprocess.Popen([
                (self.config.get("content_handlers")
                 .get(str(self.content_type))),
                myfile.fileName()
            ])

            # Sometimes downloading files opens an empty window.
            # So if the current window has no URL, close it.
            if(str(self.url().toString()) in ('', 'about:blank')):
                self.close()
Exemple #2
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    def display_downloaded_content(self):
        """Open downloaded non-html content in a separate application.

        Called when an unsupported content type is finished downloading.
        """
        debug("displaying downloaded content from {}".format(self.reply.url()))

        file_path = (
            QDir.toNativeSeparators(
                QDir.tempPath() + "/XXXXXX_" + self.content_filename
            )
        )
        myfile = QTemporaryFile(file_path)
        myfile.setAutoRemove(False)
        if myfile.open():
            myfile.write(self.reply.readAll())
            myfile.close()
            subprocess.Popen([
                (self.config.get("content_handlers")
                 .get(str(self.content_type))),
                myfile.fileName()
            ])

            # Sometimes downloading files opens an empty window.
            # So if the current window has no URL, close it.
            if(str(self.url().toString()) in ('', 'about:blank')):
                self.close()
Exemple #3
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    def run(self):
        returned = []
        # TODO: Should pop up modal if not confident in the structure results!
        index = None
        pid = None
        struct = None
        structseq = None
        uniID = None
        alignoff = 0
        result = None
        ids = []
        coordinates = None
        line = None
        i = 0
        x = None
        data = None
        structs = None
        struct0 = None
        offset = 0
        start = None
        end = None
        parser = None
        tmp = None
        url = None
        myfile = None

        for seq in self.seqs:
            if self.nodes:
                index = self.nodes[self.seqs.index(seq)]
            pid = seq.id
            self.PDBLogger.info("Searching with ID %s" % pid)
            self.logger.emit("Searching with ID %s" % pid)
            uniID = self.u.search(pid,
                                  columns="id, genes, organism, protein names")
            if uniID:
                self.PDBLogger.info('Results!\n\n%s' % uniID)
                self.logger.emit('Results collected for search: %s' % uniID)
                result = uniID.split("\n")
                for line in result[1:]:
                    ids.append(line.split("\t"))
                while coordinates == None:
                    self.PDBLogger.info('Attempting search with %s from %s' %
                                        (ids[i][1], ids[i][2]))
                    self.logger.emit('Attempting search with %s from %s' %
                                     (ids[i][1], ids[i][2]))
                    structurl = "https://swissmodel.expasy.org/repository/uniprot/%s.json" % ids[
                        i][0]
                    self.PDBLogger.debug(
                        'Searching SwissModel repository: %s' % structurl)
                    self.logger.emit('Searching SwissModel for structure')
                    try:
                        with urllib.request.urlopen(structurl) as url:
                            data = json.loads(url.read().decode())
                        if data['result']:
                            #print("Data found")
                            result = data['result']
                            if result['structures']:
                                #print("structures found")
                                structs = result['structures']
                                structseq = result['sequence']
                                self.PDBLogger.info(
                                    "QUERY: \n%s" %
                                    str(seq.seq).replace("-", ""))
                                self.PDBLogger.info("RESULT: \n%s" % structseq)
                                if str(seq.seq).replace("-", "") == structseq:
                                    # They should match, else keep looking
                                    if structs[0]:
                                        # print("accessing first model")
                                        struct0 = structs[0]
                                        if struct0['coordinates']:
                                            coordinates = struct0[
                                                'coordinates']
                                            alignoff = int(
                                                struct0['chains']['A'][0]
                                                ['uniprot']['from']) - 1
                                            self.PDBLogger.debug(
                                                "MODEL ACQUIRED")
                                            self.logger.emit('MODEL ACQUIRED!')
                                        else:
                                            i += 1
                                            continue
                                    else:
                                        i += 1
                                        continue
                                else:
                                    self.PDBLogger.debug(
                                        "Seq didn't match, trying with next model"
                                    )
                                    i += 1
                                    continue
                            else:
                                i += 1
                                continue
                        elif i == len(ids):
                            self.PDBLogger.info("Sorry, no models found")
                            break
                        else:
                            i += 1
                            continue
                    except HTTPError:
                        break

                if coordinates:
                    start = structseq[:7]
                    #print(start)
                    for x in range(len(seq)):
                        end = x + 7
                        if str(seq.seq)[x:end] == start:
                            self.PDBLogger.debug(
                                "Sequence offset is %s residues" % x)
                            offset = x + alignoff
                            self.PDBLogger.info(
                                "Alignment offset is %s residues" % offset)
                            self.logger.emit(
                                "Alignment offset is %s residues" % offset)
                    parser = PDB.PDBParser()
                    tmp = QTemporaryFile()
                    with urllib.request.urlopen(coordinates) as url:
                        myfile = url.read()
                        if tmp.open():
                            tmp.write(myfile)
                            struct = parser.get_structure(
                                ids[1], tmp.fileName())
                            self.PDBLogger.debug("STRUCTURE PARSED")
                            self.logger.emit("STRUCTURE PARSED")
                            #print(struct, type(struct))
                            returned.append([struct, seq, index, offset])

                else:
                    self.PDBLogger.debug("Sorry, no models found!!!")
            else:
                self.PDBLogger.info("NO STRUCTURE FOUND")
                self.logger.emit("No structure found, sorry!")
            self.finished.emit(returned)
            del returned, index, uniID, result, ids, line, coordinates, i, x, url, start, offset, tmp, parser, seq, struct, structseq, alignoff
Exemple #4
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    def save(self):
        """
        Public slot to save the history entries to disk.
        """
        historyFile = QFile(self.getFileName())
        if not historyFile.exists():
            self.__lastSavedUrl = ""

        saveAll = self.__lastSavedUrl == ""
        first = len(self.__history) - 1
        if not saveAll:
            # find the first one to save
            for index in range(len(self.__history)):
                if self.__history[index].url == self.__lastSavedUrl:
                    first = index - 1
                    break
        if first == len(self.__history) - 1:
            saveAll = True

        if saveAll:
            # use a temporary file when saving everything
            f = QTemporaryFile()
            f.setAutoRemove(False)
            opened = f.open()
        else:
            f = historyFile
            opened = f.open(QIODevice.Append)

        if not opened:
            E5MessageBox.warning(
                None,
                self.tr("Saving History"),
                self.tr("""<p>Unable to open history file <b>{0}</b>.<br/>""" """Reason: {1}</p>""").format(
                    f.fileName(), f.errorString()
                ),
            )
            return

        for index in range(first, -1, -1):
            data = QByteArray()
            stream = QDataStream(data, QIODevice.WriteOnly)
            stream.setVersion(QDataStream.Qt_4_6)
            itm = self.__history[index]
            stream.writeUInt32(HISTORY_VERSION)
            stream.writeString(itm.url.encode("utf-8"))
            stream << itm.dateTime
            stream.writeString(itm.title.encode("utf-8"))
            f.write(data)

        f.close()
        if saveAll:
            if historyFile.exists() and not historyFile.remove():
                E5MessageBox.warning(
                    None,
                    self.tr("Saving History"),
                    self.tr("""<p>Error removing old history file <b>{0}</b>.""" """<br/>Reason: {1}</p>""").format(
                        historyFile.fileName(), historyFile.errorString()
                    ),
                )
            if not f.copy(historyFile.fileName()):
                E5MessageBox.warning(
                    None,
                    self.tr("Saving History"),
                    self.tr(
                        """<p>Error moving new history file over old one """ """(<b>{0}</b>).<br/>Reason: {1}</p>"""
                    ).format(historyFile.fileName(), f.errorString()),
                )
        self.historySaved.emit()
        try:
            self.__lastSavedUrl = self.__history[0].url
        except IndexError:
            self.__lastSavedUrl = ""
Exemple #5
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    def save(self):
        """
        Public slot to save the history entries to disk.
        """
        historyFile = QFile(self.getFileName())
        if not historyFile.exists():
            self.__lastSavedUrl = ""

        saveAll = self.__lastSavedUrl == ""
        first = len(self.__history) - 1
        if not saveAll:
            # find the first one to save
            for index in range(len(self.__history)):
                if self.__history[index].url == self.__lastSavedUrl:
                    first = index - 1
                    break
        if first == len(self.__history) - 1:
            saveAll = True

        if saveAll:
            # use a temporary file when saving everything
            f = QTemporaryFile()
            f.setAutoRemove(False)
            opened = f.open()
        else:
            f = historyFile
            opened = f.open(QIODevice.Append)

        if not opened:
            E5MessageBox.warning(
                None, self.tr("Saving History"),
                self.tr("""<p>Unable to open history file <b>{0}</b>.<br/>"""
                        """Reason: {1}</p>""").format(f.fileName(),
                                                      f.errorString()))
            return

        for index in range(first, -1, -1):
            data = QByteArray()
            stream = QDataStream(data, QIODevice.WriteOnly)
            stream.setVersion(QDataStream.Qt_4_6)
            itm = self.__history[index]
            stream.writeUInt32(HISTORY_VERSION)
            stream.writeString(itm.url.encode("utf-8"))
            stream << itm.dateTime
            stream.writeString(itm.title.encode('utf-8'))
            f.write(data)

        f.close()
        if saveAll:
            if historyFile.exists() and not historyFile.remove():
                E5MessageBox.warning(
                    None, self.tr("Saving History"),
                    self.tr(
                        """<p>Error removing old history file <b>{0}</b>."""
                        """<br/>Reason: {1}</p>""").format(
                            historyFile.fileName(), historyFile.errorString()))
            if not f.copy(historyFile.fileName()):
                E5MessageBox.warning(
                    None, self.tr("Saving History"),
                    self.tr(
                        """<p>Error moving new history file over old one """
                        """(<b>{0}</b>).<br/>Reason: {1}</p>""").format(
                            historyFile.fileName(), f.errorString()))
        self.historySaved.emit()
        try:
            self.__lastSavedUrl = self.__history[0].url
        except IndexError:
            self.__lastSavedUrl = ""
Exemple #6
0
class TranslatorWidget(QWidget, Ui_TranslatorWidget):
    """
    Class implementing the translator widget.
    """
    def __init__(self, plugin, translator, parent=None):
        """
        Constructor
        
        @param plugin reference to the plugin object (TranslatorPlugin)
        @param translator reference to the translator object (Translator)
        @param parent reference to the parent widget (QWidget)
        """
        super(TranslatorWidget, self).__init__(parent)
        self.setupUi(self)

        self.__plugin = plugin
        self.__translator = translator

        self.__languages = TranslatorLanguagesDb(self)

        self.__translatorRequest = None
        self.__translationEngine = None

        self.__mediaPlayer = None
        self.__mediaFile = None

        audioAvailable = (MULTIMEDIA_AVAILABLE
                          and bool(QMediaPlayer.hasSupport("audio/mpeg")))
        self.pronounceOrigButton.setVisible(audioAvailable)
        self.pronounceTransButton.setVisible(audioAvailable)

        self.pronounceOrigButton.setIcon(
            self.__translator.getAppIcon("pronounce.png"))
        self.pronounceTransButton.setIcon(
            self.__translator.getAppIcon("pronounce.png"))
        self.swapButton.setIcon(self.__translator.getAppIcon("swap.png"))
        self.translateButton.setIcon(
            self.__translator.getAppIcon("translate.png"))
        self.clearButton.setIcon(UI.PixmapCache.getIcon("editDelete.png"))
        self.preferencesButton.setIcon(UI.PixmapCache.getIcon("configure.png"))

        self.translateButton.setEnabled(False)
        self.clearButton.setEnabled(False)
        self.pronounceOrigButton.setEnabled(False)
        self.pronounceTransButton.setEnabled(False)

        selectedEngine = self.__plugin.getPreferences("SelectedEngine")

        self.__updateEngines()
        engineIndex = self.engineComboBox.findData(selectedEngine)
        self.engineComboBox.setCurrentIndex(engineIndex)
        self.__engineComboBoxCurrentIndexChanged(engineIndex)

        self.engineComboBox.currentIndexChanged.connect(
            self.__engineComboBoxCurrentIndexChanged)
        self.__plugin.updateLanguages.connect(self.__updateLanguages)

    def __updateLanguages(self):
        """
        Private slot to update the language combo boxes.
        """
        self.__ensureTranslationEngineReady()
        if self.__translationEngine is not None:
            supportedCodes = self.__translationEngine.supportedLanguages()
            enabledCodes = self.__plugin.getPreferences("EnabledLanguages")

            # 1. save current selections
            origLanguage = self.origLanguageComboBox.itemData(
                self.origLanguageComboBox.currentIndex())

            # 2. reload the original language combo box
            self.origLanguageComboBox.blockSignals(True)
            self.origLanguageComboBox.clear()
            for code in enabledCodes:
                if code in supportedCodes:
                    language = self.__languages.getLanguage(code)
                    if language:
                        icon = self.__languages.getLanguageIcon(code)
                        self.origLanguageComboBox.addItem(icon, language, code)
            self.origLanguageComboBox.model().sort(0)
            origIndex = self.origLanguageComboBox.findData(origLanguage)
            if origIndex == -1:
                origIndex = 0
            self.origLanguageComboBox.blockSignals(False)
            self.origLanguageComboBox.setCurrentIndex(origIndex)

    def __updateEngines(self):
        """
        Private slot to update the engines combo box.
        """
        currentEngine = self.engineComboBox.itemData(
            self.engineComboBox.currentIndex())
        self.engineComboBox.clear()
        for engineName in TranslatorEngines.supportedEngineNames():
            icon = TranslatorEngines.getEngineIcon(engineName)
            self.engineComboBox.addItem(
                icon, TranslatorEngines.engineDisplayName(engineName),
                engineName)
        self.engineComboBox.model().sort(0)
        self.engineComboBox.setCurrentIndex(
            self.engineComboBox.findData(currentEngine))

    def __originalLanguage(self):
        """
        Private method to return the code of the selected original language.
        
        @return code of the original language (string)
        """
        return self.origLanguageComboBox.itemData(
            self.origLanguageComboBox.currentIndex())

    def __translationLanguage(self):
        """
        Private method to return the code of the selected translation language.
        
        @return code of the translation language (string)
        """
        return self.transLanguageComboBox.itemData(
            self.transLanguageComboBox.currentIndex())

    @pyqtSlot()
    def on_translateButton_clicked(self):
        """
        Private slot to translate the entered text.
        """
        self.transEdit.clear()
        result, ok = self.__translate(self.origEdit.toPlainText(),
                                      self.__originalLanguage(),
                                      self.__translationLanguage())
        if ok:
            self.transEdit.setHtml(result)
        else:
            E5MessageBox.critical(self, self.tr("Translation Error"), result)

    @pyqtSlot()
    def on_pronounceOrigButton_clicked(self):
        """
        Private slot to pronounce the original text.
        """
        self.__pronounce(self.origEdit.toPlainText(),
                         self.__originalLanguage())

    @pyqtSlot()
    def on_pronounceTransButton_clicked(self):
        """
        Private slot to pronounce the translated text.
        """
        self.__pronounce(self.transEdit.toPlainText(),
                         self.__translationLanguage())

    @pyqtSlot()
    def on_swapButton_clicked(self):
        """
        Private slot to swap the languages.
        """
        # save selected language codes
        oLanguage = self.origLanguageComboBox.itemData(
            self.origLanguageComboBox.currentIndex())

        tLanguage = self.transLanguageComboBox.itemData(
            self.transLanguageComboBox.currentIndex())

        oIdx = self.origLanguageComboBox.findData(tLanguage)
        if oIdx < 0:
            oIdx = 0
        self.origLanguageComboBox.setCurrentIndex(oIdx)

        tIdx = self.transLanguageComboBox.findData(oLanguage)
        if tIdx < 0:
            tIdx = 0
        self.transLanguageComboBox.setCurrentIndex(tIdx)

        origText = self.origEdit.toPlainText()
        self.origEdit.setPlainText(self.transEdit.toPlainText())
        self.transEdit.setPlainText(origText)

    @pyqtSlot()
    def on_clearButton_clicked(self):
        """
        Private slot to clear the text fields.
        """
        self.origEdit.clear()
        self.transEdit.clear()

    @pyqtSlot()
    def on_origEdit_textChanged(self):
        """
        Private slot to handle changes of the original text.
        """
        self.__updatePronounceButtons()
        self.__updateClearButton()
        self.__updateTranslateButton()

    @pyqtSlot()
    def on_transEdit_textChanged(self):
        """
        Private slot to handle changes of the translation text.
        """
        self.__updatePronounceButtons()
        self.__updateClearButton()

    @pyqtSlot(int)
    def on_origLanguageComboBox_currentIndexChanged(self, index):
        """
        Private slot to handle the selection of the original language.
        
        @param index current index (integer)
        """
        self.__plugin.setPreferences("OriginalLanguage",
                                     self.origLanguageComboBox.itemData(index))

        supportedTargetCodes = (
            self.__translationEngine.supportedTargetLanguages(
                self.origLanguageComboBox.itemData(index)))
        if supportedTargetCodes is not None:
            enabledCodes = self.__plugin.getPreferences("EnabledLanguages")
            transLanguage = self.transLanguageComboBox.itemData(
                self.transLanguageComboBox.currentIndex())
            self.transLanguageComboBox.clear()
            if len(supportedTargetCodes) > 0:
                for code in enabledCodes:
                    if code in supportedTargetCodes:
                        language = self.__languages.getLanguage(code)
                        if language:
                            icon = self.__languages.getLanguageIcon(code)
                            self.transLanguageComboBox.addItem(
                                icon, language, code)
                self.transLanguageComboBox.model().sort(0)
                index = self.transLanguageComboBox.findData(transLanguage)
                if index == -1:
                    index = 0
                self.transLanguageComboBox.setCurrentIndex(index)

        self.__updateTranslateButton()

    @pyqtSlot(int)
    def on_transLanguageComboBox_currentIndexChanged(self, index):
        """
        Private slot to handle the selection of the translation language.
        
        @param index current index (integer)
        """
        self.__plugin.setPreferences(
            "TranslationLanguage", self.transLanguageComboBox.itemData(index))

    @pyqtSlot()
    def __availableTranslationsLoaded(self):
        """
        Private slot to handle the availability of translations.
        """
        origLanguage = self.__plugin.getPreferences("OriginalLanguage")
        transLanguage = self.__plugin.getPreferences("TranslationLanguage")

        self.__updateLanguages()

        origIndex = self.origLanguageComboBox.findData(origLanguage)
        self.origLanguageComboBox.setCurrentIndex(origIndex)
        self.on_origLanguageComboBox_currentIndexChanged(origIndex)
        self.transLanguageComboBox.setCurrentIndex(
            self.transLanguageComboBox.findData(transLanguage))

    def __ensureTranslationEngineReady(self):
        """
        Private slot to ensure, that the currently selected translation engine
        is ready.
        """
        engineName = self.engineComboBox.itemData(
            self.engineComboBox.currentIndex())
        if (self.__translationEngine is not None
                and self.__translationEngine.engineName() != engineName):
            self.__translationEngine.availableTranslationsLoaded.disconnect(
                self.__availableTranslationsLoaded)
            self.__translationEngine.deleteLater()
            self.__translationEngine = None

        if self.__translationEngine is None:
            self.__translationEngine = TranslatorEngines.getTranslationEngine(
                engineName, self.__plugin, self)
            if self.__translationEngine is not None:
                self.__translationEngine.availableTranslationsLoaded.connect(
                    self.__availableTranslationsLoaded)

    @pyqtSlot(int)
    def __engineComboBoxCurrentIndexChanged(self, index):
        """
        Private slot to handle the selection of a translation service.
        
        @param index current index
        @type int
        """
        self.__ensureTranslationEngineReady()
        if self.__translationEngine is not None:
            self.__updateTranslateButton()
            self.__updatePronounceButtons()

            self.__plugin.setPreferences("SelectedEngine",
                                         self.engineComboBox.itemData(index))

    def __updatePronounceButtons(self):
        """
        Private slot to set the state of the pronounce buttons.
        """
        if self.__translationEngine is not None:
            hasTTS = self.__translationEngine.hasTTS()
        else:
            hasTTS = False
        self.pronounceOrigButton.setEnabled(
            hasTTS and bool(self.origEdit.toPlainText()))
        self.pronounceTransButton.setEnabled(
            hasTTS and bool(self.transEdit.toPlainText()))

    def __updateClearButton(self):
        """
        Private slot to set the state of the clear button.
        """
        enable = (bool(self.origEdit.toPlainText())
                  or bool(self.transEdit.toPlainText()))
        self.clearButton.setEnabled(enable)

    def __updateTranslateButton(self):
        """
        Private slot to set the state of the translate button.
        """
        enable = bool(self.origEdit.toPlainText())
        enable &= bool(self.__translationLanguage())
        enable &= bool(self.__originalLanguage())
        self.translateButton.setEnabled(enable)

    def __translate(self, text, originalLanguage, translationLanguage):
        """
        Private method to translate the given text.
        
        @param text text to be translated (string)
        @param originalLanguage language code of the original (string)
        @param translationLanguage language code of the translation (string)
        @return tuple of translated text (string) and flag indicating
            success (boolean)
        """
        if self.__translatorRequest is None:
            from .TranslatorRequest import TranslatorRequest
            self.__translatorRequest = TranslatorRequest(self)

        self.__ensureTranslationEngineReady()
        if self.__translationEngine is None:
            return "", False
        else:
            result, ok = self.__translationEngine.getTranslation(
                self.__translatorRequest, text, originalLanguage,
                translationLanguage)

            return result, ok

    def __pronounce(self, text, language):
        """
        Private method to pronounce the given text.
        
        @param text text to be pronounced (string)
        @param language language code of the text (string)
        """
        if not text or not language:
            return

        if self.__translatorRequest is None:
            from .TranslatorRequest import TranslatorRequest
            self.__translatorRequest = TranslatorRequest(self)

        if self.__mediaPlayer is None:
            self.__mediaPlayer = QMediaPlayer(self)
            self.__mediaPlayer.stateChanged.connect(
                self.__mediaPlayerStateChanged)

        if self.__mediaPlayer.state() == QMediaPlayer.PlayingState:
            return

        self.__ensureTranslationEngineReady()
        if self.__translationEngine is not None:
            if not self.__translationEngine.hasTTS():
                E5MessageBox.critical(
                    self, self.tr("Translation Error"),
                    self.tr("The selected translation service does not"
                            " support the Text-to-Speech function."))
                return

            data, ok = self.__translationEngine.getTextToSpeechData(
                self.__translatorRequest, text, language)
            if ok:
                self.__mediaFile = QTemporaryFile(self)
                self.__mediaFile.open()
                self.__mediaFile.setAutoRemove(False)
                self.__mediaFile.write(data)

                self.__mediaPlayer.setMedia(QMediaContent(), self.__mediaFile)
                self.__mediaPlayer.play()
            else:
                E5MessageBox.critical(self, self.tr("Translation Error"), data)

    def __mediaPlayerStateChanged(self, state):
        """
        Private slot handling changes of the media player state.
        
        @param state media player state (QAudio.State)
        """
        if state == QMediaPlayer.StoppedState:
            self.__mediaFile.close()
            self.__mediaFile.remove()
            self.__mediaFile = None

    @pyqtSlot()
    def on_preferencesButton_clicked(self):
        """
        Private slot to open the Translator configuration page.
        """
        e5App().getObject("UserInterface").showPreferences("translatorPage")
Exemple #7
0
class EditorWorker(QObject):

    file_change_sig = pyqtSignal(bool)  # is_zim

    def __init__(self,
                 command,
                 old_text,
                 is_zim,
                 zim_folder=None,
                 docid=None,
                 zim_file=None,
                 parent=None):
        '''Observe the write/save states of a txt file to edit notes

        Args:
            command (list): command string list to pass into Popen.
            old_text (str): existing note text to paste into editor.
            is_zim (bool): if True, try open the associated zim note file.
                           if False, open a temp file to edit.
        Kwargs:
            zim_folder (str or None): if not None, the path to the zim note
                                      folder, used to search for zim notes.
            docid (int or None): if not None, id of current doc.
            parent (QWidget or None): parent widget.
        '''
        super(EditorWorker, self).__init__(parent)

        self.is_zim = is_zim
        self.zim_folder = zim_folder
        self.docid = docid
        self.logger = logging.getLogger(__name__)

        if not self.is_zim:
            self._temp_file = QTemporaryFile(self)
        else:
            if zim_file is not None:
                # use given zim file
                if os.path.exists(zim_file) and os.path.islink(zim_file):
                    self._temp_file = QFile(zim_file, self)
                    self.logger.debug('Got given zim file %s' % zim_file)
                else:
                    try:
                        zim_file = locateZimNote(self.zim_folder, self.docid)
                        self._temp_file = QFile(zim_file, self)
                        self.logger.exception(
                            'Failed to open given zim file. Get the id one.')
                    except:
                        self.logger.exception('Failed to find zim file.')
                        self._temp_file = QTemporaryFile(self)
                        self.is_zim = False
            else:
                # no given zim file, get the one in all_notes
                try:
                    zim_file = locateZimNote(self.zim_folder, self.docid)
                    self._temp_file = QFile(zim_file, self)
                    self.logger.debug('Got zim file %s' % zim_file)
                except:
                    self.logger.exception('Failed to find zim file.')
                    self._temp_file = QTemporaryFile(self)
                    self.is_zim = False

        self._process = QProcess(self)
        self._text = ""
        self._watcher = QFileSystemWatcher(self)
        self._watcher.fileChanged.connect(self.onFileChange)

        # write existing lines if temp file
        if not self.is_zim and self._temp_file.open():
            self._temp_file.write(old_text.encode('utf-8'))
            self._temp_file.close()

        # open() on temp file assumes QIODevice.ReadWrite as well.
        if self._temp_file.open(QIODevice.ReadWrite):
            self._file_path = self._temp_file.fileName()
            self._watcher.addPath(self._file_path)
            self.logger.debug('_file_path = %s' % self._file_path)

            program = command[0]
            arguments = command[1:]
            self._process.start(program,
                                arguments + [self._temp_file.fileName()])

    @pyqtSlot()
    def onFileChange(self):
        if self._temp_file.isOpen():

            #self._temp_file.seek(0)
            #self._text = self._temp_file.readAll().data().decode()

            # has to use with open and read(), the above doesn't work for
            # some editors, like xed

            # For some reason, if watching the zim file, and open in gvim
            # it reports file not found unless I wait for a while.
            wtf = os.path.exists(self._temp_file.fileName())
            while not wtf:
                wtf = os.path.exists(self._temp_file.fileName())

            with open(self._temp_file.fileName()) as tmp:
                self._text = tmp.read()

            # Re-add watch file, again for xed.
            self._watcher.removePath(self._file_path)
            self._watcher.addPath(self._file_path)

            self.file_change_sig.emit(self.is_zim)

    @property
    def text(self):
        return self._text

    def __del__(self):
        self._process.kill()