@Slot()
    def _updateFilename(self):
        self._filename = self._filenameLineEdit.text()
        self._guessEncoding(self._filename)
        self._previewFile()
Calls several methods after the filename changed.
dataset/ETHPy150Open datalyze-solutions/pandas-qt/pandasqt/views/CSVDialogs.py/CSVImportDialog._updateFilename