Method _open_worksheet

src/pptx/chart/xlsx.py:27–37

Enable XlsxWriter Worksheet object to be opened, operated on, and then automatically closed within a `with` statement. A filename or stream object (such as an `io.BytesIO` instance) is expected as *xlsx_file*.

(self, xlsx_file)

    @contextmanager
    def _open_worksheet(self, xlsx_file):
        """
        Enable XlsxWriter Worksheet object to be opened, operated on, and
        then automatically closed within a `with` statement. A filename or
        stream object (such as an `io.BytesIO` instance) is expected as
        *xlsx_file*.
        """
        workbook = Workbook(xlsx_file, {"in_memory": True})
        worksheet = workbook.add_worksheet()
        yield workbook, worksheet
        workbook.close()

    def _populate_worksheet(self, workbook, worksheet):
        """