Source code for openpyxl.utils.exceptions

# Copyright (c) 2010-2023 openpyxl

"""Definitions for openpyxl shared exception classes."""

[docs]class CellCoordinatesException(Exception): """Error for converting between numeric and A1-style cell references."""
[docs]class IllegalCharacterError(Exception): """The data submitted which cannot be used directly in Excel files. It must be removed or escaped."""
[docs]class NamedRangeException(Exception): """Error for badly formatted named ranges."""
[docs]class SheetTitleException(Exception): """Error for bad sheet names."""
[docs]class InvalidFileException(Exception): """Error for trying to open a non-ooxml file."""
[docs]class ReadOnlyWorkbookException(Exception): """Error for trying to modify a read-only workbook"""
[docs]class WorkbookAlreadySaved(Exception): """Error when attempting to perform operations on a dump workbook while it has already been dumped once"""