Source code for openpyxl.utils.exceptions

# Copyright (c) 2010-2024 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"""