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class ImportExportError(Exception):
"""A generic exception for all others to extend."""
pass
class FieldError(ImportExportError):
"""Raised when a field encounters an error."""
pass
class WidgetError(ImportExportError):
"""Raised when there is a misconfiguration with a Widget."""
pass
class ImportError(ImportExportError):
def __init__(self, error, number=None, row=None):
"""A wrapper for errors thrown from the import process.
:param error: The underlying error that occurred.
:param number: The row number of the row containing the error (if obtainable).
:param row: The row containing the error (if obtainable).
"""
self.error = error
self.number = number
self.row = row
def __str__(self):
s = ""
if self.number is not None:
s += f"{self.number}: "
s += f"{self.error}"
if self.row is not None:
s += f" ({self.row})"
return s
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