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"""Exceptions raised by this library."""
class ValidationError(Exception):
"""Can be used directly or inherited by mpre specific validation errors."""
def __str__(self):
return "Validation error: " + super().__str__()
class MethodNotImplemented(Exception):
"""Exception to be raised when a method is not implemented."""
def __str__(self):
return "Method not yet implemented: " + super().__str__()
class BadValueException(Exception):
"""Attribute has an unexpected value."""
def __str__(self):
return "BadValue error: " + super().__str__()
class WrongListItemType(Exception):
"""When an item of a wrong type is inserted into a list.
Exception used by :class:`.FixedTypeList` and :class:`.ConstantTypeList`
when the user tries to insert an item that does not match the expected
type.
"""
def __init__(self, item_class, expected_class):
"""Take the parameters to inform the user about the error.
Args:
item_class (:obj:`type`): The class of the item that was being
inserted in the list when the exception was raised.
expected_class (:obj:`type`): The expected type that didn't match
against the item to be inserted.
"""
super().__init__()
self.item_class = item_class
self.expected_class = expected_class
def __str__(self):
return "'{}' is not an instance of {}".format(self.item_class,
self.expected_class)
class UnpackException(Exception):
"""Error while unpacking."""
class PackException(Exception):
"""Error while unpacking."""
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