52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
class STIXError(Exception):
|
|
"""Base class for errors generated in the stix2 library."""
|
|
|
|
|
|
class InvalidValueError(STIXError, ValueError):
|
|
"""An invalid value was provided to a STIX object's __init__."""
|
|
|
|
def __init__(self, cls, prop_name, reason):
|
|
super(InvalidValueError, self).__init__()
|
|
self.cls = cls
|
|
self.prop_name = prop_name
|
|
self.reason = reason
|
|
|
|
def __str__(self):
|
|
msg = "Invalid value for {0.cls.__name__} '{0.prop_name}': {0.reason}"
|
|
return msg.format(self)
|
|
|
|
|
|
class MissingFieldsError(STIXError, ValueError):
|
|
"""Missing required field(s) when constructing STIX object."""
|
|
|
|
def __init__(self, cls, fields):
|
|
super(MissingFieldsError, self).__init__()
|
|
self.cls = cls
|
|
self.fields = sorted(list(fields))
|
|
|
|
def __str__(self):
|
|
msg = "Missing required field(s) for {0}: ({1})."
|
|
return msg.format(self.cls.__name__,
|
|
", ".join(x for x in self.fields))
|
|
|
|
|
|
class ExtraFieldsError(STIXError, TypeError):
|
|
"""Extra field(s) were provided when constructing STIX object."""
|
|
|
|
def __init__(self, cls, fields):
|
|
super(ExtraFieldsError, self).__init__()
|
|
self.cls = cls
|
|
self.fields = sorted(list(fields))
|
|
|
|
def __str__(self):
|
|
msg = "Unexpected field(s) for {0}: ({1})."
|
|
return msg.format(self.cls.__name__,
|
|
", ".join(x for x in self.fields))
|
|
|
|
|
|
class ImmutableError(STIXError, ValueError):
|
|
"""Attempted to modify an object after creation"""
|
|
|
|
def __init__(self):
|
|
super(ImmutableError, self).__init__("Cannot modify properties after creation.")
|