cti-python-stix2/stix2/custom.py

101 lines
2.7 KiB
Python

from collections import OrderedDict
import six
from .base import _cls_init
from .registration import (
_register_marking, _register_object, _register_observable,
_register_observable_extension,
)
def _get_properties_dict(properties):
try:
return OrderedDict(properties)
except TypeError as e:
six.raise_from(
ValueError(
"properties must be dict-like, e.g. a list "
"containing tuples. For example, "
"[('property1', IntegerProperty())]",
),
e,
)
def _custom_object_builder(cls, type, properties, version, base_class):
prop_dict = _get_properties_dict(properties)
class _CustomObject(cls, base_class):
_type = type
_properties = prop_dict
def __init__(self, **kwargs):
base_class.__init__(self, **kwargs)
_cls_init(cls, self, kwargs)
_CustomObject.__name__ = cls.__name__
_register_object(_CustomObject, version=version)
return _CustomObject
def _custom_marking_builder(cls, type, properties, version, base_class):
prop_dict = _get_properties_dict(properties)
class _CustomMarking(cls, base_class):
_type = type
_properties = prop_dict
def __init__(self, **kwargs):
base_class.__init__(self, **kwargs)
_cls_init(cls, self, kwargs)
_CustomMarking.__name__ = cls.__name__
_register_marking(_CustomMarking, version=version)
return _CustomMarking
def _custom_observable_builder(cls, type, properties, version, base_class, id_contrib_props=None):
if id_contrib_props is None:
id_contrib_props = []
prop_dict = _get_properties_dict(properties)
class _CustomObservable(cls, base_class):
_type = type
_properties = prop_dict
if version != '2.0':
_id_contributing_properties = id_contrib_props
def __init__(self, **kwargs):
base_class.__init__(self, **kwargs)
_cls_init(cls, self, kwargs)
_CustomObservable.__name__ = cls.__name__
_register_observable(_CustomObservable, version=version)
return _CustomObservable
def _custom_extension_builder(cls, observable, type, properties, version, base_class):
prop_dict = _get_properties_dict(properties)
class _CustomExtension(cls, base_class):
_type = type
_properties = prop_dict
def __init__(self, **kwargs):
base_class.__init__(self, **kwargs)
_cls_init(cls, self, kwargs)
_CustomExtension.__name__ = cls.__name__
_register_observable_extension(observable, _CustomExtension, version=version)
return _CustomExtension