63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
"""STIX 2.0 Relationship Objects."""
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from .base import _STIXBase
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from .common import COMMON_PROPERTIES
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from .properties import IDProperty, TypeProperty, ReferenceProperty, ListProperty, Property
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class Relationship(_STIXBase):
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_type = 'relationship'
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_properties = COMMON_PROPERTIES.copy()
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_properties.update({
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'id': IDProperty(_type),
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'type': TypeProperty(_type),
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'relationship_type': Property(required=True),
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'description': Property(),
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'source_ref': ReferenceProperty(required=True),
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'target_ref': ReferenceProperty(required=True),
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})
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# Explicitly define the first three kwargs to make readable Relationship declarations.
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def __init__(self, source_ref=None, relationship_type=None, target_ref=None,
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**kwargs):
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# TODO:
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# - description
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# Allow (source_ref, relationship_type, target_ref) as positional args.
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if source_ref and not kwargs.get('source_ref'):
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kwargs['source_ref'] = source_ref
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if relationship_type and not kwargs.get('relationship_type'):
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kwargs['relationship_type'] = relationship_type
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if target_ref and not kwargs.get('target_ref'):
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kwargs['target_ref'] = target_ref
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super(Relationship, self).__init__(**kwargs)
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class Sighting(_STIXBase):
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_type = 'sighting'
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_properties = COMMON_PROPERTIES.copy()
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_properties.update({
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'id': IDProperty(_type),
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'type': TypeProperty(_type),
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'first_seen': Property(),
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'last_seen': Property(),
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'count': Property(),
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'sighting_of_ref': ReferenceProperty(required=True),
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'observed_data_refs': ListProperty(ReferenceProperty(type="observed-data")),
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'where_sighted_refs': ListProperty(ReferenceProperty(type="identity")),
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'summary': Property(),
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})
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# Explicitly define the first kwargs to make readable Sighting declarations.
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def __init__(self, sighting_of_ref=None, **kwargs):
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# TODO:
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# - description
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# Allow sighting_of_ref as a positional arg.
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if sighting_of_ref and not kwargs.get('sighting_of_ref'):
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kwargs['sighting_of_ref'] = sighting_of_ref
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super(Sighting, self).__init__(**kwargs)
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