30 lines
1.3 KiB
Python
30 lines
1.3 KiB
Python
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import importlib
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import pkgutil
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import re
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# Collects information on which classes implement which STIX types, for the
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# various STIX spec versions.
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STIX2_OBJ_MAPS = {}
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def _collect_stix2_mappings():
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"""Navigate the package once and retrieve all object mapping dicts for each
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v2X package. Includes OBJ_MAP, OBJ_MAP_OBSERVABLE, EXT_MAP."""
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if not STIX2_OBJ_MAPS:
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top_level_module = importlib.import_module('stix2')
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path = top_level_module.__path__
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prefix = str(top_level_module.__name__) + '.'
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for module_loader, name, is_pkg in pkgutil.walk_packages(path=path, prefix=prefix):
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ver = name.split('.')[1]
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if re.match(r'^stix2\.v2[0-9]$', name) and is_pkg:
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mod = importlib.import_module(name, str(top_level_module.__name__))
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STIX2_OBJ_MAPS[ver] = {}
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STIX2_OBJ_MAPS[ver]['objects'] = mod.OBJ_MAP
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STIX2_OBJ_MAPS[ver]['observables'] = mod.OBJ_MAP_OBSERVABLE
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STIX2_OBJ_MAPS[ver]['observable-extensions'] = mod.EXT_MAP
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elif re.match(r'^stix2\.v2[0-9]\.common$', name) and is_pkg is False:
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mod = importlib.import_module(name, str(top_level_module.__name__))
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STIX2_OBJ_MAPS[ver]['markings'] = mod.OBJ_MAP_MARKING
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