o VÌ h–ã@sPdZddlmZddlmZerddlmZGdd„deƒZGdd„deƒZd S) z# meta.py Some useful metaclasses. é)Ú annotations)Ú TYPE_CHECKING)ÚAnyc@s$eZdZUdZded<dd d „ZdS)ÚLeafClassesMetaa÷ A metaclass for classes that keeps track of all of them that aren't base classes. >>> Parent = LeafClassesMeta('MyParentClass', (), {}) >>> Parent in Parent._leaf_classes True >>> Child = LeafClassesMeta('MyChildClass', (Parent,), {}) >>> Child in Parent._leaf_classes True >>> Parent in Parent._leaf_classes False >>> Other = LeafClassesMeta('OtherClass', (), {}) >>> Parent in Other._leaf_classes False >>> len(Other._leaf_classes) 1 zset[type[Any]]Ú _leaf_classesÚnameÚstrÚbasesútuple[type[object], ...]Úattrsúdict[str, object]ÚreturnÚNonecCs6t|dƒs tƒ|_t|dƒ}| |¡|t|ƒ8}dS)Nr)ÚhasattrÚsetrÚgetattrÚadd)Úclsrr r Ú leaf_classes©rúg/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/jaraco/classes/meta.pyÚ__init__&s   zLeafClassesMeta.__init__N)rrr r r r r r)Ú__name__Ú __module__Ú __qualname__Ú__doc__Ú__annotations__rrrrrrs rcs&eZdZdZdZd ‡fd d „ Z‡ZS)Ú TagRegisteredaY As classes of this metaclass are created, they keep a registry in the base class of all classes by a class attribute, indicated by attr_name. >>> FooObject = TagRegistered('FooObject', (), dict(tag='foo')) >>> FooObject._registry['foo'] is FooObject True >>> BarObject = TagRegistered('Barobject', (FooObject,), dict(tag='bar')) >>> FooObject._registry is BarObject._registry True >>> len(FooObject._registry) 2 '...' below should be 'jaraco.classes' but for pytest-dev/pytest#3396 >>> FooObject._registry['bar'] Útagrrr r Ú namespacer r rcsNtt|ƒ |||¡t|dƒsi|_|j}t||jdƒ}|r%||j|<dSdS)NÚ _registry)Úsuperrrrr Ú __class__rÚ attr_name)rrr rÚmetaÚattr©r"rrrIs ÿzTagRegistered.__init__)rrr r rr r r)rrrrr#rÚ __classcell__rrr&rr4srN) rÚ __future__rÚtypingrrÚtyperrrrrrÚs   %