Module peprock.subclasses
Class hierarchy helpers.
Examples
>>> sorted(get(int), key=lambda t: t.__name__) # doctest: +SKIP
[<enum 'IntEnum'>, <enum 'IntFlag'>, <class 'sre_constants._NamedIntConstant'>, <class 'bool'>]
>>> get_by_name(int, name="bool")
<class 'bool'>
>>> len(get(object)) # doctest: +SKIP
280
Functions
def get(base_class: type[T_co],
*,
exclude_abstract: bool = False,
recursive: bool = False) ‑> set[type[T_co]]-
Expand source code
def get( base_class: type[T_co], *, exclude_abstract: bool = False, recursive: bool = False, ) -> set[type[T_co]]: """Identify subclasses of base_class and return a set.""" subclasses: set[type[T_co]] = set() for subclass in base_class.__subclasses__(): if recursive: subclasses |= get( subclass, exclude_abstract=exclude_abstract, recursive=recursive, ) if exclude_abstract and inspect.isabstract(subclass): continue subclasses.add(subclass) return subclasses
Identify subclasses of base_class and return a set.
def get_by_name(base_class: type[T_co], name: str, *, recursive: bool = False) ‑> type[T_co] | None
-
Expand source code
def get_by_name( base_class: type[T_co], name: str, *, recursive: bool = False, ) -> type[T_co] | None: """Identify subclass of base_class with given name.""" for subclass in base_class.__subclasses__(): if subclass.__name__ == name: return subclass if recursive and ( subclass_ := get_by_name( base_class=subclass, name=name, recursive=recursive, ) ): return subclass_ return None
Identify subclass of base_class with given name.