from typing import Dict, Iterable, Optional


class DocObject:
    """Represents a documented Python object."""

    def __init__(
        self,
        name: str,
        kind: str,
        path: str,
        signature: Optional[str] = None,
        docstring: Optional[str] = None,
    ) -> None:
        self.name = name
        self.kind = kind
        self.path = path
        self.signature = signature
        self.docstring = docstring
        self.members: Dict[str, 'DocObject'] = {}

    def add_member(self, obj: 'DocObject') -> None:
        self.members[obj.name] = obj

    def get_member(self, name: str) -> 'DocObject':
        return self.members[name]

    def get_all_members(self) -> Iterable['DocObject']:
        return self.members.values()