trove/trovedb/trove.py

91 lines
2.2 KiB
Python

from typing import Protocol, runtime_checkable, Optional, Dict, List, Self
from uuid import UUID
from pathlib import PurePosixPath
NODE_ROOT_ID = 1
class BadNoteType(TypeError):
"""Raised when an invalid note type is encountered."""
@runtime_checkable
class Note(Protocol):
"""
Protocol for a Note item.
Represents access to an individual note's content and metadata.
"""
@property
def object_id(self) -> int:
"""The unique identifier for this note."""
...
def get_raw_metadata(self, key: str) -> Optional[bytes]:
"""Retrieve metadata value for the given key."""
...
def set_raw_metadata(self, key: str, value: bytes) -> None:
"""Set metadata value for the given key."""
...
@runtime_checkable
class Blob(Protocol):
def read(self) -> bytes:
"""Read the raw content of the note."""
...
def write(self, data: bytes) -> None:
"""Write new content to the note."""
...
@runtime_checkable
class Tree(Protocol):
def link(self, name: str, note: Note):
"""Link name to a given note."""
...
def unlink(self, name: str):
"""Remove name from the tree."""
...
def mkdir(self, name: str) -> Self:
"""Create a new Tree with the given name."""
...
def rmdir(self, name: str) -> None:
"""Remove a directory from the tree."""
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def child(self, name: str) -> Note:
"""Retrieve a child not by name."""
...
def list(self) -> dict[str, int]:
"""Return all entries as {name: object_id}."""
...
class BlobNote(Note, Blob):
"""Blob Note"""
class TreeNote(Note, Tree):
"""Tree Note"""
@runtime_checkable
class Trove(Protocol):
"""
Protocol for the Trove database API.
Provides high-level access to notes and trees.
"""
def get_raw_note(self, note: int) -> Optional[Note]:
"""Retrieve a note by a UUID"""
...
def create_blob(self, data: bytes | None = None) -> BlobNote:
"""Create a new blob node at the given path with content"""
...
def get_root(self) -> TreeNote:
"""Get Tree Node at the given path"""
...