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from __future__ import annotations
import enum
import datetime
from typing import Literal
import attrs
import cattrs.preconf.orjson
class Permissions(enum.Enum):
READ = "READ"
WRITE = "WRITE"
READ_WRITE = "READ_WRITE"
@attrs.define(kw_only=True)
class File:
name: str
created_by: str
created_at: datetime.datetime
updated_by: str | None = None
updated_at: datetime.datetime | None = None
nbytes: int
permissions: Permissions
type: Literal["file"] = "file"
@attrs.define(kw_only=True)
class Directory:
name: str
created_by: str
created_at: datetime.datetime
updated_by: str | None = None
updated_at: datetime.datetime | None = None
contents: list[File | Directory]
type: Literal["directory"] = "directory"
converter = cattrs.preconf.orjson.make_converter(omit_if_default=True)
def encode(obj):
return converter.dumps(obj)
def decode(msg):
return converter.loads(msg, Directory)
label = "cattrs"
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