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from __future__ import annotations
import typing
from datetime import datetime, timezone
from ._errors import MissingInfoNamespace
if typing.TYPE_CHECKING:
from collections.abc import Mapping
from typing import Any
def epoch_to_datetime(t: int | None) -> datetime | None:
"""Convert epoch time to a UTC datetime."""
if t is None:
return None
return datetime.fromtimestamp(t, tz=timezone.utc)
class Info:
__slots__ = ["raw", "namespaces"]
def __init__(self, raw_info: Mapping[str, Any]):
self.raw = raw_info
self.namespaces = frozenset(raw_info.keys())
def get(self, namespace: str, key: str, default: Any | None = None) -> Any | None:
try:
return self.raw[namespace].get(key, default)
except KeyError:
raise MissingInfoNamespace(f"Namespace {namespace!r} does not exist")
@property
def name(self) -> str:
return self.get("basic", "name")
@property
def is_dir(self) -> bool:
return self.get("basic", "is_dir")
@property
def is_file(self) -> bool:
return not self.is_dir
@property
def accessed(self) -> datetime | None:
return epoch_to_datetime(self.get("details", "accessed"))
@property
def modified(self) -> datetime | None:
return epoch_to_datetime(self.get("details", "modified"))
@property
def size(self) -> int | None:
return self.get("details", "size")
@property
def type(self) -> int | None:
return self.get("details", "type")
@property
def created(self) -> datetime | None:
return epoch_to_datetime(self.get("details", "created"))
@property
def metadata_changed(self) -> datetime | None:
return epoch_to_datetime(self.get("details", "metadata_changed"))
def __str__(self) -> str:
if self.is_dir:
return "<dir '{}'>".format(self.name)
else:
return "<file '{}'>".format(self.name)
__repr__ = __str__
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