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from __future__ import annotations
import sys
from collections.abc import Iterator
from collections.abc import Sequence
from typing import TYPE_CHECKING
from urllib.parse import quote_plus
from upath._protocol import get_upath_protocol
from upath.core import UnsupportedOperation
from upath.core import UPath
from upath.types import JoinablePathLike
if TYPE_CHECKING:
from typing import Literal
if sys.version_info >= (3, 11):
from typing import Self
from typing import Unpack
else:
from typing_extensions import Self
from typing_extensions import Unpack
from upath._chain import FSSpecChainParser
from upath.types.storage_options import DataStorageOptions
__all__ = ["DataPath"]
class DataPath(UPath):
__slots__ = ()
if TYPE_CHECKING:
def __init__(
self,
*args: JoinablePathLike,
protocol: Literal["data"] | None = ...,
chain_parser: FSSpecChainParser = ...,
**storage_options: Unpack[DataStorageOptions],
) -> None: ...
@property
def parts(self) -> Sequence[str]:
return (self.path,)
def __str__(self) -> str:
return self.parser.join(*self._raw_urlpaths)
def with_segments(self, *pathsegments: JoinablePathLike) -> Self:
try:
(segment,) = pathsegments
except ValueError:
raise UnsupportedOperation("join not supported by DataPath")
if get_upath_protocol(segment) != "data":
raise ValueError(f"requires a data URI, got: {segment!r}")
return type(self)(segment, protocol="data", **self.storage_options)
@property
def name(self) -> str:
return quote_plus(self.path)
@property
def stem(self) -> str:
return quote_plus(self.path)
@property
def suffix(self) -> str:
return ""
@property
def suffixes(self) -> list[str]:
return []
def with_name(self, name: str) -> Self:
raise UnsupportedOperation("with_name not supported by DataPath")
def with_suffix(self, suffix: str) -> Self:
raise UnsupportedOperation("with_suffix not supported by DataPath")
def with_stem(self, stem: str) -> Self:
raise UnsupportedOperation("with_stem not supported by DataPath")
@property
def parent(self) -> Self:
return self
@property
def parents(self) -> Sequence[Self]:
return []
def full_match(self, pattern, *, case_sensitive: bool | None = None) -> bool:
return super().full_match(pattern, case_sensitive=case_sensitive)
def mkdir(
self, mode: int = 0o777, parents: bool = False, exist_ok: bool = False
) -> None:
raise FileExistsError(str(self))
def write_bytes(self, data: bytes) -> int:
raise UnsupportedOperation("DataPath does not support writing")
def write_text(
self,
data: str,
encoding: str | None = None,
errors: str | None = None,
newline: str | None = None,
) -> int:
raise UnsupportedOperation("DataPath does not support writing")
def iterdir(self) -> Iterator[Self]:
raise NotADirectoryError
def glob(
self, pattern, *, case_sensitive=None, recurse_symlinks=False
) -> Iterator[Self]:
return iter([])
def rglob(
self, pattern, *, case_sensitive=None, recurse_symlinks=False
) -> Iterator[Self]:
return iter([])
def unlink(self, missing_ok: bool = False) -> None:
raise UnsupportedOperation
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