utils.pyā¢1.38 kB
import sys
import types
from pathlib import Path
from typing import Any, _GenericAlias # type: ignore [attr-defined]
from typing_extensions import get_origin
_PATH_TYPE_LABELS = {
Path.is_dir: 'directory',
Path.is_file: 'file',
Path.is_mount: 'mount point',
Path.is_symlink: 'symlink',
Path.is_block_device: 'block device',
Path.is_char_device: 'char device',
Path.is_fifo: 'FIFO',
Path.is_socket: 'socket',
}
def path_type_label(p: Path) -> str:
"""
Find out what sort of thing a path is.
"""
assert p.exists(), 'path does not exist'
for method, name in _PATH_TYPE_LABELS.items():
if method(p):
return name
return 'unknown' # pragma: no cover
# TODO remove and replace usage by `isinstance(cls, type) and issubclass(cls, class_or_tuple)`
# once we drop support for Python 3.10.
def _lenient_issubclass(cls: Any, class_or_tuple: Any) -> bool: # pragma: no cover
try:
return isinstance(cls, type) and issubclass(cls, class_or_tuple)
except TypeError:
if get_origin(cls) is not None:
# Up until Python 3.10, isinstance(<generic_alias>, type) is True
# (e.g. list[int])
return False
raise
if sys.version_info < (3, 10):
_WithArgsTypes = tuple()
else:
_WithArgsTypes = (_GenericAlias, types.GenericAlias, types.UnionType)