49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
|
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)
|