| """Convenience layer on top of stdlib's shutil and os""" |
|
|
| import os |
| import stat |
| from typing import Callable, TypeVar |
|
|
| from .compat import py311 |
|
|
| from distutils import log |
|
|
| try: |
| from os import chmod |
| |
| except ImportError: |
| |
| def chmod(*args: object, **kwargs: object) -> None: |
| pass |
|
|
|
|
| _T = TypeVar("_T") |
|
|
|
|
| def attempt_chmod_verbose(path, mode): |
| log.debug("changing mode of %s to %o", path, mode) |
| try: |
| chmod(path, mode) |
| except OSError as e: |
| log.debug("chmod failed: %s", e) |
|
|
|
|
| |
| def _auto_chmod( |
| func: Callable[..., _T], arg: str, exc: BaseException |
| ) -> _T: |
| """shutils onexc callback to automatically call chmod for certain functions.""" |
| |
| if func in [os.unlink, os.remove] and os.name == 'nt': |
| attempt_chmod_verbose(arg, stat.S_IWRITE) |
| return func(arg) |
| raise exc |
|
|
|
|
| def rmtree(path, ignore_errors=False, onexc=_auto_chmod): |
| """ |
| Similar to ``shutil.rmtree`` but automatically executes ``chmod`` |
| for well know Windows failure scenarios. |
| """ |
| return py311.shutil_rmtree(path, ignore_errors, onexc) |
|
|
|
|
| def rmdir(path, **opts): |
| if os.path.isdir(path): |
| rmtree(path, **opts) |
|
|
