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Direktori : /proc/thread-self/root/opt/alt/python39/lib64/python3.9/importlib/ |
Current File : //proc/thread-self/root/opt/alt/python39/lib64/python3.9/importlib/_common.py |
import os import pathlib import zipfile import tempfile import functools import contextlib def from_package(package): """ Return a Traversable object for the given package. """ return fallback_resources(package.__spec__) def fallback_resources(spec): package_directory = pathlib.Path(spec.origin).parent try: archive_path = spec.loader.archive rel_path = package_directory.relative_to(archive_path) return zipfile.Path(archive_path, str(rel_path) + '/') except Exception: pass return package_directory @contextlib.contextmanager def _tempfile(reader, suffix=''): # Not using tempfile.NamedTemporaryFile as it leads to deeper 'try' # blocks due to the need to close the temporary file to work on Windows # properly. fd, raw_path = tempfile.mkstemp(suffix=suffix) try: os.write(fd, reader()) os.close(fd) yield pathlib.Path(raw_path) finally: try: os.remove(raw_path) except FileNotFoundError: pass @functools.singledispatch @contextlib.contextmanager def as_file(path): """ Given a Traversable object, return that object as a path on the local file system in a context manager. """ with _tempfile(path.read_bytes, suffix=path.name) as local: yield local @as_file.register(pathlib.Path) @contextlib.contextmanager def _(path): """ Degenerate behavior for pathlib.Path objects. """ yield path