Файловый менеджер - Редактировать - /var/opt/nydus/ops/attr/_compat.py
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# SPDX-License-Identifier: MIT import inspect import platform import sys import threading from collections.abc import Mapping, Sequence # noqa: F401 from typing import _GenericAlias PYPY = platform.python_implementation() == "PyPy" PY_3_8_PLUS = sys.version_info[:2] >= (3, 8) PY_3_9_PLUS = sys.version_info[:2] >= (3, 9) PY_3_10_PLUS = sys.version_info[:2] >= (3, 10) PY_3_11_PLUS = sys.version_info[:2] >= (3, 11) PY_3_12_PLUS = sys.version_info[:2] >= (3, 12) PY_3_13_PLUS = sys.version_info[:2] >= (3, 13) PY_3_14_PLUS = sys.version_info[:2] >= (3, 14) if sys.version_info < (3, 8): try: from typing_extensions import Protocol except ImportError: # pragma: no cover Protocol = object else: from typing import Protocol # noqa: F401 if PY_3_14_PLUS: # pragma: no cover import annotationlib _get_annotations = annotationlib.get_annotations else: def _get_annotations(cls): """ Get annotations for *cls*. """ return cls.__dict__.get("__annotations__", {}) class _AnnotationExtractor: """ Extract type annotations from a callable, returning None whenever there is none. """ __slots__ = ["sig"] def __init__(self, callable): try: self.sig = inspect.signature(callable) except (ValueError, TypeError): # inspect failed self.sig = None def get_first_param_type(self): """ Return the type annotation of the first argument if it's not empty. """ if not self.sig: return None params = list(self.sig.parameters.values()) if params and params[0].annotation is not inspect.Parameter.empty: return params[0].annotation return None def get_return_type(self): """ Return the return type if it's not empty. """ if ( self.sig and self.sig.return_annotation is not inspect.Signature.empty ): return self.sig.return_annotation return None # Thread-local global to track attrs instances which are already being repr'd. # This is needed because there is no other (thread-safe) way to pass info # about the instances that are already being repr'd through the call stack # in order to ensure we don't perform infinite recursion. # # For instance, if an instance contains a dict which contains that instance, # we need to know that we're already repr'ing the outside instance from within # the dict's repr() call. # # This lives here rather than in _make.py so that the functions in _make.py # don't have a direct reference to the thread-local in their globals dict. # If they have such a reference, it breaks cloudpickle. repr_context = threading.local() def get_generic_base(cl): """If this is a generic class (A[str]), return the generic base for it.""" if cl.__class__ is _GenericAlias: return cl.__origin__ return None
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