diff --git a/Lib/dataclasses.py b/Lib/dataclasses.py index 3335821f3f3..45ce5a98b51 100644 --- a/Lib/dataclasses.py +++ b/Lib/dataclasses.py @@ -4,10 +4,9 @@ import copy import types import inspect import keyword -import functools import itertools import abc -import _thread +from reprlib import recursive_repr from types import FunctionType, GenericAlias @@ -245,25 +244,6 @@ _ATOMIC_TYPES = frozenset({ property, }) -# This function's logic is copied from "recursive_repr" function in -# reprlib module to avoid dependency. -def _recursive_repr(user_function): - # Decorator to make a repr function return "..." for a recursive - # call. - repr_running = set() - - @functools.wraps(user_function) - def wrapper(self): - key = id(self), _thread.get_ident() - if key in repr_running: - return '...' - repr_running.add(key) - try: - result = user_function(self) - finally: - repr_running.discard(key) - return result - return wrapper class InitVar: __slots__ = ('type', ) @@ -322,7 +302,7 @@ class Field: self.kw_only = kw_only self._field_type = None - @_recursive_repr + @recursive_repr() def __repr__(self): return ('Field(' f'name={self.name!r},' @@ -632,7 +612,7 @@ def _repr_fn(fields, globals): for f in fields]) + ')"'], globals=globals) - return _recursive_repr(fn) + return recursive_repr()(fn) def _frozen_get_del_attr(cls, fields, globals):