d710055071
commented
6 months ago @FUNCTION_REWRITER.register_rewriter(func_name='copy.deepcopy')
def copy__default(tensor: Tensor, *args, **kwargs) -> Tensor:
"""Rewrite `copy.deepcopy` for default backend.
Replace it with tensor.clone(), or may raise `NYI: Named tensors are not
supported with the tracer`
"""
ctx = FUNCTION_REWRITER.get_context()
# if isinstance(tensor, Tensor) and args == () and kwargs == {}:
if isinstance(tensor, Tensor):
return tensor.clone()
elif isinstance(tensor, dict):
# from copy import deepcopy
def deepcopy_dict(obj,memo={}):
if isinstance(obj, dict):
# 如果obj是字典，则创建新的空字典并递归拷贝其中的值
copied_obj = {}
memo[id(obj)] = copied_obj # 存储已拷贝的字典引用
for key, value in obj.items():
copied_obj[deepcopy_dict(key, memo)] = deepcopy_dict(value, memo)
return copied_obj
elif isinstance(obj, list):
# 如果obj是列表，则创建新的空列表并递归拷贝其中的元素
copied_obj = []
memo[id(obj)] = copied_obj # 存储已拷贝的列表引用
for item in obj:
copied_obj.append(deepcopy_dict(item, memo))
return copied_obj
elif isinstance(obj, set):
# 如果obj是集合，则创建新的空集合并递归拷贝其中的元素
copied_obj = set()
memo[id(obj)] = copied_obj
for item in obj:
copied_obj.add(deepcopy_dict(item, memo))
return copied_obj
elif isinstance(obj, (int, float, complex, str, bytes, tuple, frozenset, type(None))):
# 如果obj是不可变类型，则直接返回
return obj
elif id(obj) in memo:
# 如果obj已经被拷贝过，则直接返回其拷贝
return memo[id(obj)]
else:
# 对于其他类型，尝试使用copy模块的deepcopy（如果需要）
try:
# import copy
return copy__default(obj, memo)
except Exception as e:
raise TypeError(f"Unsupported type {type(obj)} in deepcopy") from e
return deepcopy_dict(tensor, *args, **kwargs)
else:
pass
return ctx.origin_func(tensor, *args, **kwargs)
RunningLeon
shiomi326
LuZhengy-e
Checklist
Describe the bug
NYI: Named tensors are not supported with the tracer
Reproduction
Environment
Error traceback