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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-04-08 17:00
externals	[ DIR ]	drwxr-xr-x	2025-04-08 17:00
test	[ DIR ]	drwxr-xr-x	2025-04-08 17:00
__init__.py	5.01 KB	-rw-r--r--	2025-04-08 17:00
_cloudpickle_wrapper.py	417 B	-rw-r--r--	2025-04-08 17:00
_dask.py	13 KB	-rw-r--r--	2025-04-08 17:00
_memmapping_reducer.py	27.43 KB	-rw-r--r--	2025-04-08 17:00
_multiprocessing_helpers.py	1.88 KB	-rw-r--r--	2025-04-08 17:00
_parallel_backends.py	24.89 KB	-rw-r--r--	2025-04-08 17:00
_store_backends.py	16.29 KB	-rw-r--r--	2025-04-08 17:00
_utils.py	2.03 KB	-rw-r--r--	2025-04-08 17:00
backports.py	5.24 KB	-rw-r--r--	2025-04-08 17:00
compressor.py	19.3 KB	-rw-r--r--	2025-04-08 17:00
disk.py	4.29 KB	-rw-r--r--	2025-04-08 17:00
executor.py	5.02 KB	-rw-r--r--	2025-04-08 17:00
func_inspect.py	13.87 KB	-rw-r--r--	2025-04-08 17:00
hashing.py	10.29 KB	-rw-r--r--	2025-04-08 17:00
logger.py	5.33 KB	-rw-r--r--	2025-04-08 17:00
memory.py	45.45 KB	-rw-r--r--	2025-04-08 17:00
numpy_pickle.py	26.26 KB	-rw-r--r--	2025-04-08 17:00
numpy_pickle_compat.py	8.35 KB	-rw-r--r--	2025-04-08 17:00
numpy_pickle_utils.py	8.52 KB	-rw-r--r--	2025-04-08 17:00
parallel.py	82.6 KB	-rw-r--r--	2025-04-08 17:00
pool.py	14.08 KB	-rw-r--r--	2025-04-08 17:00
testing.py	3.02 KB	-rw-r--r--	2025-04-08 17:00

Rename

# Adapted from https://stackoverflow.com/a/9558001/2536294

import ast
from dataclasses import dataclass
import operator as op

from ._multiprocessing_helpers import mp

if mp is not None:
    from .externals.loky.process_executor import _ExceptionWithTraceback

# supported operators
operators = {
    ast.Add: op.add,
    ast.Sub: op.sub,
    ast.Mult: op.mul,
    ast.Div: op.truediv,
    ast.FloorDiv: op.floordiv,
    ast.Mod: op.mod,
    ast.Pow: op.pow,
    ast.USub: op.neg,
}

def eval_expr(expr):
    """
    >>> eval_expr('2*6')
    12
    >>> eval_expr('2**6')
    64
    >>> eval_expr('1 + 2*3**(4) / (6 + -7)')
    -161.0
    """
    try:
        return eval_(ast.parse(expr, mode="eval").body)
    except (TypeError, SyntaxError, KeyError) as e:
        raise ValueError(
            f"{expr!r} is not a valid or supported arithmetic expression."
        ) from e

def eval_(node):
    if isinstance(node, ast.Constant):  # <constant>
        return node.value
    elif isinstance(node, ast.BinOp):  # <left> <operator> <right>
        return operators[type(node.op)](eval_(node.left), eval_(node.right))
    elif isinstance(node, ast.UnaryOp):  # <operator> <operand> e.g., -1
        return operators[type(node.op)](eval_(node.operand))
    else:
        raise TypeError(node)

@dataclass(frozen=True)
class _Sentinel:
    """A sentinel to mark a parameter as not explicitly set"""
    default_value: object

def __repr__(self):
        return f"default({self.default_value!r})"

class _TracebackCapturingWrapper:
    """Protect function call and return error with traceback."""

def __init__(self, func):
        self.func = func

def __call__(self, **kwargs):
        try:
            return self.func(**kwargs)
        except BaseException as e:
            return _ExceptionWithTraceback(e)

def _retrieve_traceback_capturing_wrapped_call(out):
    if isinstance(out, _ExceptionWithTraceback):
        rebuild, args = out.__reduce__()
        out = rebuild(*args)
    if isinstance(out, BaseException):
        raise out
    return out