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: / proc / self / root / opt / hc_python / lib64 / python3.12 / site-packages / tblib /

Filename : decorators.py

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import sys
from functools import wraps

from . import Traceback


def reraise(tp, value, tb=None):
    try:
        if value is None:
            value = tp()
        if value.__traceback__ is not tb:
            raise value.with_traceback(tb)
        raise value
    finally:
        value = None
        tb = None


class Error:
    def __init__(self, exc_type, exc_value, traceback):
        self.exc_type = exc_type
        self.exc_value = exc_value
        self.__traceback = Traceback(traceback)

    @property
    def traceback(self):
        return self.__traceback.as_traceback()

    def reraise(self):
        reraise(self.exc_type, self.exc_value, self.traceback)


def return_error(func, exc_type=Exception):
    @wraps(func)
    def return_exceptions_wrapper(*args, **kwargs):
        try:
            return func(*args, **kwargs)
        except exc_type:
            return Error(*sys.exc_info())

    return return_exceptions_wrapper


returns_error = return_errors = returns_errors = return_error  # cause I make too many typos


@return_error
def apply_with_return_error(args):
    """
    args is a tuple where the first argument is a callable.

    eg::

        apply_with_return_error((func, 1, 2, 3)) - this will call func(1, 2, 3)

    """
    return args[0](*args[1:])