foo.py

def make_failing_function(exception, function_name, filename):
    code = compile('def f(): raise exception', filename, 'exec')
    namespace = {'exception': exception}
    eval(code, namespace)
    code = namespace['f'].__code__
    CodeType = type(code)

    namespace['f'].__code__ = CodeType(
        code.co_argcount,
        code.co_nlocals,
        code.co_stacksize,
        code.co_flags,
        code.co_code,
        code.co_consts,
        code.co_names,
        code.co_varnames,
        code.co_filename,
        'my::weird::function::name',
        code.co_firstlineno,
        code.co_lnotab,
        code.co_freevars,
        code.co_cellvars
    )

    return namespace['f']


func = make_failing_function(ZeroDivisionError(), 'my::weird::function', 'test.rs')
func()