Function _has_code_flag

Lib/inspect.py:285–296

Return true if ``f`` is a function (or a method or functools.partial wrapper wrapping a function or a functools.partialmethod wrapping a function) whose code object has the given ``flag`` set in its flags.

(f, flag)

    return isinstance(object, types.FunctionType)

def _has_code_flag(f, flag):
    """Return true if ``f`` is a function (or a method or functools.partial
    wrapper wrapping a function or a functools.partialmethod wrapping a
    function) whose code object has the given ``flag``
    set in its flags."""
    f = functools._unwrap_partialmethod(f)
    while ismethod(f):
        f = f.__func__
    f = functools._unwrap_partial(f)
    if not (isfunction(f) or _signature_is_functionlike(f)):
        return False
    return bool(f.__code__.co_flags & flag)

def isgeneratorfunction(obj):
    """Return true if the object is a user-defined generator function.