Function inspect_getfullargspec

lib/sqlalchemy/util/compat.py:98–133

Fully vendored version of getfullargspec from Python 3.3.

(func: Callable[..., Any])

def inspect_getfullargspec(func: Callable[..., Any]) -> FullArgSpec:
    """Fully vendored version of getfullargspec from Python 3.3."""

    if inspect.ismethod(func):
        func = func.__func__
    if not inspect.isfunction(func) and not hasattr(func, "__code__"):
        raise TypeError(f"{func!r} is not a Python function")

    co = func.__code__
    if not inspect.iscode(co):
        raise TypeError(f"{co!r} is not a code object")

    nargs = co.co_argcount
    names = co.co_varnames
    nkwargs = co.co_kwonlyargcount
    args = list(names[:nargs])
    kwonlyargs = list(names[nargs : nargs + nkwargs])

    nargs += nkwargs
    varargs = None
    if co.co_flags & inspect.CO_VARARGS:
        varargs = co.co_varnames[nargs]
        nargs = nargs + 1
    varkw = None
    if co.co_flags & inspect.CO_VARKEYWORDS:
        varkw = co.co_varnames[nargs]

    return FullArgSpec(
        args,
        varargs,
        varkw,
        func.__defaults__,
        kwonlyargs,
        func.__kwdefaults__,
        get_annotations(func),
    )


# python stubs don't have a public type for this. not worth