Function _builtin_hash

Lib/test/support/hashlib_helper.py:620–643

Check availability of . (**kwargs). - The *module_name* is the C extension module name based on HACL*. - The *digestname* is one of its member, e.g., 'md5'. The constructor function is returned, or SkipTest is raised if none exists.

(module_name, digestname, /, **kwargs)

def _builtin_hash(module_name, digestname, /, **kwargs):
    """Check availability of <module_name>.<digestname>(**kwargs).

    - The *module_name* is the C extension module name based on HACL*.
    - The *digestname* is one of its member, e.g., 'md5'.

    The constructor function is returned, or SkipTest is raised if none exists.
    """
    assert isinstance(module_name, str), module_name
    assert isinstance(digestname, str), digestname
    fullname = f'{module_name}.{digestname}'
    try:
        builtin_module = importlib.import_module(module_name)
    except ImportError as exc:
        raise SkipNoHash(fullname, "builtin") from exc
    try:
        constructor = getattr(builtin_module, digestname)
    except AttributeError as exc:
        raise SkipNoHash(fullname, "builtin") from exc
    try:
        constructor(**kwargs)
    except ValueError as exc:
        raise SkipNoHash(fullname, "builtin") from exc
    return constructor


def _openssl_new(digestname, /, **kwargs):