How to use the bleach.__version__.split function in bleach

'table', 'td', 'tr', 'th', 'thead', 'tbody',
        'col', 'pre', 'img', 'hr', 'dl', 'dt', 'dd', 'span',
        'kbd', 'var', 'del', 'cite',
    ]
    if ignore:
        for tag in ignore:
            if tag in tags:
                tags.remove(tag)

    kwargs = {
        'tags': tags,
        'attributes': attrs
    }

    # newer bleach allow to customize the protocol supported
    bleach_v = bleach.__version__.split('.')
    for idx, val in enumerate(bleach_v):
        try:
            val = int(val)
        except ValueError:
            pass
        bleach_v[idx] = val
    if tuple(bleach_v) >= (1, 5, 0):
        protocols=bleach.ALLOWED_PROTOCOLS + ['irc', 'ircs']
        kwargs['protocols'] = protocols

    return bleach.clean(text, **kwargs)

def clean_input(text, ignore=None):
    """ For a given html text, escape everything we do not want to support
    to avoid potential security breach.
    """
    if ignore and not isinstance(ignore, (tuple, set, list)):
        ignore = [ignore]

    bleach_v = bleach.__version__.split('.')
    for idx, val in enumerate(bleach_v):
        try:
            val = int(val)
        except ValueError:  # pragma: no cover
            pass
        bleach_v[idx] = val

    attrs = bleach.ALLOWED_ATTRIBUTES.copy()
    attrs['table'] = ['class']
    attrs['span'] = ['class', 'id']
    attrs['div'] = ['class']
    attrs['td'] = ['align']
    attrs['th'] = ['align']
    if not ignore or 'img' not in ignore:
        # newer bleach need three args for attribute callable
        if tuple(bleach_v) >= (2, 0, 0):  # pragma: no cover

def markup(context, text):
    """
    Return HTML from a markdown string.

    Args:
        context (mako.runtime.Context): Unused.
        text (basestring): Markdown text to be converted to HTML.
    Returns:
        basestring: HTML representation of the markdown text.
    """
    # determine the major component of the bleach version installed.
    # this is similar to the approach that Pagure uses to determine the bleach version
    # https://pagure.io/pagure/pull-request/2269#request_diff
    bleach_major_v = int(bleach.__version__.split('.')[0])

    # the only difference in the bleach API that we use between v1 and v2 is
    # the formatting of the attributes parameter. Bleach 1 only allowed you
    # to specify attributes to be whitelisted for all whitelisted tags.
    # Bleach 2 requires you to specify the list of attributes whitelisted for
    # specific tags.
    if bleach_major_v >= 2:
        markdown_attrs = {
            "img": ["src", "alt", "title"],
            "a": ["href", "alt", "title"],
            "div": ["class"],
        }
    else:
        markdown_attrs = [
            "src", "href", "alt", "title", "class"
        ]

def markup(context, text, bodhi=True):
    """
    Return HTML from a markdown string.

    Args:
        context (mako.runtime.Context): Unused.
        text (str): Markdown text to be converted to HTML.
        bodhi (bool): Enable or disable Bodhi markup extensions.
    Returns:
        str: HTML representation of the markdown text.
    """
    # determine the major component of the bleach version installed.
    # this is similar to the approach that Pagure uses to determine the bleach version
    # https://pagure.io/pagure/pull-request/2269#request_diff
    bleach_major_v = int(bleach.__version__.split('.')[0])

    # the only difference in the bleach API that we use between v1 and v2 is
    # the formatting of the attributes parameter. Bleach 1 only allowed you
    # to specify attributes to be whitelisted for all whitelisted tags.
    # Bleach 2 requires you to specify the list of attributes whitelisted for
    # specific tags.
    if bleach_major_v >= 2:
        markdown_attrs = {
            "img": ["src", "alt", "title"],
            "a": ["href", "alt", "title"],
            "div": ["class"],
        }
    else:
        markdown_attrs = [
            "src", "href", "alt", "title", "class"
        ]