How to use the soupsieve.css_parser.SelectorPattern function in soupsieve

("pseudo_contains", (':contains',), PAT_PSEUDO_CONTAINS, SelectorPattern),
                ("pseudo_nth_child", (':nth-child', ':nth-last-child'), PAT_PSEUDO_NTH_CHILD, SelectorPattern),
                ("pseudo_nth_type", (':nth-of-type', ':nth-last-of-type'), PAT_PSEUDO_NTH_TYPE, SelectorPattern),
                ("pseudo_lang", (':lang',), PAT_PSEUDO_LANG, SelectorPattern),
                ("pseudo_dir", (':dir',), PAT_PSEUDO_DIR, SelectorPattern)
            )
        ),
        SelectorPattern("pseudo_class_custom", PAT_PSEUDO_CLASS_CUSTOM),
        SelectorPattern("pseudo_class", PAT_PSEUDO_CLASS),
        SelectorPattern("pseudo_element", PAT_PSEUDO_ELEMENT),
        SelectorPattern("at_rule", PAT_AT_RULE),
        SelectorPattern("id", PAT_ID),
        SelectorPattern("class", PAT_CLASS),
        SelectorPattern("tag", PAT_TAG),
        SelectorPattern("attribute", PAT_ATTR),
        SelectorPattern("combine", PAT_COMBINE)
    )

    def __init__(self, selector, custom=None, flags=0):
        """Initialize."""

        self.pattern = selector.replace('\x00', '\ufffd')
        self.flags = flags
        self.debug = self.flags & util.DEBUG
        self.custom = {} if custom is None else custom

    def parse_attribute_selector(self, sel, m, has_selector):
        """Create attribute selector from the returned regex match."""

        inverse = False
        op = m.group('cmp')
        case = util.lower(m.group('case')) if m.group('case') else None

return (
            '_Selector(tag={!r}, ids={!r}, classes={!r}, attributes={!r}, nth={!r}, selectors={!r}, '
            'relations={!r}, rel_type={!r}, contains={!r}, lang={!r}, flags={!r}, no_match={!r})'
        ).format(
            self.tag, self.ids, self.classes, self.attributes, self.nth, self.selectors,
            self.relations, self.rel_type, self.contains, self.lang, self.flags, self.no_match
        )

    __repr__ = __str__


class CSSParser(object):
    """Parse CSS selectors."""

    css_tokens = (
        SelectorPattern("pseudo_close", PAT_PSEUDO_CLOSE),
        SpecialPseudoPattern(
            (
                ("pseudo_contains", (':contains',), PAT_PSEUDO_CONTAINS, SelectorPattern),
                ("pseudo_nth_child", (':nth-child', ':nth-last-child'), PAT_PSEUDO_NTH_CHILD, SelectorPattern),
                ("pseudo_nth_type", (':nth-of-type', ':nth-last-of-type'), PAT_PSEUDO_NTH_TYPE, SelectorPattern),
                ("pseudo_lang", (':lang',), PAT_PSEUDO_LANG, SelectorPattern),
                ("pseudo_dir", (':dir',), PAT_PSEUDO_DIR, SelectorPattern)
            )
        ),
        SelectorPattern("pseudo_class_custom", PAT_PSEUDO_CLASS_CUSTOM),
        SelectorPattern("pseudo_class", PAT_PSEUDO_CLASS),
        SelectorPattern("pseudo_element", PAT_PSEUDO_ELEMENT),
        SelectorPattern("at_rule", PAT_AT_RULE),
        SelectorPattern("id", PAT_ID),
        SelectorPattern("class", PAT_CLASS),
        SelectorPattern("tag", PAT_TAG),

).format(
            self.tag, self.ids, self.classes, self.attributes, self.nth, self.selectors,
            self.relations, self.rel_type, self.contains, self.lang, self.flags, self.no_match
        )

    __repr__ = __str__


class CSSParser(object):
    """Parse CSS selectors."""

    css_tokens = (
        SelectorPattern("pseudo_close", PAT_PSEUDO_CLOSE),
        SpecialPseudoPattern(
            (
                ("pseudo_contains", (':contains',), PAT_PSEUDO_CONTAINS, SelectorPattern),
                ("pseudo_nth_child", (':nth-child', ':nth-last-child'), PAT_PSEUDO_NTH_CHILD, SelectorPattern),
                ("pseudo_nth_type", (':nth-of-type', ':nth-last-of-type'), PAT_PSEUDO_NTH_TYPE, SelectorPattern),
                ("pseudo_lang", (':lang',), PAT_PSEUDO_LANG, SelectorPattern),
                ("pseudo_dir", (':dir',), PAT_PSEUDO_DIR, SelectorPattern)
            )
        ),
        SelectorPattern("pseudo_class_custom", PAT_PSEUDO_CLASS_CUSTOM),
        SelectorPattern("pseudo_class", PAT_PSEUDO_CLASS),
        SelectorPattern("pseudo_element", PAT_PSEUDO_ELEMENT),
        SelectorPattern("at_rule", PAT_AT_RULE),
        SelectorPattern("id", PAT_ID),
        SelectorPattern("class", PAT_CLASS),
        SelectorPattern("tag", PAT_TAG),
        SelectorPattern("attribute", PAT_ATTR),
        SelectorPattern("combine", PAT_COMBINE)
    )

SelectorPattern("pseudo_close", PAT_PSEUDO_CLOSE),
        SpecialPseudoPattern(
            (
                ("pseudo_contains", (':contains',), PAT_PSEUDO_CONTAINS, SelectorPattern),
                ("pseudo_nth_child", (':nth-child', ':nth-last-child'), PAT_PSEUDO_NTH_CHILD, SelectorPattern),
                ("pseudo_nth_type", (':nth-of-type', ':nth-last-of-type'), PAT_PSEUDO_NTH_TYPE, SelectorPattern),
                ("pseudo_lang", (':lang',), PAT_PSEUDO_LANG, SelectorPattern),
                ("pseudo_dir", (':dir',), PAT_PSEUDO_DIR, SelectorPattern)
            )
        ),
        SelectorPattern("pseudo_class_custom", PAT_PSEUDO_CLASS_CUSTOM),
        SelectorPattern("pseudo_class", PAT_PSEUDO_CLASS),
        SelectorPattern("pseudo_element", PAT_PSEUDO_ELEMENT),
        SelectorPattern("at_rule", PAT_AT_RULE),
        SelectorPattern("id", PAT_ID),
        SelectorPattern("class", PAT_CLASS),
        SelectorPattern("tag", PAT_TAG),
        SelectorPattern("attribute", PAT_ATTR),
        SelectorPattern("combine", PAT_COMBINE)
    )

    def __init__(self, selector, custom=None, flags=0):
        """Initialize."""

        self.pattern = selector.replace('\x00', '\ufffd')
        self.flags = flags
        self.debug = self.flags & util.DEBUG
        self.custom = {} if custom is None else custom

    def parse_attribute_selector(self, sel, m, has_selector):
        """Create attribute selector from the returned regex match."""

css_tokens = (
        SelectorPattern("pseudo_close", PAT_PSEUDO_CLOSE),
        SpecialPseudoPattern(
            (
                ("pseudo_contains", (':contains',), PAT_PSEUDO_CONTAINS, SelectorPattern),
                ("pseudo_nth_child", (':nth-child', ':nth-last-child'), PAT_PSEUDO_NTH_CHILD, SelectorPattern),
                ("pseudo_nth_type", (':nth-of-type', ':nth-last-of-type'), PAT_PSEUDO_NTH_TYPE, SelectorPattern),
                ("pseudo_lang", (':lang',), PAT_PSEUDO_LANG, SelectorPattern),
                ("pseudo_dir", (':dir',), PAT_PSEUDO_DIR, SelectorPattern)
            )
        ),
        SelectorPattern("pseudo_class_custom", PAT_PSEUDO_CLASS_CUSTOM),
        SelectorPattern("pseudo_class", PAT_PSEUDO_CLASS),
        SelectorPattern("pseudo_element", PAT_PSEUDO_ELEMENT),
        SelectorPattern("at_rule", PAT_AT_RULE),
        SelectorPattern("id", PAT_ID),
        SelectorPattern("class", PAT_CLASS),
        SelectorPattern("tag", PAT_TAG),
        SelectorPattern("attribute", PAT_ATTR),
        SelectorPattern("combine", PAT_COMBINE)
    )

    def __init__(self, selector, custom=None, flags=0):
        """Initialize."""

        self.pattern = selector.replace('\x00', '\ufffd')
        self.flags = flags
        self.debug = self.flags & util.DEBUG
        self.custom = {} if custom is None else custom

    def parse_attribute_selector(self, sel, m, has_selector):
        """Create attribute selector from the returned regex match."""

self.name = name
        self.re_pattern = re.compile(pattern, re.I | re.X | re.U)

    def get_name(self):
        """Get name."""

        return self.name

    def match(self, selector, index, flags):
        """Match the selector."""

        return self.re_pattern.match(selector, index)


class SpecialPseudoPattern(SelectorPattern):
    """Selector pattern."""

    def __init__(self, patterns):
        """Initialize."""

        self.patterns = {}
        for p in patterns:
            name = p[0]
            pattern = p[3](name, p[2])
            for pseudo in p[1]:
                self.patterns[pseudo] = pattern

        self.matched_name = None
        self.re_pseudo_name = re.compile(PAT_PSEUDO_CLASS_SPECIAL, re.I | re.X | re.U)

    def get_name(self):

class CSSParser(object):
    """Parse CSS selectors."""

    css_tokens = (
        SelectorPattern("pseudo_close", PAT_PSEUDO_CLOSE),
        SpecialPseudoPattern(
            (
                ("pseudo_contains", (':contains',), PAT_PSEUDO_CONTAINS, SelectorPattern),
                ("pseudo_nth_child", (':nth-child', ':nth-last-child'), PAT_PSEUDO_NTH_CHILD, SelectorPattern),
                ("pseudo_nth_type", (':nth-of-type', ':nth-last-of-type'), PAT_PSEUDO_NTH_TYPE, SelectorPattern),
                ("pseudo_lang", (':lang',), PAT_PSEUDO_LANG, SelectorPattern),
                ("pseudo_dir", (':dir',), PAT_PSEUDO_DIR, SelectorPattern)
            )
        ),
        SelectorPattern("pseudo_class_custom", PAT_PSEUDO_CLASS_CUSTOM),
        SelectorPattern("pseudo_class", PAT_PSEUDO_CLASS),
        SelectorPattern("pseudo_element", PAT_PSEUDO_ELEMENT),
        SelectorPattern("at_rule", PAT_AT_RULE),
        SelectorPattern("id", PAT_ID),
        SelectorPattern("class", PAT_CLASS),
        SelectorPattern("tag", PAT_TAG),
        SelectorPattern("attribute", PAT_ATTR),
        SelectorPattern("combine", PAT_COMBINE)
    )

    def __init__(self, selector, custom=None, flags=0):
        """Initialize."""

        self.pattern = selector.replace('\x00', '\ufffd')
        self.flags = flags
        self.debug = self.flags & util.DEBUG

SpecialPseudoPattern(
            (
                ("pseudo_contains", (':contains',), PAT_PSEUDO_CONTAINS, SelectorPattern),
                ("pseudo_nth_child", (':nth-child', ':nth-last-child'), PAT_PSEUDO_NTH_CHILD, SelectorPattern),
                ("pseudo_nth_type", (':nth-of-type', ':nth-last-of-type'), PAT_PSEUDO_NTH_TYPE, SelectorPattern),
                ("pseudo_lang", (':lang',), PAT_PSEUDO_LANG, SelectorPattern),
                ("pseudo_dir", (':dir',), PAT_PSEUDO_DIR, SelectorPattern)
            )
        ),
        SelectorPattern("pseudo_class_custom", PAT_PSEUDO_CLASS_CUSTOM),
        SelectorPattern("pseudo_class", PAT_PSEUDO_CLASS),
        SelectorPattern("pseudo_element", PAT_PSEUDO_ELEMENT),
        SelectorPattern("at_rule", PAT_AT_RULE),
        SelectorPattern("id", PAT_ID),
        SelectorPattern("class", PAT_CLASS),
        SelectorPattern("tag", PAT_TAG),
        SelectorPattern("attribute", PAT_ATTR),
        SelectorPattern("combine", PAT_COMBINE)
    )

    def __init__(self, selector, custom=None, flags=0):
        """Initialize."""

        self.pattern = selector.replace('\x00', '\ufffd')
        self.flags = flags
        self.debug = self.flags & util.DEBUG
        self.custom = {} if custom is None else custom

    def parse_attribute_selector(self, sel, m, has_selector):
        """Create attribute selector from the returned regex match."""

        inverse = False

class CSSParser(object):
    """Parse CSS selectors."""

    css_tokens = (
        SelectorPattern("pseudo_close", PAT_PSEUDO_CLOSE),
        SpecialPseudoPattern(
            (
                ("pseudo_contains", (':contains',), PAT_PSEUDO_CONTAINS, SelectorPattern),
                ("pseudo_nth_child", (':nth-child', ':nth-last-child'), PAT_PSEUDO_NTH_CHILD, SelectorPattern),
                ("pseudo_nth_type", (':nth-of-type', ':nth-last-of-type'), PAT_PSEUDO_NTH_TYPE, SelectorPattern),
                ("pseudo_lang", (':lang',), PAT_PSEUDO_LANG, SelectorPattern),
                ("pseudo_dir", (':dir',), PAT_PSEUDO_DIR, SelectorPattern)
            )
        ),
        SelectorPattern("pseudo_class_custom", PAT_PSEUDO_CLASS_CUSTOM),
        SelectorPattern("pseudo_class", PAT_PSEUDO_CLASS),
        SelectorPattern("pseudo_element", PAT_PSEUDO_ELEMENT),
        SelectorPattern("at_rule", PAT_AT_RULE),
        SelectorPattern("id", PAT_ID),
        SelectorPattern("class", PAT_CLASS),
        SelectorPattern("tag", PAT_TAG),
        SelectorPattern("attribute", PAT_ATTR),
        SelectorPattern("combine", PAT_COMBINE)
    )

    def __init__(self, selector, custom=None, flags=0):
        """Initialize."""

        self.pattern = selector.replace('\x00', '\ufffd')
        self.flags = flags
        self.debug = self.flags & util.DEBUG
        self.custom = {} if custom is None else custom

css_tokens = (
        SelectorPattern("pseudo_close", PAT_PSEUDO_CLOSE),
        SpecialPseudoPattern(
            (
                ("pseudo_contains", (':contains',), PAT_PSEUDO_CONTAINS, SelectorPattern),
                ("pseudo_nth_child", (':nth-child', ':nth-last-child'), PAT_PSEUDO_NTH_CHILD, SelectorPattern),
                ("pseudo_nth_type", (':nth-of-type', ':nth-last-of-type'), PAT_PSEUDO_NTH_TYPE, SelectorPattern),
                ("pseudo_lang", (':lang',), PAT_PSEUDO_LANG, SelectorPattern),
                ("pseudo_dir", (':dir',), PAT_PSEUDO_DIR, SelectorPattern)
            )
        ),
        SelectorPattern("pseudo_class_custom", PAT_PSEUDO_CLASS_CUSTOM),
        SelectorPattern("pseudo_class", PAT_PSEUDO_CLASS),
        SelectorPattern("pseudo_element", PAT_PSEUDO_ELEMENT),
        SelectorPattern("at_rule", PAT_AT_RULE),
        SelectorPattern("id", PAT_ID),
        SelectorPattern("class", PAT_CLASS),
        SelectorPattern("tag", PAT_TAG),
        SelectorPattern("attribute", PAT_ATTR),
        SelectorPattern("combine", PAT_COMBINE)
    )

    def __init__(self, selector, custom=None, flags=0):
        """Initialize."""

        self.pattern = selector.replace('\x00', '\ufffd')
        self.flags = flags
        self.debug = self.flags & util.DEBUG
        self.custom = {} if custom is None else custom

    def parse_attribute_selector(self, sel, m, has_selector):