How to use the markdown.inlinepatterns.Pattern function in Markdown

# Override defaults with user settings
        for key, value in configs :
            self.setConfig(key, value)
        
    def extendMarkdown(self, md, md_globals):
        self.md = md
    
        # append to end of inline patterns
        WIKILINK_RE = r'\[\[([\w0-9_ -]+)\]\]'
        wikilinkPattern = WikiLinks(WIKILINK_RE, self.getConfigs())
        wikilinkPattern.md = md
        md.inlinePatterns.add('wikilink', wikilinkPattern, "

def __init__(self, md):
        markdown.inlinepatterns.Pattern.__init__(
            self, r'(?

continue
            if settings.USING_EMBEDLY:
                if embedly_client.is_supported(url):
                    embedly_urls.append(url)
                    continue
            # NOTE: The youtube code below is inactive at least on
            # staging because embedy.ly is currently handling those
            youtube = self.youtube_image(url)
            if youtube is not None:
                add_a(root, youtube, url)
                continue

        if settings.USING_EMBEDLY:
            self.do_embedly(root, embedly_urls)

class Gravatar(markdown.inlinepatterns.Pattern):
    def handleMatch(self, match):
        img = markdown.util.etree.Element('img')
        img.set('class', 'message_body_gravatar img-rounded')
        img.set('src', 'https://secure.gravatar.com/avatar/%s?d=identicon&s=30'
            % (gravatar_hash(match.group('email')),))
        return img

path_to_emoji = os.path.join(os.path.dirname(__file__), '..', '..', '..',
                             # This should be the root
                             'static', 'third', 'gemoji', 'images', 'emoji', '*.png')
emoji_list = [os.path.splitext(os.path.basename(fn))[0] for fn in glob.glob(path_to_emoji)]

def make_emoji(emoji_name, src, display_string):
    elt = markdown.util.etree.Element('img')
    elt.set('src', src)
    elt.set('class', 'emoji')

def __init__(self):
        markdown.inlinepatterns.Pattern.__init__(self, r'(?

def handle_match(m):
            node = markdown.util.etree.Element('script')
            node.set('type', 'math/tex; mode=display')
            if '\\begin' in m.group(2):
                node.text = markdown.util.AtomicString(m.group(2) + m.group(4) + m.group(5))
            else:
                node.text = markdown.util.AtomicString(m.group(3))
            return node

        inlinemathpatterns = (
            markdown.inlinepatterns.Pattern(r'(?

def __init__(self, pattern, tag):
        Pattern.__init__(self, pattern)
        self.tag = tag

Keyword arguments:

        * m: A re match object containing a match of the pattern.
        * data: The buffer current under analysis

        Returns:

        * el: The ElementTree element, text or None.
        * start: The start of the region that has been matched or None.
        * end: The end of the region that has been matched or None.

        """
        pass  # pragma: no cover


class SimpleTextPattern(Pattern):  # pragma: no cover
    """ Return a simple text of group(2) of a Pattern. """
    def handleMatch(self, m):
        return m.group(2)


class SimpleTextInlineProcessor(InlineProcessor):
    """ Return a simple text of group(1) of a Pattern. """
    def handleMatch(self, m, data):
        return m.group(1), m.start(0), m.end(0)


class EscapeInlineProcessor(InlineProcessor):
    """ Return an escaped character. """

    def handleMatch(self, m, data):
        char = m.group(1)

import markdown
import cgi

class MathJaxPattern(markdown.inlinepatterns.Pattern):

    def __init__(self, md):
        markdown.inlinepatterns.Pattern.__init__(self, r'(?

namespace, repo, user = _get_ns_repo_user()
        except RuntimeError:
            return text

        issue = _issue_exists(user, namespace, repo, idx)
        if issue:
            return _obj_anchor_tag(user, namespace, repo, issue, text)

        request = _pr_exists(user, namespace, repo, idx)
        if request:
            return _obj_anchor_tag(user, namespace, repo, request, text)

        return text


class ImplicitCommitPattern(markdown.inlinepatterns.Pattern):
    """ Implicit commit pattern. """

    def handleMatch(self, m):
        """ When the pattern matches, update the text. """

        githash = markdown.util.AtomicString(m.group(2))
        text = "%s" % githash

        try:
            namespace, repo, user = _get_ns_repo_user()
        except RuntimeError:
            return text

        if pagure.lib.query.search_projects(
            flask.g.session, username=user, namespace=namespace, pattern=repo
        ) and _commit_exists(user, namespace, repo, githash):