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'''
WikiLinks Extension for Python-Markdown
======================================

Converts [[WikiLinks]] to relative links.

See <https://pythonhosted.org/Markdown/extensions/wikilinks.html>
for documentation.

Original code Copyright [Waylan Limberg](http://achinghead.com/).

All changes Copyright The Python Markdown Project

License: [BSD](http://www.opensource.org/licenses/bsd-license.php)

'''

from __future__ import absolute_import
from __future__ import unicode_literals
from . import Extension
from ..inlinepatterns import Pattern
from ..util import etree
import re


def build_url(label, base, end):
    """ Build a url from the label, a base, and an end. """
    clean_label = re.sub(r'([ ]+_)|(_[ ]+)|([ ]+)', '_', label)
    return '%s%s%s' % (base, clean_label, end)


class WikiLinkExtension(Extension):

    def __init__(self, *args, **kwargs):
        self.config = {
            'base_url': ['/', 'String to append to beginning or URL.'],
            'end_url': ['/', 'String to append to end of URL.'],
            'html_class': ['wikilink', 'CSS hook. Leave blank for none.'],
            'build_url': [build_url, 'Callable formats URL from label.'],
        }

        super(WikiLinkExtension, self).__init__(*args, **kwargs)

    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, "<not_strong")


class WikiLinks(Pattern):
    def __init__(self, pattern, config):
        super(WikiLinks, self).__init__(pattern)
        self.config = config

    def handleMatch(self, m):
        if m.group(2).strip():
            base_url, end_url, html_class = self._getMeta()
            label = m.group(2).strip()
            url = self.config['build_url'](label, base_url, end_url)
            a = etree.Element('a')
            a.text = label
            a.set('href', url)
            if html_class:
                a.set('class', html_class)
        else:
            a = ''
        return a

    def _getMeta(self):
        """ Return meta data or config data. """
        base_url = self.config['base_url']
        end_url = self.config['end_url']
        html_class = self.config['html_class']
        if hasattr(self.md, 'Meta'):
            if 'wiki_base_url' in self.md.Meta:
                base_url = self.md.Meta['wiki_base_url'][0]
            if 'wiki_end_url' in self.md.Meta:
                end_url = self.md.Meta['wiki_end_url'][0]
            if 'wiki_html_class' in self.md.Meta:
                html_class = self.md.Meta['wiki_html_class'][0]
        return base_url, end_url, html_class


def makeExtension(*args, **kwargs):
    return WikiLinkExtension(*args, **kwargs)

Filemanager

Name Type Size Permission Actions
__init__.py File 3.76 KB 0644
__init__.pyc File 4 KB 0644
abbr.py File 2.67 KB 0644
abbr.pyc File 4.14 KB 0644
admonition.py File 3.09 KB 0644
admonition.pyc File 3.66 KB 0644
attr_list.py File 6.12 KB 0644
attr_list.pyc File 6.21 KB 0644
codehilite.py File 9.54 KB 0644
codehilite.pyc File 9.3 KB 0644
def_list.py File 3.66 KB 0644
def_list.pyc File 4.31 KB 0644
extra.py File 5.42 KB 0644
extra.pyc File 5.57 KB 0644
fenced_code.py File 4.01 KB 0644
fenced_code.pyc File 4.45 KB 0644
footnotes.py File 14.57 KB 0644
footnotes.pyc File 14.79 KB 0644
headerid.py File 3.24 KB 0644
headerid.pyc File 4.23 KB 0644
meta.py File 2.34 KB 0644
meta.pyc File 2.95 KB 0644
nl2br.py File 859 B 0644
nl2br.pyc File 1.54 KB 0644
sane_lists.py File 1.56 KB 0644
sane_lists.pyc File 2.73 KB 0644
smart_strong.py File 1.17 KB 0644
smart_strong.pyc File 1.81 KB 0644
smarty.py File 10.12 KB 0644
smarty.pyc File 10.23 KB 0644
tables.py File 7.67 KB 0644
tables.pyc File 6.79 KB 0644
toc.py File 10.79 KB 0644
toc.pyc File 10.53 KB 0644
wikilinks.py File 2.8 KB 0644
wikilinks.pyc File 4.02 KB 0644