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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-02-24 08:50
__init__.py	3.76 KB	-rw-r--r--	2017-12-08 00:11
abbr.py	2.85 KB	-rw-r--r--	2018-01-05 00:41
admonition.py	3.08 KB	-rw-r--r--	2017-12-08 00:12
attr_list.py	6.12 KB	-rw-r--r--	2017-12-08 00:12
codehilite.py	9.54 KB	-rw-r--r--	2017-12-08 00:12
def_list.py	3.66 KB	-rw-r--r--	2017-12-08 00:12
extra.py	5.41 KB	-rw-r--r--	2017-12-08 00:12
fenced_code.py	4 KB	-rw-r--r--	2017-12-08 00:12
footnotes.py	15.37 KB	-rw-r--r--	2018-01-05 00:41
headerid.py	3.24 KB	-rw-r--r--	2017-12-08 00:12
meta.py	2.34 KB	-rw-r--r--	2017-12-08 00:12
nl2br.py	854 B	-rw-r--r--	2017-12-08 00:12
sane_lists.py	1.56 KB	-rw-r--r--	2017-12-08 00:12
smart_strong.py	1.16 KB	-rw-r--r--	2017-12-08 00:12
smarty.py	10.12 KB	-rw-r--r--	2018-01-04 00:01
tables.py	7.66 KB	-rw-r--r--	2017-12-08 00:12
toc.py	10.78 KB	-rw-r--r--	2018-01-04 00:01
wikilinks.py	2.8 KB	-rw-r--r--	2017-12-08 00:12

Rename

"""
Fenced Code Extension for Python Markdown
=========================================

This extension adds Fenced Code Blocks to Python-Markdown.

See <https://Python-Markdown.github.io/extensions/fenced_code_blocks>
for documentation.

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

from __future__ import absolute_import
from __future__ import unicode_literals
from . import Extension
from ..preprocessors import Preprocessor
from .codehilite import CodeHilite, CodeHiliteExtension, parse_hl_lines
import re

class FencedCodeExtension(Extension):

def extendMarkdown(self, md, md_globals):
        """ Add FencedBlockPreprocessor to the Markdown instance. """
        md.registerExtension(self)

md.preprocessors.add('fenced_code_block',
                             FencedBlockPreprocessor(md),
                             ">normalize_whitespace")

class FencedBlockPreprocessor(Preprocessor):
    FENCED_BLOCK_RE = re.compile(r'''
(?P<fence>^(?:~{3,}|`{3,}))[ ]*         # Opening ``` or ~~~
(\{?\.?(?P<lang>[\w#.+-]*))?[ ]*        # Optional {, and lang
# Optional highlight lines, single- or double-quote-delimited
(hl_lines=(?P<quot>"|')(?P<hl_lines>.*?)(?P=quot))?[ ]*
}?[ ]*\n                                # Optional closing }
(?P<code>.*?)(?<=\n)
(?P=fence)[ ]*$''', re.MULTILINE | re.DOTALL | re.VERBOSE)
    CODE_WRAP = '<pre><code%s>%s</code></pre>'
    LANG_TAG = ' class="%s"'

def __init__(self, md):
        super(FencedBlockPreprocessor, self).__init__(md)

self.checked_for_codehilite = False
        self.codehilite_conf = {}

def run(self, lines):
        """ Match and store Fenced Code Blocks in the HtmlStash. """

# Check for code hilite extension
        if not self.checked_for_codehilite:
            for ext in self.markdown.registeredExtensions:
                if isinstance(ext, CodeHiliteExtension):
                    self.codehilite_conf = ext.config
                    break

self.checked_for_codehilite = True

text = "\n".join(lines)
        while 1:
            m = self.FENCED_BLOCK_RE.search(text)
            if m:
                lang = ''
                if m.group('lang'):
                    lang = self.LANG_TAG % m.group('lang')

# If config is not empty, then the codehighlite extension
                # is enabled, so we call it to highlight the code
                if self.codehilite_conf:
                    highliter = CodeHilite(
                        m.group('code'),
                        linenums=self.codehilite_conf['linenums'][0],
                        guess_lang=self.codehilite_conf['guess_lang'][0],
                        css_class=self.codehilite_conf['css_class'][0],
                        style=self.codehilite_conf['pygments_style'][0],
                        use_pygments=self.codehilite_conf['use_pygments'][0],
                        lang=(m.group('lang') or None),
                        noclasses=self.codehilite_conf['noclasses'][0],
                        hl_lines=parse_hl_lines(m.group('hl_lines'))
                    )

code = highliter.hilite()
                else:
                    code = self.CODE_WRAP % (lang,
                                             self._escape(m.group('code')))

placeholder = self.markdown.htmlStash.store(code, safe=True)
                text = '%s\n%s\n%s' % (text[:m.start()],
                                       placeholder,
                                       text[m.end():])
            else:
                break
        return text.split("\n")

def _escape(self, txt):
        """ basic html escaping """
        txt = txt.replace('&', '&amp;')
        txt = txt.replace('<', '&lt;')
        txt = txt.replace('>', '&gt;')
        txt = txt.replace('"', '&quot;')
        return txt

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