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# -*- coding: utf-8 -*-
#
# Copyright © 2013-2016 Michael Rabbitt, Roberto Alsina and others.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Inspired by "[Python] reStructuredText GitHub Podcast directive"
# (https://gist.github.com/brianhsu/1407759), public domain by Brian Hsu
"""
Extension to Python Markdown for Embedded Audio.
Basic Example:
>>> import markdown
>>> text = "[podcast]https://archive.org/download/Rebeldes_Stereotipos/rs20120609_1.mp3[/podcast]"
>>> html = markdown.markdown(text, [PodcastExtension()])
>>> print(html)
<p><audio controls=""><source src="https://archive.org/download/Rebeldes_Stereotipos/rs20120609_1.mp3" type="audio/mpeg"></source></audio></p>
"""
from __future__ import print_function, unicode_literals
from nikola.plugin_categories import MarkdownExtension
try:
from markdown.extensions import Extension
from markdown.inlinepatterns import Pattern
from markdown.util import etree
except ImportError:
# No need to catch this, if you try to use this without Markdown,
# the markdown compiler will fail first
Pattern = Extension = object
PODCAST_RE = r'\[podcast\](?P<url>.+)\[/podcast\]'
class PodcastPattern(Pattern):
"""InlinePattern for footnote markers in a document's body text."""
def __init__(self, pattern, configs):
"""Initialize pattern."""
Pattern.__init__(self, pattern)
def handleMatch(self, m):
"""Handle pattern matches."""
url = m.group('url').strip()
audio_elem = etree.Element('audio')
audio_elem.set('controls', '')
source_elem = etree.SubElement(audio_elem, 'source')
source_elem.set('src', url)
source_elem.set('type', 'audio/mpeg')
return audio_elem
class PodcastExtension(MarkdownExtension, Extension):
""""Podcast extension for Markdown."""
def __init__(self, configs={}):
"""Initialize extension."""
# set extension defaults
self.config = {}
# Override defaults with user settings
for key, value in configs:
self.setConfig(key, value)
def extendMarkdown(self, md, md_globals):
"""Extend Markdown."""
podcast_md_pattern = PodcastPattern(PODCAST_RE, self.getConfigs())
podcast_md_pattern.md = md
md.inlinePatterns.add('podcast', podcast_md_pattern, "<not_strong")
md.registerExtension(self)
def makeExtension(configs=None): # pragma: no cover
"""Make Markdown extension."""
return PodcastExtension(configs)
if __name__ == '__main__':
import doctest
doctest.testmod(optionflags=(doctest.NORMALIZE_WHITESPACE +
doctest.REPORT_NDIFF))
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