76 lines
2.1 KiB
Python
76 lines
2.1 KiB
Python
"""
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Audio Tag
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---------
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This implements a Liquid-style audio tag for Pelican,
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based on the pelican video plugin [1]_
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Syntax
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------
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{% audio url/to/audio [url/to/audio] [/url/to/audio] %}
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Example
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-------
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{% audio http://example.tld/foo.mp3 http://example.tld/foo.ogg %}
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Output
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------
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<audio controls><source src="http://example.tld/foo.mp3" type="audio/mpeg"><source src="http://example.tld/foo.ogg" type="audio/ogg">Your browser does not support the audio element.</audio>
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[1] https://github.com/getpelican/pelican-plugins/blob/master/liquid_tags/video.py
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"""
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import os
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import re
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from .mdx_liquid_tags import LiquidTags
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SYNTAX = "{% audio url/to/audio [url/to/audio] [/url/to/audio] %}"
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AUDIO = re.compile(r'(/\S+|https?:\S+)(?:\s+(/\S+|https?:\S+))?(?:\s+(/\S+|https?:\S+))?')
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AUDIO_TYPEDICT = {'.mp3': 'audio/mpeg',
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'.ogg': 'audio/ogg',
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'.oga': 'audio/ogg',
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'.opus': 'audio/ogg',
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'.wav': 'audio/wav',
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'.mp4': 'audio/mp4'}
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def create_html(markup):
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match = AUDIO.search(markup)
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if match:
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groups = match.groups()
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audio_files = [g for g in groups if g]
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if any(audio_files):
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audio_out = '<audio controls>'
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for audio_file in audio_files:
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base, ext = os.path.splitext(audio_file)
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if ext not in AUDIO_TYPEDICT:
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raise ValueError("Unrecognized audio extension: "
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"{0}".format(ext))
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# add audio source
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audio_out += '<source src="{}" type="{}">'.format(
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audio_file, AUDIO_TYPEDICT[ext])
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# close audio tag
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audio_out += 'Your browser does not support the audio element.'
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audio_out += '</audio>'
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else:
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raise ValueError("Error processing input, "
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"expected syntax: {0}".format(SYNTAX))
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return audio_out
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@LiquidTags.register('audio')
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def audio(preprocessor, tag, markup):
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return create_html(markup)
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# ---------------------------------------------------
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# This import allows image tag to be a Pelican plugin
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from liquid_tags import register
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