60 lines
1.5 KiB
Python
60 lines
1.5 KiB
Python
"""
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Soundcloud Tag
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--------------
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This implements a Liquid-style soundcloud tag for Pelican.
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It asks the official Soundcloud-API for the widget html code.
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Syntax
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------
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`{% soundcloud track_url %}`
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Example
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-------
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`{% soundcloud https://soundcloud.com/luftmentsh/hakotel %}`
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Output
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------
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`<iframe width="100%" height="400" scrolling="no" frameborder="no" src="https://w.soundcloud.com/player/?visual=true&url=http%3A%2F%2Fapi.soundcloud.com%2Ftracks%2F33875102&show_artwork=true"></iframe>`
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"""
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from .mdx_liquid_tags import LiquidTags
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import re
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import json
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try:
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from urllib.request import urlopen
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except ImportError:
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from urllib import urlopen
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SYNTAX = '{% soundcloud track_url %}'
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PARSE_SYNTAX = re.compile(r'(?P<track_url>https?://soundcloud.com/[\S]+)')
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def get_widget(track_url):
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r = urlopen(
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'http://soundcloud.com/oembed',
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data='format=json&url={}'.format(track_url).encode('utf-8'))
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return json.loads(r.read().decode('utf-8'))['html']
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def match_it(markup):
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match = PARSE_SYNTAX.search(markup)
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if match:
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return match.groupdict()
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else:
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raise ValueError('Error processing input. '
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'Expected syntax: {}'.format(SYNTAX))
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@LiquidTags.register('soundcloud')
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def soundcloud(preprocessor, tag, markup):
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track_url = match_it(markup)['track_url']
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return get_widget(track_url)
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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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