68 lines
1.7 KiB
Python
68 lines
1.7 KiB
Python
"""
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Youtube Tag
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---------
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This implements a Liquid-style youtube tag for Pelican,
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based on the jekyll / octopress youtube tag [1]_
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Syntax
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------
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{% youtube id [width height] %}
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Example
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-------
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{% youtube dQw4w9WgXcQ 640 480 %}
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Output
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------
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<span class="videobox">
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<iframe
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width="640" height="480" src="https://www.youtube.com/embed/dQw4w9WgXcQ"
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frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen>
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</iframe>
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</span>
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[1] https://gist.github.com/jamieowen/2063748
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"""
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import re
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from .mdx_liquid_tags import LiquidTags
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SYNTAX = "{% youtube id [width height] %}"
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YOUTUBE = re.compile(r'([\S]+)(\s+([\d%]+)\s([\d%]+))?')
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@LiquidTags.register('youtube')
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def youtube(preprocessor, tag, markup):
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width = 640
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height = 390
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youtube_id = None
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match = YOUTUBE.search(markup)
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if match:
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groups = match.groups()
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youtube_id = groups[0]
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width = groups[2] or width
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height = groups[3] or height
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if youtube_id:
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youtube_out = """
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<span class="videobox">
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<iframe width="{width}" height="{height}"
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src='https://www.youtube.com/embed/{youtube_id}'
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frameborder='0' webkitAllowFullScreen mozallowfullscreen
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allowFullScreen>
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</iframe>
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</span>
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""".format(width=width, height=height, youtube_id=youtube_id).strip()
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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 youtube_out
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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 # noqa
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