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from docutils import nodes
from docutils.parsers.rst import directives
CODE = ("""<iframe width="{width}" height="{height}"
scrolling="no" frameborder="no"
src="https://w.soundcloud.com/player/?url=http://api.soundcloud.com/tracks/"""
"""{sid}">
</iframe>""")
def soundcloud(name, args, options, content, lineno,
contentOffset, blockText, state, stateMachine):
""" Restructured text extension for inserting SoundCloud embedded music """
string_vars = {
'sid': content[0],
'width': 600,
'height': 160,
'extra': ''
}
extra_args = content[1:] # Because content[0] is ID
extra_args = [ea.strip().split("=") for ea in extra_args] # key=value
extra_args = [ea for ea in extra_args if len(ea) == 2] # drop bad lines
extra_args = dict(extra_args)
if 'width' in extra_args:
string_vars['width'] = extra_args.pop('width')
if 'height' in extra_args:
string_vars['height'] = extra_args.pop('height')
return [nodes.raw('', CODE.format(**string_vars), format='html')]
soundcloud.content = True
directives.register_directive('soundcloud', soundcloud)
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