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from docutils import nodes
from docutils.parsers.rst import directives
CODE = """\
<iframe width="%(width)s"
height="%(height)s"
src="http://www.youtube.com/embed/%(yid)s?rel=0&hd=1&wmode=transparent">
</iframe>
"""
def youtube(name, args, options, content, lineno,
contentOffset, blockText, state, stateMachine):
""" Restructured text extension for inserting youtube embedded videos """
if len(content) == 0:
return
string_vars = {
'yid': content[0],
'width': 425,
'height': 344,
'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 % (string_vars), format='html')]
youtube.content = True
directives.register_directive('youtube', youtube)
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