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# -*- coding: utf-8 -*-
# Copyright © 2012-2016 Roberto Alsina and others.
# Permission is hereby granted, free of charge, to any
# person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the
# Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the
# Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice
# shall be included in all copies or substantial portions of
# the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""YouTube directive for reStructuredText."""
from docutils import nodes
from docutils.parsers.rst import Directive, directives
from nikola.plugins.compile.rest import _align_choice, _align_options_base
from nikola.plugin_categories import RestExtension
class Plugin(RestExtension):
"""Plugin for the youtube directive."""
name = "rest_youtube"
def set_site(self, site):
"""Set Nikola site."""
self.site = site
directives.register_directive('youtube', Youtube)
return super(Plugin, self).set_site(site)
CODE = """\
<div class="youtube-video{align}">
<iframe width="{width}" height="{height}"
src="https://www.youtube.com/embed/{yid}?rel=0&hd=1&wmode=transparent"
></iframe>
</div>"""
class Youtube(Directive):
"""reST extension for inserting youtube embedded videos.
Usage:
.. youtube:: lyViVmaBQDg
:height: 400
:width: 600
"""
has_content = True
required_arguments = 1
option_spec = {
"width": directives.positive_int,
"height": directives.positive_int,
"align": _align_choice
}
def run(self):
"""Run the youtube directive."""
self.check_content()
options = {
'yid': self.arguments[0],
'width': 425,
'height': 344,
}
options.update(self.options)
if self.options.get('align') in _align_options_base:
options['align'] = ' align-' + self.options['align']
else:
options['align'] = ''
return [nodes.raw('', CODE.format(**options), format='html')]
def check_content(self):
"""Check if content exists."""
if self.content: # pragma: no cover
raise self.warning("This directive does not accept content. The "
"'key=value' format for options is deprecated, "
"use ':key: value' instead")
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