www.duckland.org/plugins/slides/slides.py
2019-05-20 21:02:38 -05:00

77 lines
2.4 KiB
Python

# -*- coding: utf-8 -*-
# Copyright © 2012-2018 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.
"""Slides directive for reStructuredText."""
import uuid
from docutils import nodes
from docutils.parsers.rst import Directive, directives
from nikola.plugin_categories import RestExtension
class Plugin(RestExtension):
"""Plugin for reST slides directive."""
name = "rest_slides"
def set_site(self, site):
"""Set Nikola site."""
self.site = site
directives.register_directive('slides', Slides)
Slides.site = site
return super(Plugin, self).set_site(site)
class Slides(Directive):
"""reST extension for inserting slideshows."""
has_content = True
def run(self):
"""Run the slides directive."""
if len(self.content) == 0: # pragma: no cover
return
if self.site.invariant: # for testing purposes
carousel_id = 'slides_' + 'fixedvaluethatisnotauuid'
else:
carousel_id = 'slides_' + uuid.uuid4().hex
output = self.site.template_system.render_template(
'slides.tmpl',
None,
{
'slides_content': self.content,
'carousel_id': carousel_id,
}
)
return [nodes.raw('', output, format='html')]
directives.register_directive('slides', Slides)