iframe-proxy | Sunbelt Computer Software

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from __future__ import absolute_import
from docutils import nodes
import jinja2
from docutils.parsers.rst.directives import unchanged
from docutils.parsers.rst import Directive
BUTTON_TEMPLATE = jinja2.Template(u"""
<button data-href="{{ link }}" id="{{ id }}" class="redoc-btn">
    {{ text }}
# placeholder node for document graph
class button_node(nodes.General, nodes.Element):
class ButtonDirective(Directive):
    required_arguments = 0
    option_spec = {
        'text': unchanged,
        'link': unchanged,
    # this will execute when your directive is encountered
    # it will insert a button_node into the document that will
    # get visisted during the build phase
    def run(self):
        env = self.state.document.settings.env
        app = env.app
        node = button_node()
        node['text'] = self.options['text']
        node['link'] = self.options['link']
        return [node]
# build phase visitor emits HTML to append to output
def html_visit_button_node(self, node):
    html = BUTTON_TEMPLATE.render(text=node['text'], link=node['link'], id='redoc-btn')
    self.body.append(html)
    raise nodes.SkipNode
# if you want to be pedantic, define text, latex, manpage visitors too..
def setup(app):
    app.add_node(button_node,
                 html=(html_visit_button_node, None))
    app.add_css_file('button.css')
    app.add_directive('button', ButtonDirective)

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