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# -*- coding: utf-8 -*-
# Copyright © 2012-2015 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.
from docutils import nodes
from docutils.parsers.rst import roles
from nikola.utils import split_explicit_title
from nikola.plugin_categories import RestExtension
class Plugin(RestExtension):
name = 'rest_doc'
def set_site(self, site):
self.site = site
roles.register_canonical_role('doc', doc_role)
doc_role.site = site
return super(Plugin, self).set_site(site)
def doc_role(name, rawtext, text, lineno, inliner,
options={}, content=[]):
# split link's text and post's slug in role content
has_explicit_title, title, slug = split_explicit_title(text)
# check if the slug given is part of our blog posts/pages
twin_slugs = False
post = None
for p in doc_role.site.timeline:
if p.meta('slug') == slug:
if post is None:
post = p
else:
twin_slugs = True
break
try:
if post is None:
raise ValueError
except ValueError:
msg = inliner.reporter.error(
'"{0}" slug doesn\'t exist.'.format(slug),
line=lineno)
prb = inliner.problematic(rawtext, rawtext, msg)
return [prb], [msg]
if not has_explicit_title:
# use post's title as link's text
title = post.title()
permalink = post.permalink()
if twin_slugs:
msg = inliner.reporter.warning(
'More than one post with the same slug. Using "{0}"'.format(permalink))
node = make_link_node(rawtext, title, permalink, options)
return [node], []
def make_link_node(rawtext, text, url, options):
node = nodes.reference(rawtext, text, refuri=url, *options)
return node
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