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# Copyright (c) 2012 Roberto Alsina y otros.
# 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 __future__ import unicode_literals
import codecs
import json
import os
from nikola.plugin_categories import Task
from nikola.utils import config_changed, copy_file, unicode_str
class Mustache(Task):
"""Render the blog posts as JSON data."""
name = "render_mustache"
def gen_tasks(self):
self.site.scan_posts()
kw = {
"translations": self.site.config['TRANSLATIONS'],
"index_display_post_count":
self.site.config['INDEX_DISPLAY_POST_COUNT'],
"messages": self.site.MESSAGES,
"index_teasers": self.site.config['INDEX_TEASERS'],
"output_folder": self.site.config['OUTPUT_FOLDER'],
"filters": self.site.config['FILTERS'],
"blog_title": self.site.config['BLOG_TITLE'],
"content_footer": self.site.config['CONTENT_FOOTER'],
}
# TODO: timeline is global, get rid of it
posts = [x for x in self.site.timeline if x.use_in_feeds]
if not posts:
yield {
'basename': 'render_mustache',
'actions': [],
}
return
def write_file(path, post, lang):
# Prev/Next links
prev_link = False
if post.prev_post:
prev_link = post.prev_post.permalink(lang).replace(".html",
".json")
next_link = False
if post.next_post:
next_link = post.next_post.permalink(lang).replace(".html",
".json")
data = {}
# Configuration
for k, v in self.site.config.items():
if isinstance(v, (str, unicode_str)): # NOQA
data[k] = v
# Tag data
tags = []
for tag in post.tags:
tags.append({'name': tag, 'link': self.site.link("tag", tag,
lang)})
data.update({
"tags": tags,
"tags?": True if tags else False,
})
# Template strings
for k, v in kw["messages"][lang].items():
data["message_" + k] = v
# Post data
data.update({
"title": post.title(lang),
"text": post.text(lang),
"prev": prev_link,
"next": next_link,
"date":
post.date.strftime(self.site.GLOBAL_CONTEXT['date_format']),
})
# Disqus comments
data["disqus_html"] = ('<div id="disqus_thread"></div> <script '
'type="text/javascript">var disqus_'
'shortname="%s";var disqus_url="%s";'
'(function(){var a=document.createElement'
'("script");a.type="text/javascript";'
'a.async=true;a.src="http://"+disqus_'
'shortname+".disqus.com/embed.js";('
'document.getElementsByTagName("head")'
'[0]||document.getElementsByTagName("body")'
'[0]).appendChild(a)})(); </script>'
'<noscript>Please enable JavaScript to view'
' the <a href="http://disqus.com/'
'?ref_noscript">comments powered by DISQUS.'
'</a></noscript><a href="http://disqus.com"'
'class="dsq-brlink">comments powered by <sp'
'an class="logo-disqus">DISQUS</span></a>' %
(self.site.config['DISQUS_FORUM'],
post.permalink(absolute=True)))
# Post translations
translations = []
for langname in kw["translations"]:
if langname == lang:
continue
translations.append({'name':
kw["messages"][langname]["Read in English"],
'link': "javascript:load_data('%s');"
% post.permalink(langname).replace(
".html", ".json")})
data["translations"] = translations
try:
os.makedirs(os.path.dirname(path))
except:
pass
with codecs.open(path, 'wb+', 'utf8') as fd:
fd.write(json.dumps(data))
for lang in kw["translations"]:
for i, post in enumerate(posts):
out_path = post.destination_path(lang, ".json")
out_file = os.path.join(kw['output_folder'], out_path)
task = {
'basename': 'render_mustache',
'name': out_file,
'file_dep': post.fragment_deps(lang),
'targets': [out_file],
'actions': [(write_file, (out_file, post, lang))],
'task_dep': ['render_posts'],
'uptodate': [config_changed({
1: post.text(lang),
2: post.prev_post,
3: post.next_post,
4: post.title(lang),
})]
}
yield task
if posts:
first_post_data = posts[0].permalink(
self.site.config["DEFAULT_LANG"]).replace(".html", ".json")
# Copy mustache template
src = os.path.join(os.path.dirname(__file__), 'mustache-template.html')
dst = os.path.join(kw['output_folder'], 'mustache-template.html')
yield {
'basename': 'render_mustache',
'name': dst,
'targets': [dst],
'file_dep': [src],
'actions': [(copy_file, (src, dst))],
}
# Copy mustache.html with the right starting file in it
src = os.path.join(os.path.dirname(__file__), 'mustache.html')
dst = os.path.join(kw['output_folder'], 'mustache.html')
def copy_mustache():
with codecs.open(src, 'rb', 'utf8') as in_file:
with codecs.open(dst, 'wb+', 'utf8') as out_file:
data = in_file.read().replace('{{first_post_data}}',
first_post_data)
out_file.write(data)
yield {
'basename': 'render_mustache',
'name': dst,
'targets': [dst],
'file_dep': [src],
'uptodate': [config_changed({1: first_post_data})],
'actions': [(copy_mustache, [])],
}
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