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# -*- coding: utf-8 -*-
"""
Disqus static comment plugin for Pelican
====================================
This plugin adds a disqus_comments property to all articles.
Comments are fetched at generation time using disqus API.
"""
from __future__ import unicode_literals
from disqusapi import DisqusAPI, Paginator
from pelican import signals
def initialized(pelican):
from pelican.settings import DEFAULT_CONFIG
DEFAULT_CONFIG.setdefault('DISQUS_SECRET_KEY', '')
DEFAULT_CONFIG.setdefault('DISQUS_PUBLIC_KEY', '')
if pelican:
pelican.settings.setdefault('DISQUS_SECRET_KEY', '')
pelican.settings.setdefault('DISQUS_PUBLIC_KEY', '')
def disqus_static(generator):
disqus = DisqusAPI(generator.settings['DISQUS_SECRET_KEY'],
generator.settings['DISQUS_PUBLIC_KEY'])
# first retrieve the threads
threads = Paginator(disqus.threads.list,
forum=generator.settings['DISQUS_SITENAME'])
# build a {thread_id: title} dict
thread_dict = {}
for thread in threads:
thread_dict[thread['id']] = thread['title']
# now retrieve the posts
posts = Paginator(disqus.posts.list,
forum=generator.settings['DISQUS_SITENAME'])
# build a {post_id: [child_post1, child_post2, ...]} dict
child_dict = {}
for post in posts:
if post['id'] not in child_dict.keys():
child_dict[post['id']] = []
if post['parent'] is not None:
if str(post['parent']) not in child_dict.keys():
child_dict[str(post['parent'])] = []
child_dict[str(post['parent'])].append(post)
# build a {title: [post1, post2, ...]} dict
post_dict = {}
for post in posts:
build_post_dict(post_dict, child_dict, thread_dict, post)
for article in generator.articles:
if article.title in post_dict:
article.disqus_comments = post_dict[article.title]
article.disqus_comment_count = sum([
postcounter(post) for post in post_dict[article.title]])
def postcounter(node):
return 1 + sum([postcounter(n) for n in node['children']])
def build_post_dict(post_dict, child_dict, thread_dict, post):
if post['thread'] not in thread_dict.keys():
return # invalid thread, should never happen
build_child_dict(child_dict, post)
if post['parent'] is not None:
return # this is a child post, don't want to display it here
if thread_dict[post['thread']] not in post_dict.keys():
post_dict[thread_dict[post['thread']]] = []
post_dict[thread_dict[post['thread']]].append(post)
def build_child_dict(child_dict, post):
post['children'] = child_dict[post['id']]
for child in child_dict[post['id']]:
build_child_dict(child_dict, child)
def register():
signals.initialized.connect(initialized)
signals.article_generator_finalized.connect(disqus_static)
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