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# -*- coding: utf-8 -*-
# Copyright © 2012-2014 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 __future__ import unicode_literals
from collections import defaultdict
import os
from nikola.plugin_categories import Task
from nikola.utils import config_changed
class Indexes(Task):
"""Render the blog indexes."""
name = "render_indexes"
def set_site(self, site):
site.register_path_handler('index', self.index_path)
return super(Indexes, self).set_site(site)
def gen_tasks(self):
self.site.scan_posts()
yield self.group_task()
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'],
"show_untranslated_posts": self.site.config['SHOW_UNTRANSLATED_POSTS'],
"indexes_title": self.site.config['INDEXES_TITLE'],
"indexes_pages": self.site.config['INDEXES_PAGES'],
"indexes_pages_main": self.site.config['INDEXES_PAGES_MAIN'],
"blog_title": self.site.config["BLOG_TITLE"],
"rss_read_more_link": self.site.config["RSS_READ_MORE_LINK"],
}
template_name = "index.tmpl"
posts = self.site.posts
for lang in kw["translations"]:
# Split in smaller lists
lists = []
if kw["show_untranslated_posts"]:
filtered_posts = posts
else:
filtered_posts = [x for x in posts if x.is_translation_available(lang)]
lists.append(filtered_posts[:kw["index_display_post_count"]])
filtered_posts = filtered_posts[kw["index_display_post_count"]:]
while filtered_posts:
lists.append(filtered_posts[-kw["index_display_post_count"]:])
filtered_posts = filtered_posts[:-kw["index_display_post_count"]]
num_pages = len(lists)
for i, post_list in enumerate(lists):
context = {}
indexes_title = kw['indexes_title'] or kw['blog_title'](lang)
if kw["indexes_pages_main"]:
ipages_i = i + 1
ipages_msg = "page %d"
else:
ipages_i = i
ipages_msg = "old posts, page %d"
if kw["indexes_pages"]:
indexes_pages = kw["indexes_pages"] % ipages_i
else:
indexes_pages = " (" + \
kw["messages"][lang][ipages_msg] % ipages_i + ")"
if i > 0 or kw["indexes_pages_main"]:
context["title"] = indexes_title + indexes_pages
else:
context["title"] = indexes_title
context["prevlink"] = None
context["nextlink"] = None
context['index_teasers'] = kw['index_teasers']
if i == 0: # index.html page
context["prevlink"] = None
if num_pages > 1:
context["nextlink"] = "index-{0}.html".format(num_pages - 1)
else:
context["nextlink"] = None
else: # index-x.html pages
if i > 1:
context["nextlink"] = "index-{0}.html".format(i - 1)
if i < num_pages - 1:
context["prevlink"] = "index-{0}.html".format(i + 1)
elif i == num_pages - 1:
context["prevlink"] = "index.html"
context["permalink"] = self.site.link("index", i, lang)
output_name = os.path.join(
kw['output_folder'], self.site.path("index", i,
lang))
task = self.site.generic_post_list_renderer(
lang,
post_list,
output_name,
template_name,
kw['filters'],
context,
)
task_cfg = {1: task['uptodate'][0].config, 2: kw}
task['uptodate'] = [config_changed(task_cfg)]
task['basename'] = 'render_indexes'
yield task
if not self.site.config["STORY_INDEX"]:
return
kw = {
"translations": self.site.config['TRANSLATIONS'],
"post_pages": self.site.config["post_pages"],
"output_folder": self.site.config['OUTPUT_FOLDER'],
"filters": self.site.config['FILTERS'],
"index_file": self.site.config['INDEX_FILE'],
}
template_name = "list.tmpl"
for lang in kw["translations"]:
# Need to group by folder to avoid duplicated tasks (Issue #758)
# Group all pages by path prefix
groups = defaultdict(list)
for p in self.site.timeline:
if not p.is_post:
dirname = os.path.dirname(p.destination_path(lang))
groups[dirname].append(p)
for dirname, post_list in groups.items():
context = {}
context["items"] = [
(post.title(lang), post.permalink(lang))
for post in post_list
]
output_name = os.path.join(kw['output_folder'], dirname, kw['index_file'])
task = self.site.generic_post_list_renderer(lang, post_list,
output_name,
template_name,
kw['filters'],
context)
task_cfg = {1: task['uptodate'][0].config, 2: kw}
task['uptodate'] = [config_changed(task_cfg)]
task['basename'] = self.name
yield task
def index_path(self, name, lang):
if name not in [None, 0]:
return [_f for _f in [self.site.config['TRANSLATIONS'][lang],
self.site.config['INDEX_PATH'],
'index-{0}.html'.format(name)] if _f]
else:
return [_f for _f in [self.site.config['TRANSLATIONS'][lang],
self.site.config['INDEX_PATH'],
self.site.config['INDEX_FILE']]
if _f]
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