pelican-i18n_subsites/_regenerate_context_helpers.py
Ondrej Grover e4fef3ebdf new plugin: i18n_subsites
This plugin extends the translations functionality by creating i8n-ized
sub-sites for the default site.
This commit implements the basic generation functionality.
2014-02-02 09:09:20 +01:00

82 lines
2.7 KiB
Python

import math
import random
from collections import defaultdict
from operator import attrgetter, itemgetter
def regenerate_context_articles(generator):
"""Helper to regenerate context after modifying articles draft state
essentially just a copy from pelican.generators.ArticlesGenerator.generate_context
after process_translations up to signal sending
This has to be kept in sync untill a better solution is found
This is for Pelican version 3.3.0
"""
# Simulate __init__ for fields that need it
generator.dates = {}
generator.tags = defaultdict(list)
generator.categories = defaultdict(list)
generator.authors = defaultdict(list)
# Simulate ArticlesGenerator.generate_context
for article in generator.articles:
# only main articles are listed in categories and tags
# not translations
generator.categories[article.category].append(article)
if hasattr(article, 'tags'):
for tag in article.tags:
generator.tags[tag].append(article)
# ignore blank authors as well as undefined
if hasattr(article, 'author') and article.author.name != '':
generator.authors[article.author].append(article)
# sort the articles by date
generator.articles.sort(key=attrgetter('date'), reverse=True)
generator.dates = list(generator.articles)
generator.dates.sort(key=attrgetter('date'),
reverse=generator.context['NEWEST_FIRST_ARCHIVES'])
# create tag cloud
tag_cloud = defaultdict(int)
for article in generator.articles:
for tag in getattr(article, 'tags', []):
tag_cloud[tag] += 1
tag_cloud = sorted(tag_cloud.items(), key=itemgetter(1), reverse=True)
tag_cloud = tag_cloud[:generator.settings.get('TAG_CLOUD_MAX_ITEMS')]
tags = list(map(itemgetter(1), tag_cloud))
if tags:
max_count = max(tags)
steps = generator.settings.get('TAG_CLOUD_STEPS')
# calculate word sizes
generator.tag_cloud = [
(
tag,
int(math.floor(steps - (steps - 1) * math.log(count)
/ (math.log(max_count)or 1)))
)
for tag, count in tag_cloud
]
# put words in chaos
random.shuffle(generator.tag_cloud)
# and generate the output :)
# order the categories per name
generator.categories = list(generator.categories.items())
generator.categories.sort(
reverse=generator.settings['REVERSE_CATEGORY_ORDER'])
generator.authors = list(generator.authors.items())
generator.authors.sort()
generator._update_context(('articles', 'dates', 'tags', 'categories',
'tag_cloud', 'authors', 'related_posts'))