# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
-import datetime
-import feedparser
+from random import randint, random
+from urlparse import urlparse
+from django.conf import settings
from django import template
from django.template import Node, Variable, Template, Context
-from django.core.cache import cache
from django.core.urlresolvers import reverse
from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
+from django.utils.cache import add_never_cache_headers
from django.utils.translation import ugettext as _
-from catalogue import forms
-from catalogue.utils import split_tags
-from catalogue.models import Book, Fragment, Tag
+from ssify import ssi_variable
+from catalogue.models import Book, BookMedia, Fragment, Tag, Source
+from catalogue.constants import LICENSES
+from picture.models import Picture
register = template.Library()
template = Template("{{ category }}: <a href='{{ tag.get_absolute_url }}'>{{ tag.name }}</a>")
return capfirst(",<br/>".join(
template.render(Context({'tag': tag, 'category': _(tag.category)})) for tag in tags))
-
def simple_title(tags):
%(children)s
""" % {
"depth": depth,
- "title": book.title,
+ "title": book.title,
"audiences": ", ".join(book.audiences_pl()),
"audiobook": "audiobook" if book.has_media('mp3') else "",
"children": book_tree_texml(books_by_parent.get(book.id, ()), books_by_parent, depth + 1)
} for book in book_list)
+@register.simple_tag
+def book_tree_csv(author, book_list, books_by_parent, depth=1, max_depth=3, delimeter="\t"):
+ def quote_if_necessary(s):
+ try:
+ s.index(delimeter)
+ s.replace('"', '\\"')
+ return '"%s"' % s
+ except ValueError:
+ return s
+
+ return "".join("""%(author)s%(d)s%(preindent)s%(title)s%(d)s%(postindent)s%(audiences)s%(d)s%(audiobook)s
+%(children)s""" % {
+ "d": delimeter,
+ "preindent": delimeter * (depth - 1),
+ "postindent": delimeter * (max_depth - depth),
+ "depth": depth,
+ "author": quote_if_necessary(author.name),
+ "title": quote_if_necessary(book.title),
+ "audiences": ", ".join(book.audiences_pl()),
+ "audiobook": "audiobook" if book.has_media('mp3') else "",
+ "children": book_tree_csv(author, books_by_parent.get(book.id, ()), books_by_parent, depth + 1)
+ } for book in book_list)
+
@register.simple_tag
def all_editors(extra_info):
editors = []
return reverse('main_page')
-@register.inclusion_tag('catalogue/latest_blog_posts.html')
-def latest_blog_posts(feed_url, posts_to_show=5):
- try:
- feed = feedparser.parse(str(feed_url))
- posts = []
- for i in range(posts_to_show):
- pub_date = feed['entries'][i].updated_parsed
- published = datetime.date(pub_date[0], pub_date[1], pub_date[2] )
- posts.append({
- 'title': feed['entries'][i].title,
- 'summary': feed['entries'][i].summary,
- 'link': feed['entries'][i].link,
- 'date': published,
- })
- return {'posts': posts}
- except:
- return {'posts': []}
-
-
@register.inclusion_tag('catalogue/tag_list.html')
def tag_list(tags, choices=None):
if choices is None:
return tag_list(tags, choices)
-@register.inclusion_tag('catalogue/book_info.html')
-def book_info(book):
+@register.inclusion_tag('catalogue/collection_list.html')
+def collection_list(collections):
return locals()
-@register.inclusion_tag('catalogue/book_wide.html', takes_context=True)
-def book_wide(context, book):
- book_themes = book.related_themes()
- extra_info = book.extra_info
- hide_about = extra_info.get('about', '').startswith('http://wiki.wolnepodreczniki.pl')
-
+@register.inclusion_tag('catalogue/book_info.html')
+def book_info(book):
return {
+ 'is_picture': isinstance(book, Picture),
'book': book,
- 'main_link': reverse('book_text', args=[book.slug]) if book.html_file else None,
- 'related': book.related_info(),
- 'extra_info': extra_info,
- 'hide_about': hide_about,
- 'themes': book_themes,
- 'request': context.get('request'),
}
-@register.inclusion_tag('catalogue/book_short.html', takes_context=True)
-def book_short(context, book):
- return {
- 'book': book,
- 'main_link': book.get_absolute_url(),
- 'related': book.related_info(),
- 'request': context.get('request'),
- }
+@register.inclusion_tag('catalogue/work-list.html', takes_context=True)
+def work_list(context, object_list):
+ request = context.get('request')
+ return locals()
+
+
+# TODO: These are no longer just books.
+@register.inclusion_tag('catalogue/related_books.html', takes_context=True)
+def related_books(context, instance, limit=6, random=1, taken=0):
+ limit = limit - taken
+ max_books = limit - random
+ is_picture = isinstance(instance, Picture)
+ pics_qs = Picture.objects.all()
+ if is_picture:
+ pics_qs = pics_qs.exclude(pk=instance.pk)
+ pics = Picture.tagged.related_to(instance, pics_qs)
+ if pics.exists():
+ # Reserve one spot for an image.
+ max_books -= 1
+
+ books_qs = Book.objects.all()
+ if not is_picture:
+ books_qs = books_qs.exclude(common_slug=instance.common_slug).exclude(ancestor=instance)
+ books = Book.tagged.related_to(instance, books_qs)[:max_books]
+
+ pics = pics[:1 + max_books - books.count()]
+
+ random_excluded_books = [b.pk for b in books]
+ random_excluded_pics = [p.pk for p in pics]
+ (random_excluded_pics if is_picture else random_excluded_books).append(instance.pk)
-@register.inclusion_tag('catalogue/book_mini_box.html')
-def book_mini(book):
return {
- 'book': book,
- 'related': book.related_info(),
+ 'request': context['request'],
+ 'books': books,
+ 'pics': pics,
+ 'random': random,
+ 'random_excluded_books': random_excluded_books,
+ 'random_excluded_pics': random_excluded_pics,
}
-@register.inclusion_tag('catalogue/work-list.html', takes_context=True)
-def work_list(context, object_list):
- request = context.get('request')
- if object_list:
- object_type = type(object_list[0]).__name__
- return locals()
-
+@register.inclusion_tag('catalogue/menu.html')
+def catalogue_menu():
+ return {'categories': [
+ ('author', _('Authors'), 'autorzy'),
+ ('genre', _('Genres'), 'gatunki'),
+ ('kind', _('Kinds'), 'rodzaje'),
+ ('epoch', _('Epochs'), 'epoki'),
+ ('theme', _('Themes'), 'motywy'),
+ ]}
-@register.inclusion_tag('catalogue/fragment_promo.html')
-def fragment_promo(arg=None):
- if arg is None:
- fragments = Fragment.objects.all().order_by('?')
- fragment = fragments[0] if fragments.exists() else None
- elif isinstance(arg, Book):
- fragment = arg.choose_fragment()
- else:
- fragments = Fragment.tagged.with_all(arg).order_by('?')
- fragment = fragments[0] if fragments.exists() else None
+@register.simple_tag
+def download_audio(book, daisy=True):
+ links = []
+ if book.has_media('mp3'):
+ links.append("<a href='%s'>%s</a>" %
+ (reverse('download_zip_mp3', args=[book.slug]),
+ BookMedia.formats['mp3'].name))
+ if book.has_media('ogg'):
+ links.append("<a href='%s'>%s</a>" %
+ (reverse('download_zip_ogg', args=[book.slug]),
+ BookMedia.formats['ogg'].name))
+ if daisy and book.has_media('daisy'):
+ for dsy in book.get_media('daisy'):
+ links.append("<a href='%s'>%s</a>" %
+ (dsy.file.url, BookMedia.formats['daisy'].name))
+ return ", ".join(links)
+
+
+@register.inclusion_tag("catalogue/snippets/custom_pdf_link_li.html")
+def custom_pdf_link_li(book):
return {
- 'fragment': fragment,
+ 'book': book,
+ 'NO_CUSTOM_PDF': settings.NO_CUSTOM_PDF,
}
-@register.inclusion_tag('catalogue/related_books.html')
-def related_books(book, limit=6, random=1):
- cache_key = "catalogue.related_books.%d.%d" % (book.id, limit - random)
- related = cache.get(cache_key)
- if related is None:
- related = list(Book.objects.filter(
- common_slug=book.common_slug).exclude(pk=book.pk)[:limit])
- limit -= len(related)
- if limit > random:
- related += Book.tagged.related_to(book,
- Book.objects.exclude(common_slug=book.common_slug),
- ignore_by_tag=book.book_tag())[:limit-random]
- cache.set(cache_key, related, 1800)
- if random:
- related += list(Book.objects.exclude(
- pk__in=[b.pk for b in related] + [book.pk]
- ).order_by('?')[:random])
+@register.inclusion_tag("catalogue/snippets/license_icon.html")
+def license_icon(license_url):
+ """Creates a license icon, if the license_url is known."""
+ known = LICENSES.get(license_url)
+ if known is None:
+ return {}
return {
- 'books': related,
+ "license_url": license_url,
+ "icon": "img/licenses/%s.png" % known['icon'],
+ "license_description": known['description'],
}
-@register.inclusion_tag('catalogue/menu.html')
-def catalogue_menu():
- tags = Tag.objects.filter(
- category__in=('author', 'epoch', 'genre', 'kind', 'theme')
- ).exclude(book_count=0)
- return split_tags(tags)
-
+@register.filter
+def class_name(obj):
+ return obj.__class__.__name__
@register.simple_tag
-def tag_url(category, slug):
- return reverse('catalogue.views.tagged_object_list', args=[
- '/'.join((Tag.categories_dict[category], slug))
- ])
+def source_name(url):
+ url = url.lstrip()
+ netloc = urlparse(url).netloc
+ if not netloc:
+ netloc = urlparse('http://' + url).netloc
+ if not netloc:
+ return ''
+ source, created = Source.objects.get_or_create(netloc=netloc)
+ return source.name or netloc
+
+
+@ssi_variable(register, patch_response=[add_never_cache_headers])
+def catalogue_random_book(request, exclude_ids):
+ from .. import app_settings
+ if random() < app_settings.RELATED_RANDOM_PICTURE_CHANCE:
+ return None
+ queryset = Book.objects.exclude(pk__in=exclude_ids)
+ count = queryset.count()
+ if count:
+ return queryset[randint(0, count - 1)].pk
+ else:
+ return None
+
+
+@ssi_variable(register, patch_response=[add_never_cache_headers])
+def choose_fragment(request, book_id=None, tag_ids=None, unless=False):
+ if unless:
+ return None
+
+ if book_id is not None:
+ fragment = Book.objects.get(pk=book_id).choose_fragment()
+ else:
+ if tag_ids is not None:
+ tags = Tag.objects.filter(pk__in=tag_ids)
+ fragments = Fragment.tagged.with_all(tags).order_by().only('id')
+ else:
+ fragments = Fragment.objects.all().order_by().only('id')
+ fragment_count = fragments.count()
+ fragment = fragments[randint(0, fragment_count - 1)] if fragment_count else None
+ return fragment.pk if fragment is not None else None
fnp / wolnelektury.git / blobdiff