+++ /dev/null
-# -*- coding: utf-8 -*-
-# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
-# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
-#
-import re
-import itertools
-
-from django.conf import settings
-from django.core.cache import get_cache
-from django.template import RequestContext
-from django.template.loader import render_to_string
-from django.shortcuts import render_to_response, get_object_or_404, redirect
-from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect
-from django.core.urlresolvers import reverse
-from django.db.models import Q
-from django.contrib.auth.decorators import login_required, user_passes_test
-from django.utils.datastructures import SortedDict
-from django.utils.http import urlquote_plus
-from django.utils import translation
-from django.utils.translation import ugettext as _, ugettext_lazy
-from django.views.decorators.cache import never_cache
-
-from ajaxable.utils import JSONResponse, AjaxableFormView
-
-from catalogue import models
-from catalogue import forms
-from catalogue.utils import split_tags, MultiQuerySet
-from pdcounter import models as pdcounter_models
-from pdcounter import views as pdcounter_views
-from suggest.forms import PublishingSuggestForm
-from picture.models import Picture
-
-staff_required = user_passes_test(lambda user: user.is_staff)
-permanent_cache = get_cache('permanent')
-
-
-def catalogue(request):
- tags = models.Tag.objects.exclude(
- category__in=('set', 'book')).exclude(book_count=0)
- tags = list(tags)
- for tag in tags:
- tag.count = tag.book_count
- categories = split_tags(tags)
- fragment_tags = categories.get('theme', [])
-
- return render_to_response('catalogue/catalogue.html', locals(),
- context_instance=RequestContext(request))
-
-
-def book_list(request, filter=None, template_name='catalogue/book_list.html',
- nav_template_name='catalogue/snippets/book_list_nav.html',
- list_template_name='catalogue/snippets/book_list.html',
- cache_key='catalogue.book_list',
- context=None,
- ):
- """ generates a listing of all books, optionally filtered with a test function """
- cached = permanent_cache.get(cache_key)
- if cached is not None:
- rendered_nav, rendered_book_list = cached
- else:
- books_by_author, orphans, books_by_parent = models.Book.book_list(filter)
- books_nav = SortedDict()
- for tag in books_by_author:
- if books_by_author[tag]:
- books_nav.setdefault(tag.sort_key[0], []).append(tag)
- rendered_nav = render_to_string(nav_template_name, locals())
- rendered_book_list = render_to_string(list_template_name, locals())
- permanent_cache.set(cache_key, (rendered_nav, rendered_book_list))
- return render_to_response(template_name, locals(),
- context_instance=RequestContext(request))
-
-
-def audiobook_list(request):
- return book_list(request, Q(media__type='mp3') | Q(media__type='ogg'),
- template_name='catalogue/audiobook_list.html',
- list_template_name='catalogue/snippets/audiobook_list.html',
- cache_key='catalogue.audiobook_list')
-
-
-def daisy_list(request):
- return book_list(request, Q(media__type='daisy'),
- template_name='catalogue/daisy_list.html',
- cache_key='catalogue.daisy_list')
-
-
-def collection(request, slug):
- coll = get_object_or_404(models.Collection, slug=slug)
- slugs = coll.book_slugs.split()
- # allow URIs
- slugs = [slug.rstrip('/').rsplit('/', 1)[-1] if '/' in slug else slug
- for slug in slugs]
- return book_list(request, Q(slug__in=slugs),
- template_name='catalogue/collection.html',
- cache_key='catalogue.collection:%s' % coll.slug,
- context={'collection': coll})
-
-
-def differentiate_tags(request, tags, ambiguous_slugs):
- beginning = '/'.join(tag.url_chunk for tag in tags)
- unparsed = '/'.join(ambiguous_slugs[1:])
- options = []
- for tag in models.Tag.objects.exclude(category='book').filter(slug=ambiguous_slugs[0]):
- options.append({
- 'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'),
- 'tags': [tag]
- })
- return render_to_response('catalogue/differentiate_tags.html',
- {'tags': tags, 'options': options, 'unparsed': ambiguous_slugs[1:]},
- context_instance=RequestContext(request))
-
-
-@never_cache
-def tagged_object_list(request, tags=''):
- try:
- tags = models.Tag.get_tag_list(tags)
- except models.Tag.DoesNotExist:
- chunks = tags.split('/')
- if len(chunks) == 2 and chunks[0] == 'autor':
- return pdcounter_views.author_detail(request, chunks[1])
- else:
- raise Http404
- except models.Tag.MultipleObjectsReturned, e:
- return differentiate_tags(request, e.tags, e.ambiguous_slugs)
- except models.Tag.UrlDeprecationWarning, e:
- return HttpResponsePermanentRedirect(reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)]))
-
- try:
- if len(tags) > settings.MAX_TAG_LIST:
- raise Http404
- except AttributeError:
- pass
-
- if len([tag for tag in tags if tag.category == 'book']):
- raise Http404
-
- theme_is_set = [tag for tag in tags if tag.category == 'theme']
- shelf_is_set = [tag for tag in tags if tag.category == 'set']
- only_shelf = shelf_is_set and len(tags) == 1
- only_my_shelf = only_shelf and request.user.is_authenticated() and request.user == tags[0].user
-
- objects = only_author = None
- categories = {}
-
- if theme_is_set:
- shelf_tags = [tag for tag in tags if tag.category == 'set']
- fragment_tags = [tag for tag in tags if tag.category != 'set']
- fragments = models.Fragment.tagged.with_all(fragment_tags)
-
- if shelf_tags:
- books = models.Book.tagged.with_all(shelf_tags).order_by()
- l_tags = models.Tag.objects.filter(category='book',
- slug__in=[book.book_tag_slug() for book in books.iterator()])
- fragments = models.Fragment.tagged.with_any(l_tags, fragments)
-
- # newtagging goes crazy if we just try:
- #related_tags = models.Tag.objects.usage_for_queryset(fragments, counts=True,
- # extra={'where': ["catalogue_tag.category != 'book'"]})
- fragment_keys = [fragment.pk for fragment in fragments.iterator()]
- if fragment_keys:
- related_tags = models.Fragment.tags.usage(counts=True,
- filters={'pk__in': fragment_keys},
- extra={'where': ["catalogue_tag.category != 'book'"]})
- related_tags = (tag for tag in related_tags if tag not in fragment_tags)
- categories = split_tags(related_tags)
-
- objects = fragments
- else:
- if shelf_is_set:
- objects = models.Book.tagged.with_all(tags)
- else:
- objects = models.Book.tagged_top_level(tags)
-
- # get related tags from `tag_counter` and `theme_counter`
- related_counts = {}
- tags_pks = [tag.pk for tag in tags]
- for book in objects.iterator():
- for tag_pk, value in itertools.chain(book.tag_counter.iteritems(), book.theme_counter.iteritems()):
- if tag_pk in tags_pks:
- continue
- related_counts[tag_pk] = related_counts.get(tag_pk, 0) + value
- related_tags = models.Tag.objects.filter(pk__in=related_counts.keys())
- related_tags = [tag for tag in related_tags if tag not in tags]
- for tag in related_tags:
- tag.count = related_counts[tag.pk]
-
- categories = split_tags(related_tags)
- del related_tags
-
- if not objects:
- only_author = len(tags) == 1 and tags[0].category == 'author'
- objects = models.Book.objects.none()
-
- # Add pictures
- objects = MultiQuerySet(Picture.tagged.with_all(tags), objects)
-
- return render_to_response('catalogue/tagged_object_list.html',
- {
- 'object_list': objects,
- 'categories': categories,
- 'only_shelf': only_shelf,
- 'only_author': only_author,
- 'only_my_shelf': only_my_shelf,
- 'formats_form': forms.DownloadFormatsForm(),
- 'tags': tags,
- 'theme_is_set': theme_is_set,
- },
- context_instance=RequestContext(request))
-
-
-def book_fragments(request, slug, theme_slug):
- book = get_object_or_404(models.Book, slug=slug)
-
- book_tag = book.book_tag()
- theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme')
- fragments = models.Fragment.tagged.with_all([book_tag, theme])
-
- return render_to_response('catalogue/book_fragments.html', locals(),
- context_instance=RequestContext(request))
-
-
-@never_cache
-def book_detail(request, slug):
- try:
- book = models.Book.objects.get(slug=slug)
- except models.Book.DoesNotExist:
- return pdcounter_views.book_stub_detail(request, slug)
-
- book_children = book.children.all().order_by('parent_number', 'sort_key')
- return render_to_response('catalogue/book_detail.html', locals(),
- context_instance=RequestContext(request))
-
-
-def player(request, slug):
- book = get_object_or_404(models.Book, slug=slug)
- if not book.has_media('mp3'):
- raise Http404
-
- ogg_files = {}
- for m in book.media.filter(type='ogg').order_by().iterator():
- ogg_files[m.name] = m
-
- audiobooks = []
- have_oggs = True
- projects = set()
- for mp3 in book.media.filter(type='mp3').iterator():
- # ogg files are always from the same project
- meta = mp3.extra_info
- project = meta.get('project')
- if not project:
- # temporary fallback
- project = u'CzytamySłuchając'
-
- projects.add((project, meta.get('funded_by', '')))
-
- media = {'mp3': mp3}
-
- ogg = ogg_files.get(mp3.name)
- if ogg:
- media['ogg'] = ogg
- else:
- have_oggs = False
- audiobooks.append(media)
-
- projects = sorted(projects)
-
- extra_info = book.extra_info
-
- return render_to_response('catalogue/player.html', locals(),
- context_instance=RequestContext(request))
-
-
-def book_text(request, slug):
- book = get_object_or_404(models.Book, slug=slug)
-
- if not book.has_html_file():
- raise Http404
- book_themes = {}
- for fragment in book.fragments.all().iterator():
- for theme in fragment.tags.filter(category='theme').iterator():
- book_themes.setdefault(theme, []).append(fragment)
-
- book_themes = book_themes.items()
- book_themes.sort(key=lambda s: s[0].sort_key)
- related = book.related_info()
- return render_to_response('catalogue/book_text.html', locals(),
- context_instance=RequestContext(request))
-
-
-# ==========
-# = Search =
-# ==========
-
-def _no_diacritics_regexp(query):
- """ returns a regexp for searching for a query without diacritics
-
- should be locale-aware """
- names = {
- u'a':u'aąĄ', u'c':u'cćĆ', u'e':u'eęĘ', u'l': u'lłŁ', u'n':u'nńŃ', u'o':u'oóÓ', u's':u'sśŚ', u'z':u'zźżŹŻ',
- u'ą':u'ąĄ', u'ć':u'ćĆ', u'ę':u'ęĘ', u'ł': u'łŁ', u'ń':u'ńŃ', u'ó':u'óÓ', u'ś':u'śŚ', u'ź':u'źŹ', u'ż':u'żŻ'
- }
- def repl(m):
- l = m.group()
- return u"(%s)" % '|'.join(names[l])
- return re.sub(u'[%s]' % (u''.join(names.keys())), repl, query)
-
-def unicode_re_escape(query):
- """ Unicode-friendly version of re.escape """
- return re.sub('(?u)(\W)', r'\\\1', query)
-
-def _word_starts_with(name, prefix):
- """returns a Q object getting models having `name` contain a word
- starting with `prefix`
-
- We define word characters as alphanumeric and underscore, like in JS.
-
- Works for MySQL, PostgreSQL, Oracle.
- For SQLite, _sqlite* version is substituted for this.
- """
- kwargs = {}
-
- prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
- # can't use [[:<:]] (word start),
- # but we want both `xy` and `(xy` to catch `(xyz)`
- kwargs['%s__iregex' % name] = u"(^|[^[:alnum:]_])%s" % prefix
-
- return Q(**kwargs)
-
-
-def _word_starts_with_regexp(prefix):
- prefix = _no_diacritics_regexp(unicode_re_escape(prefix))
- return ur"(^|(?<=[^\wąćęłńóśźżĄĆĘŁŃÓŚŹŻ]))%s" % prefix
-
-
-def _sqlite_word_starts_with(name, prefix):
- """ version of _word_starts_with for SQLite
-
- SQLite in Django uses Python re module
- """
- kwargs = {}
- kwargs['%s__iregex' % name] = _word_starts_with_regexp(prefix)
- return Q(**kwargs)
-
-
-if hasattr(settings, 'DATABASES'):
- if settings.DATABASES['default']['ENGINE'] == 'django.db.backends.sqlite3':
- _word_starts_with = _sqlite_word_starts_with
-elif settings.DATABASE_ENGINE == 'sqlite3':
- _word_starts_with = _sqlite_word_starts_with
-
-
-class App():
- def __init__(self, name, view):
- self.name = name
- self._view = view
- self.lower = name.lower()
- self.category = 'application'
- def view(self):
- return reverse(*self._view)
-
-_apps = (
- App(u'Leśmianator', (u'lesmianator', )),
- )
-
-
-def _tags_starting_with(prefix, user=None):
- prefix = prefix.lower()
- # PD counter
- book_stubs = pdcounter_models.BookStub.objects.filter(_word_starts_with('title', prefix))
- authors = pdcounter_models.Author.objects.filter(_word_starts_with('name', prefix))
-
- books = models.Book.objects.filter(_word_starts_with('title', prefix))
- tags = models.Tag.objects.filter(_word_starts_with('name', prefix))
- if user and user.is_authenticated():
- tags = tags.filter(~Q(category='book') & (~Q(category='set') | Q(user=user)))
- else:
- tags = tags.filter(~Q(category='book') & ~Q(category='set'))
-
- prefix_regexp = re.compile(_word_starts_with_regexp(prefix))
- return list(books) + list(tags) + [app for app in _apps if prefix_regexp.search(app.lower)] + list(book_stubs) + list(authors)
-
-
-def _get_result_link(match, tag_list):
- if isinstance(match, models.Tag):
- return reverse('catalogue.views.tagged_object_list',
- kwargs={'tags': '/'.join(tag.url_chunk for tag in tag_list + [match])}
- )
- elif isinstance(match, App):
- return match.view()
- else:
- return match.get_absolute_url()
-
-
-def _get_result_type(match):
- if isinstance(match, models.Book) or isinstance(match, pdcounter_models.BookStub):
- type = 'book'
- else:
- type = match.category
- return type
-
-
-def books_starting_with(prefix):
- prefix = prefix.lower()
- return models.Book.objects.filter(_word_starts_with('title', prefix))
-
-
-def find_best_matches(query, user=None):
- """ Finds a models.Book, Tag, models.BookStub or Author best matching a query.
-
- Returns a with:
- - zero elements when nothing is found,
- - one element when a best result is found,
- - more then one element on multiple exact matches
-
- Raises a ValueError on too short a query.
- """
-
- query = query.lower()
- if len(query) < 2:
- raise ValueError("query must have at least two characters")
-
- result = tuple(_tags_starting_with(query, user))
- # remove pdcounter stuff
- book_titles = set(match.pretty_title().lower() for match in result
- if isinstance(match, models.Book))
- authors = set(match.name.lower() for match in result
- if isinstance(match, models.Tag) and match.category=='author')
- result = tuple(res for res in result if not (
- (isinstance(res, pdcounter_models.BookStub) and res.pretty_title().lower() in book_titles)
- or (isinstance(res, pdcounter_models.Author) and res.name.lower() in authors)
- ))
-
- exact_matches = tuple(res for res in result if res.name.lower() == query)
- if exact_matches:
- return exact_matches
- else:
- return tuple(result)[:1]
-
-
-def search(request):
- tags = request.GET.get('tags', '')
- prefix = request.GET.get('q', '')
-
- try:
- tag_list = models.Tag.get_tag_list(tags)
- except:
- tag_list = []
-
- try:
- result = find_best_matches(prefix, request.user)
- except ValueError:
- return render_to_response('catalogue/search_too_short.html', {'tags':tag_list, 'prefix':prefix},
- context_instance=RequestContext(request))
-
- if len(result) == 1:
- return HttpResponseRedirect(_get_result_link(result[0], tag_list))
- elif len(result) > 1:
- return render_to_response('catalogue/search_multiple_hits.html',
- {'tags':tag_list, 'prefix':prefix, 'results':((x, _get_result_link(x, tag_list), _get_result_type(x)) for x in result)},
- context_instance=RequestContext(request))
- else:
- form = PublishingSuggestForm(initial={"books": prefix + ", "})
- return render_to_response('catalogue/search_no_hits.html',
- {'tags':tag_list, 'prefix':prefix, "pubsuggest_form": form},
- context_instance=RequestContext(request))
-
-
-def tags_starting_with(request):
- prefix = request.GET.get('q', '')
- # Prefix must have at least 2 characters
- if len(prefix) < 2:
- return HttpResponse('')
- tags_list = []
- result = ""
- for tag in _tags_starting_with(prefix, request.user):
- if not tag.name in tags_list:
- result += "\n" + tag.name
- tags_list.append(tag.name)
- return HttpResponse(result)
-
-def json_tags_starting_with(request, callback=None):
- # Callback for JSONP
- prefix = request.GET.get('q', '')
- callback = request.GET.get('callback', '')
- # Prefix must have at least 2 characters
- if len(prefix) < 2:
- return HttpResponse('')
- tags_list = []
- for tag in _tags_starting_with(prefix, request.user):
- if not tag.name in tags_list:
- tags_list.append(tag.name)
- if request.GET.get('mozhint', ''):
- result = [prefix, tags_list]
- else:
- result = {"matches": tags_list}
- return JSONResponse(result, callback)
-
-
-# =========
-# = Admin =
-# =========
-@login_required
-@staff_required
-def import_book(request):
- """docstring for import_book"""
- book_import_form = forms.BookImportForm(request.POST, request.FILES)
- if book_import_form.is_valid():
- try:
- book_import_form.save()
- except:
- import sys
- import pprint
- import traceback
- info = sys.exc_info()
- exception = pprint.pformat(info[1])
- tb = '\n'.join(traceback.format_tb(info[2]))
- return HttpResponse(_("An error occurred: %(exception)s\n\n%(tb)s") % {'exception':exception, 'tb':tb}, mimetype='text/plain')
- return HttpResponse(_("Book imported successfully"))
- else:
- return HttpResponse(_("Error importing file: %r") % book_import_form.errors)
-
-
-# info views for API
-
-def book_info(request, id, lang='pl'):
- book = get_object_or_404(models.Book, id=id)
- # set language by hand
- translation.activate(lang)
- return render_to_response('catalogue/book_info.html', locals(),
- context_instance=RequestContext(request))
-
-
-def tag_info(request, id):
- tag = get_object_or_404(models.Tag, id=id)
- return HttpResponse(tag.description)
-
-
-def download_zip(request, format, slug=None):
- url = None
- if format in models.Book.ebook_formats:
- url = models.Book.zip_format(format)
- elif format in ('mp3', 'ogg') and slug is not None:
- book = get_object_or_404(models.Book, slug=slug)
- url = book.zip_audiobooks(format)
- else:
- raise Http404('No format specified for zip package')
- return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))
-
-
-class CustomPDFFormView(AjaxableFormView):
- form_class = forms.CustomPDFForm
- title = ugettext_lazy('Download custom PDF')
- submit = ugettext_lazy('Download')
- honeypot = True
-
- def __call__(self, *args, **kwargs):
- if settings.NO_CUSTOM_PDF:
- raise Http404('Custom PDF is disabled')
- return super(CustomPDFFormView, self).__call__(*args, **kwargs)
-
- def form_args(self, request, obj):
- """Override to parse view args and give additional args to the form."""
- return (obj,), {}
-
- def get_object(self, request, slug, *args, **kwargs):
- return get_object_or_404(models.Book, slug=slug)
-
- def context_description(self, request, obj):
- return obj.pretty_title()
fnp / wolnelektury.git / blobdiff