X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/876c24227952faa17eda5d706cb0b3316d5ffe24..357027375ff8867f42ca34bcbfb5a78b5b185fc3:/apps/catalogue/views.py?ds=sidebyside diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py deleted file mode 100644 index 2237af862..000000000 --- a/apps/catalogue/views.py +++ /dev/null @@ -1,772 +0,0 @@ -# -*- 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 tempfile -import zipfile -import tarfile -import sys -import pprint -import traceback -import re -import itertools -from datetime import datetime - -from django.conf import settings -from django.template import RequestContext -from django.shortcuts import render_to_response, get_object_or_404 -from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect -from django.core.urlresolvers import reverse -from django.db.models import Count, Sum, Q -from django.contrib.auth.decorators import login_required, user_passes_test -from django.utils.datastructures import SortedDict -from django.views.decorators.http import require_POST -from django.contrib import auth -from django.contrib.auth.forms import UserCreationForm, AuthenticationForm -from django.utils import simplejson -from django.utils.functional import Promise -from django.utils.encoding import force_unicode -from django.utils.http import urlquote_plus -from django.views.decorators import cache -from django.utils import translation -from django.utils.translation import ugettext as _ -from django.views.generic.list_detail import object_list - -from catalogue import models -from catalogue import forms -from catalogue.utils import split_tags -from newtagging import views as newtagging_views -from pdcounter import models as pdcounter_models -from pdcounter import views as pdcounter_views -from suggest.forms import PublishingSuggestForm -from slughifi import slughifi - - -staff_required = user_passes_test(lambda user: user.is_staff) - - -class LazyEncoder(simplejson.JSONEncoder): - def default(self, obj): - if isinstance(obj, Promise): - return force_unicode(obj) - return obj - -# shortcut for JSON reponses -class JSONResponse(HttpResponse): - def __init__(self, data={}, callback=None, **kwargs): - # get rid of mimetype - kwargs.pop('mimetype', None) - data = simplejson.dumps(data) - if callback: - data = callback + "(" + data + ");" - super(JSONResponse, self).__init__(data, mimetype="application/json", **kwargs) - - -def main_page(request): - if request.user.is_authenticated(): - shelves = models.Tag.objects.filter(category='set', user=request.user) - new_set_form = forms.NewSetForm() - - tags = models.Tag.objects.exclude(category__in=('set', 'book')) - for tag in tags: - tag.count = tag.get_count() - categories = split_tags(tags) - fragment_tags = categories.get('theme', []) - - form = forms.SearchForm() - return render_to_response('catalogue/main_page.html', locals(), - context_instance=RequestContext(request)) - - -def book_list(request, filter=None, template_name='catalogue/book_list.html'): - """ generates a listing of all books, optionally filtered with a test function """ - - form = forms.SearchForm() - - books_by_parent = {} - books = models.Book.objects.all().order_by('parent_number', 'sort_key').only('title', 'parent', 'slug') - if filter: - books = books.filter(filter).distinct() - book_ids = set((book.pk for book in books)) - for book in books: - parent = book.parent_id - if parent not in book_ids: - parent = None - books_by_parent.setdefault(parent, []).append(book) - else: - for book in books: - books_by_parent.setdefault(book.parent_id, []).append(book) - - orphans = [] - books_by_author = SortedDict() - books_nav = SortedDict() - for tag in models.Tag.objects.filter(category='author'): - books_by_author[tag] = [] - - for book in books_by_parent.get(None,()): - authors = list(book.tags.filter(category='author')) - if authors: - for author in authors: - books_by_author[author].append(book) - else: - orphans.append(book) - - for tag in books_by_author: - if books_by_author[tag]: - books_nav.setdefault(tag.sort_key[0], []).append(tag) - - 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') - - -def daisy_list(request): - return book_list(request, Q(media__type='daisy'), - template_name='catalogue/daisy_list.html') - - -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)) - - -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]) - 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] - 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: - 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() - - return object_list( - request, - objects, - template_name='catalogue/tagged_object_list.html', - extra_context={ - 'categories': categories, - 'only_shelf': only_shelf, - 'only_author': only_author, - 'only_my_shelf': only_my_shelf, - 'formats_form': forms.DownloadFormatsForm(), - 'tags': tags, - } - ) - - -def book_fragments(request, book_slug, theme_slug): - book = get_object_or_404(models.Book, slug=book_slug) - book_tag = get_object_or_404(models.Tag, slug='l-' + book_slug, category='book') - theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme') - fragments = models.Fragment.tagged.with_all([book_tag, theme]) - - form = forms.SearchForm() - return render_to_response('catalogue/book_fragments.html', locals(), - context_instance=RequestContext(request)) - - -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_tag = book.book_tag() - tags = list(book.tags.filter(~Q(category='set'))) - categories = split_tags(tags) - book_children = book.children.all().order_by('parent_number', 'sort_key') - - _book = book - parents = [] - while _book.parent: - parents.append(_book.parent) - _book = _book.parent - parents = reversed(parents) - - theme_counter = book.theme_counter - book_themes = models.Tag.objects.filter(pk__in=theme_counter.keys()) - for tag in book_themes: - tag.count = theme_counter[tag.pk] - - extra_info = book.get_extra_info_value() - - projects = set() - for m in book.media.filter(type='mp3'): - # ogg files are always from the same project - meta = m.get_extra_info_value() - project = meta.get('project') - if not project: - # temporary fallback - project = u'CzytamySłuchając' - - projects.add((project, meta.get('funded_by', ''))) - projects = sorted(projects) - - form = forms.SearchForm() - return render_to_response('catalogue/book_detail.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(): - for theme in fragment.tags.filter(category='theme'): - book_themes.setdefault(theme, []).append(fragment) - - book_themes = book_themes.items() - book_themes.sort(key=lambda s: s[0].sort_key) - 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 Book, Tag, 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) - -# ==================== -# = Shelf management = -# ==================== -@login_required -@cache.never_cache -def user_shelves(request): - shelves = models.Tag.objects.filter(category='set', user=request.user) - new_set_form = forms.NewSetForm() - return render_to_response('catalogue/user_shelves.html', locals(), - context_instance=RequestContext(request)) - -@cache.never_cache -def book_sets(request, slug): - if not request.user.is_authenticated(): - return HttpResponse(_('

To maintain your shelves you need to be logged in.

')) - - book = get_object_or_404(models.Book, slug=slug) - user_sets = models.Tag.objects.filter(category='set', user=request.user) - book_sets = book.tags.filter(category='set', user=request.user) - - if request.method == 'POST': - form = forms.ObjectSetsForm(book, request.user, request.POST) - if form.is_valid(): - old_shelves = list(book.tags.filter(category='set')) - new_shelves = [models.Tag.objects.get(pk=id) for id in form.cleaned_data['set_ids']] - - for shelf in [shelf for shelf in old_shelves if shelf not in new_shelves]: - shelf.book_count = None - shelf.save() - - for shelf in [shelf for shelf in new_shelves if shelf not in old_shelves]: - shelf.book_count = None - shelf.save() - - book.tags = new_shelves + list(book.tags.filter(~Q(category='set') | ~Q(user=request.user))) - if request.is_ajax(): - return JSONResponse('{"msg":"'+_("

Shelves were sucessfully saved.

")+'", "after":"close"}') - else: - return HttpResponseRedirect('/') - else: - form = forms.ObjectSetsForm(book, request.user) - new_set_form = forms.NewSetForm() - - return render_to_response('catalogue/book_sets.html', locals(), - context_instance=RequestContext(request)) - - -@login_required -@require_POST -@cache.never_cache -def remove_from_shelf(request, shelf, book): - book = get_object_or_404(models.Book, slug=book) - shelf = get_object_or_404(models.Tag, slug=shelf, category='set', user=request.user) - - if shelf in book.tags: - models.Tag.objects.remove_tag(book, shelf) - - shelf.book_count = None - shelf.save() - - return HttpResponse(_('Book was successfully removed from the shelf')) - else: - return HttpResponse(_('This book is not on the shelf')) - - -def collect_books(books): - """ - Returns all real books in collection. - """ - result = [] - for book in books: - if len(book.children.all()) == 0: - result.append(book) - else: - result += collect_books(book.children.all()) - return result - - -@cache.never_cache -def download_shelf(request, slug): - """" - Create a ZIP archive on disk and transmit it in chunks of 8KB, - without loading the whole file into memory. A similar approach can - be used for large dynamic PDF files. - """ - shelf = get_object_or_404(models.Tag, slug=slug, category='set') - - formats = [] - form = forms.DownloadFormatsForm(request.GET) - if form.is_valid(): - formats = form.cleaned_data['formats'] - if len(formats) == 0: - formats = ['pdf', 'epub', 'odt', 'txt'] - - # Create a ZIP archive - temp = tempfile.TemporaryFile() - archive = zipfile.ZipFile(temp, 'w') - - already = set() - for book in collect_books(models.Book.tagged.with_all(shelf)): - if 'pdf' in formats and book.pdf_file: - filename = book.pdf_file.path - archive.write(filename, str('%s.pdf' % book.slug)) - if book.root_ancestor not in already and 'epub' in formats and book.root_ancestor.epub_file: - filename = book.root_ancestor.epub_file.path - archive.write(filename, str('%s.epub' % book.root_ancestor.slug)) - already.add(book.root_ancestor) - if 'odt' in formats and book.has_media("odt"): - for file in book.get_media("odt"): - filename = file.file.path - archive.write(filename, str('%s.odt' % slughifi(file.name))) - if 'txt' in formats and book.txt_file: - filename = book.txt_file.path - archive.write(filename, str('%s.txt' % book.slug)) - archive.close() - - response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed') - response['Content-Disposition'] = 'attachment; filename=%s.zip' % slughifi(shelf.name) - response['Content-Length'] = temp.tell() - - temp.seek(0) - response.write(temp.read()) - return response - - -@cache.never_cache -def shelf_book_formats(request, shelf): - """" - Returns a list of formats of books in shelf. - """ - shelf = get_object_or_404(models.Tag, slug=shelf, category='set') - - formats = {'pdf': False, 'epub': False, 'odt': False, 'txt': False} - - for book in collect_books(models.Book.tagged.with_all(shelf)): - if book.pdf_file: - formats['pdf'] = True - if book.root_ancestor.epub_file: - formats['epub'] = True - if book.txt_file: - formats['txt'] = True - for format in ('odt',): - if book.has_media(format): - formats[format] = True - - return HttpResponse(LazyEncoder().encode(formats)) - - -@login_required -@require_POST -@cache.never_cache -def new_set(request): - new_set_form = forms.NewSetForm(request.POST) - if new_set_form.is_valid(): - new_set = new_set_form.save(request.user) - - if request.is_ajax(): - return JSONResponse('{"id":"%d", "name":"%s", "msg":"

Shelf %s was successfully created

"}' % (new_set.id, new_set.name, new_set)) - else: - return HttpResponseRedirect('/') - - return HttpResponseRedirect('/') - - -@login_required -@require_POST -@cache.never_cache -def delete_shelf(request, slug): - user_set = get_object_or_404(models.Tag, slug=slug, category='set', user=request.user) - user_set.delete() - - if request.is_ajax(): - return HttpResponse(_('

Shelf %s was successfully removed

') % user_set.name) - else: - return HttpResponseRedirect('/') - - -# ================== -# = Authentication = -# ================== -@require_POST -@cache.never_cache -def login(request): - form = AuthenticationForm(data=request.POST, prefix='login') - if form.is_valid(): - auth.login(request, form.get_user()) - response_data = {'success': True, 'errors': {}} - else: - response_data = {'success': False, 'errors': form.errors} - return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data)) - - -@require_POST -@cache.never_cache -def register(request): - registration_form = UserCreationForm(request.POST, prefix='registration') - if registration_form.is_valid(): - user = registration_form.save() - user = auth.authenticate( - username=registration_form.cleaned_data['username'], - password=registration_form.cleaned_data['password1'] - ) - auth.login(request, user) - response_data = {'success': True, 'errors': {}} - else: - response_data = {'success': False, 'errors': registration_form.errors} - return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data)) - - -@cache.never_cache -def logout_then_redirect(request): - auth.logout(request) - return HttpResponseRedirect(urlquote_plus(request.GET.get('next', '/'), safe='/?=')) - - - -# ========= -# = 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: - 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) - - - -def clock(request): - """ Provides server time for jquery.countdown, - in a format suitable for Date.parse() - """ - return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S')) - - -# 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)