X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/281a6f613c78ffd1fa81951db829a5551fd2e42d..b2422020bc864b75f31c215b34692468cc03ce92:/apps/catalogue/models/book.py?ds=sidebyside diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py index d3df67e6f..d69cf2aca 100644 --- a/apps/catalogue/models/book.py +++ b/apps/catalogue/models/book.py @@ -3,7 +3,7 @@ # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # import re -from django.conf import settings +from django.conf import settings as settings from django.core.cache import get_cache from django.db import models from django.db.models import permalink @@ -11,8 +11,11 @@ import django.dispatch from django.utils.datastructures import SortedDict from django.utils.translation import ugettext_lazy as _ import jsonfield +from catalogue import constants +from catalogue.fields import EbookField from catalogue.models import Tag, Fragment, BookMedia -from catalogue.utils import create_zip, split_tags, truncate_html_words, book_upload_path +from catalogue.utils import create_zip, split_tags, book_upload_path +from catalogue import app_settings from catalogue import tasks from newtagging import managers @@ -28,7 +31,7 @@ class Book(models.Model): unique=True) common_slug = models.SlugField(_('slug'), max_length=120, db_index=True) language = models.CharField(_('language code'), max_length=3, db_index=True, - default=settings.CATALOGUE_DEFAULT_LANGUAGE) + default=app_settings.DEFAULT_LANGUAGE) description = models.TextField(_('description'), blank=True) created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True) changed_at = models.DateTimeField(_('creation date'), auto_now=True, db_index=True) @@ -38,12 +41,13 @@ class Book(models.Model): wiki_link = models.CharField(blank=True, max_length=240) # files generated during publication - cover = models.FileField(_('cover'), upload_to=book_upload_path('png'), - null=True, blank=True) - ebook_formats = ['pdf', 'epub', 'mobi', 'fb2', 'txt'] + cover = EbookField('cover', _('cover'), + upload_to=book_upload_path('jpg'), null=True, blank=True) + ebook_formats = constants.EBOOK_FORMATS formats = ebook_formats + ['html', 'xml'] - parent = models.ForeignKey('self', blank=True, null=True, related_name='children') + parent = models.ForeignKey('self', blank=True, null=True, + related_name='children') _related_info = jsonfield.JSONField(blank=True, null=True, editable=False) @@ -71,7 +75,7 @@ class Book(models.Model): self.sort_key = sortify(self.title) - ret = super(Book, self).save(force_insert, force_update) + ret = super(Book, self).save(force_insert, force_update, **kwargs) if reset_short_html: self.reset_short_html() @@ -82,6 +86,11 @@ class Book(models.Model): def get_absolute_url(self): return ('catalogue.views.book_detail', [self.slug]) + @staticmethod + @permalink + def create_url(slug): + return ('catalogue.views.book_detail', [slug]) + @property def name(self): return self.title @@ -152,117 +161,33 @@ class Book(models.Model): has_daisy_file.short_description = 'DAISY' has_daisy_file.boolean = True - def wldocument(self, parse_dublincore=True): + def wldocument(self, parse_dublincore=True, inherit=True): from catalogue.import_utils import ORMDocProvider from librarian.parser import WLDocument + if inherit and self.parent: + meta_fallbacks = self.parent.cover_info() + else: + meta_fallbacks = None + return WLDocument.from_file(self.xml_file.path, provider=ORMDocProvider(self), - parse_dublincore=parse_dublincore) - - def build_cover(self, book_info=None): - """(Re)builds the cover image.""" - from StringIO import StringIO - from django.core.files.base import ContentFile - from librarian.cover import WLCover - - if book_info is None: - book_info = self.wldocument().book_info - - cover = WLCover(book_info).image() - imgstr = StringIO() - cover.save(imgstr, 'png') - self.cover.save(None, ContentFile(imgstr.getvalue())) - - def build_html(self): - from django.core.files.base import ContentFile - from slughifi import slughifi - from sortify import sortify - from librarian import html - - meta_tags = list(self.tags.filter( - category__in=('author', 'epoch', 'genre', 'kind'))) - book_tag = self.book_tag() - - html_output = self.wldocument(parse_dublincore=False).as_html() - if html_output: - self.html_file.save('%s.html' % self.slug, - ContentFile(html_output.get_string())) - - # get ancestor l-tags for adding to new fragments - ancestor_tags = [] - p = self.parent - while p: - ancestor_tags.append(p.book_tag()) - p = p.parent - - # Delete old fragments and create them from scratch - self.fragments.all().delete() - # Extract fragments - closed_fragments, open_fragments = html.extract_fragments(self.html_file.path) - for fragment in closed_fragments.values(): - try: - theme_names = [s.strip() for s in fragment.themes.split(',')] - except AttributeError: - continue - themes = [] - for theme_name in theme_names: - if not theme_name: - continue - tag, created = Tag.objects.get_or_create(slug=slughifi(theme_name), category='theme') - if created: - tag.name = theme_name - tag.sort_key = sortify(theme_name.lower()) - tag.save() - themes.append(tag) - if not themes: - continue - - text = fragment.to_string() - short_text = truncate_html_words(text, 15) - if text == short_text: - short_text = '' - new_fragment = Fragment.objects.create(anchor=fragment.id, book=self, - text=text, short_text=short_text) - - new_fragment.save() - new_fragment.tags = set(meta_tags + themes + [book_tag] + ancestor_tags) - self.save() - self.html_built.send(sender=self) - return True - return False - - # Thin wrappers for builder tasks - def build_pdf(self, *args, **kwargs): - """(Re)builds PDF.""" - return tasks.build_pdf.delay(self.pk, *args, **kwargs) - def build_epub(self, *args, **kwargs): - """(Re)builds EPUB.""" - return tasks.build_epub.delay(self.pk, *args, **kwargs) - def build_mobi(self, *args, **kwargs): - """(Re)builds MOBI.""" - return tasks.build_mobi.delay(self.pk, *args, **kwargs) - def build_fb2(self, *args, **kwargs): - """(Re)build FB2""" - return tasks.build_fb2.delay(self.pk, *args, **kwargs) - def build_txt(self, *args, **kwargs): - """(Re)builds TXT.""" - return tasks.build_txt.delay(self.pk, *args, **kwargs) + parse_dublincore=parse_dublincore, + meta_fallbacks=meta_fallbacks) @staticmethod def zip_format(format_): def pretty_file_name(book): return "%s/%s.%s" % ( - b.extra_info['author'], - b.slug, + book.extra_info['author'], + book.slug, format_) field_name = "%s_file" % format_ books = Book.objects.filter(parent=None).exclude(**{field_name: ""}) paths = [(pretty_file_name(b), getattr(b, field_name).path) for b in books.iterator()] - return create_zip(paths, - getattr(settings, "ALL_%s_ZIP" % format_.upper())) + return create_zip(paths, app_settings.FORMAT_ZIPS[format_]) def zip_audiobooks(self, format_): bm = BookMedia.objects.filter(book=self, type=format_) @@ -276,7 +201,7 @@ class Book(models.Model): try: index.index_book(self, book_info) if index_tags: - idx.index_tags() + index.index_tags() if commit: index.index.commit() except Exception, e: @@ -302,8 +227,11 @@ class Book(models.Model): @classmethod def from_text_and_meta(cls, raw_file, book_info, overwrite=False, - build_epub=True, build_txt=True, build_pdf=True, build_mobi=True, build_fb2=True, - search_index=True, search_index_tags=True): + dont_build=None, search_index=True, + search_index_tags=True): + if dont_build is None: + dont_build = set() + dont_build = set.union(set(dont_build), set(app_settings.DONT_BUILD)) # check for parts before we do anything children = [] @@ -315,7 +243,6 @@ class Book(models.Model): raise Book.DoesNotExist(_('Book "%s" does not exist.') % part_url.slug) - # Read book metadata book_slug = book_info.url.slug if re.search(r'[^a-z0-9-]', book_slug): @@ -324,12 +251,17 @@ class Book(models.Model): if created: book_shelves = [] + old_cover = None else: if not overwrite: raise Book.AlreadyExists(_('Book %s already exists') % ( book_slug)) # Save shelves for this book book_shelves = list(book.tags.filter(category='set')) + old_cover = book.cover_info() + + # Save XML file + book.xml_file.save('%s.xml' % book.slug, raw_file, save=False) book.language = book_info.language book.title = book_info.title @@ -344,46 +276,50 @@ class Book(models.Model): book.tags = set(meta_tags + book_shelves) - obsolete_children = set(b for b in book.children.all() if b not in children) + cover_changed = old_cover != book.cover_info() + obsolete_children = set(b for b in book.children.all() + if b not in children) + notify_cover_changed = [] for n, child_book in enumerate(children): + new_child = child_book.parent != book child_book.parent = book child_book.parent_number = n child_book.save() + if new_child or cover_changed: + notify_cover_changed.append(child_book) # Disown unfaithful children and let them cope on their own. for child in obsolete_children: child.parent = None child.parent_number = 0 child.save() tasks.fix_tree_tags.delay(child) - - # Save XML and HTML files - book.xml_file.save('%s.xml' % book.slug, raw_file, save=False) - book.build_cover(book_info) + if old_cover: + notify_cover_changed.append(child) # delete old fragments when overwriting book.fragments.all().delete() - - if book.build_html(): - # No direct saves behind this point. - if not settings.NO_BUILD_TXT and build_txt: - book.build_txt() - - if not settings.NO_BUILD_EPUB and build_epub: - book.build_epub() - - if not settings.NO_BUILD_PDF and build_pdf: - book.build_pdf() - - if not settings.NO_BUILD_MOBI and build_mobi: - book.build_mobi() - - if not settings.NO_BUILD_FB2 and build_fb2: - book.build_fb2() + # Build HTML, fix the tree tags, build cover. + has_own_text = bool(book.html_file.build()) + tasks.fix_tree_tags.delay(book) + if 'cover' not in dont_build: + book.cover.build_delay() + + # No saves behind this point. + + if has_own_text: + for format_ in constants.EBOOK_FORMATS_WITHOUT_CHILDREN: + if format_ not in dont_build: + getattr(book, '%s_file' % format_).build_delay() + for format_ in constants.EBOOK_FORMATS_WITH_CHILDREN: + if format_ not in dont_build: + getattr(book, '%s_file' % format_).build_delay() if not settings.NO_SEARCH_INDEX and search_index: tasks.index_book.delay(book.id, book_info=book_info, index_tags=search_index_tags) - tasks.fix_tree_tags.delay(book) + for child in notify_cover_changed: + child.parent_cover_changed() + cls.published.send(sender=book) return book @@ -403,7 +339,8 @@ class Book(models.Model): sub_parent_tags = parent_tags + [book.book_tag()] for frag in book.fragments.all(): affected_tags.update(frag.tags) - frag.tags = list(frag.tags.exclude(category='book')) + sub_parent_tags + frag.tags = list(frag.tags.exclude(category='book') + ) + sub_parent_tags for child in book.children.all(): affected_tags.update(fix_subtree(child, sub_parent_tags)) return affected_tags @@ -424,6 +361,36 @@ class Book(models.Model): book.reset_theme_counter() book = book.parent + def cover_info(self, inherit=True): + """Returns a dictionary to serve as fallback for BookInfo. + + For now, the only thing inherited is the cover image. + """ + need = False + info = {} + for field in ('cover_url', 'cover_by', 'cover_source'): + val = self.extra_info.get(field) + if val: + info[field] = val + else: + need = True + if inherit and need and self.parent is not None: + parent_info = self.parent.cover_info() + parent_info.update(info) + info = parent_info + return info + + def parent_cover_changed(self): + """Called when parent book's cover image is changed.""" + if not self.cover_info(inherit=False): + if 'cover' not in app_settings.DONT_BUILD: + self.cover.build_delay() + for format_ in constants.EBOOK_FORMATS_WITH_COVERS: + if format_ not in app_settings.DONT_BUILD: + getattr(self, '%s_file' % format_).build_delay() + for child in self.children.all(): + child.parent_cover_changed() + def related_info(self): """Keeps info about related objects (tags, media) in cache field.""" if self._related_info is not None: @@ -519,19 +486,19 @@ class Book(models.Model): def pretty_title(self, html_links=False): book = self - names = list(book.tags.filter(category='author')) - - books = [] - while book: - books.append(book) - book = book.parent - names.extend(reversed(books)) + rel_info = book.related_info() + names = [(name, Tag.create_url('author', slug)) + for name, slug in rel_info['tags']['author']] + if 'parents' in rel_info: + books = [(name, Book.create_url(slug)) + for name, slug in rel_info['parents']] + names.extend(reversed(books)) + names.append((self.title, self.get_absolute_url())) if html_links: - names = ['%s' % (tag.get_absolute_url(), tag.name) for tag in names] + names = ['%s' % (tag[1], tag[0]) for tag in names] else: - names = [tag.name for tag in names] - + names = [tag[0] for tag in names] return ', '.join(names) @classmethod @@ -544,10 +511,11 @@ class Book(models.Model): """ # get relevant books and their tags objects = cls.tagged.with_all(tags) + parents = objects.filter(html_file='').only('slug') # eliminate descendants l_tags = Tag.objects.filter(category='book', - slug__in=[book.book_tag_slug() for book in objects.iterator()]) - descendants_keys = [book.pk for book in cls.tagged.with_any(l_tags).iterator()] + slug__in=[book.book_tag_slug() for book in parents.iterator()]) + descendants_keys = [book.pk for book in cls.tagged.with_any(l_tags).only('pk').iterator()] if descendants_keys: objects = objects.exclude(pk__in=descendants_keys) @@ -593,6 +561,7 @@ class Book(models.Model): return books_by_author, orphans, books_by_parent _audiences_pl = { + "SP": (1, u"szkoła podstawowa"), "SP1": (1, u"szkoła podstawowa"), "SP2": (1, u"szkoła podstawowa"), "P": (1, u"szkoła podstawowa"), @@ -602,7 +571,7 @@ class Book(models.Model): } def audiences_pl(self): audiences = self.extra_info.get('audiences', []) - audiences = sorted(set([self._audiences_pl[a] for a in audiences])) + audiences = sorted(set([self._audiences_pl.get(a, (99, a)) for a in audiences])) return [a[1] for a in audiences] def choose_fragment(self): @@ -616,20 +585,9 @@ class Book(models.Model): return None -def _has_factory(ftype): - has = lambda self: bool(getattr(self, "%s_file" % ftype)) - has.short_description = ftype.upper() - has.__doc__ = None - has.boolean = True - has.__name__ = "has_%s_file" % ftype - return has - - # add the file fields -for t in Book.formats: - field_name = "%s_file" % t - models.FileField(_("%s file" % t.upper()), - upload_to=book_upload_path(t), - blank=True).contribute_to_class(Book, field_name) - - setattr(Book, "has_%s_file" % t, _has_factory(t)) +for format_ in Book.formats: + field_name = "%s_file" % format_ + EbookField(format_, _("%s file" % format_.upper()), + upload_to=book_upload_path(format_), + blank=True, default='').contribute_to_class(Book, field_name)