from newtagging.models import TagBase, tags_updated
from newtagging import managers
-from catalogue.fields import JSONField, OverwritingFileField
+from catalogue.fields import OverwritingFileField
from catalogue.utils import create_zip, split_tags, truncate_html_words
from catalogue import tasks
import re
-import search
# Those are hard-coded here so that makemessages sees them.
TAG_CATEGORIES = (
class Tag(TagBase):
+ """A tag attachable to books and fragments (and possibly anything).
+
+ Used to represent searchable metadata (authors, epochs, genres, kinds),
+ fragment themes (motifs) and some book hierarchy related kludges."""
name = models.CharField(_('name'), max_length=50, db_index=True)
slug = models.SlugField(_('slug'), max_length=120, db_index=True)
sort_key = models.CharField(_('sort key'), max_length=120, db_index=True)
objects = Book.tagged.with_all((self,)).order_by()
if self.category != 'set':
# eliminate descendants
- l_tags = Tag.objects.filter(slug__in=[book.book_tag_slug() for book in objects])
- descendants_keys = [book.pk for book in Book.tagged.with_any(l_tags)]
+ l_tags = Tag.objects.filter(slug__in=[book.book_tag_slug() for book in objects.iterator()])
+ descendants_keys = [book.pk for book in Book.tagged.with_any(l_tags).iterator()]
if descendants_keys:
objects = objects.exclude(pk__in=descendants_keys)
return objects.count()
class BookMedia(models.Model):
+ """Represents media attached to a book."""
FileFormat = namedtuple("FileFormat", "name ext")
formats = SortedDict([
('mp3', FileFormat(name='MP3', ext='mp3')),
name = models.CharField(_('name'), max_length="100")
file = OverwritingFileField(_('file'), upload_to=book_upload_path())
uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False)
- extra_info = JSONField(_('extra information'), default='{}', editable=False)
+ extra_info = jsonfield.JSONField(_('extra information'), default='{}', editable=False)
book = models.ForeignKey('Book', related_name='media')
source_sha1 = models.CharField(null=True, blank=True, max_length=40, editable=False)
remove_zip("%s_%s" % (old.book.slug, old.type))
remove_zip("%s_%s" % (self.book.slug, self.type))
- extra_info = self.get_extra_info_value()
+ extra_info = self.extra_info
extra_info.update(self.read_meta())
- self.set_extra_info_value(extra_info)
+ self.extra_info = extra_info
self.source_sha1 = self.read_source_sha1(self.file.path, self.type)
return super(BookMedia, self).save(*args, **kwargs)
class Book(models.Model):
+ """Represents a book imported from WL-XML."""
title = models.CharField(_('title'), max_length=120)
sort_key = models.CharField(_('sort key'), max_length=120, db_index=True, editable=False)
slug = models.SlugField(_('slug'), max_length=120, db_index=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)
parent_number = models.IntegerField(_('parent number'), default=0)
- extra_info = JSONField(_('extra information'), default='{}')
+ extra_info = jsonfield.JSONField(_('extra information'), default='{}')
gazeta_link = models.CharField(blank=True, max_length=240)
wiki_link = models.CharField(blank=True, max_length=240)
# files generated during publication
type(self).objects.filter(pk=self.pk).update(_related_info=None)
# Fragment.short_html relies on book's tags, so reset it here too
- for fragm in self.fragments.all():
+ for fragm in self.fragments.all().iterator():
fragm.reset_short_html()
def has_description(self):
# 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_txt(self, *args, **kwargs):
+ """(Re)builds TXT."""
return tasks.build_txt.delay(self.pk, *args, **kwargs)
@staticmethod
def zip_format(format_):
def pretty_file_name(book):
return "%s/%s.%s" % (
- b.get_extra_info_value()['author'],
+ b.extra_info['author'],
b.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]
+ for b in books.iterator()]
return create_zip(paths,
getattr(settings, "ALL_%s_ZIP" % format_.upper()))
return create_zip(paths, "%s_%s" % (self.slug, format_))
def search_index(self, book_info=None, reuse_index=False, index_tags=True):
+ import search
if reuse_index:
idx = search.ReusableIndex()
else:
book.common_slug = book_info.variant_of.slug
else:
book.common_slug = book.slug
- book.set_extra_info_value(book_info.to_dict())
+ book.extra_info = book_info.to_dict()
book.save()
meta_tags = Tag.tags_from_info(book_info)
descendants_tags.update(child_book.tags)
child_book.tags = list(child_book.tags) + [book_tag]
child_book.save()
- for fragment in child_book.fragments.all():
+ for fragment in child_book.fragments.all().iterator():
fragment.tags = set(list(fragment.tags) + [book_tag])
book_descendants += list(child_book.children.all())
def related_themes(self):
theme_counter = self.theme_counter
- book_themes = Tag.objects.filter(pk__in=theme_counter.keys())
+ book_themes = list(Tag.objects.filter(pk__in=theme_counter.keys()))
for tag in book_themes:
tag.count = theme_counter[tag.pk]
return book_themes
if tags is None:
tags = {}
- for child in self.children.all().order_by():
+ for child in self.children.all().order_by().iterator():
for tag_pk, value in child.tag_counter.iteritems():
tags[tag_pk] = tags.get(tag_pk, 0) + value
- for tag in self.tags.exclude(category__in=('book', 'theme', 'set')).order_by():
+ for tag in self.tags.exclude(category__in=('book', 'theme', 'set')).order_by().iterator():
tags[tag.pk] = 1
if self.id:
if tags is None:
tags = {}
- for fragment in Fragment.tagged.with_any([self.book_tag()]).order_by():
- for tag in fragment.tags.filter(category='theme').order_by():
+ for fragment in Fragment.tagged.with_any([self.book_tag()]).order_by().iterator():
+ for tag in fragment.tags.filter(category='theme').order_by().iterator():
tags[tag.pk] = tags.get(tag.pk, 0) + 1
if self.id:
@classmethod
def tagged_top_level(cls, tags):
- """ Returns top-level books tagged with `tags'.
+ """ Returns top-level books tagged with `tags`.
It only returns those books which don't have ancestors which are
also tagged with those tags.
# get relevant books and their tags
objects = cls.tagged.with_all(tags)
# eliminate descendants
- l_tags = Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in objects])
- descendants_keys = [book.pk for book in cls.tagged.with_any(l_tags)]
+ 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()]
if descendants_keys:
objects = objects.exclude(pk__in=descendants_keys)
'title', 'parent', 'slug')
if filter:
books = books.filter(filter).distinct()
- book_ids = set((book.pk for book in books))
- for book in books:
+
+ book_ids = set(b['pk'] for b in books.values("pk").iterator())
+ for book in books.iterator():
parent = book.parent_id
if parent not in book_ids:
parent = None
books_by_parent.setdefault(parent, []).append(book)
else:
- for book in books:
+ for book in books.iterator():
books_by_parent.setdefault(book.parent_id, []).append(book)
orphans = []
books_by_author = SortedDict()
- for tag in Tag.objects.filter(category='author'):
+ for tag in Tag.objects.filter(category='author').iterator():
books_by_author[tag] = []
for book in books_by_parent.get(None,()):
"LP": (3, u"liceum"),
}
def audiences_pl(self):
- audiences = self.get_extra_info_value().get('audiences', [])
+ audiences = self.extra_info.get('audiences', [])
audiences = sorted(set([self._audiences_pl[a] for a in audiences]))
return [a[1] for a in audiences]
def _has_factory(ftype):
has = lambda self: bool(getattr(self, "%s_file" % ftype))
- has.short_description = t.upper()
+ has.short_description = ftype.upper()
+ has.__doc__ = None
has.boolean = True
has.__name__ = "has_%s_file" % ftype
return has
class Fragment(models.Model):
+ """Represents a themed fragment of a book."""
text = models.TextField()
short_text = models.TextField(editable=False)
anchor = models.CharField(max_length=120)
post_save.connect(_post_save_handler)
-@django.dispatch.receiver(post_delete, sender=Book)
-def _remove_book_from_index_handler(sender, instance, **kwargs):
- """ remove the book from search index, when it is deleted."""
- search.JVM.attachCurrentThread()
- idx = search.Index()
- idx.open(timeout=10000) # 10 seconds timeout.
- try:
- idx.remove_book(instance)
- idx.index_tags()
- finally:
- idx.close()
+if not settings.NO_SEARCH_INDEX:
+ @django.dispatch.receiver(post_delete, sender=Book)
+ def _remove_book_from_index_handler(sender, instance, **kwargs):
+ """ remove the book from search index, when it is deleted."""
+ import search
+ search.JVM.attachCurrentThread()
+ idx = search.Index()
+ idx.open(timeout=10000) # 10 seconds timeout.
+ try:
+ idx.remove_book(instance)
+ idx.index_tags()
+ finally:
+ idx.close()
fnp / wolnelektury.git / blobdiff