X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/0854610e6f1a717ce100c96f7ebf36cbb3478a5c..7ef4abfc9ef8f8835f83cec90040a8d91a659d00:/apps/catalogue/models.py?ds=sidebyside diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py index a94411191..ba1a5d203 100644 --- a/apps/catalogue/models.py +++ b/apps/catalogue/models.py @@ -5,10 +5,9 @@ from collections import namedtuple from django.db import models -from django.db.models import permalink, Q +from django.db.models import permalink import django.dispatch from django.core.cache import get_cache -from django.core.files.storage import DefaultStorage from django.utils.translation import ugettext_lazy as _ from django.contrib.auth.models import User from django.template.loader import render_to_string @@ -16,7 +15,7 @@ from django.utils.datastructures import SortedDict from django.utils.safestring import mark_safe from django.utils.translation import get_language from django.core.urlresolvers import reverse -from django.db.models.signals import post_save, m2m_changed, pre_delete +from django.db.models.signals import post_save, pre_delete, post_delete import jsonfield from django.conf import settings @@ -24,12 +23,9 @@ from django.conf import settings from newtagging.models import TagBase, tags_updated from newtagging import managers from catalogue.fields import JSONField, OverwritingFileField -from catalogue.utils import create_zip, split_tags -from catalogue.tasks import touch_tag, index_book -from shutil import copy -from glob import glob +from catalogue.utils import create_zip, split_tags, truncate_html_words +from catalogue import tasks import re -from os import path import search @@ -216,29 +212,6 @@ def book_upload_path(ext=None, maxlen=100): return lambda *args: get_dynamic_path(*args, ext=ext, maxlen=maxlen) -def get_customized_pdf_path(book, customizations): - """ - Returns a MEDIA_ROOT relative path for a customized pdf. The name will contain a hash of customization options. - """ - customizations.sort() - h = hash(tuple(customizations)) - - pdf_name = '%s-custom-%s' % (book.slug, h) - pdf_file = get_dynamic_path(None, pdf_name, ext='pdf') - - return pdf_file - - -def get_existing_customized_pdf(book): - """ - Returns a list of paths to generated customized pdf of a book - """ - pdf_glob = '%s-custom-' % (book.slug,) - pdf_glob = get_dynamic_path(None, pdf_glob, ext='pdf') - pdf_glob = re.sub(r"[.]([a-z0-9]+)$", "*.\\1", pdf_glob) - return glob(path.join(settings.MEDIA_ROOT, pdf_glob)) - - class BookMedia(models.Model): FileFormat = namedtuple("FileFormat", "name ext") formats = SortedDict([ @@ -271,7 +244,7 @@ class BookMedia(models.Model): try: old = BookMedia.objects.get(pk=self.pk) - except BookMedia.DoesNotExist, e: + except BookMedia.DoesNotExist: old = None else: # if name changed, change the file name, too @@ -425,18 +398,18 @@ class Book(models.Model): book_tag.save() return book_tag - def has_media(self, type): - if type in Book.formats: - return bool(getattr(self, "%s_file" % type)) + def has_media(self, type_): + if type_ in Book.formats: + return bool(getattr(self, "%s_file" % type_)) else: - return self.media.filter(type=type).exists() + return self.media.filter(type=type_).exists() - def get_media(self, type): - if self.has_media(type): - if type in Book.formats: - return getattr(self, "%s_file" % type) + def get_media(self, type_): + if self.has_media(type_): + if type_ in Book.formats: + return getattr(self, "%s_file" % type_) else: - return self.media.filter(type=type) + return self.media.filter(type=type_) else: return None @@ -501,71 +474,7 @@ class Book(models.Model): cover.save(imgstr, 'png') self.cover.save(None, ContentFile(imgstr.getvalue())) - def build_pdf(self, customizations=None, file_name=None): - """ (Re)builds the pdf file. - customizations - customizations which are passed to LaTeX class file. - file_name - save the pdf file under a different name and DO NOT save it in db. - """ - from os import unlink - from django.core.files import File - from catalogue.utils import remove_zip - - pdf = self.wldocument().as_pdf(customizations=customizations) - - if file_name is None: - # we'd like to be sure not to overwrite changes happening while - # (timely) pdf generation is taking place (async celery scenario) - current_self = Book.objects.get(id=self.id) - current_self.pdf_file.save('%s.pdf' % self.slug, - File(open(pdf.get_filename()))) - self.pdf_file = current_self.pdf_file - - # remove cached downloadables - remove_zip(settings.ALL_PDF_ZIP) - - for customized_pdf in get_existing_customized_pdf(self): - unlink(customized_pdf) - else: - print "saving %s" % file_name - print "to: %s" % DefaultStorage().path(file_name) - DefaultStorage().save(file_name, File(open(pdf.get_filename()))) - - def build_mobi(self): - """ (Re)builds the MOBI file. - - """ - from django.core.files import File - from catalogue.utils import remove_zip - - mobi = self.wldocument().as_mobi() - - self.mobi_file.save('%s.mobi' % self.slug, File(open(mobi.get_filename()))) - - # remove zip with all mobi files - remove_zip(settings.ALL_MOBI_ZIP) - - def build_epub(self): - """(Re)builds the epub file.""" - from django.core.files import File - from catalogue.utils import remove_zip - - epub = self.wldocument().as_epub() - - self.epub_file.save('%s.epub' % self.slug, - File(open(epub.get_filename()))) - - # remove zip package with all epub files - remove_zip(settings.ALL_EPUB_ZIP) - - def build_txt(self): - from django.core.files.base import ContentFile - - text = self.wldocument().as_text() - self.txt_file.save('%s.txt' % self.slug, ContentFile(text.get_string())) - - def build_html(self): - from markupstring import MarkupString from django.core.files.base import ContentFile from slughifi import slughifi from librarian import html @@ -609,10 +518,9 @@ class Book(models.Model): continue text = fragment.to_string() - short_text = '' - markup = MarkupString(text) - if (len(markup) > 240): - short_text = unicode(markup[:160]) + 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) @@ -623,6 +531,16 @@ class Book(models.Model): return True return False + # Thin wrappers for builder tasks + def build_pdf(self, *args, **kwargs): + return tasks.build_pdf.delay(self.pk, *args, **kwargs) + def build_epub(self, *args, **kwargs): + return tasks.build_epub.delay(self.pk, *args, **kwargs) + def build_mobi(self, *args, **kwargs): + return tasks.build_mobi.delay(self.pk, *args, **kwargs) + def build_txt(self, *args, **kwargs): + return tasks.build_txt.delay(self.pk, *args, **kwargs) + @staticmethod def zip_format(format_): def pretty_file_name(book): @@ -635,17 +553,15 @@ class Book(models.Model): books = Book.objects.filter(parent=None).exclude(**{field_name: ""}) paths = [(pretty_file_name(b), getattr(b, field_name).path) for b in books] - result = create_zip.delay(paths, + return create_zip(paths, getattr(settings, "ALL_%s_ZIP" % format_.upper())) - return result.wait() def zip_audiobooks(self, format_): bm = BookMedia.objects.filter(book=self, type=format_) paths = map(lambda bm: (None, bm.file.path), bm) - result = create_zip.delay(paths, "%s_%s" % (self.slug, format_)) - return result.wait() + return create_zip(paths, "%s_%s" % (self.slug, format_)) - def search_index(self, book_info=None, reuse_index=False): + def search_index(self, book_info=None, reuse_index=False, index_tags=True): if reuse_index: idx = search.ReusableIndex() else: @@ -654,7 +570,8 @@ class Book(models.Model): idx.open() try: idx.index_book(self, book_info) - idx.index_tags() + if index_tags: + idx.index_tags() finally: idx.close() @@ -677,9 +594,7 @@ 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, - search_index=True): - import re - from sortify import sortify + search_index=True, search_index_tags=True, search_index_reuse=False): # check for parts before we do anything children = [] @@ -687,7 +602,7 @@ class Book(models.Model): for part_url in book_info.parts: try: children.append(Book.objects.get(slug=part_url.slug)) - except Book.DoesNotExist, e: + except Book.DoesNotExist: raise Book.DoesNotExist(_('Book "%s" does not exist.') % part_url.slug) @@ -749,7 +664,7 @@ class Book(models.Model): book.build_mobi() if not settings.NO_SEARCH_INDEX and search_index: - book.search_index() + book.search_index(index_tags=search_index_tags, reuse_index=search_index_reuse) #index_book.delay(book.id, book_info) book_descendants = list(book.children.all()) @@ -765,7 +680,7 @@ class Book(models.Model): book_descendants += list(child_book.children.all()) for tag in descendants_tags: - touch_tag.delay(tag) + tasks.touch_tag(tag) book.save() @@ -806,6 +721,13 @@ class Book(models.Model): type(self).objects.filter(pk=self.pk).update(_related_info=rel) return rel + def related_themes(self): + theme_counter = self.theme_counter + book_themes = Tag.objects.filter(pk__in=theme_counter.keys()) + for tag in book_themes: + tag.count = theme_counter[tag.pk] + return book_themes + def reset_tag_counter(self): if self.id is None: return @@ -1003,6 +925,10 @@ class Fragment(models.Model): for lang, langname in settings.LANGUAGES: permanent_cache.delete(cache_key % (self.id, lang)) + def get_short_text(self): + """Returns short version of the fragment.""" + return self.short_text if self.short_text else self.text + def short_html(self): if self.id: cache_key = "Fragment.short_html/%d/%s" % (self.id, get_language()) @@ -1049,7 +975,7 @@ def _tags_updated_handler(sender, affected_tags, **kwargs): # reset tag global counter # we want Tag.changed_at updated for API to know the tag was touched for tag in affected_tags: - touch_tag.delay(tag) + tasks.touch_tag(tag) # if book tags changed, reset book tag counter if isinstance(sender, Book) and \ @@ -1070,8 +996,22 @@ def _pre_delete_handler(sender, instance, **kwargs): instance.book.save() pre_delete.connect(_pre_delete_handler) + def _post_save_handler(sender, instance, **kwargs): """ refresh all the short_html stuff on BookMedia update """ if sender == BookMedia: instance.book.save() 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()