X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/35ccafef8a83575ac0bf5901b58630033aa95d1e..6e75a30246598a40cabb8ca1498c3a4f6f146c91:/apps/catalogue/models.py diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py index e4d359500..565b759ce 100644 --- a/apps/catalogue/models.py +++ b/apps/catalogue/models.py @@ -22,7 +22,7 @@ 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 ExistingFile, BookImportDocProvider, create_zip_task, remove_zip +from catalogue.utils import ExistingFile, ORMDocProvider, create_zip_task, remove_zip from librarian import dcparser, html, epub, NoDublinCore import mutagen @@ -296,11 +296,8 @@ class Book(models.Model): gazeta_link = models.CharField(blank=True, max_length=240) wiki_link = models.CharField(blank=True, max_length=240) # files generated during publication - xml_file = models.FileField(_('XML file'), upload_to=book_upload_path('xml'), blank=True) - html_file = models.FileField(_('HTML file'), upload_to=book_upload_path('html'), blank=True) - pdf_file = models.FileField(_('PDF file'), upload_to=book_upload_path('pdf'), blank=True) - epub_file = models.FileField(_('EPUB file'), upload_to=book_upload_path('epub'), blank=True) - txt_file = models.FileField(_('TXT file'), upload_to=book_upload_path('txt'), blank=True) + + file_types = ['epub', 'html', 'mobi', 'pdf', 'txt', 'xml'] parent = models.ForeignKey('self', blank=True, null=True, related_name='children') objects = models.Manager() @@ -351,49 +348,15 @@ class Book(models.Model): return book_tag def has_media(self, type): - if type == 'xml': - if self.xml_file: - return True - else: - return False - elif type == 'html': - if self.html_file: - return True - else: - return False - elif type == 'txt': - if self.txt_file: - return True - else: - return False - elif type == 'pdf': - if self.pdf_file: - return True - else: - return False - elif type == 'epub': - if self.epub_file: - return True - else: - return False + if type in Book.file_types: + return bool(getattr(self, "%s_file" % type)) else: - if self.media.filter(type=type).exists(): - return True - else: - return False + return self.media.filter(type=type).exists() def get_media(self, type): if self.has_media(type): - if type == "xml": - return self.xml_file - elif type == "html": - return self.html_file - elif type == "epub": - return self.epub_file - elif type == "txt": - return self.txt_file - elif type == "pdf": - return self.pdf_file + if type in Book.file_types: + return getattr(self, "%s_file" % type) else: return self.media.filter(type=type) else: @@ -433,11 +396,13 @@ class Book(models.Model): tags = [mark_safe(u'%s' % (tag.get_absolute_url(), tag.name)) for tag in tags] formats = [] - # files generated during publication + # files generated during publication if self.has_media("html"): formats.append(u'%s' % (reverse('book_text', kwargs={'slug': self.slug}), _('Read online'))) if self.has_media("pdf"): formats.append(u'PDF' % self.get_media('pdf').url) + if self.has_media("mobi"): + formats.append(u'MOBI' % self.get_media('mobi').url) if self.root_ancestor.has_media("epub"): formats.append(u'EPUB' % self.root_ancestor.get_media('epub').url) if self.has_media("txt"): @@ -473,26 +438,6 @@ class Book(models.Model): has_description.boolean = True # ugly ugly ugly - def has_pdf_file(self): - return bool(self.pdf_file) - has_pdf_file.short_description = 'PDF' - has_pdf_file.boolean = True - - def has_epub_file(self): - return bool(self.epub_file) - has_epub_file.short_description = 'EPUB' - has_epub_file.boolean = True - - def has_txt_file(self): - return bool(self.txt_file) - has_txt_file.short_description = 'HTML' - has_txt_file.boolean = True - - def has_html_file(self): - return bool(self.html_file) - has_html_file.short_description = 'HTML' - has_html_file.boolean = True - def has_odt_file(self): return bool(self.has_media("odt")) has_odt_file.short_description = 'ODT' @@ -524,10 +469,9 @@ class Book(models.Model): # remove zip with all pdf files remove_zip(settings.ALL_PDF_ZIP) - path, fname = os.path.realpath(self.xml_file.path).rsplit('/', 1) try: pdf_file = NamedTemporaryFile(delete=False) - pdf.transform(BookImportDocProvider(self), + pdf.transform(ORMDocProvider(self), file_path=str(self.xml_file.path), output_file=pdf_file, ) @@ -536,6 +480,28 @@ class Book(models.Model): finally: unlink(pdf_file.name) + def build_mobi(self): + """ (Re)builds the MOBI file. + + """ + from librarian import mobi + from tempfile import NamedTemporaryFile + import os + + # remove zip with all pdf files + remove_zip(settings.ALL_MOBI_ZIP) + + try: + mobi_file = NamedTemporaryFile(suffix='.mobi', delete=False) + mobi.transform(ORMDocProvider(self), verbose=1, + file_path=str(self.xml_file.path), + output_file=mobi_file.name, + ) + + self.mobi_file.save('%s.mobi' % self.slug, File(open(mobi_file.name))) + finally: + unlink(mobi_file.name) + def build_epub(self, remove_descendants=True): """ (Re)builds the epub file. If book has a parent, does nothing. @@ -554,7 +520,7 @@ class Book(models.Model): epub_file = StringIO() try: - epub.transform(BookImportDocProvider(self), self.slug, output_file=epub_file) + epub.transform(ORMDocProvider(self), self.slug, output_file=epub_file) self.epub_file.save('%s.epub' % self.slug, ContentFile(epub_file.getvalue())) FileRecord(slug=self.slug, type='epub', sha1=sha1(epub_file.getvalue()).hexdigest()).save() except NoDublinCore: @@ -660,6 +626,15 @@ class Book(models.Model): result = create_zip_task(paths, settings.ALL_PDF_ZIP) return result + @staticmethod + def zip_mobi(): + books = Book.objects.all() + + paths = filter(lambda x: x is not None, + map(lambda b: b.mobi_file and b.mobi_file.path or None, books)) + result = create_zip_task.delay(paths, settings.ALL_MOBI_ZIP) + return settings.MEDIA_URL + result.wait() + def zip_audiobooks(self): bm = BookMedia.objects.filter(book=self) paths = map(lambda bm: bm.file.path, bm) @@ -670,7 +645,6 @@ class Book(models.Model): result = create_zip_task(paths, self.slug) return result - @classmethod def from_xml_file(cls, xml_file, **kwargs): # use librarian to parse meta-data @@ -685,7 +659,8 @@ class Book(models.Model): xml_file.close() @classmethod - def from_text_and_meta(cls, raw_file, book_info, overwrite=False, build_epub=True, build_txt=True, build_pdf=True): + def from_text_and_meta(cls, raw_file, book_info, overwrite=False, + build_epub=True, build_txt=True, build_pdf=True, build_mobi=True): import re # check for parts before we do anything @@ -761,6 +736,9 @@ class Book(models.Model): if not settings.NO_BUILD_PDF and build_pdf: book.root_ancestor.build_pdf() + if not settings.NO_BUILD_MOBI and build_mobi: + book.build_mobi() + book_descendants = list(book.children.all()) # add l-tag to descendants and their fragments # delete unnecessary EPUB files @@ -872,6 +850,24 @@ class Book(models.Model): return objects +def _has_factory(ftype): + has = lambda self: bool(getattr(self, "%s_file" % ftype)) + has.short_description = t.upper() + has.boolean = True + has.__name__ = "has_%s_file" % ftype + return has + + +# add the file fields +for t in Book.file_types: + 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)) + + class Fragment(models.Model): text = models.TextField() short_text = models.TextField(editable=False)