-def _build_ebook(book_id, ext, transform):
- """Generic ebook builder."""
- from django.core.files import File
- from catalogue.models import Book
-
- book = Book.objects.get(pk=book_id)
- out = transform(book.wldocument())
- field_name = '%s_file' % ext
- # Update instead of saving the model to avoid race condition.
- getattr(book, field_name).save('%s.%s' % (book.slug, ext),
- File(open(out.get_filename())),
- save=False
- )
- Book.objects.filter(pk=book_id).update(**{
- field_name: getattr(book, field_name)
- })
-
-
-@task(ignore_result=True)
-def build_txt(book_id):
- """(Re)builds the TXT file for a book."""
- _build_ebook(book_id, 'txt', lambda doc: doc.as_text())
-
-
-@task(ignore_result=True, rate_limit=settings.CATALOGUE_PDF_RATE_LIMIT)
-def build_pdf(book_id):
- """(Re)builds the pdf file for a book."""
- from catalogue.models import Book
- from catalogue.utils import remove_zip
- from waiter.utils import clear_cache
-
- _build_ebook(book_id, 'pdf',
- lambda doc: doc.as_pdf(morefloats=settings.LIBRARIAN_PDF_MOREFLOATS))
- # Remove cached downloadables
- remove_zip(settings.ALL_PDF_ZIP)
- book = Book.objects.get(pk=book_id)
- clear_cache(book.slug)
-
-
-@task(ignore_result=True, rate_limit=settings.CATALOGUE_EPUB_RATE_LIMIT)
-def build_epub(book_id):
- """(Re)builds the EPUB file for a book."""
- from catalogue.utils import remove_zip
-
- _build_ebook(book_id, 'epub', lambda doc: doc.as_epub())
- # remove zip with all epub files
- remove_zip(settings.ALL_EPUB_ZIP)
-
-
-@task(ignore_result=True, rate_limit=settings.CATALOGUE_MOBI_RATE_LIMIT)
-def build_mobi(book_id):
- """(Re)builds the MOBI file for a book."""
- from catalogue.utils import remove_zip
-
- _build_ebook(book_id, 'mobi', lambda doc: doc.as_mobi())
- # remove zip with all mobi files
- remove_zip(settings.ALL_MOBI_ZIP)
-
-
-@task(ignore_result=True, rate_limit=settings.CATALOGUE_FB2_RATE_LIMIT)
-def build_fb2(book_id, *args, **kwargs):
- """(Re)builds the FB2 file for a book."""
- from catalogue.utils import remove_zip
-
- _build_ebook(book_id, 'fb2', lambda doc: doc.as_fb2())
- # remove zip with all fb2 files
- remove_zip(settings.ALL_FB2_ZIP)
-
-
-@task(rate_limit=settings.CATALOGUE_CUSTOMPDF_RATE_LIMIT)