X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/9fbf0c4158a9427442171629a564e2de7780b5b7..ce8bb4b693d45e5e33f94cbf5fb381acb8d593ad:/apps/catalogue/tasks.py?ds=sidebyside diff --git a/apps/catalogue/tasks.py b/apps/catalogue/tasks.py old mode 100755 new mode 100644 index 86e84a511..8cba04fd7 --- a/apps/catalogue/tasks.py +++ b/apps/catalogue/tasks.py @@ -3,10 +3,12 @@ # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # from datetime import datetime +from traceback import print_exc from celery.task import task -import catalogue.models +from django.conf import settings -@task + +# TODO: move to model? def touch_tag(tag): update_dict = { 'book_count': tag.get_count(), @@ -16,6 +18,101 @@ def touch_tag(tag): type(tag).objects.filter(pk=tag.pk).update(**update_dict) +@task(ignore_result=True) +def fix_tree_tags(book): + book.fix_tree_tags() + + @task def index_book(book_id, book_info=None): - return catalogue.models.Book.objects.get(id=book_id).search_index(book_info) + from catalogue.models import Book + try: + return Book.objects.get(id=book_id).search_index(book_info) + except Exception, e: + print "Exception during index: %s" % e + print_exc() + raise e + + +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) +def build_custom_pdf(book_id, customizations, file_name): + """Builds a custom PDF file.""" + from django.core.files import File + from django.core.files.storage import DefaultStorage + from catalogue.models import Book + + print "will gen %s" % DefaultStorage().path(file_name) + if not DefaultStorage().exists(file_name): + pdf = Book.objects.get(pk=book_id).wldocument().as_pdf( + customizations=customizations, + morefloats=settings.LIBRARIAN_PDF_MOREFLOATS) + DefaultStorage().save(file_name, File(open(pdf.get_filename())))