from celery.task import task
from django.conf import settings
from wolnelektury.utils import localtime_to_utc
+from waiter.models import WaitedFile
# TODO: move to model?
@task(ignore_result=True, rate_limit=settings.CATALOGUE_CUSTOMPDF_RATE_LIMIT)
-def build_custom_pdf(book_id, customizations, file_name):
+def build_custom_pdf(book_id, customizations, file_name, waiter_id=None):
"""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):
- kwargs = {
- 'cover': True,
- }
- if 'no-cover' in customizations:
- kwargs['cover'] = False
- customizations.remove('no-cover')
- pdf = Book.objects.get(pk=book_id).wldocument().as_pdf(
- customizations=customizations,
- morefloats=settings.LIBRARIAN_PDF_MOREFLOATS,
- **kwargs)
- DefaultStorage().save(file_name, File(open(pdf.get_filename())))
+ try:
+ 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):
+ kwargs = {
+ 'cover': True,
+ }
+ if 'no-cover' in customizations:
+ kwargs['cover'] = False
+ customizations.remove('no-cover')
+ pdf = Book.objects.get(pk=book_id).wldocument().as_pdf(
+ customizations=customizations,
+ morefloats=settings.LIBRARIAN_PDF_MOREFLOATS,
+ **kwargs)
+ DefaultStorage().save(file_name, File(open(pdf.get_filename())))
+ finally:
+ if waiter_id is not None:
+ WaitedFile.objects.filter(pk=waiter_id).delete()