Python delay Examples

Example #1

File: status.py Project: arkhi/bookwyrm

def preview_image(instance, sender, *args, **kwargs):
    """Updates book previews if the rating has changed"""
    if not ENABLE_PREVIEW_IMAGES or sender not in (Review, ReviewRating):
        return

    changed_fields = instance.field_tracker.changed()

    if len(changed_fields) > 0:
        edition = instance.book
        generate_edition_preview_image_task.delay(edition.id)

Example #2

File: book.py Project: arkhi/bookwyrm

def preview_image(instance, *args, **kwargs):
    """create preview image on book create"""
    if not ENABLE_PREVIEW_IMAGES:
        return
    changed_fields = {}
    if instance.field_tracker:
        changed_fields = instance.field_tracker.changed()

    if len(changed_fields) > 0:
        generate_edition_preview_image_task.delay(instance.id)