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我的模型時:Django的 - 方法調用在管理刪除FK
class Spectacle(models.Model):
title = models.CharField(max_length=100)
slug = models.SlugField(max_length=100 unique=False)
description = models.TextField()
class SpectacleGallery(models.Model):
spectacle = models.ForeignKey(Spectacle)
image = models.ImageField(upload_to=upload_path_handler, max_length=255, help_text=_(u'tylko pliki z rozszerzeniem .jpg'))
image_thumb = models.CharField(max_length=255, editable=False, blank=True, null=True)
def delete(self, *args, **kwargs):
image_thumb_abs = settings.MEDIA_ROOT + str(self.image_thumb)
# try to delete thumb and image
try:
remove(image_thumb_abs)
except Exception:
pass
try:
self.image.delete()
except Exception:
pass
super(SpectacleGallery, self).delete(*args, **kwargs) # Call the "real" delete() method.
#try to delete dir
try:
removedirs(settings.SPECTACLE_GALLERY_UPLOAD_PATH + str(self.spectacle_id))
except:
pass
現在管理員,當我從SpectacleGallery文件刪除從磁盤和DB刪除正常。問題是當我想刪除眼鏡。刪除頁面詢問我是否確定刪除眼鏡和所有相關圖像。我確認並且:刪除數據庫中的所有記錄。不幸的是,SpectacleGallery中的文件不會被刪除。我將其打印到SpectacleGallery中的delete()方法中。沒有顯示,所以我的問題是: 爲什麼刪除方法不被調用時,以這種方式刪除它?