def delete_all_categories(author):
"""Delete all categories of specified author
When delete a category, all items belonging to as well a its all
comments would be delete automatically
:param author the specified author
"""
category_query = rankdata.Category.all().filter("author = ", author)
for category in category_query.run():
item.delete_all_items(author, category.name)
db.delete(category)
def delete_categories(author, names=[]):
"""Delete categories of specified author and name
When delete a category, all items belonging to as well as its all
comments would be delete automatically.
:param author the specified author
:param names the specified name list
"""
for name in names:
key = db.Key.from_path("Category", "{author}/{category}".format(author=author, category=name))
item.delete_all_items(author, db.get(key).name)
db.delete(key)
