我寫的App Engine應用程序(這是一個簡單的任務系統的遊戲):Python的問題 - 我有一個類的列表,我如何刪除重複?
,所以我有一個列表
class Quest(db.Model):
name = db.StringProperty()
# note: I made about 10 different quest entities (quest1 to quest10)
class User(db.Model):
completed_quests = db.StringListProperty() # to store keys of completed quests
# note: I made some fake data showing that the user completed 3 quests.
# user.completed_quests = ["key1","key2","key3"] - keys belong to the corresponding quests
所以我查詢用戶和他/她已完成的任務。 用戶= User.get_by_key_name(用戶ID)
然後我查詢任務模型 all_quests = Quest.all()
這樣的問題:我怎麼交叉檢查我user.completed_quests與all_quests名單?
我的目標:我要呈現給用戶的網頁,他/她可以看到: - 不完整的任務 - 完成任務和 的列表。
我使用的方法:
# prepare a buffer
completed_quests = []
for quest in all_quests:
for k,completed_quest in enumerate(user.completed_quests):
if str(completed_quest) == str(quest.key()): # the point of detection
completed_quests.append(completed_quest)
# final product is a list of completed quest entites
但我怎麼做我未完成的任務?