Jas*_*ith 13 email google-app-engine user-identification
最新的App Engine SDK(1.2.1)具有API调用,用于根据用户帐户的电子邮件地址计算用户帐户的ID.(即使用户稍后更改了地址,ID仍保持不变.)有关信息的唯一,不透明用户ID,请参阅此问题.但是,我有这个API调用的问题.
user_id()适用于登录用户(即从users.get_current_user),但它返回None由users.User()构造函数创建的对象.**什么给出?
例如,使用优秀的App Engine控制台,此代码不起作用.
>>> import google.appengine.api.users
>>> me = google.appengine.api.users.get_current_user()
>>> me
users.User(email='jason.h.smith@gmail.com',_user_id='105261964646342707921')
>>> me.user_id()
'105261964646342707921'
>>> somebody = google.appengine.api.users.User('someone@gmail.com')
>>> somebody
users.User(email='someone@gmail.com')
>>>somebody.user_id()
>>> type(somebody.user_id())
<type 'NoneType'>
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我想要一种简单的方法将电子邮件地址转换为用户ID. 我怎样才能提前从Google强制提供此ID; 或者如果不可能,为什么不呢?
感谢Nick Johnson的回答.以下是他的解决方案:
>>> from google.appengine.ext import db
>>> from google.appengine.api import users
>>> class User(db.Model):
... user = db.UserProperty(required=True)
...
>>> def email_to_userid(address):
... """Return a stable user_id string based on an email address, or None if
... the address is not a valid/existing google account."""
... u = users.User(address)
... key = User(user=u).put()
... obj = User.get(key)
... return obj.user.user_id()
>>> email_to_userid('jason.h.smith@gmail.com')
u'105261964646342707921'
>>> email_to_userid('this@is-an-invalid-email-address')
>>> email_to_userid('this@is-an-invalid-email-address') is None
True
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