Django，create_user出错，手动创建用户又出不同错误

Question

我在使用Django 1.1和Python 2.6.4，想要执行以下代码：

user = User.objects.create_user(username, email, password)

这三个值来自form.cleaned_data，已经过验证。但是我遇到了这个错误：

'dict' object has no attribute 'strip'
Traceback:
File "/usr/lib/pymodules/python2.6/django/core/handlers/base.py" in get_response
  92.                 response = callback(request, *callback_args, **callback_kwargs)
File "/home/jason/bandistry/../bandistry/musician/views.py" in signup
  140.             user = User.objects.create_user(username, email_address, password)
File "/usr/lib/pymodules/python2.6/django/contrib/auth/models.py" in create_user
  100.         user = self.model(None, username, '', '', email.strip().lower(), 'placeholder', False, True, False, now, now)

Exception Type: AttributeError at /musician/signup
Exception Value: 'dict' object has no attribute 'strip'

于是我尝试手动创建一个用户，使用了这个代码：

user = User(username=username, email=email_address)
user.set_password(password)
user.is_active = True
user.save()

结果我又遇到了这个错误：

Traceback:
File "/usr/lib/pymodules/python2.6/django/core/handlers/base.py" in get_response
  92.                 response = callback(request, *callback_args, **callback_kwargs)
File "/home/jason/bandistry/../bandistry/musician/views.py" in signup
  144.             user.save()
File "/usr/lib/pymodules/python2.6/django/db/models/base.py" in save
  410.         self.save_base(force_insert=force_insert, force_update=force_update)
File "/usr/lib/pymodules/python2.6/django/db/models/base.py" in save_base
  495.                     result = manager._insert(values, return_id=update_pk)
File "/usr/lib/pymodules/python2.6/django/db/models/manager.py" in _insert
  177.         return insert_query(self.model, values, **kwargs)
File "/usr/lib/pymodules/python2.6/django/db/models/query.py" in insert_query
  1087.     return query.execute_sql(return_id)
File "/usr/lib/pymodules/python2.6/django/db/models/sql/subqueries.py" in execute_sql
  320.         cursor = super(InsertQuery, self).execute_sql(None)
File "/usr/lib/pymodules/python2.6/django/db/models/sql/query.py" in execute_sql
  2369.         cursor.execute(sql, params)
File "/usr/lib/pymodules/python2.6/django/db/backends/util.py" in execute
  19.             return self.cursor.execute(sql, params)
File "/usr/lib/pymodules/python2.6/django/db/backends/mysql/base.py" in execute
  84.             return self.cursor.execute(query, args)
File "/usr/lib/pymodules/python2.6/MySQLdb/cursors.py" in execute
  151.             query = query % db.literal(args)
File "/usr/lib/pymodules/python2.6/MySQLdb/connections.py" in literal
  247.         return self.escape(o, self.encoders)
File "/usr/lib/pymodules/python2.6/MySQLdb/connections.py" in unicode_literal
  185.                 return db.literal(u.encode(unicode_literal.charset))
File "/usr/lib/pymodules/python2.6/MySQLdb/connections.py" in literal
  247.         return self.escape(o, self.encoders)

Exception Type: RuntimeError at /musician/signup
Exception Value: maximum recursion depth exceeded

有没有其他人遇到过这些错误，知道我哪里出错了吗？

django 错误处理版本兼容性 create_user 用户创建 form.cleaned_data

Django，create_user出错，手动创建用户又出不同错误

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