如何添加字段网址为嵌套的输出字段在平静的瓶子里 [英] How to add fields url for nested output fields in flask restful
问题描述
我发现 Url('my_endpoint',absolute = True)
只在顶层url字段内生成url,而不是嵌套的url。它会抛出 werkzeug.routing.BuildError
- [Error log gist] [1] https://gist.github.com/anonymous/6251c67089871d0e4516
例如这里是我的网址字段
role_fields = {
'name':fields.String(attribute ='title'),
'id':fields.Integer (attribute ='id'),
'uri':fields.Url('user_endpoint',absolute = True)
}
user_fields = {
'id':fields.Integer,
'username':fields.String,
'email':fields.String,
'full_name':fields.String(attribute ='real_name '),
'website':fields.String(default = None),
'bio':fields.String(default = None),
'created_date':fields.DateTime,
'modified_date':fields.DateTime,
'uri':fields.Url('user_endpoint',absolute = True),
'role':fields.Ne sted(role_fields),
}
问题是 fields.Url
需要一个必需的端点参数,在这种情况下它的 username
。
$ b $
参数用户名
可用于 user_fields
返回用户
对象,但 user.role
不包含用户名
属性。
因此我将用户名
属性分配给$
$ p $ user $ get_user(username)#从db $获取用户对象code> user.role`对象在返回之前。 b $ b user.role.username = user.username
返回用户
I am having difficulty over generating api endpoint urls in nested output fields using [Flask-RESTful][1].
I found that fields.Url('my_endpoint', absolute=True)
only generates url inside top url fields not the nested one. It throws werkzeug.routing.BuildError
- [Error log gist][1]https://gist.github.com/anonymous/6251c67089871d0e4516
For example here is my url fields
role_fields = {
'name': fields.String(attribute='title'),
'id': fields.Integer(attribute='id'),
'uri': fields.Url('user_endpoint', absolute=True)
}
user_fields = {
'id': fields.Integer,
'username': fields.String,
'email': fields.String,
'full_name': fields.String(attribute='real_name'),
'website': fields.String(default=None),
'bio': fields.String(default=None),
'created_date': fields.DateTime,
'modified_date': fields.DateTime,
'uri': fields.Url('user_endpoint', absolute=True),
'role': fields.Nested(role_fields),
}
The problem was fields.Url
needs a required endpoint parameter, In this case its username
.
The parameter username
is available to user_fields
with the returned user
object, but the role
object user.role
does not contain username
attribute.
So I assigned 'usernameattribute to
user.role` object before returning it.
user = get_user(username) #Get user object from db
user.role.username = user.username
return user
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