执行 Flask 应用程序时,我收到以下警告:
C:\Python27\lib\site-packages\flask_admin\model\base.py:1324: UserWarning: Fields missing from ruleset: password
warnings.warn(text)
C:\Python27\lib\site-packages\flask_admin\model\base.py:1324: UserWarning: Fields missing from ruleset: new_password
warnings.warn(text)
* Restarting with stat
C:\Python27\lib\site-packages\flask_admin\model\base.py:1324: UserWarning: Fields missing from ruleset: password
warnings.warn(text)
C:\Python27\lib\site-packages\flask_admin\model\base.py:1324: UserWarning: Fields missing from ruleset: new_password
warnings.warn(text)
我通常使用 form_excluded_columns 从表单中删除不需要的字段,但这次我很难消除这些错误。
这是我的观点:
class AdministratorView(sqla.ModelView):
page_size = 10
column_searchable_list = (
'username',
'description'
)
column_list = (
'username',
'apikey',
'description',
'active'
)
column_exclude_list = list = (
'apikey',
'source'
)
form_excluded_columns = (
'source',
'photos'
)
column_labels = {
'apikey': 'API Key'
}
form_widget_args = {
'apikey':{
'readonly':True
}
}
form_create_rules = (
rules.FieldSet(('username', 'password', 'description'), 'Personal'),
rules.FieldSet(('roles', 'apikey', 'active'), 'Permission'),
)
form_edit_rules = (
rules.FieldSet(('username', 'description'), 'Personal'),
rules.FieldSet(('roles', 'apikey', 'active'), 'Permission'),
rules.Header('Reset password'),
rules.Field('new_password')
)
def on_model_change(self, form, model, is_created):
if is_created is False:
if form.new_password.data:
model.password = generate_password_hash(form.new_password.data)
def scaffold_form(self):
form_class = super(AdministratorView, self).scaffold_form()
form_class.password = fields.PasswordField('Password', [validators.Required()])
form_class.new_password = fields.PasswordField('New Password')
return form_class
def is_accessible(self):
if login.current_user.is_authenticated:
return login.current_user.has_role('admin')
此 View 的目的是在创建表单上有一个必需的密码字段,在编辑表单上有一个可选的“新密码”字段。据我所知,当我在 form_create_rules 和 form_edit_rules 中不包含密码/new_password 时,会出现警告,但将这些字段添加到 form_excluded_columns 中并不能解决问题。
有关如何消除警告的任何提示?
编辑:
我想我应该使用 get_create_form 和 get_edit_form 而不是只使用scaffold_form。一个好处是这样可以更轻松地单独覆盖每个表单。我可以进一步简化这个吗?我应该像这样进行需求验证还是将 nullable=False 添加到数据库架构(SQLAlchemy)?
class AdministratorView(sqla.ModelView):
page_size = 10
column_searchable_list = (
'username',
'description'
)
column_list = (
'username',
'apikey',
'description',
'active'
)
column_exclude_list = list = (
'apikey',
'source'
)
form_excluded_columns = (
'source',
'photos'
)
column_labels = {
'apikey': 'API Key'
}
form_widget_args = {
'apikey':{
'readonly':True
}
}
form_create_rules = (
rules.FieldSet(('username', 'password', 'description'), 'Personal'),
rules.FieldSet(('roles', 'apikey', 'active'), 'Permission'),
)
form_edit_rules = (
rules.FieldSet(('username', 'description'), 'Personal'),
rules.FieldSet(('roles', 'apikey', 'active'), 'Permission'),
rules.Header('Reset password'),
rules.Field('new_password')
)
def get_create_form(self):
form = self.scaffold_form()
form.username = fields.StringField('Username', [validators.Required()])
form.password = fields.PasswordField('Password', [validators.Required()])
return form
def get_edit_form(self):
form = self.scaffold_form()
delattr(form, 'password')
form.new_password = fields.PasswordField('New Password')
return form
def on_model_change(self, form, model, is_created):
if is_created is False:
if form.new_password.data:
model.password = generate_password_hash(form.new_password.data)
def is_accessible(self):
if login.current_user.is_authenticated:
return login.current_user.has_role('admin')
最佳答案
也许这会有所帮助:How can I avoid Flask-Admin 2.1 warning "UserWarning: Fields missing from ruleset"?
这是该答案的相关代码:
import warnings
with warnings.catch_warnings():
warnings.filterwarnings('ignore', 'Fields missing from ruleset', UserWarning)
admin.add_view(UserView())
关于Flask-admin 用户警告 : Fields missing from ruleset,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/40154745/