我正在尝试关注 Flask Mega Tutorial为此我需要使用 WTForms。正如教程中所建议的,我使用了一个 virtualenv,我在其中安装了 WTForms,如下所示:
flask/bin/pip install flask-wtf
这似乎工作正常,当我现在再次运行它时,我只是得到了这个:
Requirement already satisfied (use --upgrade to upgrade): flask-wtf in ./flask/lib/python2.7/site-packages
Requirement already satisfied (use --upgrade to upgrade): Flask in ./flask/lib/python2.7/site-packages (from flask-wtf)
Requirement already satisfied (use --upgrade to upgrade): WTForms>=1.0 in ./flask/lib/python2.7/site-packages (from flask-wtf)
Requirement already satisfied (use --upgrade to upgrade): Werkzeug>=0.7 in ./flask/lib/python2.7/site-packages (from Flask->flask-wtf)
Requirement already satisfied (use --upgrade to upgrade): Jinja2>=2.4 in ./flask/lib/python2.7/site-packages (from Flask->flask-wtf)
Requirement already satisfied (use --upgrade to upgrade): itsdangerous>=0.21 in ./flask/lib/python2.7/site-packages (from Flask->flask-wtf)
Requirement already satisfied (use --upgrade to upgrade): markupsafe in ./flask/lib/python2.7/site-packages (from Jinja2>=2.4->Flask->flask-wtf)
Cleaning up...
但是当我尝试使用 from forms import LoginForm
导入表单时,我收到一条错误消息:ImportError: cannot import name LoginForm
。
有谁知道我在这里做错了什么,我该如何解决这个问题?欢迎所有提示!
最佳答案
您需要一个名为 forms
的模块,其中包含 LoginForm
,
from flask.ext.wtf import Form
from wtforms import TextField, BooleanField
from wtforms.validators import Required
class LoginForm(Form):
openid = TextField('openid', validators = [Required()])
remember_me = BooleanField('remember_me', default = False)
这是取自 Part iii 的示例.
关于python - 如何安装 WTForms?尝试导入表单时出现导入错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/20678590/