Flask werkzeug.routing.BuildError在尝试使用url\u重定向时出错
这是导致错误的路由:Flask werkzeug.routing.BuildError在尝试使用url\u重定向时出错,flask,Flask,这是导致错误的路由: @appHandler.route('/user/<int:userid>/', defaults = {'username' : None}) @appHandler.route('/user/<int:userid>/<username>/') def profile(userid, username): user = User.query.filter_by(id = userid).first() if use
@appHandler.route('/user/<int:userid>/', defaults = {'username' : None})
@appHandler.route('/user/<int:userid>/<username>/')
def profile(userid, username):
user = User.query.filter_by(id = userid).first()
if user.username != username:
redirect(url_for(profile(userid, user.username)))
return 'Finally!'
或
我得到这个错误:
werkzeug.routing.BuildError
BuildError: ('Finally!', {}, None)
Traceback (most recent call last):
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/flask/app.py", line 1836, in __call__
return self.wsgi_app(environ, start_response)
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/flask/app.py", line 1820, in wsgi_app
response = self.make_response(self.handle_exception(e))
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/flask/app.py", line 1403, in handle_exception
reraise(exc_type, exc_value, tb)
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/flask/app.py", line 1817, in wsgi_app
response = self.full_dispatch_request()
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/flask/app.py", line 1477, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/flask/app.py", line 1381, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/flask/app.py", line 1475, in full_dispatch_request
rv = self.dispatch_request()
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/flask/app.py", line 1461, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/home/kevin/Code/python/flask/terminus/app/routes.py", line 32, in profile
redirect(url_for(profile(userid, user.username)))
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/flask/helpers.py", line 312, in url_for
return appctx.app.handle_url_build_error(error, endpoint, values)
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/flask/app.py", line 1641, in handle_url_build_error
reraise(exc_type, exc_value, tb)
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/flask/helpers.py", line 305, in url_for
force_external=external)
File "/home/kevin/Code/python/flask/terminus/venv/lib/python2.7/site-packages/werkzeug/routing.py", line 1620, in build
raise BuildError(endpoint, values, method)
BuildError: ('Finally!', {}, None)
仅供参考,userid=13
,username=sdfsdf
和user.username=rohitrk
帮个忙就好了。谢谢
url\u for
将字符串
作为其第一个参数(它是端点的名称,最常见但并不总是函数名)和url参数或查询字符串值的关键字参数。尝试:
url_for('profile', userid=userid, username=user.username)
您的情况是,profile
在调用它的第二个实例时失败(当您在url\u中调用它时,返回'Finally'
。这意味着您正在调用:
url_for('Finally')
实际上,这导致了构建错误
我觉得我错过了这一点,非常抱歉。谢谢你的快速回答:)
url_for('profile', userid=userid, username=user.username)
url_for('Finally')