flask重定向多条路线

flask重定向多条路线

更新：解决主要问题“我的路线出了什么问题”，最简单的调试方法是使用

app.url_map

；例如：

>>> app.url_mapMap([<Rule '/user/<id>/<username>/' (HEAD, OPTIONS, GET) -> profile>, <Rule '/static/<filename>' (HEAD, OPTIONS, GET) -> static>, <Rule '/user/<id>/' (HEAD, OPTIONS, GET) -> profile>])

在这种情况下，这确认端点设置正确。这是同时展示Plain

flask

和的示例

flask-classy

：

from app import app, modelsfrom flask import g, redirect, url_for, render_template, requestfrom flask.ext.classy import FlaskView, route@app.route('/user/<int:id>', strict_slashes=False)@app.route('/user/<int:id>/<username>', strict_slashes=False)def profile(id, username=None):    user = models.User.query.get_or_404(id)    if user.clean_username != username:        return redirect(url_for('profile', id=id, username=user.clean_username))    return render_template('profile.html', user=user)class ClassyUsersView(FlaskView):    @route('/<int:id>', strict_slashes=False)    @route('/<int:id>/<username>', strict_slashes=False, endpoint='classy_profile')    def profile(self, id, username=None):        user = models.User.query.get_or_404(id)        if user.clean_username != username: return redirect(url_for('classy_profile', id=id, username=user.clean_username))        return render_template('profile.html', user=user)ClassyUsersView.register(app)

它们具有不同的端点，你需要考虑以下因素url_for：

>>> app.url_mapMap([<Rule '/classyusers/<id>/<username>' (HEAD, OPTIONS, GET) -> classy_profile>, <Rule '/user/<id>/<username>' (HEAD, OPTIONS, GET) -> profile>, <Rule '/classyusers/<id>' (HEAD, OPTIONS, GET) -> ClassyUsersView:profile_1>, <Rule '/static/<filename>' (HEAD, OPTIONS, GET) -> static>, <Rule '/user/<id>' (HEAD, OPTIONS, GET) -> profile>])

没有

flask-classy

端点名称的是函数名称，但是如你所知，使用时这是不同的

classy

，你可以使用来查看端点名称，

url_map()

或使用来在端点名称中分配它

@route(..., endpoint='name')

。

减少重定向：
要在最小化重定向数量的情况下响应你发布的url，你需要使用

strict_slashes=False

，这将确保处理未以终止的请求，

/

而不是通过重定向将其

301

重定向到以其

/

终止的副本：

@app.route('/user/<int:id>', strict_slashes=False)@app.route('/user/<int:id>/<username>', strict_slashes=False)def profile(id, username=None):    user = models.User.query.get_or_404(id)    if user.clean_username != username:        return redirect(url_for('profile', id=id, username=user.clean_username))    return render_template('profile.html', user=user)

结果如下：

>>> client = app.test_client()>>> def check(url):...     r = client.get(url)...     return r.status, r.headers.get('location')... >>> check('/user/123')('302 FOUND', 'http://localhost/user/123/johndoe')>>> check('/user/123/')('302 FOUND', 'http://localhost/user/123/johndoe')>>> check('/user/123/foo')('302 FOUND', 'http://localhost/user/123/johndoe')>>> check('/user/123/johndoe')('200 OK', None)>>> check('/user/123/johndoe/')('200 OK', None)>>> check('/user/125698')('404 NOT FOUND', None)

行为strict_slashes：

with strict_slashes=FalseURL   Redirects/points to   # of redirects===========================================================================/user/123        302 /user/123/clean_username          1/user/123/       302 /user/123/clean_username          1/user/123/foo    302 /user/123/clean_username          1/user/123/foo/   302 /user/123/clean_username          1/user/123/clean_username    302 /user/123/clean_username          1/user/123/clean_username/   200 /user/123/clean_username/         0/user/125698     404with strict_slashes=True (the default)any non '/'-terminated urls redirect to their '/'-terminated counterpartURL   Redirects/points to   # of redirects===========================================================================/user/123        301 /user/123/  2/user/123/foo    301 /user/123/foo/         2/user/123/clean_username    301 /user/123/clean_username/         1/user/123/       302 /user/123/clean_username/         1/user/123/foo/   302 /user/123/clean_username/         1/user/123/clean_username/   200 /user/123/clean_username/         0/user/125698     404example:"/user/123/foo" not terminated with '/' -> redirects to "/user/123/foo/""/user/123/foo/" -> redirects to "/user/123/clean_username/"

我相信它完全可以满足你的测试矩阵的要求：)