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Modify headers in Pylons using Middleware

开发者 https://www.devze.com 2022-12-29 10:02 出处:网络
I\'m trying to modify a header using Middleware in Pylons to make my application RESTful, basically, if the user request \"application/json\" via GET that is what he get back.

I'm trying to modify a header using Middleware in Pylons to make my application RESTful, basically, if the user request "application/json" via GET that is what he get back.

The question I have is, the variable headers is basically a long list. Looking something like this:

[('Content-Type', 'text/html; charset=utf-8'), ('Pragma', 'no-cache'), ('Cache-Control', 'no-cache'), ('Content-Length','20'), ('Content-Encoding', 'gzip')]

Now, I'm looking to just modify the value based on the request - but are thes开发者_开发技巧e positions fixed? Will 'Content-Type' always be position headers[0][0]?

Best Regards,

Anders


Try this


from webob import Request, Response
from my_wsgi_application import App
class MyMiddleware(object):
    def init(self, app):
        self.app = app
    def call(self, environ, start_response):
        req = Request(environ)
... rsp = req.get_response(app) rsp.headers['Content-type'] = 'application/json' return rsp(environ, start_response)

Or simple do request or response .headers['Content-type'] = 'application/json' in you contoller

See http://pythonpaste.org/webob/reference.html#headers

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