MethodRewriteMiddleware

gistfile1.py

from werkzeug import url_decode

class MethodRewriteMiddleware(object):
    """
        app = MethodRewriteMiddleware(app)
    """
    def __init__(self, app, input_name = '__method__'):
        self.app = app
        self.input_name = input_name

    def __call__(self, environ, start_response):
        if self.input_name in environ.get('QUERY_STRING', ''):
            args = url_decode(environ['QUERY_STRING'])
            method = args.get(self.input_name)
            if method:
                method = method.encode('ascii', 'replace')
                environ['REQUEST_METHOD'] = method
        return self.app(environ, start_response)