Python wsgi script to dispatch request based on request header

README.md

WSGI Script to dispatch request based on request header

Installation

pip install flask paste

usage

python request-wsgi-dispatcher.py

This will serve all POST requests from backend_app and all other requests from Flask app.

TL;DR read atleast the code luke

request-wsgi-dispatcher.py

# This is example script to show how to dispatch wsgi request based on request header

from flask import Flask
from paste import proxy  # Using to proxy requests to remote server


class RequestMethodDispatcher(object):

    def __init__(self, main_app, config):
        self.main_app = main_app
        self.config = config

    def get_application(self, environ):
        return self.config.get(
            environ['REQUEST_METHOD'], self.main_app
        )

    def __call__(self, environ, start_response):
        app = self.get_application(environ)
        return app(environ, start_response)

app = Flask(__name__, static_folder='app', static_url_path='')

backend_app = proxy.make_proxy(
    None, 'http://example.com/', allowed_request_methods='POST')

app.wsgi_app = RequestMethodDispatcher(app.wsgi_app, {
    'POST': backend_app,
})

if __name__ == "__main__":
    app.run('0.0.0.0', 5000)