Basic Flask REST server

reverseproxied.py

class ReverseProxied(object):
    def __init__(self, app):
        self.app = app

    def __call__(self, environ, start_response):
        script_name = environ.get('HTTP_X_SCRIPT_NAME', None)
        if script_name is not None:
            environ['SCRIPT_NAME'] = script_name
            path_info = environ['PATH_INFO']
            if path_info.startswith(script_name):
                path_info = path_info[len(script_name):]
                environ['PATH_INFO'] = path_info

        scheme = environ.get('HTTP_X_SCHEME', None)
        if scheme is not None:
            environ['wsgi_url_scheme'] = scheme
        return self.app(environ, start_response)

rgis.py

from flask import Flask
from subprocess import Popen, PIPE
from reverseproxied import ReverseProxied

app = Flask(__name__)
app.wsgi_app = ReverseProxied(app.wsgi_app)


@app.route('/')
def list_functions():
    return 'netAccumulate'

@app.route('/ls')
def ls_app():
    return Popen('ls', stdout=PIPE,shell=True).stdout.read()

@app.route('/ls/<path:dir>')
def ls_argh(dir):
    p = Popen('ls'+' '+dir, stdout=PIPE,stderr=PIPE,shell=True)
    print  p.wait()
    return p.stdout.read() + p.stderr.read()

@app.route('/netAccumulate')
def netacc():
    p=Popen('/usr/local/share/ghaas/bin/netAccumulate --help',
		stdout=PIPE,stderr=PIPE,shell=True)
    print p.wait()
    return p.stdout.read() + p.stderr.read()

if __name__ == '__main__':
    app.run(host='0.0.0.0')

test.sh

#!/bin/bash

# activate the virtualenv
# from outside 
#. $HOME/REST/bin/activate

# detach the REST server 
# save the pid to file descriptor 3
( python rgis.py & echo $! >&3 ) 3>pid

# leave sufficient time for the REST server to launch
sleep 2

#echo $(<pid)

# run the tests
curl http://localhost:5000/

curl http://localhost:5000/ls

curl http://localhost:5000/ls/bin

curl http://localhost:5000/netacc

curl http://lily.ccny.cuny.edu/rgis/netacc

# kill the server process
kill $(<pid)

The ReverseProxied class seems to come from http://flask.pocoo.org/snippets/35/ with some modifications. It does work.