Serve ESRI Web App Builder app from HTTP

runserver

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import argparse
import json
import os
from BaseHTTPServer import HTTPServer
from SimpleHTTPServer import SimpleHTTPRequestHandler


if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='Simple webserver')
    parser.add_argument('address', type=str, help='Server address', nargs='?',
                        default='127.0.0.1:8080')
    parser.add_argument('--dir', '-d', type=str, help='Directory to be served',
                        default='./')
    args = parser.parse_args()

    server, port = (args.address.split(':')[:2]
                    if ':' in args.address else
                    (args.address, None))
    server = server or '127.0.0.1'
    port = int(port or 8080)
    dir_to_serve = os.path.abspath(args.dir)

    class RequestHandler(SimpleHTTPRequestHandler):
        def do_GET(self):
            # Serve altered config.json to prevent redirect to HTTPS during dev
            if self.path.startswith('/config.json'):
                with open(os.path.join(dir_to_serve, 'config.json')) as f:
                    config = json.load(f)
                    url = config['portalUrl'].replace('https://', 'http://')
                    config['portalUrl'] = url
                    self.send_response(200)
                    self.send_header('Content-Type', 'application/json')
                    self.end_headers()
                    return self.wfile.write(json.dumps(config))

            return SimpleHTTPRequestHandler.do_GET(self)

    server = HTTPServer((server, port), RequestHandler)
    sa = server.socket.getsockname()
    print("🌎 Serving %s at http://%s:%s/" % ((dir_to_serve,) + sa))
    try:
        server.serve_forever()
    except KeyboardInterrupt:
        print("\nGoodbye.")