README.md updated and reorganized, Improved error handling for configparser and ldap manager, requirements.txt added

ucloud_pay.py

@@ -5,7 +5,7 @@ from uuid import uuid4
 
 from flask import Flask, request
 from flask_restful import Resource, Api
-
+from werkzeug.exceptions import HTTPException
 from config import etcd_client as client, config as config
 from stripe_utils import StripeUtils
 from schemas import (
@@ -322,4 +322,15 @@ if __name__ == '__main__':
     api.add_resource(UserRegisterPayment, '/user/register_payment')
     api.add_resource(OrderList, '/order/list')
 
-    app.run(host='::', port=config['app']['port'], debug=True)
+    app.run(host='::', port=config.get('app', 'port', fallback=5000), debug=True)
+
+
+    @app.errorhandler(Exception)
+    def handle_exception(e):
+        app.logger.error(e)
+        # pass through HTTP errors
+        if isinstance(e, HTTPException):
+            return e
+
+        # now you're handling non-HTTP exceptions only
+        return {'message': 'Server Error'}, 500