Basic RabbitMQ implementation

Add rough Todo comments for RabbitMQ implementation
Update requirements
Add tutorial code with routing capability
Remove unnecessary imports

app/__init__.py

-    # app/__init__.py
+# app/__init__.py
 
 # local imports
 from __future__ import print_function
 
-import os
-import sys
-import subprocess
-import time
-
 # third-party imports
 from flask import Flask, redirect, url_for, request, render_template, flash, session
-from flask_wtf import FlaskForm
 from flask_bootstrap import Bootstrap
-from wtforms import StringField, SubmitField, TextAreaField, validators
-from flask_socketio import SocketIO
-
-# global declarations
 
 
 def create_app(config_name):

requirements.txt

@@ -34,6 +34,7 @@ oauth2==1.9.0.post1
 oauthlib==3.1.0
 pathtools==0.1.2
 pbr==5.4.3
+pika==1.1.0
 python-dateutil==2.8.1
 python-editor==1.0.4
 python-engineio==3.10.0

run.py

@@ -2,6 +2,8 @@
 
 import os
 import time
+import pika
+import sys
 
 from app import create_app
 from flask_socketio import SocketIO
@@ -18,6 +20,8 @@ def messageReceived(methods=['GET', 'POST']):
 
 
 def check_dir(user, interval):
+    # Todo: Make this mothod in a consumer
+
     """
     :param user: (string) username to check for in DB.
     :param interval: (int) Frequency to check in seconds.
@@ -47,34 +51,51 @@ def handle_my_custom_event(json, methods=['GET', 'POST']):
 def ingest_data(json, methods=['GET', 'POST']):
     print (time.strftime("%m-%d-%Y_%H:%M:%S") + '\tQueue request received: ' + str(json))
 
-    try:
-        fullname = json["fullname"]
-        reason = json["reason"]
-        username = json["username"]
-
-        time_stamp = time.strftime("%m-%d-%Y_%H:%M:%S")
-        directory = "flat_db/"
-        complete_file_name = os.path.join(directory, time_stamp + "_" + username + ".txt")
-
-        if not os.path.exists(directory):
-            os.makedirs(directory)
-
-        file = open(complete_file_name, "w")  # create time stamped file to be queued
-
-        file.write(fullname + "\n")
-        file.write(reason)
-
-        file.close()
-        print (time.strftime("%m-%d-%Y_%H:%M:%S") + '\tUser ' + username + ' added to queue')
-        socketio.emit("creating account")
-
-    except Exception as e:
-        print(time.strftime("%m-%d-%Y_%H:%M:%S") + "\tError in directory creation: ", e)
-        socketio.emit("Account creation failed")
+    connection = pika.BlockingConnection(
+        pika.ConnectionParameters(host='localhost'))
+    channel = connection.channel()
+
+    channel.exchange_declare(exchange='direct_logs', exchange_type='direct')
+
+    severity = sys.argv[1] if len(sys.argv) > 1 else 'info'
+    message = ' '.join(sys.argv[2:]) or 'Hello World!'
+    channel.basic_publish(
+        exchange='direct_logs', routing_key=severity, body=message)
+    print(" [x] Sent %r:%r" % (severity, message))
+    connection.close()
+
+    # Todo: Make the remaining protion of this method in a RabbitMQ consumer
+
+    # try:
+    #     fullname = json["fullname"]
+    #     reason = json["reason"]
+    #     username = json["username"]
+    #
+    #     time_stamp = time.strftime("%m-%d-%Y_%H:%M:%S")
+    #     directory = "flat_db/"
+    #     complete_file_name = os.path.join(directory, time_stamp + "_" + username + ".txt")
+    #
+    #     if not os.path.exists(directory):
+    #         os.makedirs(directory)
+    #
+    #     file = open(complete_file_name, "w")  # create time stamped file to be queued
+    #
+    #     file.write(fullname + "\n")
+    #     file.write(reason)
+    #
+    #     file.close()
+    #     print (time.strftime("%m-%d-%Y_%H:%M:%S") + '\tUser ' + username + ' added to queue')
+    #     socketio.emit("creating account")
+    #
+    # except Exception as e:
+    #     print(time.strftime("%m-%d-%Y_%H:%M:%S") + "\tError in directory creation: ", e)
+    #     socketio.emit("Account creation failed")
 
 
 @socketio.on("validate creation")
 def creation_confirmation(json, methods=['GET', 'POST']):
+    # Todo: Make this mthod in a RabbitMQ consumer
+
     username = json["username"]
 
     if check_dir(username, 10):