pgpubsub added, channel listener added

app/app/helpers/notification_manager.py

+import pgpubsub
+from app import app
+from uwsgidecorators import thread
+
+
+@thread
+def listening():
+    ps = pgpubsub.connect(
+        database = app.config['DB_NAME'], 
+        user = app.config['DB_USERNAME'],
+        password = app.config['DB_PASSWORD'],
+        host = app.config['DB_HOST'],
+        port = app.config['DB_PORT']
+    )
+    ps.listen('test')
+    while True:
+        for e in ps.events():
+            print(e.payload)
+
+listening()

app/requirements.txt

@@ -8,6 +8,7 @@ Flask-Mail==0.9.1
 itsdangerous==1.1.0
 Jinja2==2.11.2
 MarkupSafe==1.1.1
+pgpubsub==0.0.5
 psycopg2==2.8.5
 pycparser==2.20
 pytz==2019.3