From 1124d3874e69387455a7df92c011d08d5b460681 Mon Sep 17 00:00:00 2001
From: marax <marax34@gmail.com>
Date: Thu, 4 Nov 2021 17:29:34 +0100
Subject: [PATCH] Modified __init.py__ to __init__.py

---
 app1/management/__init__.py             |  0
 app1/management/commands/__init__.py    |  0
 app1/management/commands/wait_for_db.py | 30 +++++++++++++++++++++++++
 3 files changed, 30 insertions(+)
 create mode 100644 app1/management/__init__.py
 create mode 100644 app1/management/commands/__init__.py
 create mode 100644 app1/management/commands/wait_for_db.py

diff --git a/app1/management/__init__.py b/app1/management/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app1/management/commands/__init__.py b/app1/management/commands/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/app1/management/commands/wait_for_db.py b/app1/management/commands/wait_for_db.py
new file mode 100644
index 0000000..f6be870
--- /dev/null
+++ b/app1/management/commands/wait_for_db.py
@@ -0,0 +1,30 @@
+"""
+Django command to wait until DB is started
+
+"""
+
+import time
+
+from psycopg2 import OperationalError as Psycopg2OpError
+from django.db.utils import OperationalError
+
+from django.core.management.base import BaseCommand
+
+class Command(BaseCommand):
+    """ Django wait for DB"""
+    self.stdout.write('Waiting for Database ...')
+    db_up = False
+    while db_up is False:
+        try:
+            self.check(database=['default'])
+            db_up = True
+        except (Psycopg2OpError, OperationalError):
+            self.stdout.write('Database unavailable, waiting 1 sec...')
+            time.sleep(1)
+    
+    self.stdout.write(self.style.SUCCESS('database ready !!'))
+    
+
+
+
+