improve connection handling on startup

src/server/BreCal/__init__.py

@@ -13,8 +13,6 @@ from .api import ships
 from .api import login
 from .api import user
 
-sessions = dict()
-
 def create_app(test_config=None):
 
     app = Flask(__name__, instance_relative_config=True)
@@ -44,7 +42,7 @@ def create_app(test_config=None):
 
 
     logging.basicConfig(filename='brecal.log', level=logging.DEBUG, format='%(asctime)s | %(name)s | %(levelname)s | %(message)s')
-    local_db.initPool()
+    local_db.initPool(app.instance_path)
     logging.info('App started')
 
     return app

src/server/BreCal/local_db.py

@@ -4,13 +4,14 @@ import logging
 import json
 import os
 
-connection_pool = None
+config_path = None
 
-def initPool():
+def initPool(instancePath):
     try:
+        if(config_path == None):
+            config_path = os.path.join(instancePath,'../../../../secure/connection_data_test.json');
 
-        config_path = '../../../../secure/connection_data_test.json'
-        print (os.getcwd())
+        print (instancePath)
         if not os.path.exists(config_path):
             print ('cannot find ' + config_path)
             exit(1)
@@ -31,7 +32,6 @@ def initPool():
         print(e)
 
 def getPoolConnection():
-    config_path = '../../../../secure/connection_data_test.json'
     f = open(config_path);
     connection_data = json.load(f)
     return mysql.connector.connect(**connection_data)

src/server/flaskapp.wsgi

@@ -1,8 +1,8 @@
 import sys
 import logging
 
-sys.path.insert(0, '/var/www/brecal/server')
-sys.path.insert(0, '/var/www/brecal/venv/lib/python3.10/site-packages/')
+sys.path.insert(0, '/var/www/brecal_test/server')
+sys.path.insert(0, '/var/www/venv/lib/python3.10/site-packages/')
 
 # Set up logging
 logging.basicConfig(stream=sys.stderr, level=logging.DEBUG)