
from datetime import timedelta
from pathlib import Path


# database connection
SQLALCHEMY_ECHO = False

# Disable Flask-SQLAlchemy's tracking of object modifications.
SQLALCHEMY_TRACK_MODIFICATIONS = False

# job queue
JOBS_ASYNC = True

# metrics
METRICS_ENABLED = False

# RQ dashboard (for job queue)
RQ_DASHBOARD_ENABLED = False
RQ_POLL_INTERVAL = 2500
WEB_BACKGROUND = 'white'

# login sessions
PERMANENT_SESSION_LIFETIME = timedelta(14)

# localization
LOCALE = 'de_DE.UTF-8'
LOCALES_FORMS = ['de']
TIMEZONE = 'Europe/Berlin'

# static content files path
PATH_DATA = Path('./data')

# home page
ROOT_REDIRECT_TARGET = None
ROOT_REDIRECT_STATUS_CODE = 307

# shop
SHOP_ORDER_EXPORT_TIMEZONE = 'Europe/Berlin'


from datetime import timedelta
from pathlib import Path


# database connection
SQLALCHEMY_ECHO = False

# Avoid connection errors after database becomes temporarily
# unreachable, then becomes reachable again.
SQLALCHEMY_ENGINE_OPTIONS = {'pool_pre_ping': True}

# Disable Flask-SQLAlchemy's tracking of object modifications.
SQLALCHEMY_TRACK_MODIFICATIONS = False

# job queue
JOBS_ASYNC = True

# metrics
METRICS_ENABLED = False

# RQ dashboard (for job queue)
RQ_DASHBOARD_ENABLED = False
RQ_POLL_INTERVAL = 2500
WEB_BACKGROUND = 'white'

# login sessions
PERMANENT_SESSION_LIFETIME = timedelta(14)

# localization
LOCALE = 'de_DE.UTF-8'
LOCALES_FORMS = ['de']
TIMEZONE = 'Europe/Berlin'

# static content files path
PATH_DATA = Path('./data')

# home page
ROOT_REDIRECT_TARGET = None
ROOT_REDIRECT_STATUS_CODE = 307

# shop
SHOP_ORDER_EXPORT_TIMEZONE = 'Europe/Berlin'

Enable DBMS pool pre-pinging to avoid connection errors
Enable DBMS pool pre-pinging to avoid connection errors

  
  from datetime import timedelta
  from pathlib import Path
  
  
  # database connection
  SQLALCHEMY_ECHO = False
+ 
+ # Avoid connection errors after database becomes temporarily
+ # unreachable, then becomes reachable again.
+ SQLALCHEMY_ENGINE_OPTIONS = {'pool_pre_ping': True}
  
  # Disable Flask-SQLAlchemy's tracking of object modifications.
  SQLALCHEMY_TRACK_MODIFICATIONS = False
  
  # job queue
  JOBS_ASYNC = True
  
  # metrics
  METRICS_ENABLED = False
  
  # RQ dashboard (for job queue)
  RQ_DASHBOARD_ENABLED = False
  RQ_POLL_INTERVAL = 2500
  WEB_BACKGROUND = 'white'
  
  # login sessions
  PERMANENT_SESSION_LIFETIME = timedelta(14)
  
  # localization
  LOCALE = 'de_DE.UTF-8'
  LOCALES_FORMS = ['de']
  TIMEZONE = 'Europe/Berlin'
  
  # static content files path
  PATH_DATA = Path('./data')
  
  # home page
  ROOT_REDIRECT_TARGET = None
  ROOT_REDIRECT_STATUS_CODE = 307
  
  # shop
  SHOP_ORDER_EXPORT_TIMEZONE = 'Europe/Berlin'
  
Enable DBMS pool pre-pinging to avoid connection errors
## Code Before:

from datetime import timedelta
from pathlib import Path


# database connection
SQLALCHEMY_ECHO = False

# Disable Flask-SQLAlchemy's tracking of object modifications.
SQLALCHEMY_TRACK_MODIFICATIONS = False

# job queue
JOBS_ASYNC = True

# metrics
METRICS_ENABLED = False

# RQ dashboard (for job queue)
RQ_DASHBOARD_ENABLED = False
RQ_POLL_INTERVAL = 2500
WEB_BACKGROUND = 'white'

# login sessions
PERMANENT_SESSION_LIFETIME = timedelta(14)

# localization
LOCALE = 'de_DE.UTF-8'
LOCALES_FORMS = ['de']
TIMEZONE = 'Europe/Berlin'

# static content files path
PATH_DATA = Path('./data')

# home page
ROOT_REDIRECT_TARGET = None
ROOT_REDIRECT_STATUS_CODE = 307

# shop
SHOP_ORDER_EXPORT_TIMEZONE = 'Europe/Berlin'

## Instruction:
Enable DBMS pool pre-pinging to avoid connection errors
## Code After:

from datetime import timedelta
from pathlib import Path


# database connection
SQLALCHEMY_ECHO = False

# Avoid connection errors after database becomes temporarily
# unreachable, then becomes reachable again.
SQLALCHEMY_ENGINE_OPTIONS = {'pool_pre_ping': True}

# Disable Flask-SQLAlchemy's tracking of object modifications.
SQLALCHEMY_TRACK_MODIFICATIONS = False

# job queue
JOBS_ASYNC = True

# metrics
METRICS_ENABLED = False

# RQ dashboard (for job queue)
RQ_DASHBOARD_ENABLED = False
RQ_POLL_INTERVAL = 2500
WEB_BACKGROUND = 'white'

# login sessions
PERMANENT_SESSION_LIFETIME = timedelta(14)

# localization
LOCALE = 'de_DE.UTF-8'
LOCALES_FORMS = ['de']
TIMEZONE = 'Europe/Berlin'

# static content files path
PATH_DATA = Path('./data')

# home page
ROOT_REDIRECT_TARGET = None
ROOT_REDIRECT_STATUS_CODE = 307

# shop
SHOP_ORDER_EXPORT_TIMEZONE = 'Europe/Berlin'
