Anum Sheraz SQLAlchemy question
33 लाइनें
import os
import os
from flask import Flask
from flask import Flask
from flask_sqlalchemy import SQLAlchemy as _BaseSQLAlchemy
from flask_sqlalchemy import SQLAlchemy as _BaseSQLAlchemy
# Coordinate DevConfig with SQLAlchemy and Flask-SQLAlchemy (don't repeat yourself!)
class DevConfig():
SQLALCHEMY_POOL_RECYCLE = 40
SQLALCHEMY_POOL_TIMEOUT = 10
SQLALCHEMY_PRE_PING = True
SQLALCHEMY_ENGINE_OPTIONS = {'pool_recycle': SQLALCHEMY_POOL_RECYCLE, 'pool_timeout': SQLALCHEMY_POOL_TIMEOUT, 'pool_pre_ping': SQLALCHEMY_PRE_PING}
Text moved from lines 18-21
DEBUG = True
# SERVER_NAME = '127.0.0.1:5000'
SQLALCHEMY_DATABASE_URI = os.getenv('SQLALCHEMY_DATABASE_URI_DEV')
SQLALCHEMY_TRACK_MODIFICATIONS = False
class SQLAlchemy(_BaseSQLAlchemy):
class SQLAlchemy(_BaseSQLAlchemy):
def apply_pool_defaults(self, app, options):
def apply_pool_defaults(self, app, options):
super(SQLAlchemy, self).apply_pool_defaults(app, options)
super(SQLAlchemy, self).apply_pool_defaults(app, options)
options["pool_pre_ping"] = True
options["pool_pre_ping"] = DevConfig.SQLALCHEMY_PRE_PING
# options["pool_recycle"] = 30
# options["pool_recycle"] = 30
# options["pool_timeout"] = 35
# options["pool_timeout"] = 35
db = SQLAlchemy()
db = SQLAlchemy()
class DevConfig():
SQLALCHEMY_ENGINE_OPTIONS = {'pool_recycle': 280, 'pool_timeout': 100, 'pool_pre_ping': True} # These configs doesn't get applied in engine configs :/
Text moved to lines 12-15
DEBUG = True
# SERVER_NAME = '127.0.0.1:5000'
SQLALCHEMY_DATABASE_URI = os.getenv('SQLALCHEMY_DATABASE_URI_DEV')
SQLALCHEMY_TRACK_MODIFICATIONS = False
config = dict(
config = dict(
dev=DevConfig,
dev=DevConfig,
)
)
app = Flask(__name__, instance_relative_config=True)
app = Flask(__name__, instance_relative_config=True)
app.config.from_object(config['dev'])
app.config.from_object(config['dev'])
# INIT DATABASE
# INIT DATABASE
db.init_app(app)
db.init_app(app)
with app.app_context():
with app.app_context():
db.create_all()
db.create_all()