availabili.tf/backend-flask/app_db.py

62 lines
2.0 KiB
Python

from os import environ
from flask import Flask
from flask_migrate import Migrate
from flask_sqlalchemy import SQLAlchemy
from sqlalchemy import MetaData
from sqlalchemy.orm import DeclarativeBase
class BaseModel(DeclarativeBase):
pass
convention = {
"ix": "ix_%(column_0_label)s",
"uq": "uq_%(table_name)s_%(column_0_name)s",
"ck": "ck_%(table_name)s_%(constraint_name)s",
"fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
"pk": "pk_%(table_name)s"
}
def connect_db_with_app(database_uri = "sqlite:///db.sqlite3", include_migrate=True):
print("Connecting to database: " + database_uri)
app.config["SQLALCHEMY_DATABASE_URI"] = database_uri
db.init_app(app)
if include_migrate:
migrate.init_app(app, db)
with app.app_context():
print("Running dialect: " + db.engine.dialect.name)
import models.match
import models.team_match
import models.player_match
def connect_celery_with_app():
def celery_init_app(app):
from celery import Celery, Task
class FlaskTask(Task):
def __call__(self, *args: object, **kwargs: object) -> object:
with app.app_context():
return self.run(*args, **kwargs)
celery_app = Celery(app.name, task_cls=FlaskTask, broker=app.config["CELERY"]["broker_url"])
celery_app.config_from_object(app.config["CELERY"])
celery_app.set_default()
app.extensions["celery"] = celery_app
return celery_app
app.config.from_mapping(
CELERY=dict(
broker_url=environ.get("CELERY_BROKER_URL", "redis://redis:6379/0"),
result_backend=environ.get("CELERY_RESULT_BACKEND", "redis://redis:6379/0"),
task_ignore_result=True,
)
)
app.config.from_prefixed_env()
celery_init_app(app)
def create_app() -> Flask:
return Flask(__name__)
metadata = MetaData(naming_convention=convention)
app = create_app()
db = SQLAlchemy(model_class=BaseModel, metadata=metadata)
migrate = Migrate(app, db, render_as_batch=True)