mirror of
https://github.com/resf/distro-tools.git
synced 2024-11-22 05:01:26 +00:00
43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
|
"""
|
||
|
|
Database helper methods
|
||
|
|
"""
|
||
|
|
from tortoise import Tortoise
|
||
|
|
from tortoise.contrib.fastapi import register_tortoise
|
||
|
|
|
||
|
|
from common.info import Info
|
||
|
|
|
||
|
|
|
||
|
|
class Database(object):
|
||
|
|
"""
|
||
|
|
Database connection singleton class
|
||
|
|
"""
|
||
|
|
|
||
|
|
initialized = False
|
||
|
|
|
||
|
|
def __init__(self, initialize=False, tortoise_app=None, models=None):
|
||
|
|
if not Database.initialized and not initialize:
|
||
|
|
raise Exception("Database connection not initialized")
|
||
|
|
|
||
|
|
if tortoise_app:
|
||
|
|
register_tortoise(
|
||
|
|
tortoise_app,
|
||
|
|
db_url=self.conn_str(),
|
||
|
|
modules={"models": models},
|
||
|
|
add_exception_handlers=True,
|
||
|
|
)
|
||
|
|
self.initialized = True
|
||
|
|
|
||
|
|
def conn_str(self):
|
||
|
|
info = Info()
|
||
|
|
|
||
|
|
return f"postgres://{info.dbuser()}:{info.dbpassword()}@{info.dbhost()}:{info.dbport()}/{info.dbname()}"
|
||
|
|
|
||
|
|
async def init(self, models):
|
||
|
|
if Database.initialized:
|
||
|
|
return
|
||
|
|
await Tortoise.init(
|
||
|
|
db_url=self.conn_str(), use_tz=True, modules={"models": models}
|
||
|
|
)
|
||
|
|
|
||
|
|
self.initialized = True
|