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67 lines
2.1 KiB
Python

import os
from alembic.config import Config
from alembic.script import ScriptDirectory
from alembic.runtime.migration import MigrationContext
from alembic import command
from sqlalchemy import create_engine
from alembic import command
from dotenv import load_dotenv
import logging
#Logging
logging.basicConfig(
filename='app.log', # Log to a file
level=logging.DEBUG, # Log everything (DEBUG and above)
format='%(asctime)s %(levelname)s %(message)s'
)
logging.info('Application started')
try:
logging.debug('Debug info here')
except Exception as e:
logging.exception('An error occurred')
load_dotenv()
db_name = os.getenv("DB_NAME")
db_psswd = os.getenv("DB_PASSWORD")
db_user = os.getenv("DB_USER")
db_port = os.getenv("DB_PORT") or "3306"
db_host = os.getenv("DB_HOST")
if db_host == None:
os._exit(1)
engine_url = f"mariadb+mariadbconnector://{db_user}:{db_psswd}@{db_host}:{db_port}/{db_name}"
base_dir = os.path.dirname(__file__)
ini_path = os.path.join(base_dir, "..", "alembic.ini")
alembic_cfg = Config(ini_path)
alembic_cfg.set_section_option(alembic_cfg.config_ini_section, "sqlalchemy.url", engine_url)
script = ScriptDirectory.from_config(alembic_cfg)
engine = create_engine(engine_url)
def check_db():
with engine.connect() as conn:
context = MigrationContext.configure(conn)
current_rev = context.get_current_revision()
head_rev = script.get_current_head()
if current_rev != head_rev:
command.upgrade(alembic_cfg, "head")
return False
def auto_lookup():
command.revision(alembic_cfg, message="add tables and rows", autogenerate=True)
script = ScriptDirectory.from_config(alembic_cfg)
head_rev = script.get_revision(script.get_current_head())
with open(head_rev.path) as f:
content = f.read()
if "pass\n # ### end Alembic commands ###" in content:
os.remove(head_rev.path)
command.stamp(alembic_cfg, "head")
logging.info("No changes DB detected")
else:
command.upgrade(alembic_cfg, "head")
logging.info("New DB changes, upgrade table")
auto_lookup()