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neeble/utils/database.py

59 lines
1.3 KiB
Python

"""
Database utils module.
"""
import logging
import MySQLdb
from settings.config import MYSQL_CONFIG
logger = logging.getLogger(__name__)
class Cursor:
"""
Context manage for database handler.
"""
def __init__(self, config: dict) -> None:
"""
Constructor.
"""
self.configuration = config
def __enter__(self) -> 'cursor':
"""
Context manager.
"""
self.conn = MySQLdb.connect(**self.configuration, charset='utf-8')
self.cursor = self.conn.cursor()
return self.cursor
def __exit__(self, exc_type, exc_value, exc_trace) -> None:
"""
Exit from context manager.
"""
self.conn.commit()
self.cursor.close()
self.conn.close()
class DataBase:
"""
Database handler.
"""
@staticmethod
def migrate() -> None:
"""
Create tables.
"""
_sql = '''
create if not exists neeble_quotes(
user varchar(200) not null,
quote varchar(1000) not null unique
);
'''
try:
with Cursor(MYSQL_CONFIG) as cursor:
cursor.execute(_sql)
except Exception as ex:
logger.error(ex.args[0])