Nettacker/nettacker/database/mysql.py

43 lines
1.3 KiB
Python

from sqlalchemy import create_engine, text
from nettacker.config import Config
from nettacker.database.models import Base
def mysql_create_database():
"""
when using mysql database, this is the function that is used to create the
database for the first time when you run the nettacker module.
"""
engine = create_engine(
"mysql+pymysql://{username}:{password}@{host}:{port}".format(**Config.db.as_dict())
)
# Earlier we were quering using the engine itself, but we first need to create a connection
try:
with engine.connect() as conn:
existing_databases = conn.execute(text("SHOW DATABASES;"))
existing_databases = [d[0] for d in existing_databases]
if Config.db.name not in existing_databases:
conn.execute(text("CREATE DATABASE {0} ".format(Config.db.name)))
except Exception as e:
print(e)
def mysql_create_tables():
"""
when using mysql database, this is the function that is used to create the
tables in the database for the first time when you run the nettacker module.
Args:
None
Returns:
True if success otherwise False
"""
db_engine = create_engine(
"mysql+pymysql://{username}:{password}@{host}:{port}/{name}".format(**Config.db.as_dict())
)
Base.metadata.create_all(db_engine)