26 lines
681 B
Python
26 lines
681 B
Python
from os import environ
|
|
|
|
from sqlalchemy import create_engine
|
|
|
|
|
|
def create_connection():
|
|
db_name = get_env_variable("DB_NAME")
|
|
db_user = get_env_variable("DB_USER")
|
|
db_password = get_env_variable("DB_PASSWORD")
|
|
db_url = get_env_variable("DB_URL")
|
|
db_connection_uri = "mysql+pymysql://{user}:{pw}@{url}/{db}".format(
|
|
user=db_user, pw=db_password, url=db_url, db=db_name
|
|
)
|
|
engine = create_engine(db_connection_uri, echo=True)
|
|
|
|
|
|
def create_tables():
|
|
|
|
|
|
def get_env_variable(name):
|
|
try:
|
|
return environ[name]
|
|
except KeyError:
|
|
message = "Expected environment variable '{}' not set.".format(name)
|
|
raise Exception(message)
|