def __init__(self, logger=None):
super().__init__()
self.settings = get_project_settings()
self.engine = create_engine(mysql_connection_string())
self.session = Session(self.engine)
self.logger = logger or logging.getLogger(name=__name__)
def _init(self):
self.settings = get_project_settings()
self.engine = create_engine(mysql_connection_string())
self.session = Session(self.engine)
if not getattr(self, "logger", None):
self.logger = logging.getLogger(name=self.__class__.__name__)
install_shutdown_handlers(self.signal_shutdown_handler, True)
def __init__(self):
self.engine = create_engine(mysql_connection_string())
self.session = None
# Interpret the config file for Python logging.
# This line sets up loggers basically.
fileConfig(config.config_file_name)
# add your model's MetaData object here
# for 'autogenerate' support
# from myapp import mymodel
# target_metadata = mymodel.Base.metadata
target_metadata = None
# other values from the config, defined by the needs of env.py,
# can be acquired:
# my_important_option = config.get_main_option("my_important_option")
# ... etc.
config.set_main_option("sqlalchemy.url", mysql_connection_string())
def run_migrations_offline():
"""Run migrations in 'offline' mode.
This configures the context with just a URL
and not an Engine, though an Engine is acceptable
here as well. By skipping the Engine creation
we don't even need a DBAPI to be available.
Calls to context.execute() here emit the given string to the
script output.
"""
url = config.get_main_option("sqlalchemy.url")