def admin_db_connection(db_url):
url = copy_url(db_url)
dbtype = url.get_dialect().name
if dbtype == "postgresql":
url.database = ""
if not url.username:
url.username = getpass.getuser()
elif not dbtype == "sqlite":
url.database = None
if dbtype == "postgresql":
with C(url, poolclass=NullPool, isolation_level="AUTOCOMMIT") as c:
yield c
elif dbtype == "mysql":
with C(url, poolclass=NullPool) as c:
c.execute("""
SET sql_mode = 'ANSI';
""")
yield c
elif dbtype == "sqlite":
with C(url, poolclass=NullPool) as c:
yield c
def convert_url_to_connection_args(name_or_url, **kwargs):
url = sqlalchemy.engine.url.make_url(name_or_url)
dialect_cls = url.get_dialect()
# get the correct DBAPI base on connection url
dbapi_args = {}
dbapi = dialect_cls.dbapi(**dbapi_args)
# create the dialect
dialect_args = {'dbapi':dbapi}
dialect = dialect_cls(**dialect_args)
# assemble connection arguments
# for this dialect
(cargs, connection_params) = dialect.create_connect_args(url)
return dbapi, connection_params
def get_dialect_cls(url):
url.drivername = "sqlite"
return url.get_dialect()
def get_dialect_cls(url):
url = url.set(drivername="sqlite")
return url.get_dialect()
def get_dialect_cls(url):
url.drivername = "sqlite"
return url.get_dialect()