def ft_db_init_conn(path=None):
"""Meta function to init database connection.
"""
ret_value = None
if ft_config_get('FT_DB') == 'SQLITE':
ret_value = ft_db_init_conn_sqlite(path=path)
else: # Unsupported Database Type
raise Exception('ERR_DB_NOT_IMPLEMENTED')
return ret_value
def ft_db_init_conn_sqlite(path=None):
"""Connect to sqlite database.
return a sqlite3.conn object.
"""
if path is not None:
db_file = path
else:
db_file = ft_config_get('FT_DB_FILE')
assert db_file is not None and db_file != ''
conn = sqlite3.connect(db_file)
assert conn is not None
return conn
