Bases: ConfigurableResource
Resource class for managing Snowpark sessions
Source code in data_platform\defs\snowpark\resources.py
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54 | class SnowparkResource(dg.ConfigurableResource):
"""Resource class for managing Snowpark sessions"""
def __init__(self, **kwargs) -> None:
super().__init__(**kwargs)
self._session = None
def get_session(self, database="analytics",
schema: str | None = None,
warehouse: str|None =None) -> Session:
if sys.platform == "win32":
import pathlib
pathlib.PosixPath = pathlib.PurePosixPath
if schema:
schema = get_schema_name(schema)
else:
schema = os.getenv("DESTINATION__USER", "")
if not warehouse:
warehouse = os.getenv("DESTINATION__WAREHOUSE", "")
"""Get or create a Snowpark session"""
self._session = (
Session.builder.configs({
"database": get_database_name(database),
"account": os.getenv("DESTINATION__HOST", ""),
"user": os.getenv("DESTINATION__USER", ""),
"password": os.getenv("DESTINATION__PASSWORD", ""),
"role": os.getenv("DESTINATION__ROLE", ""),
"warehouse": os.getenv("DESTINATION__WAREHOUSE", ""),
})
.create()
)
try:
self._session.use_schema(schema)
except Exception:
self._session.sql(f"create schema if not exists {schema}")
self._session.use_schema(schema)
return self._session
|