Module index¶

This index reflects the current package layout under python/src/yggdrasil.

Core data and schema¶

Module	Purpose	Page
`yggdrasil.data`	Cast registry, `CastOptions`, `DataType`, `Field`/`Schema`, `DataTable`, normalized enums	types
`yggdrasil.data.cast`	Converter registry, dispatch, options	types
`yggdrasil.arrow`	Arrow type inference and casting helpers	arrow
`yggdrasil.dataclasses`	Dataclass → Arrow field, waiting/expiring utilities	dataclasses

Module	Purpose	Page
`yggdrasil.polars`	Polars bridge: `cast.py`, `lib.py`, `tests.py`	engine cast helpers
`yggdrasil.pandas`	pandas bridge	engine cast helpers
`yggdrasil.spark`	Spark bridge	engine cast helpers

Engines register their converters on import — pull them in once at startup if you want a specific cast to fire.

Module	Purpose	Page
`yggdrasil.io`	`BytesIO`, `URL`, `SendConfig`/`SendManyConfig`, codecs, media types	io
`yggdrasil.io.http_`	`HTTPSession` (preferred client)	http_
`yggdrasil.requests`	Legacy `YGGSession` and MSAL variant	requests

Module	Purpose	Page
`yggdrasil.databricks`	`DatabricksClient` entry point	databricks
`yggdrasil.databricks.sql`	SQL execution + Unity Catalog	databricks/sql
`yggdrasil.databricks.compute`	Cluster lifecycle + remote execution	databricks/compute, remote
`yggdrasil.databricks.workspaces`	Workspace + path helpers	databricks/workspaces
`yggdrasil.databricks.fs`	DBFS / Volume / Workspace files	databricks/fs
`yggdrasil.databricks.secrets`	Scope/secret helpers	databricks/secrets
`yggdrasil.databricks.iam`	Users + groups (workspace/account)	databricks/iam
`yggdrasil.databricks.jobs`	Typed `NotebookConfig` widgets	databricks/jobs
`yggdrasil.databricks.account`	Account-level service	databricks/account
`yggdrasil.databricks.ai.genie`	Conversational analytics	databricks/ai/genie

Module	Purpose	Page
`yggdrasil.pyutils`	`retry`, `parallelize`	pyutils
`yggdrasil.concurrent`	`Job`, `JobPoolExecutor`	concurrent
`yggdrasil.environ`	Runtime import / install logic	optional libs
`yggdrasil.fastapi`	FastAPI service powering the Power Query connector	API Reference
`yggdrasil.pickle`	Custom serialization (cloudpickle/dill/zstandard)	—
`yggdrasil.blake3` / `yggdrasil.xxhash`	Optional hashing	—
`yggdrasil.mongo` / `yggdrasil.mongoengine`	Mongo helpers	—
`yggdrasil.fxrates`	FX-rate helpers	—
`yggdrasil.rs`	Bridge to native `yggrs` kernels (Python fallback)	—