altastata 0.1.45

A Python package for Altastata data processing and machine learning integration

Altastata Python Package

Secure, encrypted cloud storage for Python — with fsspec, PyTorch/TensorFlow, LangChain, Databricks, Snowflake, boto3/S3, gRPC, and a bundled Web UI (AltaStata Console).

pip install altastata

What you get

Capability	How
Encrypted files in S3, Azure, IBM COS, etc.	AltaStataFunctions
Standard Python file APIs	fsspec (create_filesystem)
ML datasets	AltaStataPyTorchDataset, AltaStataTensorFlowDataset
LangChain / RAG document loading	fsspec + DirectoryLoader / TextLoader
Databricks / Apache Spark	AltaStata Hadoop FS (altastata-hadoop JAR)
Snowflake external stages	S3 Gateway (port 9876) or Snowpark Python + fsspec
S3 tools (boto3, aws CLI, s3fs)	S3-compatible API on port 9876
gRPC API (Python transport="grpc", JS clients)	altastata-services JVM on port 9877
Real-time share/delete events	gRPC EventsService, Py4J callback, or Web UI
Web UI — Finder-style file manager in the browser	http://127.0.0.1:9877 (same JVM as gRPC)

---

Configure your account

Two equivalent ways to connect from Python:

1. Account folder on disk (typical)

Each user keeps a directory under ~/.altastata/accounts/<display-name>/:

amazon.rsa.bob123/
  altastata-myorg-bob123.user.properties   # from your admin
  private.key                              # RSA (password-encrypted PEM)
  public.key

Account type	Key files	Password
RSA	private.key, public.key	Yes
PQC	kyber_private.key, dilithium_private.key, …	Yes
HPCS	hpcs-privkey.blob, public.key, hpcs.marker	No
HSM	*user.properties only	No

from altastata import AltaStataFunctions

f = AltaStataFunctions.from_account_dir(
    "/path/to/.altastata/accounts/amazon.rsa.bob123",
    transport="grpc",
    password="your_password",
)

2. Inline credentials (user_properties + private_key)

Pass the same text you would have in files — useful for notebooks, secrets managers, or CI:

from altastata import AltaStataFunctions

user_properties = """#My Properties
#Sun Jan 05 12:10:23 EST 2025
AWSSecretKey=*****
AWSAccessKeyId=*****
myuser=bob123
accounttype=amazon-s3-secure
acccontainer-prefix=altastata-myorg-
region=us-east-1
metadata-encryption=RSA"""

private_key = """-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: DES-EDE3,F26EBECE6DDAEC52

... encrypted PEM body ...
-----END RSA PRIVATE KEY-----"""

altastata_functions = AltaStataFunctions.from_credentials(user_properties, private_key)
altastata_functions.set_password("my_password")

# Or with gRPC transport:
altastata_functions = AltaStataFunctions.from_credentials(
    user_properties,
    private_key,
    transport="grpc",
    password="my_password",
)

Your org admin creates *user.properties after you send them public.key (RSA/PQC/HPCS).

---

Quick start (gRPC — recommended)

transport="grpc" auto-starts the bundled Java gateway (Web UI + gRPC + S3).

from altastata import AltaStataFunctions

# RSA / PQC
f = AltaStataFunctions.from_account_dir(
    "/path/to/.altastata/accounts/amazon.rsa.bob123",
    transport="grpc",
    password="your_password",
)

# HPCS / HSM — empty password
f = AltaStataFunctions.from_account_dir(
    "/path/to/.altastata/accounts/amazon.rsa.hpcs.myuser",
    transport="grpc",
    password="",
)

print(f.list_cloud_versions("Public/", True))

Ports

One bundled Java process (altastata-grpc-server / altastata-services) listens on:

Port	Service
9877	gRPC (file ops, auth, events) + Web UI static files
9876	S3-compatible REST API
25333	Py4J (legacy in-process bridge to Python)

HPCS in Docker / Jupyter

Mount a populated grep11client.yaml (e.g. /etc/ep11client/grep11client.yaml) and hpcs-privkey.blob. See containers/jupyter/README-Docker.md.

---

Legacy Py4J transport (default)

from altastata import AltaStataFunctions

f = AltaStataFunctions.from_account_dir("/path/to/account")
f.set_password("your_password")

---

fsspec

from altastata import AltaStataFunctions
from altastata.fsspec import create_filesystem

f = AltaStataFunctions.from_account_dir("/path/to/account", transport="grpc", password="secret")
fs = create_filesystem(f, "my_account")

with fs.open("Public/readme.txt", "r") as fh:
    print(fh.read())

Works with pandas, dask, and other fsspec consumers.

---

LangChain, Databricks, Snowflake

LangChain / RAG

Load encrypted documents without copying them to local disk:

from altastata import AltaStataFunctions
from altastata.fsspec import create_filesystem
from langchain_core.documents import Document

f = AltaStataFunctions.from_account_dir("/path/to/account", transport="grpc", password="secret")
fs = create_filesystem(f, "my_account")

with fs.open("Public/docs/policy.txt", "r") as fh:
    docs = [Document(page_content=fh.read(), metadata={"source": "Public/docs/policy.txt"})]

TextLoader, DirectoryLoader, and other LangChain loaders work via the altastata:// fsspec protocol once the filesystem is registered — see examples/fsspec-example/ and full RAG pipelines in examples/rag-example/.

Databricks / Apache Spark

Use the AltaStata Hadoop filesystem implementation so Spark jobs read encrypted paths on cluster storage (altastata://… or configured Hadoop URI). Deploy the altastata-hadoop shadow JAR on Databricks / Spark clusters.

Snowflake

• External stage via S3: point Snowflake at the bundled S3 Gateway (http://host:9876) as an S3-compatible endpoint for encrypted objects in your backing bucket.
• Snowpark Python: use fsspec / create_filesystem in Snowpark notebooks to read AltaStata paths with the same account credentials.

---

S3-compatible API (boto3, aws CLI, s3fs)

f = AltaStataFunctions.from_account_dir("/path/to/account", transport="grpc", password="secret")

s3 = f.boto3_s3()   # pip install boto3
s3.put_object(Bucket="altastata-bucket", Key="hello.txt", Body=b"hi")

f.install_aws_env()   # AWS_* for !aws s3 ls in Jupyter

---

PyTorch & TensorFlow

from altastata import AltaStataFunctions, AltaStataPyTorchDataset
from altastata.altastata_pytorch_dataset import register_altastata_functions_for_pytorch

f = AltaStataFunctions.from_account_dir("/path/to/account", transport="grpc", password="secret")
register_altastata_functions_for_pytorch(f, "my_account")
dataset = AltaStataPyTorchDataset("my_account", root_dir="Public/", file_pattern="*.jpg")

See examples/pytorch-example/ and examples/tensorflow-example/.

---

Event notifications

def on_event(name, data):
    print(name, data)

f = AltaStataFunctions.from_account_dir("/path/to/account", enable_callback_server=True)
f.set_password("secret")
f.add_event_listener(on_event)

With gRPC / Web UI, SHARE and DELETE events also appear in the browser and via EventsService.Watch.

See examples/event-listener-example/.

---

Docker Jupyter (optional)

cd containers/jupyter
docker compose -f docker-compose.yml -f docker-compose-ghcr.yml up -d

• JupyterLab: http://127.0.0.1:8888
• Web UI / gRPC: http://127.0.0.1:9877

Images: ghcr.io/sergevil/altastata/jupyter-datascience-{arm64,amd64}:latest

---

Web UI (AltaStata Console)

The wheel ships a browser file manager. Start the gateway:

altastata-grpc-server
# same as: python -m altastata.grpc_server

Open http://127.0.0.1:9877 — Miller-column browser, upload/download, share, generate keys, and live refresh on SHARE/DELETE events.

Sign in: Settings → Choose account folder → Sign in

Account type	Password in Settings
RSA / PQC	Your account password
HPCS / HSM	Leave blank

Set ALTASTATA_WEB_UI_DIR= (empty) to disable the UI and run gRPC-only.

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More documentation

• Developers (build wheel, bundle JAR + Console SPA, PyPI): README-developer.md
• Examples: examples/

Questions?

Email [e-mail].

License

MIT License — see LICENSE.