energieleser.py

Async Python client for energieleser smart meter devices.

Talks to the device's local HTTP API and returns typed dataclasses for stromleser.one, gasleser, gasleser.pulse, wasserleser and wärmeleser. Powers the Home Assistant integration.

Installing / Getting started

pip install energieleser

import asyncio
from energieleser import EnergieleserClient

async def main() -> None:
    async with EnergieleserClient("192.168.1.100") as client:
        device = await client.get_device()
        print(device.device_id, device.device_type)

asyncio.run(main())

More examples in docs/usage.md.

Features

Async HTTP client built on aiohttp.
Typed, frozen, slotted dataclasses per device family.
Automatic device-type detection from device_id prefix.
Optional Measurement(value, unit) fields — missing readings stay None instead of raising.
Bring-your-own aiohttp.ClientSession, or let the client manage one.
Structured exception hierarchy for clean error handling.

Configuration

EnergieleserClient(host, port=80, *, session=None, request_timeout=10.0)

Argument	Type	Default	Description
`host`	`str`	—	Device IP address or hostname.
`port`	`int`	`80`	Device HTTP port.
`session`	`aiohttp.ClientSession\|None`	`None`	Reuse an existing session. If `None`, the client creates and owns its own.
`request_timeout`	`float`	`10.0`	Per-request timeout in seconds.

Documentation

Usage — examples, shared sessions
Supported devices — device families, fields
Exceptions — exception hierarchy
Development — local setup, lint, tests
Publishing — release workflow
Contributing — how to contribute

Licensing

The code in this project is licensed under the MIT license — see LICENSE.

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