DPEA_DPi

Python drivers for the DPEA Pi family of circuit boards developed by Stan Reifel.

Installation

Add the package to an exhibit project:

uv add dpeaDPi

On the DPEA Raspberry Pi image, this also installs rpi-lgpio, which provides the RPi.GPIO module used by DPiComputer. The image includes the native build dependencies required by lgpio on Python 3.13.

RS485 drivers do not open /dev/serial0 when they are imported or constructed. The default shared network opens it when the first command is sent. Tests and applications can pass a configured DPiNetwork or another compatible network object into a board constructor. The package does not automatically select a simulated hardware backend.

DPiComputer also initializes GPIO and I2C on first use. Its constructor accepts compatible gpio and i2cBus objects for integration tests.

Development

Install the locked project and development dependencies:

uv sync --locked --all-groups

Run the tests and build both package distributions:

uv run --locked pytest
uv build --no-sources

Project metadata, runtime dependencies, and the next release version live in pyproject.toml. uv.lock is committed for reproducible development and CI.

Releases

Merging a new package version into main runs the full test and package checks. CI creates a tag such as v1.0.0 from the version in pyproject.toml, then publishes the exact artifacts to PyPI with Trusted Publishing. No manual tag or PyPI upload is required.

Configure the PyPI trusted publisher once with these values:

Owner: dpengineering
Repository: DPEA_DPi
Workflow: publish.yml
Environment: pypi

No PyPI token is stored in GitHub.

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Source Distribution

dpeadpi-1.0.1.tar.gz (25.8 kB view details)

Uploaded Sep 3, 2026 Source

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Download URL: dpeadpi-1.0.1.tar.gz
Upload date: Sep 3, 2026
Size: 25.8 kB
Tags: Source
Uploaded using Trusted Publishing? Yes
Uploaded via: twine/7.0.0 CPython/3.13.14

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Provenance

The following attestation bundles were made for dpeadpi-1.0.1.tar.gz:

Publisher: publish.yml on dpengineering/DPEA_DPi

Attestations: Values shown here reflect the state when the release was signed and may no longer be current.

Statement:
- Statement type: https://in-toto.io/Statement/v1
- Predicate type: https://docs.pypi.org/attestations/publish/v1
- Subject name: dpeadpi-1.0.1.tar.gz
- Subject digest: 43588d72c517d8b8a3105d1568871c8b39d3538262ff7cdd07875441c639a931
- Sigstore transparency entry: 2692619220
- Sigstore integration time: Sep 3, 2026
Source repository:
- Permalink: dpengineering/DPEA_DPi@93c2fb54ddba81a233461c1e0dfb6bc786b9e9e9
- Branch / Tag: refs/tags/v1.0.1
- Owner: https://github.com/dpengineering
- Access: private
Publication detail:
- Token Issuer: https://token.actions.githubusercontent.com
- Runner Environment: github-hosted
- Publication workflow: publish.yml@93c2fb54ddba81a233461c1e0dfb6bc786b9e9e9
- Trigger Event: workflow_dispatch