Added the search function for the sg_device

[LoBur144]

No description provided.

[coderabbitai]

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: d7be7756-cb66-4d82-83bd-629d8e9e9136

📥 Commits

Reviewing files that changed from the base of the PR and between 947d4b9 and 1d074e0.

📒 Files selected for processing (6)

• python/packages/jumpstarter-driver-sdmux/README.md
• python/packages/jumpstarter-driver-sdmux/examples/exporter.yaml
• python/packages/jumpstarter-driver-sdmux/jumpstarter_driver_sdmux/__init__.py
• python/packages/jumpstarter-driver-sdmux/jumpstarter_driver_sdmux/driver.py
• python/packages/jumpstarter-driver-sdmux/jumpstarter_driver_sdmux/driver_test.py
• python/packages/jumpstarter-driver-sdmux/pyproject.toml

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📝 Walkthrough

Walkthrough

A new jumpstarter-driver-sdmux package is introduced to support SD card multiplexing hardware. It includes package metadata, a basic UsbSdMux helper class for device discovery, an example Kubernetes configuration manifest, and user-facing documentation with installation instructions.

Changes

SDmux Driver Package

Layer / File(s)	Summary
Package Setup pyproject.toml	Defines package metadata, Python ≥3.11 requirement, runtime dependencies (jumpstarter, jumpstarter-driver-opendal, pyusb, pyudev), and registers SDmux entry point for driver discovery.
Core Driver Implementation jumpstarter_driver_sdmux/driver.py	Introduces UsbSdMux helper class with sg_device class attribute and search_sg_device() static method that scans /dev for sg* device paths and returns the single match or None.
Example Configuration examples/exporter.yaml	Provides sample ExporterConfig manifest demonstrating how to deploy the SDmux driver with gRPC endpoint and serial device configuration.
Documentation README.md	Describes the SDmux driver's purpose (SD card multiplexing), installation via pip3, and placeholder sections for configuration and API reference.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Possibly related PRs

• jumpstarter-dev/jumpstarter#253: Updates exporter example YAMLs with matching ExporterConfig metadata structure.
• jumpstarter-dev/jumpstarter#259: Aligns documentation on underscore-style driver package naming conventions (e.g., jumpstarter_driver_*).

Suggested reviewers

• NickCao
• bennyz

Poem

🐰 One SD card, split in twain,
Through SDmux's clever domain,
The storage hops between the two,
A multiplexed leap, tried and true! 🔄

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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