oql

OQL — Command Line Interface for OqlOS

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OQL CLI (oqlctl) is the command-line interface for executing OQL (Operation Query Language) scenarios. It provides tools to run, validate, and interact with hardware testing scenarios defined in .oql files.

Installation

# Install from source
pip install -e .

# Install with development dependencies
pip install -e ".[dev]"

Requirements

Python 3.10+
oqlos runtime (automatically installed as dependency)
Click 8.0+, Rich 13.0+, HTTPX 0.27+

Commands

`run` — Execute a scenario

Run an OQL scenario file against hardware or in simulation mode.

# Execute mode (default - run on actual hardware)
oqlctl run scenario.oql

# Dry-run mode (validate and simulate without hardware)
oqlctl run scenario.oql --mode dry-run

# Step-by-step manual execution
oqlctl run scenario.oql --step

# Custom firmware server URL
oqlctl run scenario.oql --firmware-url http://localhost:8202

`validate` — Parse and validate

Check an OQL file for syntax errors without executing.

oqlctl validate scenario.oql

`hardware` — List peripherals

Query the OqlOS API for connected hardware devices.

# Default localhost
oqlctl hardware

# Custom OqlOS URL
oqlctl hardware --url http://localhost:8200

`scenarios` — List scenarios

List all available scenarios registered with the OqlOS API.

oqlctl scenarios
oqlctl scenarios --url http://localhost:8200

`shell` — Interactive REPL

Start an interactive OQL shell for testing commands line-by-line.

oqlctl shell

Shell commands:

Type OQL commands directly (e.g., → Valve.open NC, WAIT 1000)
help — Show available commands
exit or quit — Exit the shell

shell is the easiest place to prototype commands interactively. For a single command sent to real hardware, use cmd below.

`cmd` — Execute one command on hardware

Send a single OQL command to the firmware in execute mode.

# Simplest one-liner for hardware execution
oqlctl cmd "SET 'pompa 1' '0'"

# Dry-run / simulation only
oqlctl cmd "SET 'pompa 1' '0'" --mode dry-run

# Custom firmware server URL
oqlctl cmd "SET 'pompa 1' '0'" --firmware-url http://localhost:8202

Use run with a .oql file when you need multiple steps or more complex flow.

OQL Language Quick Reference

OQL is a declarative DSL for hardware testing scenarios:

SCENARIO: "Pressure Test"
DEVICE_TYPE: "BA"
DEVICE_MODEL: "PSS 7000"

GOAL: Check Pressure
  1. Open valve:
    → Valve.open NC
    WAIT 2000
    → Sensor.read AI01
    IF [AI01] [>=] [-15 mbar] ELSE ERROR "Pressure too low"

Key constructs:

SCENARIO: "name" — Scenario metadata
DEVICE_TYPE:, DEVICE_MODEL: — Device specification
GOAL: — Define test goals
→ Target.method — Execute hardware actions
WAIT ms — Pause execution
IF [sensor] [op] [value] ELSE ERROR "msg" — Conditional checks
SAVE: variable — Store measurement results

See OQL Specification for full language reference.

Project Structure

oql/
├── oql/
│   ├── cli.py           # Main CLI entry point
│   ├── adapters/
│   │   └── local.py     # Direct oqlos integration
│   ├── shell/           # Interactive shell implementation
│   │   ├── commands.py  # Shell command registry
│   │   ├── executor.py  # DSL execution engine
│   │   └── runner.py    # Shell/ script runner
│   └── core/            # Core utilities
├── tests/               # Test suite
└── pyproject.toml       # Package configuration

Development

# Run tests
pytest

# Run specific test
pytest tests/test_cli.py -v

License

Licensed under Apache-2.0.

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