Python

lager python [OPTIONS] [RUNNABLE] [ARGS]...

# Run a Python script on the box
lager python script.py --box my-lager-box

# Run with arguments
lager python test.py --box my-lager-box -- --verbose --target DUT1

# Run a directory as a module
lager python my_test_suite/ --box my-lager-box

# Set explicit environment variables
lager python test.py --box my-lager-box --env API_KEY=abc123 --env DEBUG=true

# Pass variables from your current shell
export SECRET_TOKEN=xyz
lager python test.py --box my-lager-box --passenv SECRET_TOKEN

import os
from lager import output_dir

with open(os.path.join(output_dir(), 'results.csv'), 'w') as f:
    f.write('step,voltage\n1,4.2027\n')

lager python test.py --box my-lager-box --download

3f6c2a9e-8d41-4b7a-9e2f-1c5d7b0a6e13/
├── results.csv
└── 3f6c2a9e-8d41-4b7a-9e2f-1c5d7b0a6e13.lager-run.json

# Start a long-running script in the background
lager python long_running.py --box my-lager-box --detach

lager python ./my_module --box my-lager-box --detach
# Process detached (Process ID: 7f3c...)

lager python --reattach 7f3c... --box my-lager-box
# ERROR: Could not find a version that satisfies the requirement ...
# Process exited with code 1

# Kill with default SIGTERM
lager python --kill <PROCESS_ID> --box my-lager-box
# Process <PROCESS_ID> killed

# Kill with specific signal
lager python --kill <PROCESS_ID> --signal SIGKILL --box my-lager-box

# Kill every running script
lager python --kill-all --box my-lager-box
# All processes killed

# Forward port 8080
lager python web_server.py --box my-lager-box -p 8080

# Forward with different local/remote ports
lager python server.py --box my-lager-box -p 8080:80

# Forward with protocol
lager python server.py --box my-lager-box -p 8080:80/tcp

# Kill after 5 minutes
lager python analysis.py --box my-lager-box --timeout 300

from lager.core import output, OutputEncoders

# Output a Python dict (default: pickle encoding)
output({'status': 'pass', 'measurement': 3.14})

# Output as JSON
output({'voltage': 3.3, 'current': 0.5}, encoder=OutputEncoders.JSON)

# Output as YAML
output({'device': 'PSU-1', 'readings': [1.0, 2.0]}, encoder=OutputEncoders.YAML)

# Output raw binary data
output(image_bytes, encoder=OutputEncoders.Raw)

{
  "includes": {
    "my_lib": "../my_lib",
    "fixtures": "/path/to/fixtures"
  }
}

# Script can import from included directories
lager python test.py --box my-lager-box

from my_lib import helpers
from fixtures import test_data

lager python flash_and_test.py --box my-lager-box --add-file firmware.hex --add-file config.json

lager python test.py --box my-lager-box --label execution=EX-20419

from lager import record_value

record_value('dut.firmware', '2.14.0')

# Basic script execution
lager python script.py --box my-lager-box

# Run with environment variables
lager python test.py --box my-lager-box --env API_KEY=abc123 --env DEBUG=true

# Run in detached mode
lager python long_running.py --box my-lager-box --detach

# Download files after completion
lager python data_processor.py --box my-lager-box --download

# Kill running script
lager python --kill <PROCESS_ID> --box my-lager-box

# Run with port forwarding
lager python web_server.py --box my-lager-box -p 8080

# Run with timeout
lager python analysis.py --box my-lager-box --timeout 300

# Upload extra files with script
lager python flash_test.py --box my-lager-box --add-file firmware.hex

# Pass arguments to the script
lager python test.py --box my-lager-box -- --device DUT1 --verbose

# test_power.py - run with: lager python test_power.py --box my-lager-box
from lager import Net, NetType
from lager.core import output, OutputEncoders
import time

# Get the power supply net
psu = Net.get("PSU_CH1", type=NetType.PowerSupply)

# Set voltage and enable
psu.voltage(value=3.3, ovp=3.6)
psu.enable()
time.sleep(1)

# Read state
state = psu.get_full_state()
print(f"Voltage: {state['voltage']}V, Current: {state['current']}A")

# Send structured results
output({
    'test': 'power_on',
    'voltage': state['voltage'],
    'current': state['current'],
    'status': 'pass' if state['voltage'] > 3.0 else 'fail'
}, encoder=OutputEncoders.JSON)

# Cleanup
psu.disable()

# Add one or more packages
lager box-config pip add pandas requests --box my-box

# List configured packages
lager box-config pip list --box my-box

# Remove a package
lager box-config pip remove numpy --box my-box

# Apply the changes (rebuild the container)
lager box-config apply --box my-box