first run these export command with proper credentials

export EMAIL_SENDER="your-gmail@gmail.com" export EMAIL_PASSWORD="your-16-character-app-password" export EMAIL_RECIPIENT="recipient@email.com"

command to be execute :

python3 log_watcher.py training.log --custom-metrics custom_metrics.json

custom_metrics.json may look like below

{ "CustomLoss": "custom_loss[:\s]+([\d\.]+)", "CustomMetric": "metric[:\s]+([\d\.]+)" }

--custom-metrics custom_metrics.json this is optional and for more customization